id	sid	tid	token	lemma	pos
fcis-29986	1	1	frontiers	frontier	NOUN
fcis-29986	1	2	in	in	ADP
fcis-29986	1	3	computing	computing	NOUN
fcis-29986	1	4	and	and	CCONJ
fcis-29986	1	5	intelligent	intelligent	ADJ
fcis-29986	1	6	systems	system	NOUN
fcis-29986	1	7	issn	issn	VERB
fcis-29986	1	8	:	:	PUNCT
fcis-29986	1	9	2832	2832	NUM
fcis-29986	1	10	-	-	SYM
fcis-29986	1	11	6024	6024	NUM
fcis-29986	1	12	|	|	NOUN
fcis-29986	1	13	vol	vol	NOUN
fcis-29986	1	14	.	.	PROPN
fcis-29986	2	1	11	11	NUM
fcis-29986	2	2	,	,	PUNCT
fcis-29986	2	3	no	no	INTJ
fcis-29986	2	4	.	.	NOUN
fcis-29986	2	5	3	3	NUM
fcis-29986	2	6	,	,	PUNCT
fcis-29986	2	7	2025	2025	NUM
fcis-29986	2	8	25	25	NUM
fcis-29986	2	9	prediction	prediction	NOUN
fcis-29986	2	10	of	of	ADP
fcis-29986	2	11	the	the	DET
fcis-29986	2	12	remaining	remain	VERB
fcis-29986	2	13	life	life	NOUN
fcis-29986	2	14	of	of	ADP
fcis-29986	2	15	rolling	rolling	ADJ
fcis-29986	2	16	bearings	bearing	NOUN
fcis-29986	2	17	based	base	VERB
fcis-29986	2	18	on	on	ADP
fcis-29986	2	19	the	the	DET
fcis-29986	2	20	classification	classification	NOUN
fcis-29986	2	21	of	of	ADP
fcis-29986	2	22	degradation	degradation	NOUN
fcis-29986	2	23	states	state	VERB
fcis-29986	2	24	bingxu	bingxu	NOUN
fcis-29986	2	25	zhou	zhou	PROPN
fcis-29986	3	1	*	*	PROPN
fcis-29986	3	2	,	,	PUNCT
fcis-29986	3	3	yang	yang	PROPN
fcis-29986	3	4	yu	yu	PROPN
fcis-29986	3	5	school	school	PROPN
fcis-29986	3	6	of	of	ADP
fcis-29986	3	7	information	information	NOUN
fcis-29986	3	8	science	science	NOUN
fcis-29986	3	9	and	and	CCONJ
fcis-29986	3	10	engineering	engineering	PROPN
fcis-29986	3	11	,	,	PUNCT
fcis-29986	3	12	shenyang	shenyang	PROPN
fcis-29986	3	13	university	university	PROPN
fcis-29986	3	14	of	of	ADP
fcis-29986	3	15	technology	technology	PROPN
fcis-29986	3	16	,	,	PUNCT
fcis-29986	3	17	shenyang	shenyang	PROPN
fcis-29986	3	18	liaoning	liaoning	PROPN
fcis-29986	3	19	,	,	PUNCT
fcis-29986	3	20	110870	110870	NUM
fcis-29986	3	21	,	,	PUNCT
fcis-29986	3	22	china	china	PROPN
fcis-29986	3	23	*	*	PUNCT
fcis-29986	3	24	corresponding	correspond	VERB
fcis-29986	3	25	author	author	NOUN
fcis-29986	3	26	:	:	PUNCT
fcis-29986	3	27	bingxu	bingxu	PROPN
fcis-29986	3	28	zhou	zhou	PROPN
fcis-29986	3	29	(	(	PUNCT
fcis-29986	3	30	email	email	NOUN
fcis-29986	3	31	:	:	PUNCT
fcis-29986	3	32	1584723065@qq.com	1584723065@qq.com	NUM
fcis-29986	3	33	)	)	PUNCT
fcis-29986	3	34	abstract	abstract	NOUN
fcis-29986	3	35	:	:	PUNCT
fcis-29986	3	36	view	view	NOUN
fcis-29986	3	37	of	of	ADP
fcis-29986	3	38	the	the	DET
fcis-29986	3	39	fact	fact	NOUN
fcis-29986	3	40	that	that	SCONJ
fcis-29986	3	41	the	the	DET
fcis-29986	3	42	healthy	healthy	ADJ
fcis-29986	3	43	running	running	NOUN
fcis-29986	3	44	time	time	NOUN
fcis-29986	3	45	of	of	ADP
fcis-29986	3	46	rolling	rolling	ADJ
fcis-29986	3	47	bearings	bearing	NOUN
fcis-29986	3	48	in	in	ADP
fcis-29986	3	49	actual	actual	ADJ
fcis-29986	3	50	working	working	NOUN
fcis-29986	3	51	conditions	condition	NOUN
fcis-29986	3	52	lasts	last	VERB
fcis-29986	3	53	for	for	ADP
fcis-29986	3	54	a	a	DET
fcis-29986	3	55	long	long	ADJ
fcis-29986	3	56	time	time	NOUN
fcis-29986	3	57	,	,	PUNCT
fcis-29986	3	58	and	and	CCONJ
fcis-29986	3	59	the	the	DET
fcis-29986	3	60	vibration	vibration	NOUN
fcis-29986	3	61	signal	signal	NOUN
fcis-29986	3	62	fluctuation	fluctuation	NOUN
fcis-29986	3	63	in	in	ADP
fcis-29986	3	64	the	the	DET
fcis-29986	3	65	healthy	healthy	ADJ
fcis-29986	3	66	operation	operation	NOUN
fcis-29986	3	67	stage	stage	NOUN
fcis-29986	3	68	is	be	AUX
fcis-29986	3	69	relatively	relatively	ADV
fcis-29986	3	70	stable	stable	ADJ
fcis-29986	3	71	,	,	PUNCT
fcis-29986	3	72	and	and	CCONJ
fcis-29986	3	73	it	it	PRON
fcis-29986	3	74	is	be	AUX
fcis-29986	3	75	difficult	difficult	ADJ
fcis-29986	3	76	to	to	PART
fcis-29986	3	77	extract	extract	VERB
fcis-29986	3	78	useful	useful	ADJ
fcis-29986	3	79	degradation	degradation	NOUN
fcis-29986	3	80	information	information	NOUN
fcis-29986	3	81	from	from	ADP
fcis-29986	3	82	them	they	PRON
fcis-29986	3	83	,	,	PUNCT
fcis-29986	3	84	a	a	DET
fcis-29986	3	85	remaining	remain	VERB
fcis-29986	3	86	life	life	NOUN
fcis-29986	3	87	prediction	prediction	NOUN
fcis-29986	3	88	model	model	NOUN
fcis-29986	3	89	based	base	VERB
fcis-29986	3	90	on	on	ADP
fcis-29986	3	91	the	the	DET
fcis-29986	3	92	classification	classification	NOUN
fcis-29986	3	93	of	of	ADP
fcis-29986	3	94	degradation	degradation	NOUN
fcis-29986	3	95	states	state	NOUN
fcis-29986	3	96	based	base	VERB
fcis-29986	3	97	on	on	ADP
fcis-29986	3	98	the	the	DET
fcis-29986	3	99	hidden	hide	VERB
fcis-29986	3	100	markov	markov	NOUN
fcis-29986	3	101	model	model	NOUN
fcis-29986	3	102	is	be	AUX
fcis-29986	3	103	proposed	propose	VERB
fcis-29986	3	104	.	.	PUNCT
fcis-29986	4	1	firstly	firstly	ADV
fcis-29986	4	2	,	,	PUNCT
fcis-29986	4	3	the	the	DET
fcis-29986	4	4	characteristics	characteristic	NOUN
fcis-29986	4	5	of	of	ADP
fcis-29986	4	6	the	the	DET
fcis-29986	4	7	bearing	bearing	NOUN
fcis-29986	4	8	vibration	vibration	NOUN
fcis-29986	4	9	signal	signal	NOUN
fcis-29986	4	10	are	be	AUX
fcis-29986	4	11	extracted	extract	VERB
fcis-29986	4	12	and	and	CCONJ
fcis-29986	4	13	the	the	DET
fcis-29986	4	14	dimension	dimension	NOUN
fcis-29986	4	15	reduction	reduction	NOUN
fcis-29986	4	16	is	be	AUX
fcis-29986	4	17	carried	carry	VERB
fcis-29986	4	18	out	out	ADP
fcis-29986	4	19	,	,	PUNCT
fcis-29986	4	20	and	and	CCONJ
fcis-29986	4	21	then	then	ADV
fcis-29986	4	22	the	the	DET
fcis-29986	4	23	rms	rm	NOUN
fcis-29986	4	24	is	be	AUX
fcis-29986	4	25	used	use	VERB
fcis-29986	4	26	as	as	ADP
fcis-29986	4	27	the	the	DET
fcis-29986	4	28	observation	observation	NOUN
fcis-29986	4	29	sequence	sequence	NOUN
fcis-29986	4	30	to	to	PART
fcis-29986	4	31	divide	divide	VERB
fcis-29986	4	32	the	the	DET
fcis-29986	4	33	degradation	degradation	NOUN
fcis-29986	4	34	state	state	NOUN
fcis-29986	4	35	.	.	PUNCT
fcis-29986	5	1	finally	finally	ADV
fcis-29986	5	2	,	,	PUNCT
fcis-29986	5	3	the	the	DET
fcis-29986	5	4	lightgbm	lightgbm	NOUN
fcis-29986	5	5	optimized	optimize	VERB
fcis-29986	5	6	by	by	ADP
fcis-29986	5	7	the	the	DET
fcis-29986	5	8	whale	whale	NOUN
fcis-29986	5	9	algorithm	algorithm	NOUN
fcis-29986	5	10	is	be	AUX
fcis-29986	5	11	used	use	VERB
fcis-29986	5	12	to	to	PART
fcis-29986	5	13	predict	predict	VERB
fcis-29986	5	14	the	the	DET
fcis-29986	5	15	remaining	remain	VERB
fcis-29986	5	16	life	life	NOUN
fcis-29986	5	17	of	of	ADP
fcis-29986	5	18	the	the	DET
fcis-29986	5	19	degraded	degraded	ADJ
fcis-29986	5	20	stage	stage	NOUN
fcis-29986	5	21	after	after	ADP
fcis-29986	5	22	division	division	NOUN
fcis-29986	5	23	.	.	PUNCT
fcis-29986	6	1	the	the	DET
fcis-29986	6	2	experimental	experimental	ADJ
fcis-29986	6	3	data	datum	NOUN
fcis-29986	6	4	set	set	VERB
fcis-29986	6	5	of	of	ADP
fcis-29986	6	6	xjtu	xjtu	PROPN
fcis-29986	6	7	-	-	PUNCT
fcis-29986	6	8	xy	xy	PROPN
fcis-29986	6	9	bearing	bearing	NOUN
fcis-29986	6	10	is	be	AUX
fcis-29986	6	11	used	use	VERB
fcis-29986	6	12	for	for	ADP
fcis-29986	6	13	verification	verification	NOUN
fcis-29986	6	14	,	,	PUNCT
fcis-29986	6	15	and	and	CCONJ
fcis-29986	6	16	the	the	DET
fcis-29986	6	17	results	result	NOUN
fcis-29986	6	18	show	show	VERB
fcis-29986	6	19	that	that	SCONJ
fcis-29986	6	20	the	the	DET
fcis-29986	6	21	prediction	prediction	NOUN
fcis-29986	6	22	performance	performance	NOUN
fcis-29986	6	23	of	of	ADP
fcis-29986	6	24	lightgbm	lightgbm	ADJ
fcis-29986	6	25	after	after	ADP
fcis-29986	6	26	whale	whale	NOUN
fcis-29986	6	27	algorithm	algorithm	NOUN
fcis-29986	6	28	optimization	optimization	NOUN
fcis-29986	6	29	is	be	AUX
fcis-29986	6	30	significantly	significantly	ADV
fcis-29986	6	31	improved	improve	VERB
fcis-29986	6	32	.	.	PUNCT
fcis-29986	7	1	keywords	keyword	NOUN
fcis-29986	7	2	:	:	PUNCT
fcis-29986	7	3	degenerate	degenerate	ADJ
fcis-29986	7	4	state	state	NOUN
fcis-29986	7	5	classification	classification	NOUN
fcis-29986	7	6	;	;	PUNCT
fcis-29986	7	7	hidden	hidden	ADJ
fcis-29986	7	8	markov	markov	NOUN
fcis-29986	7	9	model	model	NOUN
fcis-29986	7	10	;	;	PUNCT
fcis-29986	7	11	whale	whale	NOUN
fcis-29986	7	12	optimization	optimization	NOUN
fcis-29986	7	13	algorithm	algorithm	NOUN
fcis-29986	7	14	;	;	PUNCT
fcis-29986	7	15	lightgbm	lightgbm	ADJ
fcis-29986	7	16	.	.	PUNCT
fcis-29986	8	1	1	1	X
fcis-29986	8	2	.	.	X
fcis-29986	8	3	introduction	introduction	NOUN
fcis-29986	8	4	the	the	DET
fcis-29986	8	5	entire	entire	ADJ
fcis-29986	8	6	cycle	cycle	NOUN
fcis-29986	8	7	of	of	ADP
fcis-29986	8	8	the	the	DET
fcis-29986	8	9	vibration	vibration	NOUN
fcis-29986	8	10	signal	signal	NOUN
fcis-29986	8	11	of	of	ADP
fcis-29986	8	12	a	a	DET
fcis-29986	8	13	rolling	rolling	ADJ
fcis-29986	8	14	bearing	bearing	NOUN
fcis-29986	8	15	consists	consist	VERB
fcis-29986	8	16	of	of	ADP
fcis-29986	8	17	both	both	CCONJ
fcis-29986	8	18	a	a	DET
fcis-29986	8	19	healthy	healthy	ADJ
fcis-29986	8	20	and	and	CCONJ
fcis-29986	8	21	a	a	DET
fcis-29986	8	22	degraded	degraded	ADJ
fcis-29986	8	23	phase	phase	NOUN
fcis-29986	8	24	[	[	X
fcis-29986	8	25	1	1	NUM
fcis-29986	8	26	]	]	PUNCT
fcis-29986	8	27	.	.	PUNCT
fcis-29986	9	1	in	in	ADP
fcis-29986	9	2	the	the	DET
fcis-29986	9	3	healthy	healthy	ADJ
fcis-29986	9	4	operation	operation	NOUN
fcis-29986	9	5	phase	phase	NOUN
fcis-29986	9	6	,	,	PUNCT
fcis-29986	9	7	the	the	DET
fcis-29986	9	8	characteristics	characteristic	NOUN
fcis-29986	9	9	of	of	ADP
fcis-29986	9	10	the	the	DET
fcis-29986	9	11	bearing	bearing	NOUN
fcis-29986	9	12	change	change	NOUN
fcis-29986	9	13	slowly	slowly	ADV
fcis-29986	9	14	,	,	PUNCT
fcis-29986	9	15	but	but	CCONJ
fcis-29986	9	16	in	in	ADP
fcis-29986	9	17	the	the	DET
fcis-29986	9	18	degradation	degradation	NOUN
fcis-29986	9	19	stage	stage	NOUN
fcis-29986	9	20	,	,	PUNCT
fcis-29986	9	21	the	the	DET
fcis-29986	9	22	characteristics	characteristic	NOUN
fcis-29986	9	23	change	change	VERB
fcis-29986	9	24	rapidly	rapidly	ADV
fcis-29986	9	25	and	and	CCONJ
fcis-29986	9	26	nonlinearly	nonlinearly	ADV
fcis-29986	9	27	.	.	PUNCT
fcis-29986	10	1	the	the	DET
fcis-29986	10	2	state	state	NOUN
fcis-29986	10	3	segmentation	segmentation	NOUN
fcis-29986	10	4	helps	help	VERB
fcis-29986	10	5	the	the	DET
fcis-29986	10	6	model	model	NOUN
fcis-29986	10	7	focus	focus	VERB
fcis-29986	10	8	on	on	ADP
fcis-29986	10	9	the	the	DET
fcis-29986	10	10	key	key	ADJ
fcis-29986	10	11	degradation	degradation	NOUN
fcis-29986	10	12	stages	stage	NOUN
fcis-29986	10	13	and	and	CCONJ
fcis-29986	10	14	optimize	optimize	VERB
fcis-29986	10	15	the	the	DET
fcis-29986	10	16	prediction	prediction	NOUN
fcis-29986	10	17	effect	effect	NOUN
fcis-29986	10	18	.	.	PUNCT
fcis-29986	11	1	it	it	PRON
fcis-29986	11	2	not	not	PART
fcis-29986	11	3	only	only	ADV
fcis-29986	11	4	improves	improve	VERB
fcis-29986	11	5	the	the	DET
fcis-29986	11	6	accuracy	accuracy	NOUN
fcis-29986	11	7	and	and	CCONJ
fcis-29986	11	8	robustness	robustness	NOUN
fcis-29986	11	9	of	of	ADP
fcis-29986	11	10	the	the	DET
fcis-29986	11	11	model	model	NOUN
fcis-29986	11	12	,	,	PUNCT
fcis-29986	11	13	but	but	CCONJ
fcis-29986	11	14	also	also	ADV
fcis-29986	11	15	provides	provide	VERB
fcis-29986	11	16	early	early	ADJ
fcis-29986	11	17	warning	warning	NOUN
fcis-29986	11	18	capabilities	capability	NOUN
fcis-29986	11	19	that	that	PRON
fcis-29986	11	20	can	can	AUX
fcis-29986	11	21	be	be	AUX
fcis-29986	11	22	better	well	ADV
fcis-29986	11	23	adapted	adapt	VERB
fcis-29986	11	24	to	to	ADP
fcis-29986	11	25	real	real	ADJ
fcis-29986	11	26	-	-	PUNCT
fcis-29986	11	27	world	world	NOUN
fcis-29986	11	28	industrial	industrial	ADJ
fcis-29986	11	29	application	application	NOUN
fcis-29986	11	30	scenarios	scenario	NOUN
fcis-29986	11	31	[	[	X
fcis-29986	11	32	2	2	NUM
fcis-29986	11	33	]	]	PUNCT
fcis-29986	11	34	.	.	PUNCT
fcis-29986	12	1	there	there	PRON
fcis-29986	12	2	are	be	VERB
fcis-29986	12	3	generally	generally	ADV
fcis-29986	12	4	two	two	NUM
fcis-29986	12	5	types	type	NOUN
fcis-29986	12	6	of	of	ADP
fcis-29986	12	7	health	health	NOUN
fcis-29986	12	8	status	status	NOUN
fcis-29986	12	9	classification	classification	NOUN
fcis-29986	12	10	methods	method	NOUN
fcis-29986	12	11	:	:	PUNCT
fcis-29986	12	12	quantitative	quantitative	ADJ
fcis-29986	12	13	and	and	CCONJ
fcis-29986	12	14	qualitative	qualitative	VERB
fcis-29986	12	15	[	[	X
fcis-29986	12	16	3	3	NUM
fcis-29986	12	17	]	]	PUNCT
fcis-29986	12	18	.	.	PUNCT
fcis-29986	13	1	in	in	ADP
fcis-29986	13	2	ref	ref	NOUN
fcis-29986	13	3	.	.	PUNCT
fcis-29986	14	1	[	[	X
fcis-29986	14	2	4	4	NUM
fcis-29986	14	3	]	]	PUNCT
fcis-29986	14	4	,	,	PUNCT
fcis-29986	14	5	an	an	DET
fcis-29986	14	6	adaptive	adaptive	ADJ
fcis-29986	14	7	state	state	NOUN
fcis-29986	14	8	division	division	NOUN
fcis-29986	14	9	method	method	NOUN
fcis-29986	14	10	is	be	AUX
fcis-29986	14	11	adopted	adopt	VERB
fcis-29986	14	12	,	,	PUNCT
fcis-29986	14	13	the	the	DET
fcis-29986	14	14	sliding	slide	VERB
fcis-29986	14	15	window	window	NOUN
fcis-29986	14	16	is	be	AUX
fcis-29986	14	17	used	use	VERB
fcis-29986	14	18	to	to	PART
fcis-29986	14	19	continuously	continuously	ADV
fcis-29986	14	20	update	update	VERB
fcis-29986	14	21	the	the	DET
fcis-29986	14	22	early	early	ADJ
fcis-29986	14	23	warning	warning	NOUN
fcis-29986	14	24	range	range	NOUN
fcis-29986	14	25	of	of	ADP
fcis-29986	14	26	the	the	DET
fcis-29986	14	27	3σ	3σ	NUM
fcis-29986	14	28	criterion	criterion	NOUN
fcis-29986	14	29	,	,	PUNCT
fcis-29986	14	30	and	and	CCONJ
fcis-29986	14	31	the	the	DET
fcis-29986	14	32	continuous	continuous	ADJ
fcis-29986	14	33	trigger	trigger	NOUN
fcis-29986	14	34	mechanism	mechanism	NOUN
fcis-29986	14	35	is	be	AUX
fcis-29986	14	36	combined	combine	VERB
fcis-29986	14	37	to	to	PART
fcis-29986	14	38	adaptively	adaptively	ADV
fcis-29986	14	39	determine	determine	VERB
fcis-29986	14	40	the	the	DET
fcis-29986	14	41	degradation	degradation	NOUN
fcis-29986	14	42	start	start	VERB
fcis-29986	14	43	time	time	NOUN
fcis-29986	14	44	for	for	ADP
fcis-29986	14	45	state	state	NOUN
fcis-29986	14	46	division	division	NOUN
fcis-29986	14	47	.	.	PUNCT
fcis-29986	15	1	in	in	ADP
fcis-29986	15	2	ref	ref	NOUN
fcis-29986	15	3	.	.	PUNCT
fcis-29986	16	1	[	[	X
fcis-29986	16	2	5	5	NUM
fcis-29986	16	3	]	]	PUNCT
fcis-29986	16	4	,	,	PUNCT
fcis-29986	16	5	a	a	DET
fcis-29986	16	6	state	state	NOUN
fcis-29986	16	7	threshold	threshold	NOUN
fcis-29986	16	8	is	be	AUX
fcis-29986	16	9	set	set	VERB
fcis-29986	16	10	based	base	VERB
fcis-29986	16	11	on	on	ADP
fcis-29986	16	12	chebyshev	chebyshev	PROPN
fcis-29986	16	13	's	's	PART
fcis-29986	16	14	inequality	inequality	NOUN
fcis-29986	16	15	,	,	PUNCT
fcis-29986	16	16	which	which	PRON
fcis-29986	16	17	is	be	AUX
fcis-29986	16	18	used	use	VERB
fcis-29986	16	19	to	to	PART
fcis-29986	16	20	determine	determine	VERB
fcis-29986	16	21	when	when	SCONJ
fcis-29986	16	22	a	a	DET
fcis-29986	16	23	device	device	NOUN
fcis-29986	16	24	enters	enter	VERB
fcis-29986	16	25	a	a	DET
fcis-29986	16	26	degraded	degraded	ADJ
fcis-29986	16	27	state	state	NOUN
fcis-29986	16	28	.	.	PUNCT
fcis-29986	17	1	the	the	DET
fcis-29986	17	2	above	above	ADJ
fcis-29986	17	3	quantitative	quantitative	ADJ
fcis-29986	17	4	classification	classification	NOUN
fcis-29986	17	5	methods	method	NOUN
fcis-29986	17	6	are	be	AUX
fcis-29986	17	7	often	often	ADV
fcis-29986	17	8	too	too	ADV
fcis-29986	17	9	simplistic	simplistic	ADJ
fcis-29986	17	10	and	and	CCONJ
fcis-29986	17	11	not	not	PART
fcis-29986	17	12	suitable	suitable	ADJ
fcis-29986	17	13	for	for	ADP
fcis-29986	17	14	more	more	ADJ
fcis-29986	17	15	complex	complex	ADJ
fcis-29986	17	16	systems	system	NOUN
fcis-29986	17	17	.	.	PUNCT
fcis-29986	18	1	ref	ref	NOUN
fcis-29986	18	2	.	.	PUNCT
fcis-29986	19	1	[	[	X
fcis-29986	19	2	6	6	NUM
fcis-29986	19	3	]	]	PUNCT
fcis-29986	19	4	uses	use	VERB
fcis-29986	19	5	the	the	DET
fcis-29986	19	6	grey	grey	PROPN
fcis-29986	19	7	clustering	clustering	NOUN
fcis-29986	19	8	method	method	NOUN
fcis-29986	19	9	to	to	PART
fcis-29986	19	10	divide	divide	VERB
fcis-29986	19	11	the	the	DET
fcis-29986	19	12	health	health	NOUN
fcis-29986	19	13	status	status	NOUN
fcis-29986	19	14	of	of	ADP
fcis-29986	19	15	ships	ship	NOUN
fcis-29986	19	16	.	.	PUNCT
fcis-29986	20	1	this	this	DET
fcis-29986	20	2	qualitative	qualitative	ADJ
fcis-29986	20	3	method	method	NOUN
fcis-29986	20	4	of	of	ADP
fcis-29986	20	5	clustering	cluster	VERB
fcis-29986	20	6	-	-	PUNCT
fcis-29986	20	7	based	base	VERB
fcis-29986	20	8	state	state	NOUN
fcis-29986	20	9	segmentation	segmentation	NOUN
fcis-29986	20	10	can	can	AUX
fcis-29986	20	11	often	often	ADV
fcis-29986	20	12	only	only	ADV
fcis-29986	20	13	start	start	VERB
fcis-29986	20	14	from	from	ADP
fcis-29986	20	15	data	datum	NOUN
fcis-29986	20	16	points	point	NOUN
fcis-29986	20	17	,	,	PUNCT
fcis-29986	20	18	and	and	CCONJ
fcis-29986	20	19	the	the	DET
fcis-29986	20	20	result	result	NOUN
fcis-29986	20	21	is	be	AUX
fcis-29986	20	22	usually	usually	ADV
fcis-29986	20	23	only	only	ADV
fcis-29986	20	24	the	the	DET
fcis-29986	20	25	health	health	NOUN
fcis-29986	20	26	state	state	NOUN
fcis-29986	20	27	corresponding	correspond	VERB
fcis-29986	20	28	to	to	ADP
fcis-29986	20	29	each	each	DET
fcis-29986	20	30	data	datum	NOUN
fcis-29986	20	31	point	point	NOUN
fcis-29986	20	32	,	,	PUNCT
fcis-29986	20	33	without	without	ADP
fcis-29986	20	34	considering	consider	VERB
fcis-29986	20	35	the	the	DET
fcis-29986	20	36	impact	impact	NOUN
fcis-29986	20	37	on	on	ADP
fcis-29986	20	38	subsequent	subsequent	ADJ
fcis-29986	20	39	moments	moment	NOUN
fcis-29986	20	40	.	.	PUNCT
fcis-29986	21	1	in	in	ADP
fcis-29986	21	2	view	view	NOUN
fcis-29986	21	3	of	of	ADP
fcis-29986	21	4	the	the	DET
fcis-29986	21	5	shortcomings	shortcoming	NOUN
fcis-29986	21	6	and	and	CCONJ
fcis-29986	21	7	deficiencies	deficiency	NOUN
fcis-29986	21	8	of	of	ADP
fcis-29986	21	9	the	the	DET
fcis-29986	21	10	above	above	ADJ
fcis-29986	21	11	state	state	NOUN
fcis-29986	21	12	division	division	NOUN
fcis-29986	21	13	methods	method	NOUN
fcis-29986	21	14	,	,	PUNCT
fcis-29986	21	15	this	this	DET
fcis-29986	21	16	paper	paper	NOUN
fcis-29986	21	17	proposes	propose	VERB
fcis-29986	21	18	a	a	DET
fcis-29986	21	19	state	state	NOUN
fcis-29986	21	20	division	division	NOUN
fcis-29986	21	21	method	method	NOUN
fcis-29986	21	22	for	for	ADP
fcis-29986	21	23	rolling	roll	VERB
fcis-29986	21	24	bearings	bearing	NOUN
fcis-29986	21	25	based	base	VERB
fcis-29986	21	26	on	on	ADP
fcis-29986	21	27	the	the	DET
fcis-29986	21	28	hidden	hide	VERB
fcis-29986	21	29	markov	markov	NOUN
fcis-29986	21	30	model	model	NOUN
fcis-29986	21	31	,	,	PUNCT
fcis-29986	21	32	and	and	CCONJ
fcis-29986	21	33	combines	combine	VERB
fcis-29986	21	34	the	the	DET
fcis-29986	21	35	remaining	remain	VERB
fcis-29986	21	36	life	life	NOUN
fcis-29986	21	37	prediction	prediction	NOUN
fcis-29986	21	38	with	with	ADP
fcis-29986	21	39	lightgbm	lightgbm	NOUN
fcis-29986	21	40	optimized	optimize	VERB
fcis-29986	21	41	by	by	ADP
fcis-29986	21	42	whale	whale	NOUN
fcis-29986	21	43	algorithm	algorithm	NOUN
fcis-29986	21	44	.	.	PUNCT
fcis-29986	22	1	because	because	SCONJ
fcis-29986	22	2	the	the	DET
fcis-29986	22	3	hidden	hide	VERB
fcis-29986	22	4	markov	markov	NOUN
fcis-29986	22	5	model	model	NOUN
fcis-29986	22	6	can	can	AUX
fcis-29986	22	7	effectively	effectively	ADV
fcis-29986	22	8	train	train	VERB
fcis-29986	22	9	and	and	CCONJ
fcis-29986	22	10	decode	decode	VERB
fcis-29986	22	11	the	the	DET
fcis-29986	22	12	time	time	NOUN
fcis-29986	22	13	series	series	PROPN
fcis-29986	22	14	data	data	PROPN
fcis-29986	22	15	,	,	PUNCT
fcis-29986	22	16	obtain	obtain	VERB
fcis-29986	22	17	the	the	DET
fcis-29986	22	18	hidden	hidden	ADJ
fcis-29986	22	19	state	state	NOUN
fcis-29986	22	20	sequence	sequence	NOUN
fcis-29986	22	21	corresponding	correspond	VERB
fcis-29986	22	22	to	to	ADP
fcis-29986	22	23	each	each	DET
fcis-29986	22	24	state	state	NOUN
fcis-29986	22	25	to	to	PART
fcis-29986	22	26	realize	realize	VERB
fcis-29986	22	27	the	the	DET
fcis-29986	22	28	state	state	NOUN
fcis-29986	22	29	division	division	NOUN
fcis-29986	22	30	,	,	PUNCT
fcis-29986	22	31	which	which	PRON
fcis-29986	22	32	provides	provide	VERB
fcis-29986	22	33	a	a	DET
fcis-29986	22	34	good	good	ADJ
fcis-29986	22	35	basis	basis	NOUN
fcis-29986	22	36	for	for	ADP
fcis-29986	22	37	the	the	DET
fcis-29986	22	38	prediction	prediction	NOUN
fcis-29986	22	39	of	of	ADP
fcis-29986	22	40	the	the	DET
fcis-29986	22	41	subsequent	subsequent	ADJ
fcis-29986	22	42	remaining	remain	VERB
fcis-29986	22	43	life	life	NOUN
fcis-29986	22	44	.	.	PUNCT
fcis-29986	23	1	2	2	X
fcis-29986	23	2	.	.	NUM
fcis-29986	23	3	rationale	rationale	NOUN
fcis-29986	23	4	2.1	2.1	NUM
fcis-29986	23	5	.	.	PUNCT
fcis-29986	24	1	hidden	hide	VERB
fcis-29986	24	2	markov	markov	NOUN
fcis-29986	24	3	model	model	NOUN
fcis-29986	24	4	the	the	DET
fcis-29986	24	5	hidden	hide	VERB
fcis-29986	24	6	markov	markov	NOUN
fcis-29986	24	7	model	model	NOUN
fcis-29986	24	8	is	be	AUX
fcis-29986	24	9	a	a	DET
fcis-29986	24	10	statistical	statistical	ADJ
fcis-29986	24	11	model	model	NOUN
fcis-29986	24	12	widely	widely	ADV
fcis-29986	24	13	used	use	VERB
fcis-29986	24	14	for	for	ADP
fcis-29986	24	15	time	time	NOUN
fcis-29986	24	16	series	series	PROPN
fcis-29986	24	17	analysis	analysis	NOUN
fcis-29986	24	18	,	,	PUNCT
fcis-29986	24	19	which	which	PRON
fcis-29986	24	20	is	be	AUX
fcis-29986	24	21	mainly	mainly	ADV
fcis-29986	24	22	composed	compose	VERB
fcis-29986	24	23	of	of	ADP
fcis-29986	24	24	observation	observation	NOUN
fcis-29986	24	25	sequences	sequence	NOUN
fcis-29986	24	26	,	,	PUNCT
fcis-29986	24	27	initial	initial	ADJ
fcis-29986	24	28	state	state	NOUN
fcis-29986	24	29	distributions	distribution	NOUN
fcis-29986	24	30	,	,	PUNCT
fcis-29986	24	31	state	state	NOUN
fcis-29986	24	32	transition	transition	NOUN
fcis-29986	24	33	probabilities	probability	NOUN
fcis-29986	24	34	and	and	CCONJ
fcis-29986	24	35	observed	observed	ADJ
fcis-29986	24	36	probabilities	probability	NOUN
fcis-29986	24	37	,	,	PUNCT
fcis-29986	24	38	which	which	PRON
fcis-29986	24	39	are	be	AUX
fcis-29986	24	40	used	use	VERB
fcis-29986	24	41	to	to	PART
fcis-29986	24	42	describe	describe	VERB
fcis-29986	24	43	the	the	DET
fcis-29986	24	44	sequences	sequence	NOUN
fcis-29986	24	45	generated	generate	VERB
fcis-29986	24	46	by	by	ADP
fcis-29986	24	47	the	the	DET
fcis-29986	24	48	implicit	implicit	ADJ
fcis-29986	24	49	markov	markov	NOUN
fcis-29986	24	50	process	process	NOUN
fcis-29986	24	51	.	.	PUNCT
fcis-29986	25	1	(	(	PUNCT
fcis-29986	25	2	1	1	X
fcis-29986	25	3	)	)	PUNCT
fcis-29986	25	4	observation	observation	NOUN
fcis-29986	25	5	sequence	sequence	NOUN
fcis-29986	25	6	contains	contain	VERB
fcis-29986	25	7	all	all	DET
fcis-29986	25	8	possible	possible	ADJ
fcis-29986	25	9	observations	observation	NOUN
fcis-29986	25	10	with	with	ADP
fcis-29986	25	11	the	the	DET
fcis-29986	25	12	expression	expression	NOUN
fcis-29986	25	13	,	,	PUNCT
fcis-29986	25	14	,	,	PUNCT
fcis-29986	25	15	…	…	PUNCT
fcis-29986	25	16	,	,	PUNCT
fcis-29986	25	17	1	1	NUM
fcis-29986	25	18	(	(	PUNCT
fcis-29986	25	19	2	2	NUM
fcis-29986	25	20	)	)	PUNCT
fcis-29986	25	21	initial	initial	ADJ
fcis-29986	25	22	state	state	NOUN
fcis-29986	25	23	probability	probability	NOUN
fcis-29986	25	24	distribution	distribution	NOUN
fcis-29986	25	25	indicates	indicate	VERB
fcis-29986	25	26	the	the	DET
fcis-29986	25	27	probability	probability	NOUN
fcis-29986	25	28	that	that	SCONJ
fcis-29986	25	29	the	the	DET
fcis-29986	25	30	system	system	NOUN
fcis-29986	25	31	belongs	belong	VERB
fcis-29986	25	32	to	to	ADP
fcis-29986	25	33	a	a	DET
fcis-29986	25	34	state	state	NOUN
fcis-29986	25	35	at	at	ADP
fcis-29986	25	36	the	the	DET
fcis-29986	25	37	initial	initial	ADJ
fcis-29986	25	38	moment	moment	NOUN
fcis-29986	25	39	:	:	PUNCT
fcis-29986	25	40	,	,	PUNCT
fcis-29986	25	41	1,2	1,2	NUM
fcis-29986	25	42	,	,	PUNCT
fcis-29986	25	43	…	…	PUNCT
fcis-29986	25	44	,	,	PUNCT
fcis-29986	25	45	2	2	NUM
fcis-29986	25	46	(	(	PUNCT
fcis-29986	25	47	3	3	NUM
fcis-29986	25	48	)	)	PUNCT
fcis-29986	25	49	state	state	NOUN
fcis-29986	25	50	transition	transition	NOUN
fcis-29986	25	51	probability	probability	NOUN
fcis-29986	25	52	matrix	matrix	NOUN
fcis-29986	25	53	a	a	PRON
fcis-29986	25	54	represents	represent	VERB
fcis-29986	25	55	the	the	DET
fcis-29986	25	56	probability	probability	NOUN
fcis-29986	25	57	that	that	SCONJ
fcis-29986	25	58	a	a	DET
fcis-29986	25	59	system	system	NOUN
fcis-29986	25	60	will	will	AUX
fcis-29986	25	61	move	move	VERB
fcis-29986	25	62	from	from	ADP
fcis-29986	25	63	one	one	NUM
fcis-29986	25	64	state	state	NOUN
fcis-29986	25	65	to	to	ADP
fcis-29986	25	66	another	another	PRON
fcis-29986	25	67	:	:	PUNCT
fcis-29986	25	68	a	a	X
fcis-29986	25	69	,	,	PUNCT
fcis-29986	25	70	|	|	ADV
fcis-29986	25	71	3	3	NUM
fcis-29986	25	72	satisfy	satisfy	NOUN
fcis-29986	25	73	:	:	PUNCT
fcis-29986	25	74	  	  	SPACE
fcis-29986	25	75	1	1	NUM
fcis-29986	25	76	,	,	PUNCT
fcis-29986	25	77	∀	∀	X
fcis-29986	25	78	4	4	NUM
fcis-29986	25	79	(	(	PUNCT
fcis-29986	25	80	4	4	NUM
fcis-29986	25	81	)	)	PUNCT
fcis-29986	25	82	observed	observe	VERB
fcis-29986	25	83	probability	probability	NOUN
fcis-29986	25	84	distribution	distribution	NOUN
fcis-29986	25	85	b	b	NOUN
fcis-29986	25	86	define	define	VERB
fcis-29986	25	87	the	the	DET
fcis-29986	25	88	probability	probability	NOUN
fcis-29986	25	89	of	of	ADP
fcis-29986	25	90	generating	generate	VERB
fcis-29986	25	91	an	an	DET
fcis-29986	25	92	observation	observation	NOUN
fcis-29986	25	93	in	in	ADP
fcis-29986	25	94	a	a	DET
fcis-29986	25	95	hidden	hidden	ADJ
fcis-29986	25	96	state	state	NOUN
fcis-29986	25	97	:	:	PUNCT
fcis-29986	25	98	b	b	X
fcis-29986	25	99	,	,	PUNCT
fcis-29986	25	100	5	5	NUM
fcis-29986	25	101	satisfy	satisfy	NOUN
fcis-29986	25	102	  	  	SPACE
fcis-29986	25	103	1	1	NUM
fcis-29986	25	104	,	,	PUNCT
fcis-29986	25	105	∀	∀	X
fcis-29986	25	106	6	6	NUM
fcis-29986	25	107	2.2	2.2	NUM
fcis-29986	25	108	.	.	PUNCT
fcis-29986	26	1	whale	whale	NOUN
fcis-29986	26	2	optimization	optimization	NOUN
fcis-29986	26	3	algorithms	algorithm	NOUN
fcis-29986	26	4	in	in	ADP
fcis-29986	26	5	2016	2016	NUM
fcis-29986	26	6	,	,	PUNCT
fcis-29986	26	7	seyedali	seyedali	PROPN
fcis-29986	26	8	mirjalili	mirjalili	NOUN
fcis-29986	26	9	first	first	ADV
fcis-29986	26	10	proposed	propose	VERB
fcis-29986	26	11	a	a	DET
fcis-29986	26	12	whale	whale	NOUN
fcis-29986	26	13	optimization	optimization	NOUN
fcis-29986	26	14	algorithm	algorithm	NOUN
fcis-29986	26	15	inspired	inspire	VERB
fcis-29986	26	16	by	by	ADP
fcis-29986	26	17	mimicking	mimic	VERB
fcis-29986	26	18	the	the	DET
fcis-29986	26	19	hunting	hunt	VERB
fcis-29986	26	20	behavior	behavior	NOUN
fcis-29986	26	21	of	of	ADP
fcis-29986	26	22	humpback	humpback	NOUN
fcis-29986	26	23	whales	whale	NOUN
fcis-29986	26	24	.	.	PUNCT
fcis-29986	27	1	there	there	PRON
fcis-29986	27	2	are	be	VERB
fcis-29986	27	3	two	two	NUM
fcis-29986	27	4	main	main	ADJ
fcis-29986	27	5	methods	method	NOUN
fcis-29986	27	6	used	use	VERB
fcis-29986	27	7	in	in	ADP
fcis-29986	27	8	the	the	DET
fcis-29986	27	9	humpback	humpback	NOUN
fcis-29986	27	10	whale	whale	NOUN
fcis-29986	27	11	hunt	hunt	NOUN
fcis-29986	27	12	:	:	PUNCT
fcis-29986	27	13	encirclement	encirclement	NOUN
fcis-29986	27	14	and	and	CCONJ
fcis-29986	27	15	bubble	bubble	NOUN
fcis-29986	27	16	net	net	NOUN
fcis-29986	27	17	.	.	PUNCT
fcis-29986	28	1	during	during	ADP
fcis-29986	28	2	the	the	DET
fcis-29986	28	3	hunt	hunt	NOUN
fcis-29986	28	4	,	,	PUNCT
fcis-29986	28	5	the	the	DET
fcis-29986	28	6	humpback	humpback	NOUN
fcis-29986	28	7	whale	whale	NOUN
fcis-29986	28	8	's	's	PART
fcis-29986	28	9	choice	choice	NOUN
fcis-29986	28	10	of	of	ADP
fcis-29986	28	11	these	these	DET
fcis-29986	28	12	26	26	NUM
fcis-29986	28	13	two	two	NUM
fcis-29986	28	14	methods	method	NOUN
fcis-29986	28	15	is	be	AUX
fcis-29986	28	16	random	random	ADJ
fcis-29986	28	17	.	.	PUNCT
fcis-29986	29	1	in	in	ADP
fcis-29986	29	2	addition	addition	NOUN
fcis-29986	29	3	,	,	PUNCT
fcis-29986	29	4	each	each	DET
fcis-29986	29	5	individual	individual	ADJ
fcis-29986	29	6	whale	whale	NOUN
fcis-29986	29	7	is	be	AUX
fcis-29986	29	8	faced	face	VERB
fcis-29986	29	9	with	with	ADP
fcis-29986	29	10	a	a	DET
fcis-29986	29	11	choice	choice	NOUN
fcis-29986	29	12	:	:	PUNCT
fcis-29986	29	13	whether	whether	SCONJ
fcis-29986	29	14	to	to	PART
fcis-29986	29	15	swim	swim	VERB
fcis-29986	29	16	to	to	ADP
fcis-29986	29	17	the	the	DET
fcis-29986	29	18	individual	individual	ADJ
fcis-29986	29	19	whale	whale	NOUN
fcis-29986	29	20	closest	close	ADJ
fcis-29986	29	21	to	to	ADP
fcis-29986	29	22	them	they	PRON
fcis-29986	29	23	or	or	CCONJ
fcis-29986	29	24	to	to	ADP
fcis-29986	29	25	the	the	DET
fcis-29986	29	26	individual	individual	ADJ
fcis-29986	29	27	whale	whale	NOUN
fcis-29986	29	28	in	in	ADP
fcis-29986	29	29	the	the	DET
fcis-29986	29	30	optimal	optimal	ADJ
fcis-29986	29	31	position	position	NOUN
fcis-29986	29	32	.	.	PUNCT
fcis-29986	30	1	the	the	DET
fcis-29986	30	2	whale	whale	NOUN
fcis-29986	30	3	algorithm	algorithm	NOUN
fcis-29986	30	4	is	be	AUX
fcis-29986	30	5	mainly	mainly	ADV
fcis-29986	30	6	divided	divide	VERB
fcis-29986	30	7	into	into	ADP
fcis-29986	30	8	the	the	DET
fcis-29986	30	9	following	follow	VERB
fcis-29986	30	10	steps	step	NOUN
fcis-29986	30	11	:	:	PUNCT
fcis-29986	30	12	first	first	ADV
fcis-29986	30	13	,	,	PUNCT
fcis-29986	30	14	the	the	DET
fcis-29986	30	15	position	position	NOUN
fcis-29986	30	16	of	of	ADP
fcis-29986	30	17	the	the	DET
fcis-29986	30	18	whale	whale	NOUN
fcis-29986	30	19	in	in	ADP
fcis-29986	30	20	the	the	DET
fcis-29986	30	21	woa	woa	NOUN
fcis-29986	30	22	search	search	NOUN
fcis-29986	30	23	space	space	NOUN
fcis-29986	30	24	is	be	AUX
fcis-29986	30	25	randomly	randomly	ADV
fcis-29986	30	26	generated	generate	VERB
fcis-29986	30	27	by	by	ADP
fcis-29986	30	28	some	some	DET
fcis-29986	30	29	search	search	NOUN
fcis-29986	30	30	particles	particle	NOUN
fcis-29986	30	31	,	,	PUNCT
fcis-29986	30	32	when	when	SCONJ
fcis-29986	30	33	|	|	ADV
fcis-29986	30	34	|	|	ADV
fcis-29986	30	35	1	1	NUM
fcis-29986	30	36	,	,	PUNCT
fcis-29986	30	37	woa	woa	INTJ
fcis-29986	30	38	enters	enter	VERB
fcis-29986	30	39	the	the	DET
fcis-29986	30	40	local	local	ADJ
fcis-29986	30	41	search	search	NOUN
fcis-29986	30	42	,	,	PUNCT
fcis-29986	30	43	and	and	CCONJ
fcis-29986	30	44	when|	when|	PROPN
fcis-29986	30	45	|	|	ADV
fcis-29986	30	46	1	1	NUM
fcis-29986	30	47	,	,	PUNCT
fcis-29986	30	48	woa	woa	INTJ
fcis-29986	30	49	enters	enter	VERB
fcis-29986	30	50	the	the	DET
fcis-29986	30	51	global	global	ADJ
fcis-29986	30	52	search	search	NOUN
fcis-29986	30	53	.	.	PUNCT
fcis-29986	31	1	2	2	NUM
fcis-29986	31	2	2	2	NUM
fcis-29986	31	3	7	7	NUM
fcis-29986	31	4	2	2	NUM
fcis-29986	31	5	8	8	NUM
fcis-29986	31	6	where	where	SCONJ
fcis-29986	31	7	is	be	AUX
fcis-29986	31	8	the	the	DET
fcis-29986	31	9	number	number	NOUN
fcis-29986	31	10	of	of	ADP
fcis-29986	31	11	times	time	NOUN
fcis-29986	31	12	it	it	PRON
fcis-29986	31	13	has	have	AUX
fcis-29986	31	14	been	be	AUX
fcis-29986	31	15	completed	complete	VERB
fcis-29986	31	16	,	,	PUNCT
fcis-29986	31	17	is	be	AUX
fcis-29986	31	18	the	the	DET
fcis-29986	31	19	upper	upper	ADJ
fcis-29986	31	20	line	line	NOUN
fcis-29986	31	21	of	of	ADP
fcis-29986	31	22	the	the	DET
fcis-29986	31	23	number	number	NOUN
fcis-29986	31	24	of	of	ADP
fcis-29986	31	25	iterations	iteration	NOUN
fcis-29986	31	26	,	,	PUNCT
fcis-29986	31	27	and	and	CCONJ
fcis-29986	31	28	∈	∈	NOUN
fcis-29986	31	29	0,1	0,1	NUM
fcis-29986	31	30	,	,	PUNCT
fcis-29986	31	31	∈	∈	PROPN
fcis-29986	31	32	,	,	PUNCT
fcis-29986	31	33	.	.	PUNCT
fcis-29986	32	1	(	(	PUNCT
fcis-29986	32	2	1	1	X
fcis-29986	32	3	)	)	PUNCT
fcis-29986	32	4	local	local	ADJ
fcis-29986	32	5	search	search	NOUN
fcis-29986	32	6	stage	stage	NOUN
fcis-29986	32	7	there	there	PRON
fcis-29986	32	8	are	be	VERB
fcis-29986	32	9	two	two	NUM
fcis-29986	32	10	main	main	ADJ
fcis-29986	32	11	ways	way	NOUN
fcis-29986	32	12	to	to	PART
fcis-29986	32	13	search	search	VERB
fcis-29986	32	14	in	in	ADP
fcis-29986	32	15	the	the	DET
fcis-29986	32	16	local	local	ADJ
fcis-29986	32	17	search	search	NOUN
fcis-29986	32	18	phase	phase	NOUN
fcis-29986	32	19	:	:	PUNCT
fcis-29986	32	20	shrink	shrink	VERB
fcis-29986	32	21	wrap	wrap	NOUN
fcis-29986	32	22	and	and	CCONJ
fcis-29986	32	23	spiral	spiral	ADJ
fcis-29986	32	24	update	update	NOUN
fcis-29986	32	25	.	.	PUNCT
fcis-29986	33	1	a	a	DET
fcis-29986	33	2	)	)	PUNCT
fcis-29986	33	3	shrinkage	shrinkage	NOUN
fcis-29986	33	4	enveloping	enveloping	NOUN
fcis-29986	33	5	phase	phase	NOUN
fcis-29986	33	6	at	at	ADP
fcis-29986	33	7	the	the	DET
fcis-29986	33	8	beginning	beginning	NOUN
fcis-29986	33	9	of	of	ADP
fcis-29986	33	10	the	the	DET
fcis-29986	33	11	contraction	contraction	NOUN
fcis-29986	33	12	envelope	envelope	NOUN
fcis-29986	33	13	,	,	PUNCT
fcis-29986	33	14	and	and	CCONJ
fcis-29986	33	15	are	be	AUX
fcis-29986	33	16	positively	positively	ADV
fcis-29986	33	17	correlated	correlate	VERB
fcis-29986	33	18	and	and	CCONJ
fcis-29986	33	19	gradually	gradually	ADV
fcis-29986	33	20	decrease	decrease	VERB
fcis-29986	33	21	.	.	PUNCT
fcis-29986	34	1	at	at	ADP
fcis-29986	34	2	the	the	DET
fcis-29986	34	3	same	same	ADJ
fcis-29986	34	4	time	time	NOUN
fcis-29986	34	5	,	,	PUNCT
fcis-29986	34	6	the	the	DET
fcis-29986	34	7	search	search	NOUN
fcis-29986	34	8	particles	particle	NOUN
fcis-29986	34	9	are	be	AUX
fcis-29986	34	10	constantly	constantly	ADV
fcis-29986	34	11	moving	move	VERB
fcis-29986	34	12	to	to	ADP
fcis-29986	34	13	random	random	ADJ
fcis-29986	34	14	locations	location	NOUN
fcis-29986	34	15	in	in	ADP
fcis-29986	34	16	the	the	DET
fcis-29986	34	17	global	global	ADJ
fcis-29986	34	18	range	range	NOUN
fcis-29986	34	19	,	,	PUNCT
fcis-29986	34	20	and	and	CCONJ
fcis-29986	34	21	in	in	ADP
fcis-29986	34	22	this	this	DET
fcis-29986	34	23	way	way	NOUN
fcis-29986	34	24	the	the	DET
fcis-29986	34	25	search	search	NOUN
fcis-29986	34	26	particles	particle	NOUN
fcis-29986	34	27	are	be	AUX
fcis-29986	34	28	constantly	constantly	ADV
fcis-29986	34	29	updated	update	VERB
fcis-29986	34	30	.	.	PUNCT
fcis-29986	35	1	its	its	PRON
fcis-29986	35	2	updated	update	VERB
fcis-29986	35	3	position	position	NOUN
fcis-29986	35	4	is	be	AUX
fcis-29986	35	5	shown	show	VERB
fcis-29986	35	6	in	in	ADP
fcis-29986	35	7	equation	equation	NOUN
fcis-29986	35	8	(	(	PUNCT
fcis-29986	35	9	9	9	NUM
fcis-29986	35	10	)	)	PUNCT
fcis-29986	35	11	.	.	PUNCT
fcis-29986	36	1	1	1	NUM
fcis-29986	36	2	∗	∗	NOUN
fcis-29986	36	3	⋅	⋅	X
fcis-29986	36	4	9	9	NUM
fcis-29986	36	5	⋅	⋅	PROPN
fcis-29986	36	6	∗	∗	NOUN
fcis-29986	36	7	10	10	NUM
fcis-29986	36	8	the	the	DET
fcis-29986	36	9	gap	gap	NOUN
fcis-29986	36	10	between	between	ADP
fcis-29986	36	11	the	the	DET
fcis-29986	36	12	search	search	NOUN
fcis-29986	36	13	particle	particle	NOUN
fcis-29986	36	14	and	and	CCONJ
fcis-29986	36	15	the	the	DET
fcis-29986	36	16	target	target	NOUN
fcis-29986	36	17	can	can	AUX
fcis-29986	36	18	be	be	AUX
fcis-29986	36	19	calculated	calculate	VERB
fcis-29986	36	20	by	by	ADP
fcis-29986	36	21	equation	equation	NOUN
fcis-29986	36	22	(	(	PUNCT
fcis-29986	36	23	10	10	NUM
fcis-29986	36	24	)	)	PUNCT
fcis-29986	36	25	and	and	CCONJ
fcis-29986	36	26	further	further	ADJ
fcis-29986	36	27	pursuit	pursuit	NOUN
fcis-29986	36	28	.	.	PUNCT
fcis-29986	37	1	b	b	X
fcis-29986	37	2	)	)	PUNCT
fcis-29986	37	3	spiral	spiral	ADJ
fcis-29986	37	4	update	update	NOUN
fcis-29986	37	5	phase	phase	NOUN
fcis-29986	37	6	after	after	SCONJ
fcis-29986	37	7	the	the	DET
fcis-29986	37	8	above	above	ADJ
fcis-29986	37	9	update	update	NOUN
fcis-29986	37	10	is	be	AUX
fcis-29986	37	11	completed	complete	VERB
fcis-29986	37	12	,	,	PUNCT
fcis-29986	37	13	the	the	DET
fcis-29986	37	14	corresponding	corresponding	ADJ
fcis-29986	37	15	new	new	ADJ
fcis-29986	37	16	positions	position	NOUN
fcis-29986	37	17	need	need	VERB
fcis-29986	37	18	to	to	PART
fcis-29986	37	19	be	be	AUX
fcis-29986	37	20	given	give	VERB
fcis-29986	37	21	by	by	ADP
fcis-29986	37	22	the	the	DET
fcis-29986	37	23	helical	helical	ADJ
fcis-29986	37	24	equation	equation	NOUN
fcis-29986	37	25	,	,	PUNCT
fcis-29986	37	26	as	as	SCONJ
fcis-29986	37	27	shown	show	VERB
fcis-29986	37	28	in	in	ADP
fcis-29986	37	29	equations	equation	NOUN
fcis-29986	37	30	(	(	PUNCT
fcis-29986	37	31	11	11	NUM
fcis-29986	37	32	)	)	PUNCT
fcis-29986	37	33	and	and	CCONJ
fcis-29986	37	34	(	(	PUNCT
fcis-29986	37	35	12	12	NUM
fcis-29986	37	36	)	)	PUNCT
fcis-29986	37	37	.	.	PUNCT
fcis-29986	38	1	1	1	NUM
fcis-29986	38	2	⋅	⋅	PROPN
fcis-29986	38	3	⋅	⋅	PROPN
fcis-29986	38	4	cos	cos	PROPN
fcis-29986	38	5	2	2	NUM
fcis-29986	38	6	∗	∗	NOUN
fcis-29986	38	7	11	11	NUM
fcis-29986	38	8	∗	∗	NOUN
fcis-29986	38	9	12	12	NUM
fcis-29986	38	10	where	where	SCONJ
fcis-29986	38	11	is	be	AUX
fcis-29986	38	12	the	the	DET
fcis-29986	38	13	difference	difference	NOUN
fcis-29986	38	14	between	between	ADP
fcis-29986	38	15	the	the	DET
fcis-29986	38	16	search	search	NOUN
fcis-29986	38	17	particle	particle	NOUN
fcis-29986	38	18	and	and	CCONJ
fcis-29986	38	19	the	the	DET
fcis-29986	38	20	optimal	optimal	ADJ
fcis-29986	38	21	solution	solution	NOUN
fcis-29986	38	22	,	,	PUNCT
fcis-29986	38	23	is	be	AUX
fcis-29986	38	24	the	the	DET
fcis-29986	38	25	constant	constant	ADJ
fcis-29986	38	26	coefficient	coefficient	NOUN
fcis-29986	38	27	,	,	PUNCT
fcis-29986	38	28	and	and	CCONJ
fcis-29986	38	29	is	be	AUX
fcis-29986	38	30	the	the	DET
fcis-29986	38	31	random	random	ADJ
fcis-29986	38	32	number	number	NOUN
fcis-29986	38	33	in	in	ADP
fcis-29986	38	34	the	the	DET
fcis-29986	38	35	range	range	NOUN
fcis-29986	38	36	[	[	X
fcis-29986	38	37	-1,1	-1,1	X
fcis-29986	38	38	]	]	X
fcis-29986	38	39	.	.	PUNCT
fcis-29986	39	1	the	the	DET
fcis-29986	39	2	random	random	ADJ
fcis-29986	39	3	predation	predation	NOUN
fcis-29986	39	4	mode	mode	NOUN
fcis-29986	39	5	of	of	ADP
fcis-29986	39	6	whales	whale	NOUN
fcis-29986	39	7	can	can	AUX
fcis-29986	39	8	be	be	AUX
fcis-29986	39	9	expressed	express	VERB
fcis-29986	39	10	by	by	ADP
fcis-29986	39	11	∈	∈	PROPN
fcis-29986	39	12	0,1	0,1	NUM
fcis-29986	39	13	,	,	PUNCT
fcis-29986	39	14	and	and	CCONJ
fcis-29986	39	15	the	the	DET
fcis-29986	39	16	relationship	relationship	NOUN
fcis-29986	39	17	between	between	ADP
fcis-29986	39	18	the	the	DET
fcis-29986	39	19	position	position	NOUN
fcis-29986	39	20	update	update	NOUN
fcis-29986	39	21	mode	mode	NOUN
fcis-29986	39	22	of	of	ADP
fcis-29986	39	23	whales	whale	NOUN
fcis-29986	39	24	and	and	CCONJ
fcis-29986	39	25	the	the	DET
fcis-29986	39	26	size	size	NOUN
fcis-29986	39	27	of	of	ADP
fcis-29986	39	28	p	p	NOUN
fcis-29986	39	29	-	-	PUNCT
fcis-29986	39	30	value	value	NOUN
fcis-29986	39	31	is	be	AUX
fcis-29986	39	32	shown	show	VERB
fcis-29986	39	33	in	in	ADP
fcis-29986	39	34	equation	equation	NOUN
fcis-29986	39	35	(	(	PUNCT
fcis-29986	39	36	13	13	NUM
fcis-29986	39	37	)	)	PUNCT
fcis-29986	39	38	,	,	PUNCT
fcis-29986	39	39	where	where	SCONJ
fcis-29986	39	40	when	when	SCONJ
fcis-29986	39	41	0.5	0.5	NUM
fcis-29986	39	42	,	,	PUNCT
fcis-29986	39	43	the	the	DET
fcis-29986	39	44	whale	whale	NOUN
fcis-29986	39	45	's	's	PART
fcis-29986	39	46	position	position	NOUN
fcis-29986	39	47	is	be	AUX
fcis-29986	39	48	updated	update	VERB
fcis-29986	39	49	by	by	ADP
fcis-29986	39	50	contraction	contraction	NOUN
fcis-29986	39	51	and	and	CCONJ
fcis-29986	39	52	encirclement	encirclement	NOUN
fcis-29986	39	53	;	;	PUNCT
fcis-29986	39	54	when	when	SCONJ
fcis-29986	39	55	0.5	0.5	NUM
fcis-29986	39	56	,	,	PUNCT
fcis-29986	39	57	the	the	DET
fcis-29986	39	58	whale	whale	NOUN
fcis-29986	39	59	's	's	PART
fcis-29986	39	60	position	position	NOUN
fcis-29986	39	61	is	be	AUX
fcis-29986	39	62	updated	update	VERB
fcis-29986	39	63	in	in	ADP
fcis-29986	39	64	a	a	DET
fcis-29986	39	65	spiral	spiral	ADJ
fcis-29986	39	66	update	update	NOUN
fcis-29986	39	67	.	.	PUNCT
fcis-29986	40	1	1	1	NUM
fcis-29986	40	2	∗	∗	NOUN
fcis-29986	40	3	⋅	⋅	PROPN
fcis-29986	40	4	,	,	PUNCT
fcis-29986	40	5	0.5	0.5	NUM
fcis-29986	40	6	⋅	⋅	PROPN
fcis-29986	40	7	⋅	⋅	PROPN
fcis-29986	40	8	cos	cos	PROPN
fcis-29986	40	9	2	2	NUM
fcis-29986	40	10	∗	∗	NOUN
fcis-29986	40	11	,	,	PUNCT
fcis-29986	40	12	0.5	0.5	NUM
fcis-29986	40	13	13	13	NUM
fcis-29986	40	14	(	(	PUNCT
fcis-29986	40	15	2	2	NUM
fcis-29986	40	16	)	)	PUNCT
fcis-29986	40	17	global	global	ADJ
fcis-29986	40	18	search	search	NOUN
fcis-29986	40	19	stage	stage	NOUN
fcis-29986	40	20	in	in	ADP
fcis-29986	40	21	the	the	DET
fcis-29986	40	22	global	global	ADJ
fcis-29986	40	23	search	search	NOUN
fcis-29986	40	24	phase	phase	NOUN
fcis-29986	40	25	,	,	PUNCT
fcis-29986	40	26	the	the	DET
fcis-29986	40	27	whale	whale	NOUN
fcis-29986	40	28	will	will	AUX
fcis-29986	40	29	use	use	VERB
fcis-29986	40	30	a	a	DET
fcis-29986	40	31	random	random	ADJ
fcis-29986	40	32	prey	prey	NOUN
fcis-29986	40	33	to	to	PART
fcis-29986	40	34	update	update	VERB
fcis-29986	40	35	its	its	PRON
fcis-29986	40	36	location	location	NOUN
fcis-29986	40	37	,	,	PUNCT
fcis-29986	40	38	while	while	SCONJ
fcis-29986	40	39	other	other	ADJ
fcis-29986	40	40	whales	whale	NOUN
fcis-29986	40	41	will	will	AUX
fcis-29986	40	42	conduct	conduct	VERB
fcis-29986	40	43	a	a	DET
fcis-29986	40	44	global	global	ADJ
fcis-29986	40	45	search	search	NOUN
fcis-29986	40	46	at	at	ADP
fcis-29986	40	47	a	a	DET
fcis-29986	40	48	certain	certain	ADJ
fcis-29986	40	49	distance	distance	NOUN
fcis-29986	40	50	from	from	ADP
fcis-29986	40	51	the	the	DET
fcis-29986	40	52	whale	whale	NOUN
fcis-29986	40	53	to	to	PART
fcis-29986	40	54	achieve	achieve	VERB
fcis-29986	40	55	a	a	DET
fcis-29986	40	56	comprehensive	comprehensive	ADJ
fcis-29986	40	57	capture	capture	NOUN
fcis-29986	40	58	of	of	ADP
fcis-29986	40	59	the	the	DET
fcis-29986	40	60	prey	prey	NOUN
fcis-29986	40	61	.	.	PUNCT
fcis-29986	41	1	the	the	DET
fcis-29986	41	2	formula	formula	NOUN
fcis-29986	41	3	is	be	AUX
fcis-29986	41	4	shown	show	VERB
fcis-29986	41	5	in	in	ADP
fcis-29986	41	6	(	(	PUNCT
fcis-29986	41	7	14	14	NUM
fcis-29986	41	8	)	)	PUNCT
fcis-29986	41	9	and	and	CCONJ
fcis-29986	41	10	(	(	PUNCT
fcis-29986	41	11	15	15	NUM
fcis-29986	41	12	)	)	PUNCT
fcis-29986	41	13	.	.	PUNCT
fcis-29986	42	1	1	1	NUM
fcis-29986	42	2	⋅	⋅	PROPN
fcis-29986	42	3	14	14	NUM
fcis-29986	42	4	⋅	⋅	NUM
fcis-29986	42	5	15	15	NUM
fcis-29986	42	6	where	where	SCONJ
fcis-29986	42	7	is	be	AUX
fcis-29986	42	8	a	a	DET
fcis-29986	42	9	randomly	randomly	ADV
fcis-29986	42	10	selected	select	VERB
fcis-29986	42	11	search	search	NOUN
fcis-29986	42	12	particle	particle	NOUN
fcis-29986	42	13	.	.	PUNCT
fcis-29986	43	1	∗	∗	NOUN
fcis-29986	43	2	is	be	AUX
fcis-29986	43	3	updated	update	VERB
fcis-29986	43	4	by	by	ADP
fcis-29986	43	5	comparing	compare	VERB
fcis-29986	43	6	it	it	PRON
fcis-29986	43	7	to	to	ADP
fcis-29986	43	8	the	the	DET
fcis-29986	43	9	optimal	optimal	ADJ
fcis-29986	43	10	particle	particle	NOUN
fcis-29986	43	11	,	,	PUNCT
fcis-29986	43	12	and	and	CCONJ
fcis-29986	43	13	the	the	DET
fcis-29986	43	14	optimal	optimal	ADJ
fcis-29986	43	15	value	value	NOUN
fcis-29986	43	16	is	be	AUX
fcis-29986	43	17	continuously	continuously	ADV
fcis-29986	43	18	approximated	approximate	VERB
fcis-29986	43	19	until	until	SCONJ
fcis-29986	43	20	the	the	DET
fcis-29986	43	21	optimal	optimal	ADJ
fcis-29986	43	22	value	value	NOUN
fcis-29986	43	23	is	be	AUX
fcis-29986	43	24	reached	reach	VERB
fcis-29986	43	25	.	.	PUNCT
fcis-29986	44	1	3	3	X
fcis-29986	44	2	.	.	X
fcis-29986	44	3	experimental	experimental	ADJ
fcis-29986	44	4	datasets	dataset	NOUN
fcis-29986	44	5	3.1	3.1	NUM
fcis-29986	44	6	.	.	PUNCT
fcis-29986	45	1	experimental	experimental	ADJ
fcis-29986	45	2	datasets	dataset	NOUN
fcis-29986	45	3	in	in	ADP
fcis-29986	45	4	this	this	DET
fcis-29986	45	5	study	study	NOUN
fcis-29986	45	6	,	,	PUNCT
fcis-29986	45	7	the	the	DET
fcis-29986	45	8	life	life	NOUN
fcis-29986	45	9	-	-	PUNCT
fcis-29986	45	10	cycle	cycle	NOUN
fcis-29986	45	11	vibration	vibration	NOUN
fcis-29986	45	12	signal	signal	NOUN
fcis-29986	45	13	data	datum	NOUN
fcis-29986	45	14	of	of	ADP
fcis-29986	45	15	rolling	rolling	ADJ
fcis-29986	45	16	bearings	bearing	NOUN
fcis-29986	45	17	(	(	PUNCT
fcis-29986	45	18	xjtu	xjtu	NOUN
fcis-29986	45	19	-	-	PUNCT
fcis-29986	45	20	sy	sy	NOUN
fcis-29986	45	21	)	)	PUNCT
fcis-29986	45	22	collected	collect	VERB
fcis-29986	45	23	by	by	ADP
fcis-29986	45	24	xi'an	xi'an	PROPN
fcis-29986	45	25	jiaotong	jiaotong	PROPN
fcis-29986	45	26	university	university	PROPN
fcis-29986	45	27	was	be	AUX
fcis-29986	45	28	used	use	VERB
fcis-29986	45	29	for	for	ADP
fcis-29986	45	30	experimental	experimental	ADJ
fcis-29986	45	31	verification	verification	NOUN
fcis-29986	45	32	.	.	PUNCT
fcis-29986	46	1	the	the	DET
fcis-29986	46	2	bearing	bearing	NOUN
fcis-29986	46	3	accelerated	accelerate	VERB
fcis-29986	46	4	life	life	NOUN
fcis-29986	46	5	test	test	NOUN
fcis-29986	46	6	bench	bench	NOUN
fcis-29986	46	7	and	and	CCONJ
fcis-29986	46	8	its	its	PRON
fcis-29986	46	9	structural	structural	ADJ
fcis-29986	46	10	composition	composition	NOUN
fcis-29986	46	11	of	of	ADP
fcis-29986	46	12	the	the	DET
fcis-29986	46	13	collected	collect	VERB
fcis-29986	46	14	data	datum	NOUN
fcis-29986	46	15	are	be	AUX
fcis-29986	46	16	shown	show	VERB
fcis-29986	46	17	in	in	ADP
fcis-29986	46	18	figure	figure	NOUN
fcis-29986	46	19	2	2	NUM
fcis-29986	46	20	,	,	PUNCT
fcis-29986	46	21	and	and	CCONJ
fcis-29986	46	22	the	the	DET
fcis-29986	46	23	test	test	NOUN
fcis-29986	46	24	collected	collect	VERB
fcis-29986	46	25	the	the	DET
fcis-29986	46	26	data	datum	NOUN
fcis-29986	46	27	set	set	VERB
fcis-29986	46	28	of	of	ADP
fcis-29986	46	29	five	five	NUM
fcis-29986	46	30	bearings	bearing	NOUN
fcis-29986	46	31	under	under	ADP
fcis-29986	46	32	three	three	NUM
fcis-29986	46	33	working	work	VERB
fcis-29986	46	34	conditions	condition	NOUN
fcis-29986	46	35	,	,	PUNCT
fcis-29986	46	36	with	with	SCONJ
fcis-29986	46	37	a	a	DET
fcis-29986	46	38	sampling	sample	VERB
fcis-29986	46	39	frequency	frequency	NOUN
fcis-29986	46	40	of	of	ADP
fcis-29986	46	41	25.6khz	25.6khz	PROPN
fcis-29986	46	42	and	and	CCONJ
fcis-29986	46	43	a	a	DET
fcis-29986	46	44	sampling	sample	VERB
fcis-29986	46	45	interval	interval	NOUN
fcis-29986	46	46	of	of	ADP
fcis-29986	46	47	1min	1min	NUM
fcis-29986	46	48	.	.	PUNCT
fcis-29986	46	49	two	two	NUM
fcis-29986	46	50	bearing	bear	VERB
fcis-29986	46	51	datasets	dataset	NOUN
fcis-29986	46	52	for	for	ADP
fcis-29986	46	53	two	two	NUM
fcis-29986	46	54	of	of	ADP
fcis-29986	46	55	these	these	DET
fcis-29986	46	56	working	work	VERB
fcis-29986	46	57	conditions	condition	NOUN
fcis-29986	46	58	were	be	AUX
fcis-29986	46	59	used	use	VERB
fcis-29986	46	60	for	for	ADP
fcis-29986	46	61	experiments	experiment	NOUN
fcis-29986	46	62	,	,	PUNCT
fcis-29986	46	63	and	and	CCONJ
fcis-29986	46	64	their	their	PRON
fcis-29986	46	65	dataset	dataset	ADJ
fcis-29986	46	66	information	information	NOUN
fcis-29986	46	67	is	be	AUX
fcis-29986	46	68	shown	show	VERB
fcis-29986	46	69	in	in	ADP
fcis-29986	46	70	table	table	NOUN
fcis-29986	46	71	1	1	NUM
fcis-29986	46	72	.	.	PUNCT
fcis-29986	46	73	fig	fig	NOUN
fcis-29986	46	74	1	1	NUM
fcis-29986	46	75	.	.	PUNCT
fcis-29986	46	76	bearing	bear	VERB
fcis-29986	46	77	testbed	testbe	VERB
fcis-29986	46	78	table	table	NOUN
fcis-29986	46	79	1	1	NUM
fcis-29986	46	80	.	.	PUNCT
fcis-29986	46	81	information	information	NOUN
fcis-29986	46	82	about	about	ADP
fcis-29986	46	83	some	some	DET
fcis-29986	46	84	xjtu	xjtu	NOUN
fcis-29986	46	85	-	-	PUNCT
fcis-29986	46	86	sy	sy	NOUN
fcis-29986	46	87	datasets	dataset	NOUN
fcis-29986	46	88	operating	operating	NOUN
fcis-29986	46	89	conditions	condition	NOUN
fcis-29986	46	90	data	datum	NOUN
fcis-29986	46	91	set	set	VERB
fcis-29986	46	92	number	number	NOUN
fcis-29986	46	93	of	of	ADP
fcis-29986	46	94	samples	sample	NOUN
fcis-29986	46	95	actual	actual	ADJ
fcis-29986	46	96	lifespan	lifespan	NOUN
fcis-29986	46	97	1	1	NUM
fcis-29986	46	98	bearing1_1	bearing1_1	DET
fcis-29986	46	99	123	123	NUM
fcis-29986	46	100	2h3min	2h3min	PROPN
fcis-29986	46	101	2	2	NUM
fcis-29986	46	102	bearing2_1	bearing2_1	NOUN
fcis-29986	46	103	491	491	NUM
fcis-29986	46	104	8h11min	8h11min	NUM
fcis-29986	46	105	3.2	3.2	NUM
fcis-29986	46	106	.	.	PUNCT
fcis-29986	47	1	feature	feature	NOUN
fcis-29986	47	2	extraction	extraction	NOUN
fcis-29986	47	3	and	and	CCONJ
fcis-29986	47	4	selection	selection	NOUN
fcis-29986	47	5	in	in	ADP
fcis-29986	47	6	order	order	NOUN
fcis-29986	47	7	to	to	PART
fcis-29986	47	8	more	more	ADV
fcis-29986	47	9	comprehensively	comprehensively	ADV
fcis-29986	47	10	characterize	characterize	VERB
fcis-29986	47	11	the	the	DET
fcis-29986	47	12	degradation	degradation	NOUN
fcis-29986	47	13	state	state	NOUN
fcis-29986	47	14	information	information	NOUN
fcis-29986	47	15	of	of	ADP
fcis-29986	47	16	rolling	rolling	ADJ
fcis-29986	47	17	bearings	bearing	NOUN
fcis-29986	47	18	,	,	PUNCT
fcis-29986	47	19	and	and	CCONJ
fcis-29986	47	20	the	the	DET
fcis-29986	47	21	vibration	vibration	NOUN
fcis-29986	47	22	signals	signal	NOUN
fcis-29986	47	23	will	will	AUX
fcis-29986	47	24	reflect	reflect	VERB
fcis-29986	47	25	different	different	ADJ
fcis-29986	47	26	degradation	degradation	NOUN
fcis-29986	47	27	characteristics	characteristic	NOUN
fcis-29986	47	28	in	in	ADP
fcis-29986	47	29	different	different	ADJ
fcis-29986	47	30	domains	domain	NOUN
fcis-29986	47	31	,	,	PUNCT
fcis-29986	47	32	the	the	DET
fcis-29986	47	33	original	original	ADJ
fcis-29986	47	34	vibration	vibration	NOUN
fcis-29986	47	35	signal	signal	NOUN
fcis-29986	47	36	data	datum	NOUN
fcis-29986	47	37	of	of	ADP
fcis-29986	47	38	bearing	bear	VERB
fcis-29986	47	39	1_1	1_1	NUM
fcis-29986	47	40	is	be	AUX
fcis-29986	47	41	divided	divide	VERB
fcis-29986	47	42	into	into	ADP
fcis-29986	47	43	3479	3479	NUM
fcis-29986	47	44	samples	sample	NOUN
fcis-29986	47	45	for	for	ADP
fcis-29986	47	46	feature	feature	NOUN
fcis-29986	47	47	extraction	extraction	NOUN
fcis-29986	47	48	in	in	ADP
fcis-29986	47	49	the	the	DET
fcis-29986	47	50	time	time	NOUN
fcis-29986	47	51	domain	domain	NOUN
fcis-29986	47	52	,	,	PUNCT
fcis-29986	47	53	frequency	frequency	NOUN
fcis-29986	47	54	domain	domain	NOUN
fcis-29986	47	55	and	and	CCONJ
fcis-29986	47	56	time	time	NOUN
fcis-29986	47	57	frequency	frequency	NOUN
fcis-29986	47	58	domain	domain	NOUN
fcis-29986	47	59	.	.	PUNCT
fcis-29986	48	1	table	table	NOUN
fcis-29986	48	2	2	2	NUM
fcis-29986	48	3	.	.	NOUN
fcis-29986	48	4	time	time	NOUN
fcis-29986	48	5	-	-	PUNCT
fcis-29986	48	6	domain	domain	NOUN
fcis-29986	48	7	characteristics	characteristic	NOUN
fcis-29986	48	8	number	number	NOUN
fcis-29986	48	9	characteristic	characteristic	ADJ
fcis-29986	48	10	number	number	NOUN
fcis-29986	48	11	characteristic	characteristic	ADJ
fcis-29986	48	12	1	1	NUM
fcis-29986	48	13	peak	peak	NOUN
fcis-29986	48	14	8	8	NUM
fcis-29986	48	15	skewness	skewness	NOUN
fcis-29986	48	16	2	2	NUM
fcis-29986	48	17	average	average	NOUN
fcis-29986	48	18	value	value	NOUN
fcis-29986	48	19	9	9	NUM
fcis-29986	48	20	kurtosis	kurtosis	NOUN
fcis-29986	48	21	3	3	NUM
fcis-29986	48	22	peak	peak	NOUN
fcis-29986	48	23	-	-	PUNCT
fcis-29986	48	24	to	to	ADP
fcis-29986	48	25	-	-	PUNCT
fcis-29986	48	26	peak	peak	NOUN
fcis-29986	48	27	10	10	NUM
fcis-29986	48	28	waveform	waveform	NOUN
fcis-29986	48	29	fact	fact	NOUN
fcis-29986	48	30	or	or	CCONJ
fcis-29986	48	31	4	4	NUM
fcis-29986	48	32	absolute	absolute	ADJ
fcis-29986	48	33	mean	mean	ADJ
fcis-29986	48	34	11	11	NUM
fcis-29986	48	35	crest	crest	NOUN
fcis-29986	48	36	factor	factor	NOUN
fcis-29986	48	37	5	5	NUM
fcis-29986	48	38	standard	standard	ADJ
fcis-29986	48	39	deviation	deviation	NOUN
fcis-29986	48	40	12	12	NUM
fcis-29986	48	41	pulse	pulse	NOUN
fcis-29986	48	42	factor	factor	NOUN
fcis-29986	48	43	6	6	NUM
fcis-29986	48	44	variance	variance	NOUN
fcis-29986	48	45	13	13	NUM
fcis-29986	48	46	margin	margin	NOUN
fcis-29986	48	47	factor	factor	NOUN
fcis-29986	48	48	7	7	NUM
fcis-29986	48	49	root	root	NOUN
fcis-29986	48	50	mean	mean	NOUN
fcis-29986	48	51	square	square	NOUN
fcis-29986	48	52	3.2.1	3.2.1	NUM
fcis-29986	48	53	.	.	PUNCT
fcis-29986	49	1	time	time	NOUN
fcis-29986	49	2	-	-	PUNCT
fcis-29986	49	3	domain	domain	NOUN
fcis-29986	49	4	feature	feature	NOUN
fcis-29986	49	5	extraction	extraction	NOUN
fcis-29986	49	6	the	the	DET
fcis-29986	49	7	time	time	NOUN
fcis-29986	49	8	-	-	PUNCT
fcis-29986	49	9	domain	domain	NOUN
fcis-29986	49	10	characteristics	characteristic	NOUN
fcis-29986	49	11	of	of	ADP
fcis-29986	49	12	the	the	DET
fcis-29986	49	13	vibration	vibration	NOUN
fcis-29986	49	14	signal	signal	NOUN
fcis-29986	49	15	are	be	AUX
fcis-29986	49	16	27	27	NUM
fcis-29986	49	17	often	often	ADV
fcis-29986	49	18	a	a	DET
fcis-29986	49	19	direct	direct	ADJ
fcis-29986	49	20	reflection	reflection	NOUN
fcis-29986	49	21	of	of	ADP
fcis-29986	49	22	the	the	DET
fcis-29986	49	23	operating	operate	VERB
fcis-29986	49	24	state	state	NOUN
fcis-29986	49	25	of	of	ADP
fcis-29986	49	26	the	the	DET
fcis-29986	49	27	equipment	equipment	NOUN
fcis-29986	49	28	.	.	PUNCT
fcis-29986	50	1	time	time	NOUN
fcis-29986	50	2	-	-	PUNCT
fcis-29986	50	3	domain	domain	NOUN
fcis-29986	50	4	analysis	analysis	NOUN
fcis-29986	50	5	can	can	AUX
fcis-29986	50	6	help	help	VERB
fcis-29986	50	7	to	to	PART
fcis-29986	50	8	determine	determine	VERB
fcis-29986	50	9	whether	whether	SCONJ
fcis-29986	50	10	the	the	DET
fcis-29986	50	11	equipment	equipment	NOUN
fcis-29986	50	12	is	be	AUX
fcis-29986	50	13	running	run	VERB
fcis-29986	50	14	smoothly	smoothly	ADV
fcis-29986	50	15	or	or	CCONJ
fcis-29986	50	16	has	have	VERB
fcis-29986	50	17	potential	potential	ADJ
fcis-29986	50	18	failures	failure	NOUN
fcis-29986	50	19	.	.	PUNCT
fcis-29986	51	1	table	table	NOUN
fcis-29986	51	2	2	2	NUM
fcis-29986	51	3	shows	show	VERB
fcis-29986	51	4	the	the	DET
fcis-29986	51	5	time	time	NOUN
fcis-29986	51	6	domain	domain	NOUN
fcis-29986	51	7	features	feature	NOUN
fcis-29986	51	8	extracted	extract	VERB
fcis-29986	51	9	in	in	ADP
fcis-29986	51	10	this	this	DET
fcis-29986	51	11	document	document	NOUN
fcis-29986	51	12	.	.	PUNCT
fcis-29986	52	1	table	table	NOUN
fcis-29986	52	2	3	3	NUM
fcis-29986	52	3	.	.	PUNCT
fcis-29986	52	4	frequency	frequency	NOUN
fcis-29986	52	5	domain	domain	NOUN
fcis-29986	52	6	characteristics	characteristic	NOUN
fcis-29986	52	7	number	number	NOUN
fcis-29986	52	8	characteristic	characteristic	ADJ
fcis-29986	52	9	number	number	NOUN
fcis-29986	52	10	characteristic	characteristic	NOUN
fcis-29986	52	11	1	1	NUM
fcis-29986	52	12	mean	mean	NOUN
fcis-29986	52	13	7	7	NUM
fcis-29986	52	14	maximum	maximum	ADJ
fcis-29986	52	15	amplitude	amplitude	NOUN
fcis-29986	52	16	2	2	NUM
fcis-29986	52	17	frequency	frequency	NOUN
fcis-29986	52	18	of	of	ADP
fcis-29986	52	19	the	the	DET
fcis-29986	52	20	center	center	NOUN
fcis-29986	52	21	of	of	ADP
fcis-29986	52	22	gravity	gravity	NOUN
fcis-29986	52	23	8	8	NUM
fcis-29986	52	24	root	root	NOUN
fcis-29986	52	25	variance	variance	NOUN
fcis-29986	52	26	amplitude	amplitude	NOUN
fcis-29986	52	27	3	3	NUM
fcis-29986	52	28	average	average	ADJ
fcis-29986	52	29	frequency	frequency	NOUN
fcis-29986	52	30	9	9	NUM
fcis-29986	52	31	average	average	ADJ
fcis-29986	52	32	phase	phase	NOUN
fcis-29986	52	33	angle	angle	NOUN
fcis-29986	52	34	4	4	NUM
fcis-29986	52	35	root	root	NOUN
fcis-29986	52	36	mean	mean	ADJ
fcis-29986	52	37	square	square	ADJ
fcis-29986	52	38	frequency	frequency	NOUN
fcis-29986	52	39	10	10	NUM
fcis-29986	52	40	maximum	maximum	ADJ
fcis-29986	52	41	phase	phase	NOUN
fcis-29986	52	42	angle	angle	NOUN
fcis-29986	52	43	5	5	NUM
fcis-29986	52	44	root	root	NOUN
fcis-29986	52	45	variance	variance	NOUN
fcis-29986	52	46	frequency	frequency	NOUN
fcis-29986	52	47	11	11	NUM
fcis-29986	52	48	energy	energy	NOUN
fcis-29986	52	49	6	6	NUM
fcis-29986	52	50	power	power	NOUN
fcis-29986	52	51	spectral	spectral	ADJ
fcis-29986	52	52	density	density	NOUN
fcis-29986	52	53	12	12	NUM
fcis-29986	52	54	extreme	extreme	ADJ
fcis-29986	52	55	phase	phase	NOUN
fcis-29986	52	56	angles	angle	VERB
fcis-29986	52	57	3.2.2	3.2.2	NUM
fcis-29986	52	58	.	.	PUNCT
fcis-29986	53	1	frequency	frequency	NOUN
fcis-29986	53	2	domain	domain	NOUN
fcis-29986	53	3	feature	feature	NOUN
fcis-29986	53	4	extraction	extraction	NOUN
fcis-29986	53	5	frequency	frequency	NOUN
fcis-29986	53	6	-	-	PUNCT
fcis-29986	53	7	domain	domain	NOUN
fcis-29986	53	8	feature	feature	NOUN
fcis-29986	53	9	extraction	extraction	NOUN
fcis-29986	53	10	is	be	AUX
fcis-29986	53	11	also	also	ADV
fcis-29986	53	12	a	a	DET
fcis-29986	53	13	key	key	ADJ
fcis-29986	53	14	step	step	NOUN
fcis-29986	53	15	in	in	ADP
fcis-29986	53	16	vibration	vibration	NOUN
fcis-29986	53	17	signal	signal	NOUN
fcis-29986	53	18	analysis	analysis	NOUN
fcis-29986	53	19	,	,	PUNCT
fcis-29986	53	20	which	which	PRON
fcis-29986	53	21	mainly	mainly	ADV
fcis-29986	53	22	reveals	reveal	VERB
fcis-29986	53	23	the	the	DET
fcis-29986	53	24	frequency	frequency	NOUN
fcis-29986	53	25	component	component	NOUN
fcis-29986	53	26	and	and	CCONJ
fcis-29986	53	27	energy	energy	NOUN
fcis-29986	53	28	distribution	distribution	NOUN
fcis-29986	53	29	in	in	ADP
fcis-29986	53	30	the	the	DET
fcis-29986	53	31	signal	signal	NOUN
fcis-29986	53	32	,	,	PUNCT
fcis-29986	53	33	which	which	PRON
fcis-29986	53	34	can	can	AUX
fcis-29986	53	35	help	help	VERB
fcis-29986	53	36	to	to	PART
fcis-29986	53	37	identify	identify	VERB
fcis-29986	53	38	and	and	CCONJ
fcis-29986	53	39	distinguish	distinguish	VERB
fcis-29986	53	40	the	the	DET
fcis-29986	53	41	degree	degree	NOUN
fcis-29986	53	42	of	of	ADP
fcis-29986	53	43	bearing	bear	VERB
fcis-29986	53	44	failure	failure	NOUN
fcis-29986	53	45	damage	damage	NOUN
fcis-29986	53	46	.	.	PUNCT
fcis-29986	54	1	table	table	NOUN
fcis-29986	54	2	3	3	NUM
fcis-29986	54	3	shows	show	VERB
fcis-29986	54	4	the	the	DET
fcis-29986	54	5	frequency	frequency	NOUN
fcis-29986	54	6	domain	domain	NOUN
fcis-29986	54	7	characteristics	characteristic	NOUN
fcis-29986	54	8	extracted	extract	VERB
fcis-29986	54	9	by	by	ADP
fcis-29986	54	10	the	the	DET
fcis-29986	54	11	fast	fast	ADJ
fcis-29986	54	12	fourier	fourier	NOUN
fcis-29986	54	13	transform	transform	VERB
fcis-29986	54	14	3.2.3	3.2.3	NUM
fcis-29986	54	15	.	.	PUNCT
fcis-29986	54	16	time	time	NOUN
fcis-29986	54	17	-	-	PUNCT
fcis-29986	54	18	frequency	frequency	NOUN
fcis-29986	54	19	domain	domain	NOUN
fcis-29986	54	20	feature	feature	NOUN
fcis-29986	54	21	extraction	extraction	NOUN
fcis-29986	54	22	wavelet	wavelet	NOUN
fcis-29986	54	23	packet	packet	NOUN
fcis-29986	54	24	decomposition	decomposition	NOUN
fcis-29986	54	25	divides	divide	VERB
fcis-29986	54	26	the	the	DET
fcis-29986	54	27	signal	signal	NOUN
fcis-29986	54	28	into	into	ADP
fcis-29986	54	29	multiple	multiple	ADJ
fcis-29986	54	30	frequency	frequency	NOUN
fcis-29986	54	31	bands	band	NOUN
fcis-29986	54	32	and	and	CCONJ
fcis-29986	54	33	analyzes	analyze	VERB
fcis-29986	54	34	the	the	DET
fcis-29986	54	35	energy	energy	NOUN
fcis-29986	54	36	characteristics	characteristic	NOUN
fcis-29986	54	37	of	of	ADP
fcis-29986	54	38	each	each	DET
fcis-29986	54	39	frequency	frequency	NOUN
fcis-29986	54	40	band	band	NOUN
fcis-29986	54	41	separately	separately	ADV
fcis-29986	54	42	,	,	PUNCT
fcis-29986	54	43	and	and	CCONJ
fcis-29986	54	44	extracts	extract	VERB
fcis-29986	54	45	the	the	DET
fcis-29986	54	46	time	time	NOUN
fcis-29986	54	47	-	-	PUNCT
fcis-29986	54	48	frequency	frequency	NOUN
fcis-29986	54	49	domain	domain	NOUN
fcis-29986	54	50	characteristics	characteristic	NOUN
fcis-29986	54	51	of	of	ADP
fcis-29986	54	52	the	the	DET
fcis-29986	54	53	corresponding	corresponding	ADJ
fcis-29986	54	54	frequency	frequency	NOUN
fcis-29986	54	55	band	band	NOUN
fcis-29986	54	56	in	in	ADP
fcis-29986	54	57	this	this	DET
fcis-29986	54	58	way	way	NOUN
fcis-29986	54	59	.	.	PUNCT
fcis-29986	55	1	in	in	ADP
fcis-29986	55	2	this	this	DET
fcis-29986	55	3	paper	paper	NOUN
fcis-29986	55	4	,	,	PUNCT
fcis-29986	55	5	the	the	DET
fcis-29986	55	6	three	three	NUM
fcis-29986	55	7	-	-	PUNCT
fcis-29986	55	8	layer	layer	NOUN
fcis-29986	55	9	wavelet	wavelet	NOUN
fcis-29986	55	10	decomposition	decomposition	NOUN
fcis-29986	55	11	of	of	ADP
fcis-29986	55	12	the	the	DET
fcis-29986	55	13	bearing	bearing	NOUN
fcis-29986	55	14	vibration	vibration	NOUN
fcis-29986	55	15	signal	signal	NOUN
fcis-29986	55	16	is	be	AUX
fcis-29986	55	17	carried	carry	VERB
fcis-29986	55	18	out	out	ADP
fcis-29986	55	19	by	by	ADP
fcis-29986	55	20	db3	db3	PROPN
fcis-29986	55	21	wavelet	wavelet	NOUN
fcis-29986	55	22	,	,	PUNCT
fcis-29986	55	23	and	and	CCONJ
fcis-29986	55	24	the	the	DET
fcis-29986	55	25	sub	sub	NOUN
fcis-29986	55	26	-	-	NOUN
fcis-29986	55	27	signals	signal	NOUN
fcis-29986	55	28	of	of	ADP
fcis-29986	55	29	eight	eight	NUM
fcis-29986	55	30	frequency	frequency	NOUN
fcis-29986	55	31	bands	band	NOUN
fcis-29986	55	32	are	be	AUX
fcis-29986	55	33	obtained	obtain	VERB
fcis-29986	55	34	by	by	ADP
fcis-29986	55	35	decomposition	decomposition	NOUN
fcis-29986	55	36	.	.	PUNCT
fcis-29986	56	1	finally	finally	ADV
fcis-29986	56	2	,	,	PUNCT
fcis-29986	56	3	the	the	DET
fcis-29986	56	4	wavelet	wavelet	NOUN
fcis-29986	56	5	packet	packet	NOUN
fcis-29986	56	6	coefficients	coefficient	NOUN
fcis-29986	56	7	are	be	AUX
fcis-29986	56	8	calculated	calculate	VERB
fcis-29986	56	9	,	,	PUNCT
fcis-29986	56	10	and	and	CCONJ
fcis-29986	56	11	the	the	DET
fcis-29986	56	12	energy	energy	NOUN
fcis-29986	56	13	characteristics	characteristic	NOUN
fcis-29986	56	14	of	of	ADP
fcis-29986	56	15	each	each	DET
fcis-29986	56	16	frequency	frequency	NOUN
fcis-29986	56	17	band	band	NOUN
fcis-29986	56	18	are	be	AUX
fcis-29986	56	19	the	the	DET
fcis-29986	56	20	eight	eight	NUM
fcis-29986	56	21	timefrequency	timefrequency	NOUN
fcis-29986	56	22	domain	domain	NOUN
fcis-29986	56	23	features	feature	NOUN
fcis-29986	56	24	extracted	extract	VERB
fcis-29986	56	25	.	.	PUNCT
fcis-29986	57	1	3.2.4	3.2.4	NUM
fcis-29986	57	2	.	.	PUNCT
fcis-29986	57	3	feature	feature	NOUN
fcis-29986	57	4	selection	selection	NOUN
fcis-29986	57	5	in	in	ADP
fcis-29986	57	6	this	this	DET
fcis-29986	57	7	paper	paper	NOUN
fcis-29986	57	8	,	,	PUNCT
fcis-29986	57	9	principal	principal	ADJ
fcis-29986	57	10	component	component	NOUN
fcis-29986	57	11	analysis	analysis	NOUN
fcis-29986	57	12	(	(	PUNCT
fcis-29986	57	13	pca	pca	NOUN
fcis-29986	57	14	)	)	PUNCT
fcis-29986	57	15	is	be	AUX
fcis-29986	57	16	us	us	PROPN
fcis-29986	57	17	ed	ed	NOUN
fcis-29986	57	18	to	to	PART
fcis-29986	57	19	reduce	reduce	VERB
fcis-29986	57	20	the	the	DET
fcis-29986	57	21	dimensionality	dimensionality	NOUN
fcis-29986	57	22	of	of	ADP
fcis-29986	57	23	the	the	DET
fcis-29986	57	24	extracted	extract	VERB
fcis-29986	57	25	high	high	ADJ
fcis-29986	57	26	-	-	PUNCT
fcis-29986	57	27	dim	dim	ADJ
fcis-29986	57	28	ensional	ensional	ADJ
fcis-29986	57	29	feature	feature	NOUN
fcis-29986	57	30	set	set	NOUN
fcis-29986	57	31	,	,	PUNCT
fcis-29986	57	32	and	and	CCONJ
fcis-29986	57	33	the	the	DET
fcis-29986	57	34	cumulative	cumulative	ADJ
fcis-29986	57	35	variance	variance	NOUN
fcis-29986	57	36	contribut	contribut	NOUN
fcis-29986	57	37	ion	ion	NOUN
fcis-29986	57	38	rate	rate	NOUN
fcis-29986	57	39	of	of	ADP
fcis-29986	57	40	95	95	NUM
fcis-29986	57	41	%	%	NOUN
fcis-29986	57	42	is	be	AUX
fcis-29986	57	43	selected	select	VERB
fcis-29986	57	44	as	as	ADP
fcis-29986	57	45	the	the	DET
fcis-29986	57	46	dimensionality	dimensionality	NOUN
fcis-29986	57	47	reductio	reductio	NOUN
fcis-29986	57	48	n	n	DET
fcis-29986	57	49	criterion	criterion	NOUN
fcis-29986	57	50	,	,	PUNCT
fcis-29986	57	51	and	and	CCONJ
fcis-29986	57	52	the	the	DET
fcis-29986	57	53	features	feature	NOUN
fcis-29986	57	54	of	of	ADP
fcis-29986	57	55	33	33	NUM
fcis-29986	57	56	dimensions	dimension	NOUN
fcis-29986	57	57	are	be	AUX
fcis-29986	57	58	reduced	reduce	VERB
fcis-29986	57	59	to	to	ADP
fcis-29986	57	60	15	15	NUM
fcis-29986	57	61	dimensions	dimension	NOUN
fcis-29986	57	62	.	.	PUNCT
fcis-29986	58	1	3.3	3.3	NUM
fcis-29986	58	2	.	.	PUNCT
fcis-29986	59	1	state	state	NOUN
fcis-29986	59	2	division	division	NOUN
fcis-29986	59	3	in	in	ADP
fcis-29986	59	4	order	order	NOUN
fcis-29986	59	5	to	to	PART
fcis-29986	59	6	verify	verify	VERB
fcis-29986	59	7	the	the	DET
fcis-29986	59	8	effectiveness	effectiveness	NOUN
fcis-29986	59	9	of	of	ADP
fcis-29986	59	10	the	the	DET
fcis-29986	59	11	partition	partition	NOUN
fcis-29986	59	12	effect	effect	NOUN
fcis-29986	59	13	of	of	ADP
fcis-29986	59	14	the	the	DET
fcis-29986	59	15	hidden	hide	VERB
fcis-29986	59	16	markov	markov	NOUN
fcis-29986	59	17	model	model	NOUN
fcis-29986	59	18	,	,	PUNCT
fcis-29986	59	19	the	the	DET
fcis-29986	59	20	bearings	bearing	NOUN
fcis-29986	59	21	of	of	ADP
fcis-29986	59	22	the	the	DET
fcis-29986	59	23	test	test	NOUN
fcis-29986	59	24	bearing	bear	VERB
fcis-29986	59	25	1_1	1_1	NUM
fcis-29986	59	26	and	and	CCONJ
fcis-29986	59	27	the	the	DET
fcis-29986	59	28	bearing	bearing	NOUN
fcis-29986	59	29	2_1	2_1	NUM
fcis-29986	59	30	were	be	AUX
fcis-29986	59	31	divided	divide	VERB
fcis-29986	59	32	,	,	PUNCT
fcis-29986	59	33	and	and	CCONJ
fcis-29986	59	34	the	the	DET
fcis-29986	59	35	hmm	hmm	INTJ
fcis-29986	59	36	was	be	AUX
fcis-29986	59	37	trained	train	VERB
fcis-29986	59	38	and	and	CCONJ
fcis-29986	59	39	decoded	decode	VERB
fcis-29986	59	40	with	with	ADP
fcis-29986	59	41	their	their	PRON
fcis-29986	59	42	rms	rm	NOUN
fcis-29986	59	43	as	as	ADP
fcis-29986	59	44	the	the	DET
fcis-29986	59	45	observation	observation	NOUN
fcis-29986	59	46	sequence	sequence	NOUN
fcis-29986	59	47	,	,	PUNCT
fcis-29986	59	48	because	because	SCONJ
fcis-29986	59	49	only	only	ADV
fcis-29986	59	50	two	two	NUM
fcis-29986	59	51	stages	stage	NOUN
fcis-29986	59	52	need	need	VERB
fcis-29986	59	53	to	to	PART
fcis-29986	59	54	be	be	AUX
fcis-29986	59	55	divided	divide	VERB
fcis-29986	59	56	:	:	PUNCT
fcis-29986	59	57	the	the	DET
fcis-29986	59	58	healthy	healthy	ADJ
fcis-29986	59	59	stage	stage	NOUN
fcis-29986	59	60	and	and	CCONJ
fcis-29986	59	61	the	the	DET
fcis-29986	59	62	degenerative	degenerative	ADJ
fcis-29986	59	63	stage	stage	NOUN
fcis-29986	59	64	,	,	PUNCT
fcis-29986	59	65	so	so	CCONJ
fcis-29986	59	66	the	the	DET
fcis-29986	59	67	number	number	NOUN
fcis-29986	59	68	of	of	ADP
fcis-29986	59	69	hidden	hidden	ADJ
fcis-29986	59	70	states	state	NOUN
fcis-29986	59	71	was	be	AUX
fcis-29986	59	72	set	set	VERB
fcis-29986	59	73	to	to	ADP
fcis-29986	59	74	2	2	NUM
fcis-29986	59	75	to	to	PART
fcis-29986	59	76	divide	divide	VERB
fcis-29986	59	77	.	.	PUNCT
fcis-29986	60	1	fig	fig	NOUN
fcis-29986	60	2	.	.	PUNCT
fcis-29986	61	1	3	3	NUM
fcis-29986	61	2	and	and	CCONJ
fcis-29986	61	3	fig	fig	NOUN
fcis-29986	61	4	.	.	PUNCT
fcis-29986	62	1	4	4	NUM
fcis-29986	62	2	are	be	AUX
fcis-29986	62	3	the	the	DET
fcis-29986	62	4	results	result	NOUN
fcis-29986	62	5	of	of	ADP
fcis-29986	62	6	the	the	DET
fcis-29986	62	7	state	state	NOUN
fcis-29986	62	8	division	division	NOUN
fcis-29986	62	9	of	of	ADP
fcis-29986	62	10	bearing	bear	VERB
fcis-29986	62	11	1_1	1_1	NUM
fcis-29986	62	12	and	and	CCONJ
fcis-29986	62	13	bearing	bear	VERB
fcis-29986	62	14	2_1	2_1	NUM
fcis-29986	62	15	respectively	respectively	ADV
fcis-29986	62	16	,	,	PUNCT
fcis-29986	62	17	and	and	CCONJ
fcis-29986	62	18	their	their	PRON
fcis-29986	62	19	figure	figure	NOUN
fcis-29986	62	20	a	a	PRON
fcis-29986	62	21	is	be	AUX
fcis-29986	62	22	the	the	DET
fcis-29986	62	23	hidden	hidden	ADJ
fcis-29986	62	24	state	state	NOUN
fcis-29986	62	25	sequence	sequence	NOUN
fcis-29986	62	26	generated	generate	VERB
fcis-29986	62	27	according	accord	VERB
fcis-29986	62	28	to	to	ADP
fcis-29986	62	29	the	the	DET
fcis-29986	62	30	observation	observation	NOUN
fcis-29986	62	31	sequence	sequence	NOUN
fcis-29986	62	32	rms	rm	NOUN
fcis-29986	62	33	,	,	PUNCT
fcis-29986	62	34	and	and	CCONJ
fcis-29986	62	35	the	the	DET
fcis-29986	62	36	rms	rm	NOUN
fcis-29986	62	37	value	value	NOUN
fcis-29986	62	38	of	of	ADP
fcis-29986	62	39	the	the	DET
fcis-29986	62	40	state	state	NOUN
fcis-29986	62	41	division	division	NOUN
fcis-29986	62	42	point	point	NOUN
fcis-29986	62	43	changes	change	VERB
fcis-29986	62	44	significantly	significantly	ADV
fcis-29986	62	45	,	,	PUNCT
fcis-29986	62	46	indicating	indicate	VERB
fcis-29986	62	47	that	that	SCONJ
fcis-29986	62	48	the	the	DET
fcis-29986	62	49	bearing	bearing	NOUN
fcis-29986	62	50	begins	begin	VERB
fcis-29986	62	51	to	to	PART
fcis-29986	62	52	enter	enter	VERB
fcis-29986	62	53	the	the	DET
fcis-29986	62	54	degradation	degradation	NOUN
fcis-29986	62	55	stage	stage	NOUN
fcis-29986	62	56	.	.	PUNCT
fcis-29986	63	1	a	a	DET
fcis-29986	63	2	rms	rm	NOUN
fcis-29986	63	3	and	and	CCONJ
fcis-29986	63	4	hidden	hide	VERB
fcis-29986	63	5	state	state	NOUN
fcis-29986	63	6	sequences	sequence	NOUN
fcis-29986	63	7	b	b	PROPN
fcis-29986	63	8	raw	raw	ADJ
fcis-29986	63	9	signals	signal	NOUN
fcis-29986	63	10	and	and	CCONJ
fcis-29986	63	11	their	their	PRON
fcis-29986	63	12	divisions	division	NOUN
fcis-29986	63	13	fig	fig	NOUN
fcis-29986	63	14	2	2	NUM
fcis-29986	63	15	.	.	PUNCT
fcis-29986	64	1	bearing	bear	VERB
fcis-29986	64	2	1_1	1_1	NUM
fcis-29986	64	3	division	division	NOUN
fcis-29986	64	4	result	result	VERB
fcis-29986	64	5	a	a	DET
fcis-29986	64	6	rms	rm	NOUN
fcis-29986	64	7	and	and	CCONJ
fcis-29986	64	8	hidden	hide	VERB
fcis-29986	64	9	state	state	NOUN
fcis-29986	64	10	sequences	sequence	NOUN
fcis-29986	64	11	b	b	PROPN
fcis-29986	64	12	raw	raw	ADJ
fcis-29986	64	13	signals	signal	NOUN
fcis-29986	64	14	and	and	CCONJ
fcis-29986	64	15	their	their	PRON
fcis-29986	64	16	divisions	division	NOUN
fcis-29986	64	17	fig	fig	NOUN
fcis-29986	64	18	3	3	NUM
fcis-29986	64	19	.	.	PUNCT
fcis-29986	64	20	bearing	bear	VERB
fcis-29986	64	21	2_1	2_1	NUM
fcis-29986	64	22	division	division	NOUN
fcis-29986	64	23	result	result	VERB
fcis-29986	64	24	fig	fig	NOUN
fcis-29986	64	25	.	.	PUNCT
fcis-29986	65	1	b	b	NOUN
fcis-29986	65	2	is	be	AUX
fcis-29986	65	3	the	the	DET
fcis-29986	65	4	result	result	NOUN
fcis-29986	65	5	of	of	ADP
fcis-29986	65	6	dividing	divide	VERB
fcis-29986	65	7	the	the	DET
fcis-29986	65	8	original	original	ADJ
fcis-29986	65	9	signal	signal	NOUN
fcis-29986	65	10	according	accord	VERB
fcis-29986	65	11	to	to	ADP
fcis-29986	65	12	the	the	DET
fcis-29986	65	13	degradation	degradation	NOUN
fcis-29986	65	14	threshold	threshold	NOUN
fcis-29986	65	15	point	point	NOUN
fcis-29986	65	16	of	of	ADP
fcis-29986	65	17	figure	figure	NOUN
fcis-29986	65	18	a	a	PRON
fcis-29986	65	19	,	,	PUNCT
fcis-29986	65	20	the	the	DET
fcis-29986	65	21	original	original	ADJ
fcis-29986	65	22	signal	signal	NOUN
fcis-29986	65	23	change	change	NOUN
fcis-29986	65	24	before	before	ADP
fcis-29986	65	25	the	the	DET
fcis-29986	65	26	degradation	degradation	NOUN
fcis-29986	65	27	threshold	threshold	NOUN
fcis-29986	65	28	point	point	NOUN
fcis-29986	65	29	of	of	ADP
fcis-29986	65	30	the	the	DET
fcis-29986	65	31	two	two	NUM
fcis-29986	65	32	bearings	bearing	NOUN
fcis-29986	65	33	is	be	AUX
fcis-29986	65	34	relatively	relatively	ADV
fcis-29986	65	35	stable	stable	ADJ
fcis-29986	65	36	,	,	PUNCT
fcis-29986	65	37	and	and	CCONJ
fcis-29986	65	38	the	the	DET
fcis-29986	65	39	signal	signal	NOUN
fcis-29986	65	40	fluctuates	fluctuate	VERB
fcis-29986	65	41	significantly	significantly	ADV
fcis-29986	65	42	from	from	ADP
fcis-29986	65	43	the	the	DET
fcis-29986	65	44	degradation	degradation	NOUN
fcis-29986	65	45	threshold	threshold	NOUN
fcis-29986	65	46	point	point	NOUN
fcis-29986	65	47	.	.	PUNCT
fcis-29986	66	1	according	accord	VERB
fcis-29986	66	2	to	to	ADP
fcis-29986	66	3	the	the	DET
fcis-29986	66	4	results	result	NOUN
fcis-29986	66	5	of	of	ADP
fcis-29986	66	6	the	the	DET
fcis-29986	66	7	rms	rm	NOUN
fcis-29986	66	8	value	value	NOUN
fcis-29986	66	9	of	of	ADP
fcis-29986	66	10	the	the	DET
fcis-29986	66	11	two	two	NUM
fcis-29986	66	12	bearings	bearing	NOUN
fcis-29986	66	13	,	,	PUNCT
fcis-29986	66	14	the	the	DET
fcis-29986	66	15	generated	generate	VERB
fcis-29986	66	16	hidden	hide	VERB
fcis-29986	66	17	state	state	NOUN
fcis-29986	66	18	sequence	sequence	NOUN
fcis-29986	66	19	and	and	CCONJ
fcis-29986	66	20	the	the	DET
fcis-29986	66	21	division	division	NOUN
fcis-29986	66	22	of	of	ADP
fcis-29986	66	23	the	the	DET
fcis-29986	66	24	original	original	ADJ
fcis-29986	66	25	signal	signal	NOUN
fcis-29986	66	26	by	by	ADP
fcis-29986	66	27	the	the	DET
fcis-29986	66	28	degradation	degradation	NOUN
fcis-29986	66	29	threshold	threshold	NOUN
fcis-29986	66	30	point	point	NOUN
fcis-29986	66	31	,	,	PUNCT
fcis-29986	66	32	the	the	DET
fcis-29986	66	33	hidden	hide	VERB
fcis-29986	66	34	markov	markov	NOUN
fcis-29986	66	35	model	model	NOUN
fcis-29986	66	36	has	have	VERB
fcis-29986	66	37	a	a	DET
fcis-29986	66	38	good	good	ADJ
fcis-29986	66	39	effect	effect	NOUN
fcis-29986	66	40	on	on	ADP
fcis-29986	66	41	the	the	DET
fcis-29986	66	42	division	division	NOUN
fcis-29986	66	43	of	of	ADP
fcis-29986	66	44	the	the	DET
fcis-29986	66	45	healthy	healthy	ADJ
fcis-29986	66	46	phase	phase	NOUN
fcis-29986	66	47	and	and	CCONJ
fcis-29986	66	48	the	the	DET
fcis-29986	66	49	degradation	degradation	NOUN
fcis-29986	66	50	stage	stage	NOUN
fcis-29986	66	51	of	of	ADP
fcis-29986	66	52	the	the	DET
fcis-29986	66	53	bearing	bearing	NOUN
fcis-29986	66	54	operation	operation	NOUN
fcis-29986	66	55	,	,	PUNCT
fcis-29986	66	56	and	and	CCONJ
fcis-29986	66	57	is	be	AUX
fcis-29986	66	58	suitable	suitable	ADJ
fcis-29986	66	59	for	for	ADP
fcis-29986	66	60	bearings	bearing	NOUN
fcis-29986	66	61	under	under	ADP
fcis-29986	66	62	different	different	ADJ
fcis-29986	66	63	working	work	VERB
fcis-29986	66	64	conditions	condition	NOUN
fcis-29986	66	65	.	.	PUNCT
fcis-29986	67	1	3.4	3.4	NUM
fcis-29986	67	2	.	.	PUNCT
fcis-29986	68	1	remaining	remain	VERB
fcis-29986	68	2	life	life	NOUN
fcis-29986	68	3	prediction	prediction	NOUN
fcis-29986	68	4	the	the	DET
fcis-29986	68	5	principal	principal	ADJ
fcis-29986	68	6	component	component	NOUN
fcis-29986	68	7	characteristics	characteristic	NOUN
fcis-29986	68	8	of	of	ADP
fcis-29986	68	9	the	the	DET
fcis-29986	68	10	degradation	degradation	NOUN
fcis-29986	68	11	28	28	NUM
fcis-29986	68	12	stage	stage	NOUN
fcis-29986	68	13	after	after	ADP
fcis-29986	68	14	bearing	bear	VERB
fcis-29986	68	15	1_1	1_1	NUM
fcis-29986	68	16	division	division	NOUN
fcis-29986	68	17	are	be	AUX
fcis-29986	68	18	used	use	VERB
fcis-29986	68	19	for	for	ADP
fcis-29986	68	20	life	life	NOUN
fcis-29986	68	21	prediction	prediction	NOUN
fcis-29986	68	22	,	,	PUNCT
fcis-29986	68	23	and	and	CCONJ
fcis-29986	68	24	the	the	DET
fcis-29986	68	25	training	training	NOUN
fcis-29986	68	26	set	set	NOUN
fcis-29986	68	27	and	and	CCONJ
fcis-29986	68	28	the	the	DET
fcis-29986	68	29	test	test	NOUN
fcis-29986	68	30	set	set	NOUN
fcis-29986	68	31	are	be	AUX
fcis-29986	68	32	divided	divide	VERB
fcis-29986	68	33	into	into	ADP
fcis-29986	68	34	seven	seven	NUM
fcis-29986	68	35	to	to	PART
fcis-29986	68	36	three	three	NUM
fcis-29986	68	37	.	.	PUNCT
fcis-29986	69	1	the	the	DET
fcis-29986	69	2	prediction	prediction	NOUN
fcis-29986	69	3	performance	performance	NOUN
fcis-29986	69	4	of	of	ADP
fcis-29986	69	5	lightgbm	lightgbm	NOUN
fcis-29986	69	6	optimized	optimize	VERB
fcis-29986	69	7	by	by	ADP
fcis-29986	69	8	whale	whale	NOUN
fcis-29986	69	9	algorithm	algorithm	NOUN
fcis-29986	69	10	is	be	AUX
fcis-29986	69	11	compared	compare	VERB
fcis-29986	69	12	with	with	ADP
fcis-29986	69	13	lightgbm	lightgbm	ADJ
fcis-29986	69	14	,	,	PUNCT
fcis-29986	69	15	extreme	extreme	ADJ
fcis-29986	69	16	random	random	ADJ
fcis-29986	69	17	tree	tree	NOUN
fcis-29986	69	18	(	(	PUNCT
fcis-29986	69	19	et	et	NOUN
fcis-29986	69	20	)	)	PUNCT
fcis-29986	69	21	and	and	CCONJ
fcis-29986	69	22	xgboost	xgboost	ADV
fcis-29986	69	23	without	without	ADP
fcis-29986	69	24	optimization	optimization	NOUN
fcis-29986	69	25	,	,	PUNCT
fcis-29986	69	26	the	the	DET
fcis-29986	69	27	results	result	NOUN
fcis-29986	69	28	are	be	AUX
fcis-29986	69	29	shown	show	VERB
fcis-29986	69	30	in	in	ADP
fcis-29986	69	31	figure	figure	NOUN
fcis-29986	69	32	5	5	NUM
fcis-29986	69	33	,	,	PUNCT
fcis-29986	69	34	and	and	CCONJ
fcis-29986	69	35	finally	finally	ADV
fcis-29986	69	36	the	the	DET
fcis-29986	69	37	prediction	prediction	NOUN
fcis-29986	69	38	effect	effect	NOUN
fcis-29986	69	39	is	be	AUX
fcis-29986	69	40	evaluated	evaluate	VERB
fcis-29986	69	41	by	by	ADP
fcis-29986	69	42	r2	r2	PROPN
fcis-29986	69	43	and	and	CCONJ
fcis-29986	69	44	rmse	rmse	NOUN
fcis-29986	69	45	,	,	PUNCT
fcis-29986	69	46	and	and	CCONJ
fcis-29986	69	47	the	the	DET
fcis-29986	69	48	comparison	comparison	NOUN
fcis-29986	69	49	results	result	NOUN
fcis-29986	69	50	are	be	AUX
fcis-29986	69	51	shown	show	VERB
fcis-29986	69	52	in	in	ADP
fcis-29986	69	53	table	table	NOUN
fcis-29986	69	54	4	4	NUM
fcis-29986	70	1	a	a	PRON
fcis-29986	70	2	xgboost	xgboost	X
fcis-29986	70	3	prediction	prediction	NOUN
fcis-29986	70	4	results	result	NOUN
fcis-29986	70	5	b	b	NOUN
fcis-29986	70	6	et	et	NOUN
fcis-29986	70	7	prediction	prediction	NOUN
fcis-29986	70	8	results	result	VERB
fcis-29986	70	9	c	c	PROPN
fcis-29986	70	10	lightgbm	lightgbm	VERB
fcis-29986	70	11	prediction	prediction	NOUN
fcis-29986	70	12	results	result	NOUN
fcis-29986	70	13	d	d	NOUN
fcis-29986	70	14	woa	woa	ADJ
fcis-29986	70	15	-	-	PUNCT
fcis-29986	70	16	lightgbm	lightgbm	ADJ
fcis-29986	70	17	prediction	prediction	NOUN
fcis-29986	70	18	results	result	NOUN
fcis-29986	70	19	fig	fig	NOUN
fcis-29986	70	20	4	4	NUM
fcis-29986	70	21	.	.	PUNCT
fcis-29986	70	22	comparison	comparison	NOUN
fcis-29986	70	23	chart	chart	NOUN
fcis-29986	70	24	of	of	ADP
fcis-29986	70	25	remaining	remain	VERB
fcis-29986	70	26	life	life	NOUN
fcis-29986	70	27	predictions	prediction	NOUN
fcis-29986	70	28	table	table	NOUN
fcis-29986	70	29	4	4	NUM
fcis-29986	70	30	.	.	PUNCT
fcis-29986	70	31	evaluation	evaluation	NOUN
fcis-29986	70	32	index	index	NOUN
fcis-29986	70	33	scores	score	VERB
fcis-29986	70	34	predictive	predictive	ADJ
fcis-29986	70	35	models	model	NOUN
fcis-29986	70	36	r2	r2	PROPN
fcis-29986	70	37	rmse	rmse	PROPN
fcis-29986	71	1	xgboost	xgboost	ADV
fcis-29986	71	2	0.9850	0.9850	NUM
fcis-29986	71	3	1.3451	1.3451	NUM
fcis-29986	71	4	et	et	NOUN
fcis-29986	71	5	0.9865	0.9865	NUM
fcis-29986	71	6	1.2894	1.2894	NUM
fcis-29986	71	7	lightgbm	lightgbm	VERB
fcis-29986	71	8	0.9912	0.9912	NUM
fcis-29986	71	9	0.8792	0.8792	NUM
fcis-29986	71	10	woalightgbm	woalightgbm	VERB
fcis-29986	71	11	0.9948	0.9948	NUM
fcis-29986	71	12	0.5749	0.5749	NUM
fcis-29986	71	13	from	from	ADP
fcis-29986	71	14	the	the	DET
fcis-29986	71	15	comparison	comparison	NOUN
fcis-29986	71	16	results	result	VERB
fcis-29986	71	17	,	,	PUNCT
fcis-29986	71	18	it	it	PRON
fcis-29986	71	19	can	can	AUX
fcis-29986	71	20	be	be	AUX
fcis-29986	71	21	seen	see	VERB
fcis-29986	71	22	that	that	SCONJ
fcis-29986	71	23	the	the	DET
fcis-29986	71	24	r2	r2	PROPN
fcis-29986	71	25	and	and	CCONJ
fcis-29986	71	26	rmse	rmse	NOUN
fcis-29986	71	27	of	of	ADP
fcis-29986	71	28	the	the	DET
fcis-29986	71	29	lightgbm	lightgbm	ADJ
fcis-29986	71	30	model	model	NOUN
fcis-29986	71	31	are	be	AUX
fcis-29986	71	32	lower	low	ADJ
fcis-29986	71	33	than	than	ADP
fcis-29986	71	34	those	those	PRON
fcis-29986	71	35	of	of	ADP
fcis-29986	71	36	et	et	PRON
fcis-29986	71	37	and	and	CCONJ
fcis-29986	71	38	xgboost	xgboost	ADV
fcis-29986	71	39	,	,	PUNCT
fcis-29986	71	40	while	while	SCONJ
fcis-29986	71	41	the	the	DET
fcis-29986	71	42	whale	whale	NOUN
fcis-29986	71	43	algorithm	algorithm	NOUN
fcis-29986	71	44	is	be	AUX
fcis-29986	71	45	optimized	optimize	VERB
fcis-29986	71	46	.	.	PUNCT
fcis-29986	72	1	the	the	DET
fcis-29986	72	2	forecast	forecast	NOUN
fcis-29986	72	3	r2	r2	PROPN
fcis-29986	72	4	of	of	ADP
fcis-29986	72	5	lightgbm	lightgbm	ADJ
fcis-29986	72	6	will	will	AUX
fcis-29986	72	7	increase	increase	VERB
fcis-29986	72	8	by	by	ADP
fcis-29986	72	9	0.0036	0.0036	NUM
fcis-29986	72	10	,	,	PUNCT
fcis-29986	72	11	rmse	rmse	ADJ
fcis-29986	72	12	the	the	DET
fcis-29986	72	13	decrease	decrease	NOUN
fcis-29986	72	14	is	be	AUX
fcis-29986	72	15	0.3043	0.3043	NUM
fcis-29986	72	16	,	,	PUNCT
fcis-29986	72	17	which	which	PRON
fcis-29986	72	18	indicates	indicate	VERB
fcis-29986	72	19	that	that	SCONJ
fcis-29986	72	20	the	the	DET
fcis-29986	72	21	prediction	prediction	NOUN
fcis-29986	72	22	model	model	NOUN
fcis-29986	72	23	has	have	VERB
fcis-29986	72	24	the	the	DET
fcis-29986	72	25	best	good	ADJ
fcis-29986	72	26	prediction	prediction	NOUN
fcis-29986	72	27	performance	performance	NOUN
fcis-29986	72	28	and	and	CCONJ
fcis-29986	72	29	reflects	reflect	VERB
fcis-29986	72	30	the	the	DET
fcis-29986	72	31	effectiveness	effectiveness	NOUN
fcis-29986	72	32	of	of	ADP
fcis-29986	72	33	the	the	DET
fcis-29986	72	34	model	model	NOUN
fcis-29986	72	35	.	.	PUNCT
fcis-29986	73	1	4	4	X
fcis-29986	73	2	.	.	X
fcis-29986	73	3	conclusion	conclusion	NOUN
fcis-29986	73	4	(	(	PUNCT
fcis-29986	73	5	1	1	X
fcis-29986	73	6	)	)	PUNCT
fcis-29986	73	7	the	the	DET
fcis-29986	73	8	hidden	hide	VERB
fcis-29986	73	9	markov	markov	NOUN
fcis-29986	73	10	model	model	NOUN
fcis-29986	73	11	can	can	AUX
fcis-29986	73	12	effectively	effectively	ADV
fcis-29986	73	13	process	process	VERB
fcis-29986	73	14	the	the	DET
fcis-29986	73	15	time	time	NOUN
fcis-29986	73	16	series	series	PROPN
fcis-29986	73	17	data	data	PROPN
fcis-29986	73	18	,	,	PUNCT
fcis-29986	73	19	and	and	CCONJ
fcis-29986	73	20	realize	realize	VERB
fcis-29986	73	21	the	the	DET
fcis-29986	73	22	accurate	accurate	ADJ
fcis-29986	73	23	state	state	NOUN
fcis-29986	73	24	division	division	NOUN
fcis-29986	73	25	of	of	ADP
fcis-29986	73	26	the	the	DET
fcis-29986	73	27	bearings	bearing	NOUN
fcis-29986	73	28	under	under	ADP
fcis-29986	73	29	the	the	DET
fcis-29986	73	30	two	two	NUM
fcis-29986	73	31	working	work	VERB
fcis-29986	73	32	conditions	condition	NOUN
fcis-29986	73	33	by	by	ADP
fcis-29986	73	34	combining	combine	VERB
fcis-29986	73	35	the	the	DET
fcis-29986	73	36	baum	baum	PROPN
fcis-29986	73	37	-	-	PUNCT
fcis-29986	73	38	welch	welch	PROPN
fcis-29986	73	39	algorithm	algorithm	NOUN
fcis-29986	73	40	and	and	CCONJ
fcis-29986	73	41	the	the	DET
fcis-29986	73	42	viterbi	viterbi	NOUN
fcis-29986	73	43	algorithm	algorithm	NOUN
fcis-29986	73	44	,	,	PUNCT
fcis-29986	73	45	and	and	CCONJ
fcis-29986	73	46	can	can	AUX
fcis-29986	73	47	effectively	effectively	ADV
fcis-29986	73	48	divide	divide	VERB
fcis-29986	73	49	the	the	DET
fcis-29986	73	50	whole	whole	ADJ
fcis-29986	73	51	life	life	NOUN
fcis-29986	73	52	cycle	cycle	NOUN
fcis-29986	73	53	of	of	ADP
fcis-29986	73	54	the	the	DET
fcis-29986	73	55	bearing	bearing	NOUN
fcis-29986	73	56	into	into	ADP
fcis-29986	73	57	the	the	DET
fcis-29986	73	58	health	health	NOUN
fcis-29986	73	59	stage	stage	NOUN
fcis-29986	73	60	and	and	CCONJ
fcis-29986	73	61	the	the	DET
fcis-29986	73	62	degradation	degradation	NOUN
fcis-29986	73	63	stage	stage	NOUN
fcis-29986	73	64	.	.	PUNCT
fcis-29986	74	1	(	(	PUNCT
fcis-29986	74	2	2	2	X
fcis-29986	74	3	)	)	PUNCT
fcis-29986	74	4	through	through	ADP
fcis-29986	74	5	the	the	DET
fcis-29986	74	6	verification	verification	NOUN
fcis-29986	74	7	of	of	ADP
fcis-29986	74	8	the	the	DET
fcis-29986	74	9	xjtu	xjtu	NOUN
fcis-29986	74	10	-	-	PUNCT
fcis-29986	74	11	sy	sy	NOUN
fcis-29986	74	12	dataset	dataset	NOUN
fcis-29986	74	13	,	,	PUNCT
fcis-29986	74	14	the	the	DET
fcis-29986	74	15	predictability	predictability	NOUN
fcis-29986	74	16	of	of	ADP
fcis-29986	74	17	lightgbm	lightgbm	NOUN
fcis-29986	74	18	is	be	AUX
fcis-29986	74	19	better	well	ADJ
fcis-29986	74	20	than	than	ADP
fcis-29986	74	21	that	that	PRON
fcis-29986	74	22	of	of	ADP
fcis-29986	74	23	et	et	NOUN
fcis-29986	74	24	and	and	CCONJ
fcis-29986	74	25	xgboost	xgboost	NUM
fcis-29986	74	26	,	,	PUNCT
fcis-29986	74	27	and	and	CCONJ
fcis-29986	74	28	the	the	DET
fcis-29986	74	29	prediction	prediction	NOUN
fcis-29986	74	30	performance	performance	NOUN
fcis-29986	74	31	of	of	ADP
fcis-29986	74	32	lightgbm	lightgbm	ADJ
fcis-29986	74	33	after	after	ADP
fcis-29986	74	34	whale	whale	NOUN
fcis-29986	74	35	algorithm	algorithm	NOUN
fcis-29986	74	36	optimization	optimization	NOUN
fcis-29986	74	37	has	have	AUX
fcis-29986	74	38	been	be	AUX
fcis-29986	74	39	significantly	significantly	ADV
fcis-29986	74	40	improved	improve	VERB
fcis-29986	74	41	,	,	PUNCT
fcis-29986	74	42	which	which	PRON
fcis-29986	74	43	verifies	verify	VERB
fcis-29986	74	44	the	the	DET
fcis-29986	74	45	effectiveness	effectiveness	NOUN
fcis-29986	74	46	of	of	ADP
fcis-29986	74	47	the	the	DET
fcis-29986	74	48	model	model	NOUN
fcis-29986	74	49	references	reference	NOUN
fcis-29986	74	50	[	[	X
fcis-29986	74	51	1	1	NUM
fcis-29986	74	52	]	]	X
fcis-29986	74	53	han	han	PROPN
fcis-29986	74	54	c	c	PROPN
fcis-29986	74	55	,	,	PUNCT
fcis-29986	74	56	xianguang	xianguang	PROPN
fcis-29986	75	1	k	k	PROPN
fcis-29986	75	2	,	,	PUNCT
fcis-29986	75	3	qibin	qibin	PROPN
fcis-29986	75	4	w	w	PROPN
fcis-29986	75	5	,	,	PUNCT
fcis-29986	75	6	et	et	PROPN
fcis-29986	75	7	al.the	al.the	VERB
fcis-29986	75	8	two	two	NUM
fcis-29986	75	9	-	-	PUNCT
fcis-29986	75	10	stage	stage	NOUN
fcis-29986	75	11	rul	rul	NOUN
fcis-29986	75	12	prediction	prediction	NOUN
fcis-29986	75	13	across	across	ADP
fcis-29986	75	14	operation	operation	NOUN
fcis-29986	75	15	conditions	condition	NOUN
fcis-29986	75	16	using	use	VERB
fcis-29986	75	17	deep	deep	ADJ
fcis-29986	75	18	transfer	transfer	NOUN
fcis-29986	75	19	learning	learning	NOUN
fcis-29986	75	20	and	and	CCONJ
fcis-29986	75	21	insufficient	insufficient	ADJ
fcis-29986	75	22	degradation	degradation	NOUN
fcis-29986	75	23	data[j].reliability	data[j].reliability	NOUN
fcis-29986	75	24	engineering	engineering	NOUN
fcis-29986	75	25	and	and	CCONJ
fcis-29986	75	26	system	system	NOUN
fcis-29986	75	27	safety,2022,225	safety,2022,225	NOUN
fcis-29986	75	28	.	.	PUNCT
fcis-29986	76	1	[	[	X
fcis-29986	76	2	2	2	NUM
fcis-29986	76	3	]	]	X
fcis-29986	76	4	shao	shao	PROPN
fcis-29986	76	5	haidong	haidong	PROPN
fcis-29986	76	6	,	,	PUNCT
fcis-29986	76	7	xiao	xiao	PROPN
fcis-29986	76	8	yiming	yiming	PROPN
fcis-29986	76	9	,	,	PUNCT
fcis-29986	76	10	yan	yan	PROPN
fcis-29986	76	11	shen	shen	PROPN
fcis-29986	76	12	.	.	PUNCT
fcis-29986	77	1	simulation	simulation	PROPN
fcis-29986	77	2	datadriven	datadriven	PROPN
fcis-29986	77	3	improved	improve	VERB
fcis-29986	77	4	unsupervised	unsupervised	ADJ
fcis-29986	77	5	domain	domain	NOUN
fcis-29986	77	6	-	-	PUNCT
fcis-29986	77	7	adaptive	adaptive	ADJ
fcis-29986	77	8	bearing	bearing	NOUN
fcis-29986	77	9	fault	fault	NOUN
fcis-29986	77	10	diagnosis[j	diagnosis[j	NOUN
fcis-29986	77	11	]	]	PUNCT
fcis-29986	77	12	.	.	PUNCT
fcis-29986	78	1	journal	journal	PROPN
fcis-29986	78	2	of	of	ADP
fcis-29986	78	3	mechanical	mechanical	ADJ
fcis-29986	78	4	engineering	engineering	NOUN
fcis-29986	78	5	,	,	PUNCT
fcis-29986	78	6	2023,59	2023,59	PROPN
fcis-29986	78	7	(	(	PUNCT
fcis-29986	78	8	03	03	NUM
fcis-29986	78	9	):	):	PUNCT
fcis-29986	78	10	76	76	NUM
fcis-29986	78	11	-	-	SYM
fcis-29986	78	12	85	85	NUM
fcis-29986	78	13	.	.	PUNCT
fcis-29986	79	1	[	[	X
fcis-29986	79	2	3	3	X
fcis-29986	79	3	]	]	X
fcis-29986	79	4	qiu	qiu	PROPN
fcis-29986	79	5	lj	lj	PROPN
fcis-29986	79	6	,	,	PUNCT
fcis-29986	79	7	wu	wu	PROPN
fcis-29986	79	8	mh.a	mh.a	PROPN
fcis-29986	79	9	review	review	PROPN
fcis-29986	79	10	of	of	ADP
fcis-29986	79	11	phm	phm	PROPN
fcis-29986	79	12	technology	technology	NOUN
fcis-29986	79	13	framework	framework	NOUN
fcis-29986	79	14	and	and	CCONJ
fcis-29986	79	15	its	its	PRON
fcis-29986	79	16	key	key	ADJ
fcis-29986	79	17	technologies[j	technologies[j	NOUN
fcis-29986	79	18	]	]	PUNCT
fcis-29986	79	19	.	.	PUNCT
fcis-29986	80	1	foreign	foreign	ADJ
fcis-29986	80	2	electronic	electronic	ADJ
fcis-29986	80	3	measurement	measurement	NOUN
fcis-29986	80	4	technology,2018,37(02):10	technology,2018,37(02):10	NOUN
fcis-29986	80	5	-	-	PUNCT
fcis-29986	80	6	15	15	NUM
fcis-29986	80	7	.	.	PUNCT
fcis-29986	81	1	[	[	X
fcis-29986	81	2	4	4	NUM
fcis-29986	81	3	]	]	X
fcis-29986	81	4	c.h	c.h	PROPN
fcis-29986	81	5	.	.	PROPN
fcis-29986	81	6	hu	hu	PROPN
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