id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
fuelectenerg-7195	Rufer, Alfred	A HIGH EFFICIENCY PNEUMATIC DRIVE SYSTEM USING VANE-TYPE SEMI-ROTARY ACTUATORS	2021	19	.pdf	application/pdf	6476	357	60	Key words: compressed air motor; energy efficiency; adiabatic expansion; compressed air energy storage; pneumatic actuators; motion rectifier 1. INTRODUCTION Renewable energy sources have been developed principally during the last decades of the 20th century and got their technical and economical maturity in the early years of the 21st. [12] S. Čajetinac, D. Šešlija, V. Nikolić, M, Todorović, “Comparison of PWM control of pneumatic actuator based on energy efficiency”, Facta Universitatis, Series: Electronics and Energetics, vol. 25, no. 2, pp.	cache/fuelectenerg-7195.pdf	txt/fuelectenerg-7195.txt