id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
asir-55813	Liu, Yi; Wang, Zhou; Xiang, Xiaohan	Research on the Design and Application of Intelligent Retractable Canopy for Buses	2025	12	.pdf	application/pdf	4524	178	34	In order to verify the actual performance of intelligent retractable canopies, a total of 12 buses (6 installed with intelligent canopies and 6 as a control group) from 3 bus lines in a city were selected for a 6-month field test in this study. Firstly, the necessity of intelligent retractable canopy design is put forward by analysing the limitations of existing buses and market demand.	cache/asir-55813.pdf	txt/asir-55813.txt