Desigh of a control system of newtype cleaning robots for photovoltaics
YAN Jiu-xiang, WANG Ya-li, WEI Pan-pan, ZHANG Guo-hui, JI Fang
SHANDONG SCIENCE . 2017, (4): 112 -117 .  DOI: 10.3976/j.issn.1002-4026.2017.04.018