6Totsten B, Ulrich S, Norbert E, et al. Service Robots for Facade Cleaning [C]//Proceedings of the 24th Annual Conference of the IEEE Industrial Electron- ics Society. Aachen, Germany, 1998: 1204-1207.
7Hillenbrand C, Schmidt D, Berns K. CROMSCI: De velopment of a Climbing Robot with Negative Pres sure Adhesion for Inspections[J]. Industrial Robot an International Journal, 2008,35 (3) : 228-237.
8Qian Zhiyuan, Zhao Yanzheng, Fu Zhuang, et al. De- sign and Realization of a Non--actuated Glass--cur- tain Wall--cleaning Robot Prototype with Dual Suc- tion Cups [J]. International Journal of Advanced Manufacturing Technology, 2006,30(1) :147-155.
9Wu Shanqiang, Li Mantian, Xiao Shu, et al. A Wire- less Distributed Wall Climbing Robotic System for Reconnaissance Purpose [ C]//Proceedings of the 2006 IEEE International Conference on Mechatron- ics and Automation. Luoyang, China, 2006: 1308-1312.
10Young K S,Chang M L,Ig M K,et al. Development of Wall Climbing Robotic System for Inspection Purpose[C]//2008 IEEE/RSJ International Confer- ence on Intelligent Robots and Systems. Nice, France : IEEE, 2008 : 1990-1995.