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											| 8. Leibin Yu, Qixin Cao, Changyong Li, and Changwu Qiu, Leibin Yu, Qixin Cao, Changyong Li, and Changwu Qiu, On-line Planning of Nonholonomic Mobile Manipulators Based on Stability Twist Constraint , J. of the Braz.Soc.of Mech.Sci.&Eng. April-June 2010 ,Vol.XXXII, No.2, pp.165-170. |  |  | 
		
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											| 12. Fei Shi, Qixin Cao, Chuntao Leng, and Hongbing Tan, Fei Shi, Qixin Cao, Chuntao Leng, and Hongbing Tan, On Force Sensing-Controlled Human-Machine Interaction System For Walking Assistant Robot, , Proceedings of the 8th Woeld Congress on Intelligent Control and Automation, July 6-9 2010, pp. 6528 |  |  |