7Zhao Li-iun, Liu Tao, Song Bao -yu. Optimum design of automobile diaphragm[C]//IEEE Vehicle Power and Propulsion Conference ( VPPC), Harbin, China, 2008 : 1- 4.
8Sun Yi lan, Liu Hong-yi, I.uo Zhong, et al. Robot me ehanical structure optimization design[C] // Proceedings of the 2007 IEEE International Conference on Robotics and Biomimetics, Sanya, China, 2007 : 1919 -1923.