8SUN Jian-hui, SHAN Xiao-hang, ZHANG Xiu-jun, et al. Analysis and research on friction-free cylinder of modal testing suspension system [ C ]. Hangzhou: WSEAS, WSEAS Transactions on Systems, WSEAS Transactions on Circuits and Systems, et al, 2008:42-46.
9SUN Jian-hui, SHAN Xiao-hang, ZHANG Xiu-jun, et al. On electromagnetic force control technology of modal testing suspension system, Proceeding of the 27th Chinese Control Conference [ C ]. Kunming: Technical Committee on Control Theory, Chinese Associa- tion of Automation Kunming Univ Sci Technol, Yunnan Divisionetal, 2008:265-269.