Pre One:Qiang Yang*, Shujun Li and Hongguang Wang. Determination of the maximal singularity-free zone in the whole workspace of 3-RRR planar parallel mechanism. The 5th Annual IEEE International Conference on Cyber Technology in Automation, Control and Intelligent Systems, Shenyang, China, June 8-12, 2015, 59-94. EI检索,EI:20161402187674