School of Mechatronic Engineering,Beijing Institute of Technology,Beijing 100081,China;
Lu’nan Research Institute of Beijing Institute of Technology,Tengzhou,Shandong 277500,China;
The 31st Research,Third Academy of CASIC,Beijing 100074,China;
State Key Laboratory of Intelligent Manufacturing System Technology for Complex Products,Beijing Institute of Electronic Engineering,Beijing 100854,China;
center of gravity(COG); supporting reaction method; required sensor precision(RSP)surface; accuracy analysis; parameter design;