Study on the position of space manipulator´s locked points

In order to ensure space manipulator operates safely and reliably, dependable locking and fixing is necessary before launching. Thus, locking and fixing of space manipulator is extremely important. Optimized number and position of locked points are needed while locking and fixing. Based on the number of manipulator´s locked points and position´s disposal method and finite theory, the system first-order natural frequency´s transformation tendency during adding different varieties of manipulator arms´ locked points were analyzed. Adding method of different varieties of arm locked points was ascertained. The study result has directive meaning for similar locked problem.