LAMOST光纤定位单元控制误差分析及补偿

Analysis and Compensation for Control Error of LAMOST Fiber Positioning Unit

简介了LAMOST光纤定位单元的结构及控制系统原理 ,对定位单元控制误差进行了分析 。

The structure of LAMOST fiber positioning unit and the principle of control system are simplely introduced. The control errors of positioning unit are analyzed, and the profile error of worm gear in the transmission system are compensated by means of the open loop compensation method.