介绍用于光电稳定的粗精组合稳定系统的工作原理.根据快速反射镜的不同结构,对系统模型提出两种假设,在此基础上,对系统的频域特性、稳定性等进行分析,得出结论:组合稳定控制系统的性能主要取决于主、子系统的带宽比及组合控制器K的选择.%The principle of coarse and fine combined stabilization control system for optoelectronic stabilization platform was introduced. Two assumptions of the systematic model were proposed according to the different structures of the fast steering mirror (FSM). Based on the two assumptions, the frequency character and stability of system were deeply analyzed. Results show that the performance of the combined stabilization control system is mostly depended on the bandwidth ratio of the major to the sub-system and the choice of the combined controller K.
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