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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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基于低帧频CCD的快速反射镜系统控制(英)
, PP. 857-862
Keywords: 复数零点,低频采样,带宽,延迟
Abstract:
低频采样和延迟对光电成像跟踪系统会带来严重的相位滞后,极大地限制了系统闭环带宽和跟踪精度的提高.零极点对消法虽可以抑制对象谐振而扩大系统带宽,但必须依赖精确的数学模型和较高的采样频率.分析了复数零点PID控制器在低频采样的FSM控制系统中的应用,可以获得较好的闭环性能而且可以避免零极点对消法无法单独应用于低频采样的跟踪系统的问题.采用200Hz帧频的CCD对此方法进行了实验验证,实验结果证明满足设计要求.
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