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中文摘要：
给出了一种微型天线伺服系统保主导极点配置PID控制器设计方法。首先,针对伺服系统的动态方框图模型,将其划分为电流环、速度环和位置环3个设计环节。然后,通过引入前置滤波器,根据主导极点配置PID控制器设计方法,设计了每个环节的控制器参数,使之满足期望的性能指标要求。仿真结果表明,所设计的伺服控制器能够保证系统对给定位置信号具有良好的跟踪能力,对负载扰动和模型不确定性具有良好的鲁棒性,满足对高性能微型天线伺服系统的控制要求。
英文摘要：
An approach of designing PID controllers guaranteed dominant pole placement for miniaturized antenna servo system was proposed.First,the servo system was divided into three closed loops including current loop,speed loop and position loop according to the dynamic block diagram of it.Then,by introducing a pre-filter,the controller parameters corresponding to each loop were designed on the basis of dominant pole placement algorithm,which satisfied the desired performance specifications.Simulation results showed that the designed controllers can guarantee good tracking ability for given position signals and strong robustness to load disturbances and model uncertainties.The proposed design approach can satisfy the control requirements for high-performance miniaturized antenna servo system.
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