一种基于δ算子的自校正滑动极点配置跟踪控制器

An Pole shift Placement Controller and Self tuning Regulator with Better Set point Tracking Using δ operator

考虑到被控对象时变特点，以及当采样频率较高时，由ｑ算子描述的离散模型所具有的缺陷，本文设计了一种基于δ算子的自校正滑动极点配置跟踪控制器，并给出了对比仿真结果。结果显示，在有噪扰及未建模因素的情况下，本文所设计的控制器能更有效的抑制噪扰，具有更好的跟踪及控制性能。

The problem of fixed pole placement controller and self tuning regulator with better setpoint tracking is considered in the case of distinct changes of the controlled system.A pole shifting placement controller with δ operator models is proposed in this paper.The δ operator models have close connections with the original continuous time versions,and reflects the frequency and dynamic response of the controlled system more accurately and conveniently.The pole shifting control technique increases the flexibility of the controller when the controlled system is time varying,and maintain control performance after distinct changes of the controlled system.The new controller is compared with the one that use fixed pole placement with q operator models.Simulation results show the former restrains the noise more effectively,and have better tracking and control performance.