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Robust adaptive PI controllers for large dead-time processes with sensitivity specification

机译:鲁棒的自适应PI控制器,适用于具有灵敏度规格的大型停滞时间过程

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This paper presents a new technique of adaptive PI controller for large dead-time processes with sensitivity specification. On the basis of process input and output data of normal operation in the control loop, the important frequency responses of process are estimated with signal decomposition and Laplace analysis, and then a first-order plus dead-time model is identified for large dead-time processes. Finally PI control parameters are calculated to satisfy sensitivity specification. The adaptive procedure of PI controller does not need any prior knowledge of the process and previous controller while the control loop is still in the normal operation. Simulation examples are given to show both effectiveness and feasibility of the adaptive PI controller.
机译:本文提出了一种新的自适应PI控制器技术,该方法适用于具有灵敏度指标的大停滞时间过程。根据控制回路正常运行的过程输入和输出数据,通过信号分解和拉普拉斯分析估计过程的重要频率响应,然后为大停滞时间确定一阶加停滞时间模型流程。最终计算出PI控制参数以满足灵敏度指标。当控制回路仍处于正常运行状态时,PI控制器的自适应过程不需要任何有关过程和先前控制器的先验知识。仿真实例说明了自适应PI控制器的有效性和可行性。

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