IMC-PID鲁棒自适应控制仿真研究及其在电站锅炉水质调节中的应用

A simulation study of robust adaptive IMC-PID control algorithm and its application to the boiler-water quality adjustment in power plant

依据控制系统的误差变化情况和系统动态响应状态之间的关系,定义了参数自适应调整的性能指标,由此建立了IMC-PID参数自适应鲁棒控制方法。仿真结果表明,该方法简单有效,方便可行,具有良好的鲁棒稳定性和动态特性。在电站水质调节过程中的应用,获得了良好的控制品质。

This paper gives a definition of a performance index for the parameter adaptive adjustment according to the relation between the error change and the dynamic response of controlled system. In accordance with this defined index, a robust adaptive adusting method for the IMC - PID control parameter is established. The simulation shows that this method is provided with robust stability and dynamic property. It is simple, effective, convenient and practical. A good control quality has been obtained from its application to the boiler water quality adjustment in power plant.