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应用先进的Ｈ∞控制理论，提出一种用ＬＭＬ方法设计多输入－多输出系统的ＰＩＤ控制器 参数的方法．用该方法设计出的控制器是由多个单输入－单输出的ＰＩＤ控制器组成，而不是多变 量耦合的ＰＩＤ控制器．试验证明，用该方法设计出的Ｈ∞ＰＩＤ控制器控制效果较好，鲁棒性较强．
Applying the advanced H∞ control theory, a method of designing the PID controller parameters of a multi-input-multi-output system by using the LML method is proposed. Instead of a multivariable coupled PID controller, a controller designed with this approach consists of multiple single-input-single-output PID controllers. Experiments show that the H∞ PID controller designed by this method has good control effect and strong robustness.