分析了预测函数控制在具有参数饱和限制环节的伺服系统中的实施算法。
The paper analyses the implemented algorithm of the predictive functional control in servo system with tache of restrictive saturated parameters.
详细分析了预测函数控制在具有参数饱和限制环节和滞后的机电伺服系统中的实施算法，分析了系统的闭环性能，并得到了其稳定鲁棒性条件。
The paper analyses the implementary arithmetic in the servo system with saturation and lag segment, and analyses the performance of the close loop to obtain the condition of stability and robustness.
方法选择微机控制的AC伺服系统，应用变结构控制方法：大误差，用饱和控制；
Methods The microcomputer controlled AC servo system was selected and different control rules were applied, depending on the error value: when error was large, the saturation control was adopted;
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