PID control method with variable tuning parameters in the digitized engine test systems is presented.

开发了一种用于数字化发动机试验控制系统中调谐系数可调的PID控制方法。

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Comparison of conventional PID control, variable time-varying parameters of PID controller has better control effect for a large time-delay.

对比常规pid控制，变参数PID控制器对时变大时滞对象有较好的控制效果。

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Firstly, it is the variable parameter PID which is able to adjust PID parameters online to improve the control performance through non-linear function according to the bias;

第一种，引入非线性函数根据偏差大小在线调节PID参数来提高控制性能的变参数PID；

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