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如何调整PID参数
更新时间: 2020-09-16 00:00:00  

PID控制器参数的步骤如下:

首先预选择一个足够短的采样周期让系统工作;仅加入比例控制环节,直到系统对输入的阶跃响应出现临界振荡,记下这时的比例放大系数和临界振荡周期;在一定的控制度下通过公式计算得到PID控制器的参数,PID参数的设定是靠经验及工艺的熟悉,参考测量值跟踪与设定值曲线,从而调整PID的大小。

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