将偏差的比例（Proportion）、积分（Integral）和微分（Differential）通过线性组合构成控制量，用这一控制量对被控对象进行控制，这样的控制器称PID控制-The proportion of deviation (Proportion), points (Integral) and differential (Differential) constituted by a linear combination of the control volume, use this control to control the amount of the controlled object, such as PID control, said controller