The basics of control system design: Tuning a controller (2)
Keywords: proportional controller DC stiffness PI controller DC error
[Summary of tips] The primary shortcoming of the P controller, tolerance of DC error, is readily corrected by adding an integral gain to the control law. This is why PI control is more preferred over P control.With PI control, the P gain provides similar operation to that in the P controller, and the I gain provides DC stiffness.However, the PI ......|
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