Second order P control

Cuthbert Nyack
Second order system with P control. With this type of control only one variable is controllable. If the gain of the controller is increased to speed up the response, then the oscillatory character of the transient behaviour also increases.

The unit input step is shown as the purple line. The output response is shown in red. The horizontal axis corresponds to 8 seconds.

Second order system with P control and noise.

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COPYRIGHT 1996 Cuthbert A. Nyack.