P, PD, PI, PID Control 2P T1T2 Parabola Response

Cuthbert Nyack
Applet shows the parabolic response of a type 0 system with P, PI, PD and PID control.

The amplified plots of the offset shows that for PI and PID controllers(system converted to type 1 by I controller), the offset increases linearly with time while for P and PD controllers(type 0), it increases "quadratically" in time.

Gif image below show how the applet should appear.

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COPYRIGHT 2006 Cuthbert Nyack.