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

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

The amplified offsets in Yellow(P), Blue(PD), Pink(PI) and Light Green(PID) show that PI and PID controllers follow a ramp with constant offset at large times while P and PD controllers have an offset which increases linearly in time.

Gif image below show how the applet should appear.

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COPYRIGHT 2006 Cuthbert Nyack.