Servo loop PID compensator with embedded rate limit

Details Servo loop PID compensator with embedded rate limit Servo loop PID compensator with embedded rate limit

2005-03-22

2005-03-22

Martin, David (Department: 2837)

Electricity: motive power systems

Positional servo systems

'reset' systems

C318S609000, C318S560000, C318S568220, C700S042000

Reexamination Certificate

active

06870345

ABSTRACT:
This invention describes a reconfigured form of the PID compensator such that the rate of change of the position error is inherently limited without affecting the performance of the servo loop when the position error is small. The technique described here maintains the performance of the conventional PID compensator when the position error is close to zero, which is the operating point of primary interest.

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