Adaptive servomotor controller

Details Adaptive servomotor controller Adaptive servomotor controller

1984-05-14

1985-09-10

Dobeck, B.

Electricity: motive power systems

Positional servo systems

Adaptive or optimizing systems including 'bang-bang' servos

318631, G05B 1300, G05B 1101

Patent

active

045409234

ABSTRACT:
The gain of a servomotor driven process control system is adaptively compensated for changes in the motor coulomb friction torque. The gain is manually adjusted at the time of installation. Thereafter, the minimum motor current occurring in a process cycle is identified, and the gain is automatically adjusted if the identified minimum motor current changes over time, indicating a change in the motor coulomb friction torque. As a result, the level of response stability achieved at the time of installation is maintained despite changes in the motor coulomb friction torque.

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