Controlling apparatus for positioning

Details Controlling apparatus for positioning Controlling apparatus for positioning

1983-06-16

1985-05-28

Dobeck, B.

Electricity: motive power systems

Positional servo systems

'reset' systems

318603, 364161, G05B 1136

Patent

active

045203016

ABSTRACT:
In a positioning control apparatus for use in a positioning device which operates in response to input pulses in accordance with the speed and the number of the pulses, a PI amplifier is connected in a control loop. The integral factor I of the PI amplifier is temporarily removed therefrom when a speed feedback signal more than a predetermined level is produced. As a result, hunting operation can be eliminated without the use of expensive semiconductor circuitry with excellent offset characteristics.

REFERENCES:
patent: 3748565 (1973-07-01), Wilson et al.
patent: 4408148 (1983-10-01), Herzog
patent: 4415966 (1983-11-01), Herzog
patent: 4422025 (1983-12-01), Steller

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