Electricity: motive power systems – Positional servo systems – Pulse-width modulated power input to motor
Patent
1978-09-25
1981-09-08
Truhe, J. V.
Electricity: motive power systems
Positional servo systems
Pulse-width modulated power input to motor
318609, G05B 1128
Patent
active
042887305
ABSTRACT:
A system for effecting the adjustment of the armature of a solenoid into a desired position as indicated by an input analog signal representation of desired armature position. When the actual position of the solenoid armature does not correspond to the desired position in a first or in a second relationship, respective mutually exclusive first and second proportional and respective corresponding mutually exclusive first and second integral error signals are produced. The corresponding proportional and integral error signals are summed and circuitry responsive to the sum of these signals effects the adjustment of the solenoid armature into the desired armature position.
REFERENCES:
patent: 2946943 (1960-07-01), Nye et al.
patent: 3805099 (1974-04-01), Kelly
patent: 3870931 (1975-03-01), Myers
patent: 3979654 (1976-09-01), Guicheteau et al.
General Motors Corporation
Indyk Eugene S.
Stahr Richard G.
Truhe J. V.
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