Servo control apparatus

Details Servo control apparatus Servo control apparatus

1989-08-14

1991-06-18

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

Adaptive or optimizing systems including 'bang-bang' servos

318590, 318611, 318626, 318563, 244175, 244194, 91 35, 60413, 13762569, G05B 1300

Patent

active

050251996

ABSTRACT:
A servo control apparatus comprising: a unit for generating a required position value; an actuator adapted to drive a load and having its maximum displacement in one direction and its minimum displacement in the other direction; a drive unit for driving the actuator; a position detecting unit for detecting a displacement of the actuator; and a control unit for correcting the required position value on basis of the maximum and minimum displacements of the actuator and for computing a deviation between an output of the position detecting unit and the corrected required position value; the load being controlled by the deviation.

REFERENCES:
patent: 4546426 (1985-10-01), Hafner et al.
patent: 4596177 (1986-06-01), Biafore
patent: 4612489 (1986-09-01), Gunda
patent: 4630441 (1986-12-01), Chamberlain
patent: 4671166 (1987-06-01), Glaze et al.
patent: 4827981 (1989-05-01), Livecchi et al.

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