Servo control apparatus

Details Servo control apparatus Servo control apparatus

1990-09-10

1992-02-25

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

Adaptive or optimizing systems including 'bang-bang' servos

31856811, 31856821, 31856822, 364151, G05B 1300

Patent

active

050916831

ABSTRACT:
A servo control apparatus controls an object according to a target position signal and a detected position signal and drives the object according to a drive torque signal. The servo control apparatus includes an observer receptive of the drive torque signal and the detected position signal which determines an estimated disturbance torque in response thereto. A function unit produces an error command signal dependent on the estimated disturbance torque. The error command signal is successively subtracted from the target position signal to set a temporary position signal which is effective to impart a mechanical compliance to the control object.

REFERENCES:
patent: 4696167 (1987-09-01), Matsui et al.
patent: 4874998 (1989-10-01), Hollis, Jr.
patent: 4943759 (1990-07-01), Sakamoto et al.

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