Servo controller

Details Servo controller Servo controller

1996-06-06

1998-09-29

Masih, Karen

Electrical generator or motor structure

Dynamoelectric

Rotary

318560, 318561, 318254, 318138, 318439, 318814, 318693, 318671, 318652, 318632, 31856822, G05B 1929

Patent

active

058149627

ABSTRACT:
A servo controller for servo-controlling an operative device, the servo controller is provided with an actuator having a motor for actuating the operative device; a sensor for detecting an operational state of the operative device; a comparator for receiving a detected operational state of the operative device from the sensor and comparing the detected operational state with a target operational state to produce a control signal; and a driver provided between the actuator and the comparator for driving the actuator in accordance with the control signal, the driver including a negative impedance circuit with respect to the actuator.

REFERENCES:
patent: 3844196 (1974-10-01), Taylor et al.
patent: 5001770 (1991-03-01), Losic et al.
patent: 5182685 (1993-01-01), Krause et al.
patent: 5315219 (1994-05-01), Kishi
patent: 5495161 (1996-02-01), Hunter
patent: 5612602 (1997-03-01), Kubota et al.
Tanaka and Yoshida, "Active Servo Technology", Oct. 1990, Japanese Publication: Yamaha YST-SW 1000 Super Woofer Tone Quality, pp. 1-3,--Radio Technology--p. 91.

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