Hybrid analog/digital vibration control

Details Hybrid analog/digital vibration control Hybrid analog/digital vibration control

1995-01-30

1997-07-15

Kuntz, Curtis

Electrical audio signal processing systems and devices

Acoustical noise or sound cancellation

Counterwave generation control path

A61F 1106, H03B 2900

Patent

active

056490186

ABSTRACT:
A vibration control system includes a processor-based circuit which monitors and controls an analog vibration control circuit. The system includes a sensor to detect the undesirable vibrations and a synchronous pulse generator for determining the fundamental frequency of the vibrations emitted by the source. An actuator produces anti-noise to counter unwanted vibrations. The processor circuit tests the system, monitors system functions, and adjusts various parameters to provide optimal performance.

REFERENCES:
patent: 4423289 (1983-12-01), Winbanks
patent: 4739513 (1988-04-01), Kunugi et al.
patent: 4839542 (1989-06-01), Robinson
patent: 4862506 (1989-08-01), Landgarten et al.
patent: 5032776 (1991-07-01), Garagnon
patent: 5105377 (1992-04-01), Ziegler, Jr.
Dorf, Richard C., Modern Control Systems, 1987, pp. 2-3 1987.

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