Hybrid analog/digital vibration control system

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

1996-11-15

1998-11-24

Kuntz, Curtis A.

Electrical audio signal processing systems and devices

Acoustical noise or sound cancellation

Counterwave generation control path

A61F 1106

Patent

active

058418768

ABSTRACT:
A vibration control system includes a processor-based circuit which monitors and controls an analog vibration control circuit. The system include, 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), Swinbanks
patent: 4739513 (1988-04-01), Kunugi et al.
patent: 5105377 (1992-04-01), Ziegler et al.
"Recursive Algorithms for Active Noise Control", L. J. Ericksson International Symposium on Active Control of Sound and Vibration, pp. 137-146, April 9-11, Tokyo, Japan.

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