Title:
VIBRATION OR NOISE REDUCING DEVICE FOR VEHICLE
Document Type and Number:
Japanese Patent JPH05172182
Kind Code:
A
Abstract:
PURPOSE: To shorten a time to reach the minimum, as for vibratin or noise of a vehicle.
CONSTITUTION: Vibration of steering at idle running is decreased by vibrating a radiator 1 by means of a first and a second exciting machines 7,8. Only the phase and the amplitude of the first exciting machine 7 are controlled by feedback so as to minify the vibration of steering, and the phase and the amplitude of the second exciting machine 8 is obtained by adding optimum phase difference and optimum amplitude difference respectively to the phase and the amplitude of the first exciting machine 7.
Inventors:
NAGANO MAKOTO
Application Number:
JP34485691A
Publication Date:
July 09, 1993
Filing Date:
December 26, 1991
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
B60K5/00; F16F15/02; G05D19/02; (IPC1-7): B60K5/00; F16F15/02; G05D19/02
Attorney, Agent or Firm:
Aoki Akira (4 outside)