Vibration detection and control for a vehicle drivetrain

Details Vibration detection and control for a vehicle drivetrain Vibration detection and control for a vehicle drivetrain

1997-09-09

2000-06-06

Ro, Bentsu

Electricity: motive power systems

Positional servo systems

Antibacklash systems

318611, 318139, G05B 501

Patent

active

060722975

ABSTRACT:
The present invention provides vibration control for a vehicle drivetrain. In one embodiment of the present invention, a vibration control method comprises generating a speed signal representing a rotational speed of the drivetrain. The method further includes half-wave rectifying the speed signal to generate a first signal. Also, the method comprises inverting the speed signal and half-wave rectifying the inverted signal to generate a second signal. Also, the method includes low-pass filtering the first signal to generate a third signal and low-pass filtering the second signal to generate a fourth signal. In addition, the method comprises selecting a minimum of the third and fourth signals to generate a fifth signal.

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