Wheel speed control system incorporating in-gear vibration detec

Details Wheel speed control system incorporating in-gear vibration detec Wheel speed control system incorporating in-gear vibration detec

1987-09-25

1989-10-17

Lall, Parshotam S.

Boots, shoes, and leggings

36442601, 36442602, 36455101, 364566, 73593, 73496, G01H 1100, G01M 1302

Patent

active

048751715

ABSTRACT:
A wheel speed control system incorporating in-gear vibration detection and elimination means for use in a vehicle includes wheel speed detectors for detecting the speed of a wheel, a wheel speed control section such as an antiskid control and/or brake traction control, an in-gear wheel speed control section, and an in-gear vibration detector. When the speed of a drive wheel deviates excessively from the speed of the vehicle as measured by a non-drive wheel, the wheel speed control is operated to control the speed of the drive wheel to become nearly equal to the vehicle speed. A differential circuit is provided for taking a second order differential excess the reference level, indicating that the in-gear vibration is present, the in-gear vibration detector generates as in-gear vibration signal, which substitutes the in-gear wheel speed control for the wheel speed control to eliminate the in-gear vibration possibly caused by the wheel speed control.

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