Anti-lock brake control system for motor vehicle with facility for discriminating vibrations of driving wheels thereof
US5952564A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 19, 1997 |
| Grant date | Sep 14, 1999 |
| Priority date | — |
| Expiry date | May 19, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T2210/14
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An anti-lock brake control system for motor vehicle which can determine vibrations of wheel speed brought about by rough-road condition and judder phenomenon by detecting a torque applied to a driving shaft of the motor vehicle in association with driving wheels without need for estimating a coefficient of friction of a road surface, to thereby improve and enhance the performance of the anti-lock brake control for the motor vehicle. Whether vibration of the driving wheel is brought about by a judder phenomenon or by a rough-road condition is decided on the basis of predetermined relations between the vibration state of the driving wheel and that of the torsion torque applied to the driving shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.