Traction control system for controlling slip in a driving wheel

Details Traction control system for controlling slip in a driving wheel Traction control system for controlling slip in a driving wheel

1990-01-10

1992-02-04

Marmor, Charles A.

Motor vehicles

With means for detecting wheel slip during vehicle...

36442602, B60K 3100

Patent

active

050852884

ABSTRACT:
A device for detecting a bad or bumpy road from a moving vehicle includes a plurality of wheel speed detectors for detecting the corresponding wheel speeds of a plurality of different wheels, an arithmetic circuit for calculating a difference between values detected in the individual wheel speed detectors, a filter, receiving outputs from the arithmetic circuit, for processing only components in a predetermined frequency band, and a determination circuit for determining if a vehicle is travelling on a bad road based on outputs from the filter. The device easily detects a bad road from a moving vehicle on the basis of outputs from said wheel speed detectors, without being affected by instantaneous variation in the wheel speeds.

REFERENCES:
patent: 4432430 (1984-02-01), Lind et al.
patent: 4538700 (1985-09-01), Suzuki
patent: 4552241 (1985-11-01), Suzuki
patent: 4669569 (1987-06-01), Suzuki et al.
patent: 4701855 (1987-10-01), Fennel

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