Motor vehicle traction system control oscillation damping method

Details Motor vehicle traction system control oscillation damping method Motor vehicle traction system control oscillation damping method

1995-05-30

1997-02-11

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Speed-controlled

Odd condition or device detection

303139, 303169, B60T 832, B60K 2816

Patent

active

056013477

ABSTRACT:
A method for electronic traction systems using brake intervention on the low-adhesion wheel damps and thereby substantially avoids the undesired traction control oscillations, such as pull-away tramping and drive train oscillations. In particular, an interchange of the low-adhesion wheel to be controlled from one driving wheel to the other is undertaken only when the rotational speed of the previous high-adhesion wheel is greater by a certain amount than that of the previous low-adhesion wheel and when there is no longer any controlling brake pressure at the latter. Also or in addition, the threshold value for the activation of the brake intervention is set to increase traction dynamically by suitably raising the threshold value when drive train oscillation behavior is recognized.

REFERENCES:
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patent: 4571010 (1986-02-01), Dittner et al.
patent: 4701855 (1987-10-01), Fennel
patent: 4967866 (1990-11-01), Maehars
patent: 5193889 (1993-03-01), Schaefer et al.
patent: 5267784 (1993-12-01), Muller et al.
Ausgebremst, Auto-Motor-Sport Test & Technik, 3 pages.
Antriebsschlupfregelung im IRVW 3 (ASR), Bernd-Guido Schulze et al., Automobil-Industrie Feb. 1986, pp. 137-143.

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