Device for controlling engine intake throttle for turn stability

Details Device for controlling engine intake throttle for turn stability Device for controlling engine intake throttle for turn stability

1997-03-11

1999-07-27

Hurley, Kevin

Motor vehicles

With means for detecting wheel slip during vehicle...

701 72, B60K 4100

Patent

active

059274212

ABSTRACT:
A device for controlling intake throttle of an engine of a vehicle having: a means for estimating an instability quantity representative of turning instability of the vehicle; a means for estimating lateral acceleration of the vehicle; a means for estimating friction coefficient of road surface; a means for estimating a brake limit of a pair of drive wheels based upon the lateral acceleration and the road surface friction coefficient; a means for estimating an engine brake torque limit based upon the brake limit of the pair of drive wheels of the vehicle and the instability quantity; a means for estimating a target intake throttle value corresponding to the engine brake torque limit; and a means for attenuating intake throttling of the engine to the target intake throttle value when the intake throttling is tighter than the target intake throttle value.

REFERENCES:
patent: 5014809 (1991-05-01), Matsuda
patent: 5276624 (1994-01-01), Ito et al.
patent: 5576959 (1996-11-01), Hrovat et al.
patent: 5749062 (1998-05-01), Yamamoto et al.
patent: 5822709 (1998-10-01), Fujita

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