System for controlling the stability of a vehicle using...

Details System for controlling the stability of a vehicle using... System for controlling the stability of a vehicle using...

2007-05-29

2007-05-29

Tran, Dalena (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Indication or control of braking, acceleration, or deceleration

C180S197000, C303S146000

Reexamination Certificate

active

11039675

ABSTRACT:
System for controlling the stability of a vehicle, the system comprising means for imparting a longitudinal force to the tire and means for calculating a slip GOptby determining the values of the coefficient of friction μi, for each slip Gicorresponding to successive levels “i”, using in parallel “n” calculation algorithms each determining a target value of the slip making it possible thus to obtain as many target values GCnas there are algorithms used, the system selecting the best of the target values GCnas the optimum slip value GOptby subjecting the “n” target values GCnto comparisons aimed at eliminating the least likely target values, the comparisons being made on the basis of a function f(λ) of a descriptor of the physical functioning of the rotation of the tire on the ground making it possible to calculate characteristic values. For example, one interesting characteristic value is the variation in G with respect to time.

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