Patent ID: 6431663
Filing Date: 2002-08-13
Classification: B60T

Abstract:
A method of improving the control behavior of an anti-lock brake system adapted for active braking intervention, wherein a vehicle reference speed is derived from the rotational behavior of the vehicle wheels and criteria for identifying a cornering situation and the direction of a bend are produced, comprising the steps of:detecting a cornering event by analyzing the rotational behavior of the vehicle wheels, simultaneously determining if deceleration of the vehicle occurs, with no brake applied, determining if a critical slip condition indicating veering of the vehicle or a bend limit range is satisfied, and commencing a special control by introducing braking pressure at least into the wheel brake of the bend-outward front wheel provided the above determinations yielded positive results wherein the occurrence of a higher brake slip on the bend-outward rear wheel in comparison with the bend-outward front wheel is assessed as a critical slip condition wherein for identifying a situation with higher brake slip on the bend-outward rear wheel in comparison with the bend-outward front wheel, the wheel with the instantaneously highest rotational speed is determined on the basis of filtered wheel speed signals.