Method for increasing the stability of a motor vehicle
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Abstract
In a method for increasing the driving stability of a vehicle during braking, compensation steering angles for a regulated and/or controlled steering system are calculated from several input parameters, so that the driving stability of the vehicle is increased by steering interventions. During the steering interventions at least two interference compensation portions for the compensation steering angles are taken into consideration in order to obtain a more comfortable control, from which an interference compensation portion is calculated on the basis of the vehicle course.
50 Citations
46 Claims
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1-23. -23. (canceled)
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24. A method for increasing the driving stability of a motor vehicle during braking, in which compensation steering angles for a controllable steering system are calculated from several input parameters, so that the driving stability of the motor vehicle is increased by steering interventions,
wherein in the steering interventions an interference compensation portion is considered in the calculation of the compensation steering angles on the basis of the driving condition of the vehicle.
- 39. An ABS control method in which a yaw behavior resulting from brake actuations with different brake pressures or forces on the single wheels, which is defined from the determined brake force difference, is at least in part compensated by the intervention of a controlled steering system, wherein in the steering interventions an interference compensation portion is considered in the calculation of the compensation steering angles on the basis of the driving condition of the vehicle.
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44. An ABS brake pressure control method for a two-axle, four-wheel vehicle with single-wheel control on at least one vehicle axle in which due to a different friction coefficient on the two vehicle sides a yaw behavior occurring during ABS control is compensated at least in part by calculating a compensation steering angle for steering control and superimposing it on the vehicle steering angle, comprising the steps of
admitting high pressure build-up gradients on a wheel with a high friction coefficient admitting pressure differences on the rear axle according to the relation
Δ- pHA=f({dot over (ψ
)},δ
Whl,v,ay). - View Dependent Claims (45)
- pHA=f({dot over (ψ
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46. A driving dynamic controller with at least an ESP and an ABS function being connected to a controller and/or a control for correcting the steering,
comprising a first determination unit for determining a steering angle required by the driver a second determination unit for determining an interference compensation steering angle on the basis of brake forces a third device for determining an interference compensation steering angle on the basis of the vehicle yaw behavior and a logic unit for linking the first and the second interference compensation steering angle with a compensation steering angle demand.
Specification