METHOD FOR SETTING A WHEEL TORQUE IN A VEHICLE
First Claim
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1. A method for setting a wheel torque in a vehicle, comprising:
- for at least one wheel on one vehicle axle, ascertaining a setpoint value for a slip-adhesion coefficient gradient or a correlated variable and setting the wheel torque in such a way that an actual value of the slip-adhesion coefficient gradient is approximated to the setpoint value; and
ascertaining the slip-adhesion coefficient gradient from a wheel slip of one wheel and an adhesion coefficient as a quotient of longitudinal force to vertical force at the wheel.
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Abstract
In a method for setting a wheel torque in a vehicle, a setpoint value for a slip-adhesion coefficient gradient for one wheel of one vehicle axle is ascertained, and the wheel torque is set in such a way that the actual value of the gradient is approximated to the setpoint value.
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Citations
10 Claims
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1. A method for setting a wheel torque in a vehicle, comprising:
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for at least one wheel on one vehicle axle, ascertaining a setpoint value for a slip-adhesion coefficient gradient or a correlated variable and setting the wheel torque in such a way that an actual value of the slip-adhesion coefficient gradient is approximated to the setpoint value; and ascertaining the slip-adhesion coefficient gradient from a wheel slip of one wheel and an adhesion coefficient as a quotient of longitudinal force to vertical force at the wheel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A regulating or control device for setting a wheel torque in a vehicle, the device comprising an arrangement for performing the following:
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for at least one wheel on one vehicle axle, ascertaining a setpoint value for a slip-adhesion coefficient gradient or a correlated variable and setting the wheel torque in such a way that an actual value of the slip-adhesion coefficient gradient is approximated to the setpoint value; and ascertaining the slip-adhesion coefficient gradient from a wheel slip of one wheel and an adhesion coefficient as a quotient of longitudinal force to vertical force at the wheel.
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Specification