Method for increasing the driving stability of a motor vehicle
First Claim
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1. A method for providing directional stability for a motor vehicle by influencing a yaw torque of the vehicle, the method comprising the acts of:
- determining a stabilizing yaw torque using a model-supported pilot control, wherein at least one of lateral dynamics and yaw dynamics are decoupled from the longitudinal dynamics; and
applying the stabilizing yaw torque to the motor vehicle to influence the yaw torque of the vehicle.
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Abstract
A method for increasing the directional stability of a motor vehicle is provided, as well as a corresponding device, and a corresponding computer program product. A model-supported pilot control is used to determine a stabilizing yaw torque, which is applied to the motor vehicle to influence the yaw torque of the motor vehicle.
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Citations
25 Claims
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1. A method for providing directional stability for a motor vehicle by influencing a yaw torque of the vehicle, the method comprising the acts of:
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determining a stabilizing yaw torque using a model-supported pilot control, wherein at least one of lateral dynamics and yaw dynamics are decoupled from the longitudinal dynamics; and applying the stabilizing yaw torque to the motor vehicle to influence the yaw torque of the vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for providing directional stability for a motor vehicle by influencing a yaw torque of the vehicle, the method comprising the acts of:
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determining a stabilizing yaw torque using a model-supported pilot control; and applying the stabilizing yaw torque to the motor vehicle to influence the yaw torque of the vehicle;
whereinusing the model-supported pilot control includes performing a pilot control method, and wherein an effective steering angle, a vehicle reference velocity, and a value for a longitudinal acceleration are used as input variables for the pilot control method. - View Dependent Claims (14, 15)
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16. A method for providing directional stability for a motor vehicle by influencing a yaw torque of the vehicle, the method comprising the acts of:
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determining a stabilizing yaw torque using a model-supported pilot control; and applying the stabilizing yaw torque to the motor vehicle to influence the yaw torque of the vehicle;
whereina setpoint yaw rate is determined from a driver-preset steering angle and the setpoint yaw rate is used to calculate at least one differential value, wherein the differential value is calculated via an inverse single-track model into at least one of an angle value and a torque value and via an inverse expanded single-track model into at least one of an angle value and a torque value. - View Dependent Claims (17)
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18. A method for providing directional stability for a motor vehicle by influencing a yaw torque of the vehicle, the method comprising the acts of:
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determining a stabilizing yaw torque using a model-supported pilot control; and applying the stabilizing yaw torque to the motor vehicle to influence the yaw torque of the vehicle, wherein at least one of a proportional differential variable and a differential variable amplified using a PID regulator is used as a control signal for the stabilizing yaw torque in the model-supported pilot control.
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19. An apparatus for providing directional stability for a motor vehicle by influencing a yaw torque of the motor vehicle, the apparatus comprising:
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means for performing a model-supported pilot control to determine a stabilizing yaw torque, including using as input variables an effective steering angle, a vehicle reference velocity and a value for a longitudinal acceleration; and at least one actuator for transmitting at least one output signal corresponding to the model-supported pilot control to influence the yaw torque of the motor vehicle.
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20. An apparatus for providing directional stability for a motor vehicle by influencing a yaw torque of the motor vehicle, the apparatus comprising:
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means for performing a model-supported pilot control to determine a stabilizing yaw torque; at least one actuator for transmitting at least one output signal corresponding to the model-supported pilot control to influence the yaw torque of the motor vehicle; and means for providing permanent and nonvolatile storage of a single-track model, an inverse single-track model, and an inverse expanded single-track model, wherein longitudinal-dynamic influences on lateral dynamics and yaw dynamics of the motor vehicle are simulated in the expanded single-track model. - View Dependent Claims (21)
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22. A computer program product, which comprises a computer-readable medium containing instructions for controlling a system to influence a yaw torque of a motor vehicle, the system operable to execute the instructions, the instructions comprising:
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instructions for obtaining at least one input variable from at least one of a sensor system, a regulating system, and a driver assistance system; and instructions for applying an additional stabilizing yaw torque to influence the yaw torque of the motor vehicle, wherein the additional stabilizing yaw torque is applied based on a model-supported pilot control and a processing of the at least one input variable, the model-supported pilot control including performing a pilot control method using as input variables an effective steering angle, a vehicle reference velocity, and a value for a longitudinal acceleration. - View Dependent Claims (23, 24)
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25. A method for providing directional stability for a motor vehicle by influencing a yaw torque of the vehicle, the method comprising the acts of:
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determining a stabilizing yaw torque using a model-supported pilot control; and applying the stabilizing yaw torque to the motor vehicle to influence the yaw torque of the vehicle, wherein the model supported pilot control consists of at least one of user driver inputs, longitudinal dynamic variables and yaw axis variables.
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Specification