Method and device for detecting an externally caused variable driving or braking a vehicle, especially such a moment
AssigneeContinental Teves AG & Co. oHG
InventorsAlfred Eckert, Jürgen Diebold
Life of this patent
Estimating the term…
Abstract
A method is described for determining an externally produced value, especially a momentum, accelerating or decelerating the vehicle, with the following steps: determination of the driving performance of the vehicle on the basis of a model, comparison of the model output values with the relative measuring values or values derived from this, and determination of the externally produced value according to the result of the comparison. The corresponding device includes a model of the driving performance of the vehicle, a comparator for model output values and measuring values or values derived from these and a device for determining the externally produced value according to the result of the comparison.
Claims13
Method for determining an externally produced value indicative of a force which accelerates or decelerates a vehicle, said vehicle including a vehicle speed sensor, comprising the steps of:
- determining an internal motor torque that is accelerating the vehicle,
- determining at least one of a motor and brake torque that is decelerating the vehicle,
- determining an estimated vehicle speed from a total momentum defined by at least one of motor torque and brake torque,
- determining a real vehicle speed on the basis of measured values derived from said vehicle speed sensor,
- determining an externally produced momentum value according to the real and the estimated vehicle speed and feedback of the externally produced momentum value, and
- determining the total momentum.
Device for determining an externally produced value accelerating or decelerating the vehicle, comprising:
- a first determining device for determining internal motor torques accelerating the vehicle, and motor torque, and brake torque decelerating the vehicle,
- an observer for determining an estimated vehicle speed on the basis of a total momentum defined by at least one of the motor torque and brake torque,
- a sensor for determining of the real vehicle speed on the basis of measured values,
- a second determining device for determining externally produced momentum values according to the real and the estimated vehicle speed, and
- a third determining device for determining or correcting the total momentum.
Dependencies are inferred from the claim text.