Device and method for controlling the driving dynamics of a vehicle
AssigneeWABCO GmbH
InventorsJens Groger, Wolfgang Strache
Life of this patent
Estimating the term…
Abstract
In a device and method for controlling the driving dynamics of a vehicle having a driver's cab spring mounted with respect to the vehicle frame, the yaw rate and deflection of the driver's cab are detected. A yaw rate sensor is arranged in the driver's cab, and the yaw rate of the vehicle frame is estimated or calculated from the yaw rate and deflection of the driver's cab. If the difference between the estimated or calculated yaw rate of the vehicle frame and a desired yaw rate exceeds a limit value, the brake system and/or the drive are actuated.
Claims11
A device for regulating the driving dynamics of a vehicle having a driver's cab mounted resiliently with respect to a frame of the vehicle, the device comprising a steer angle sensor configured to measure a steer angle;
- a yaw rate sensor in the driver's cab and configured to measure a yaw rate of the driver's cab;
- a further sensor configured to determine a deflection of the driver's cab out of a reference position;
- and a control unit configured to evaluate the sensor signals from the steer angle, yaw rate and further sensors and to influence at least one of a brake system and a drive of the vehicle as a function of the sensor signals, the control unit being configured to at least one of estimate and calculate a yaw rate of the vehicle frame as a function of the measured yaw rate of the driver's cab and as a function of the deflection of the driver's cab out of its reference position, and to influence at least one of the brake system and the drive when the difference between the at least one of estimated and calculated yaw rate of the vehicle frame and a setpoint yaw rate determined by the control unit at least as a function of the measured steer angle and vehicle speed pertaining to the vehicle frame is above a predefined threshold value.
A method for regulating the driving dynamics of a vehicle having a driver's cab mounted resiliently with respect to a frame of the vehicle, the method comprising:
- measuring a steer angle using a steer angle sensor;
- measuring a yaw rate of the driver's cab using a yaw rate sensor in the driver's cab;
- determining a deflection of the driver's cab out of a reference position using a further sensor;
- evaluating the sensor signals provided by the steer angle, yaw rate and further sensors in a control unit;
- influencing at least one of a brake system and a drive of the vehicle as a function of the sensor signals;
- using the control unit, at least one of estimating and calculating a yaw rate of the vehicle frame as a function of the measured yaw rate of the driver's cab and as a function of the deflection of the driver's cab out of its reference position;
- and
- influencing at least one of the brake system and the drive when the difference between the at least one of estimated and calculated yaw rate of the frame and a setpoint yaw rate determined by the control unit at least as a function of the measured steer angle and the vehicle speed pertaining to the vehicle frame is above a predefined threshold value.
Dependencies are inferred from the claim text.