Abstract: A method and a device for controlling the slippage at at least one vehicle wheel in a closed loop. In order to reduce an unacceptable slippage at at least one wheel, the braking force at this wheel is influenced and wheel vibrations are determined. Furthermore, the tendency of the characteristic of the slippage is ascertained during a vibration, and the braking force is influenced as a function of the ascertained tendency.

Abstract: A system of monitoring the handling properties of a motor vehicle having at least two wheels (12) includes at least one wheel-force sensor device (10) associated with a wheel (12), which detects at least one wheel-force component of the respective wheel (12) acting essentially between the driving surface and the tire contact area, outputs a signal (Si, Sa) representing the wheel-force component, and includes an evaluation device (14) which processes the signal (Si, Sa) representing the wheel-force component of the wheel (12). The evaluation device (14) determines a yaw moment of the vehicle according to the result of the processing. A corresponding method is also described.

Abstract: A method and a system for limiting an engine torque of vehicles to a maximum value. In the method, signals representing wheel torques from wheel sensors at the drive train are acquired, the wheel torques, differentiated according to driving situations which can have a harmful influence on the transmission, differential or torque converter, then being checked for a wheel-torque value which is too high. If too high a value is found, the engine torque is limited or reduced.

Abstract: A system for monitoring the properties of at least one tire (12) on a vehicle (36) is described, means being provided on the tire to store information representing properties of the tire (12) and sensors (20, 22) being provided for acquiring the information. A method for monitoring properties of at least one tire is also described.

Abstract: A system for assessing the load state of a motor vehicle having at least one wheel (12) includes at least one sensor device (10), which records a quantity proportional to the vehicle weight and emits a signal (Si, Sa) representing the quantity, and an assessment system (14), which processes the signal (Si, Sa) representing the recorded quantity, and assesses a load state of the vehicle according to the result of the processing. According to the present invention, the sensor device (10) is a wheel-force sensor device (10) assigned to the at least one wheel (12) which records, as a value proportional to the vehicle weight, the center of tire force of the respective wheel (12) acting essentially between the road surface and the center of tire surface. The present invention also relates to a corresponding method.

Abstract: The present invention relates to a system for monitoring the traction of a motor vehicle having at least two wheels (12) that includes at least one wheel-force sensor (10) which is assigned to a wheel (12), detects at least one wheel-force component of the respective wheel (12) acting essentially between the road surface and tire contact surface, emits a signal (Si, Sa) representing the wheel-force component, and includes an evaluation device (14) that processes the signal (Si, Sa) representing the wheel-force component of the wheel (12). According to the invention, the evaluation device (14) evaluates when the relevant wheel (12) is lifting off according to the processing results. The invention furthermore relates to a method for monitoring traction.

Abstract: A method of controlling and/or regulating the driving response of a motor vehicle, in particular a vehicle having all-wheel drive, having at least two driven wheels, is described, at least one sensor element of a sensor (SVL, SVR, SHL, SHR) being provided on the wheels, in particular on the wheel bearings, and/or in the tires (RVL, RVR, RHL, RHR) assigned to the wheels, and the output signals of the sensors (SVL, SVR, SHL, SHR) being analyzed to control and/or regulate the driving response of the vehicle.

Abstract: An arrangement for determining the temperature of valves in the brake circuit of a vehicle is described. The arrangement includes an arrangement to measure a longitudinal wheel force, an arrangement to determine a wheel braking pressure using the measured longitudinal wheel force, an arrangement to determine a pressure drop across a valve using the wheel braking pressure, an arrangement to determine a valve solenoid current using the pressure drop, an arrangement to determine the resistance of the valve solenoid from the valve solenoid current and an applied valve solenoid voltage, and an arrangement to determine the valve solenoid temperature using the temperature-dependence of the valve solenoid resistance. Moreover, a method for determining the temperature of valves in the brake circuit of a vehicle is provided.

Abstract: A method and a system for operating a brake system of a motor vehicle having traction control are described. The brake system contains sensors which are assigned to the individual vehicle wheels and with which a quantity representing at least the driving and/or braking forces acting between the road surface and the vehicle wheel is detected for the respective vehicle wheel. For operation of the brake system having traction control, pressure quantities which describe the brake pressure established for the respective vehicle wheel are analyzed. The pressure quantities are determined as a function of the quantities detected by the sensors.

Abstract: A movement of a vehicle is detected, using tire sensors, by evaluating detected, measured signals in an evaluating unit in such a manner, that the polarity of the measured signals, starting from the measured signals at vehicle standstill, is used as an indicator of the vehicle moving direction.

Abstract: The present invention relates to a system for monitoring the handling characteristics of a vehicle having a sensor suite (10) measuring the wheel force for ascertaining a wheel force at at least one wheel (12) of the vehicle, and means (14) for processing the ascertained wheel force, a condition of the roadway being detected from a result of the processing. The invention also relates to a method for monitoring the handling characteristics of a vehicle.

Abstract: A system for monitoring the cornering behavior of a motor vehicle having at least one wheel (12) includes at least one sensor device (10) assigned to a wheel (12) which detects at least one wheel variable of the wheel (12) during cornering of the vehicle and outputs a signal (Si, Sa) representing the at least one wheel variable, and in addition includes an assessment device (14) which processes the at least one signal (Si, Sa), the assessment device (14) determining at least one cornering limit value according to the result of the processing. The sensor device (10) is a wheel-force sensor device (10) which detects at least one wheel-force component of the wheel (12) acting essentially between the road surface and the wheel contact zone. In addition, a corresponding method is described.

Abstract: A device for limiting a rollback speed vvof a motor vehicle having means for detecting the rollback speed vv and means for acting upon a brake of the motor vehicle in response to reaching or exceeding a preadjustable limit speed vlimit, it being possible for the limit speed vlimit to be adjusted as a function of a quantity describing a tendency to tilt or a tilting behavior of the motor vehicle.

Abstract: A system for determining the height of the center of gravity of a vehicle includes an arrangement configured to determine a difference between wheel contact forces, an arrangement configured to determine a transverse acceleration, an arrangement configured to determine comparison values which compares the change in the difference between wheel contact forces with the change in the transverse acceleration, and an arrangement configured to evaluate a roll model which determines the height of the center of gravity from the comparison values. Furthermore, a corresponding method is for determining the height of the center of gravity of a vehicle.

Abstract: A method and a system for limiting an engine torque of vehicles to a maximum value. In the method, signals representing wheel torques from wheel sensors at the drive train are acquired, the wheel torques, differentiated according to driving situations which can have a harmful influence on the transmission, differential or torque converter, then being checked for a wheel-torque value which is too high. If too high a value is found, the engine torque is limited or reduced.

Abstract: A method and a system for monitoring a brake system of a vehicle, in which braking and driving forces of a vehicle are measured at each wheel of the vehicle using sensors that measure the forces acting between the vehicle wheel and the road, and in which the measured braking forces are compared with one another and/or with predefined braking forces stored in a memory unit, and, if predefined differences between measured braking forces and/or a measured braking force and a predefined braking force are exceeded, it is inferred that a brake problem has arisen in the brake system.

Abstract: A traction control device for a vehicle that has at least one axle, to which two driven wheels are assigned, the traction control device, when one of the driven wheels of the axle shows a tendency to spin, regulating the kinematic behavior of the wheel tending to spin by building up a first wheel brake pressure such that the wheel tending to spin of the axle remains within a permissible slip range. In order to reduce disturbance torques caused by the first wheel brake pressure for a wheel that is not tending to spin of the axle, a second wheel brake pressure is built up, which is adjustable independently of the first wheel brake pressure. Also described is a method for controlling the slip of at least one driven wheel of an axle of a vehicle.

Abstract: A device and method for determining values and/or generating signals, which can be used for closed-loop or open-loop controlling of the driving behavior of a vehicle equipped with a sensor system that detects wheel contact forces, includes determining the vehicle mass via the wheel contact forces that are detected, and further includes at least one of determining shifts in the wheel contact forces, and determining the required drive torque.

Abstract: An arrangement for determining the temperature of valves in the brake circuit of a vehicle is described. The arrangement includes an arrangement to measure a longitudinal wheel force, an arrangement to determine a wheel braking pressure using the measured longitudinal wheel force, an arrangement to determine a pressure drop across a valve using the wheel braking pressure, an arrangement to determine a valve solenoid current using the pressure drop, an arrangement to determine the resistance of the valve solenoid from the valve solenoid current and an applied valve solenoid voltage, and an arrangement to determine the valve solenoid temperature using the temperature-dependence of the valve solenoid resistance. Moreover, a method for determining the temperature of valves in the brake circuit of a vehicle is provided.

Abstract: A method and a system for operating a brake system of a motor vehicle having traction control are described. The brake system contains sensors which are assigned to the individual vehicle wheels and with which a quantity representing at least the driving and/or braking forces acting between the road surface and the vehicle wheel is detected for the respective vehicle wheel. For operation of the brake system having traction control, pressure quantities which describe the brake pressure established for the respective vehicle wheel are analyzed. The pressure quantities are determined as a function of the quantities detected by the sensors.