Abstract: A traction control system (TCS) in which the engine torque is reduced after a slip threshold has been exceeded by at least one driven wheel and is raised again after the slip has fallen below the threshold, the traction control system further including an arrangement for detecting cornering and coefficient of friction. In order to improve vehicle stability when cornering, upon detection of cornering on a road surface having a low coefficient of friction, the gradient of the engine torque increase during the TCS control action is set lower than when traveling straight ahead.

Abstract: A system for controlling and/or regulating the driving response of a motor vehicle having at least two wheels includes at least one sensor device (12), which detects a wheel speed of at least two wheels (12), and further includes a data processing device (16), which determines at least one motion relationship of at least two wheels (10) relative to one another according to the wheel speeds detected. As described, the data processing device (16) establishes at least one cornering motion variable of the vehicle according to the at least one motion relationship determined. 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 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: 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: 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: A method for the open-loop or closed-loop control of the braking action at at least one wheel of a vehicle. In this method, a transverse-dynamics quantity is ascertained which describes the transverse dynamics of the vehicle. As a function of a vehicle-dynamics quantity which describes the vehicle dynamics, or a wheel-dynamics quantity which describes the wheel dynamics of at least one wheel, it is determined whether a driver-independent braking intervention is necessary. In the event that a driver-independent braking intervention is necessary, a pulse-shaped signal is determined for triggering the actuators assigned to at least one wheel. The first pulse of the pulse-shaped signal is influenced in its time duration as a function of the transverse-dynamics quantity.

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 method and a device, respectively, for providing traction control of a motor vehicle in which the slip of the driven wheel of the motor vehicle on the inside of the curve is only regulated when its slip exceeds a predefined slip threshold. The predefined slip threshold is weighted with a weighting factor as a function in dependence on the occurring transverse acceleration, and in this connection, the weighting factor is given by an equation as being inversely proportional to the radius of curve of the road.

Abstract: A method and a device for controlling a drive unit of a motor vehicle. In this context, in response to a tendency to spin of at least one drive wheel, the torque of the drive unit is reduced. The reduction of the torque, in this context, is limited to a minimum value, which is preferably a function of the prevailing driving situation.

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 for the open-loop or closed-loop control of the braking action at at least one wheel of a vehicle. In this method, a transverse-dynamics quantity is ascertained which describes the transverse dynamics of the vehicle. As a function of a vehicle-dynamics quantity which describes the vehicle dynamics, or a wheel-dynamics quantity which describes the wheel dynamics of at least one wheel, it is determined whether a driver-independent braking intervention is necessary. In the event that a driver-independent braking intervention is necessary, a pulse-shaped signal is determined for triggering the actuators assigned to at least one wheel. The first pulse of the pulse-shaped signal is influenced in its time duration as a function of the transverse-dynamics quantity.

Abstract: A method and a device for controlling slippage of a vehicle wheel are proposed. A traction controller, which intervenes in a drive torque of a drive unit of the vehicle in response to incipient slippage at at least one driven wheel, is provided. Moreover, it is ascertained whether the vehicle is located in an exit area of a curve. If this is the case, the traction controller is influenced so that improved traction of the vehicle results as compared to cornering designed for stability. Furthermore, at least one quantity determining the intervention is modified in response to cornering or straight-ahead driving.

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.