Robert Boschgmbh

Armin-Maria Verhagen

Roland Stoller

Armin Sch&uuml;lke

Dietrich Trachte

Armin Schuelke

Claus Kramer

Gerhard Keuper

A method for improving the traction between a road surface and a motor vehicle having a pair of front wheels and a pair of rear wheels which engage the road, each front wheel mounted on a front axle, each rear wheel mounted on a rear axle, one of the axles being a driven axle, and a two-part undercarriage roll stabilizer system including a front and a rear undercarriage stabilizer, each the undercarriage stabilizer comprising an actuating drive operatively coupled to a the pair of wheels, and for reducing the stopping distance along the road in which the motor vehicle can be stopped. The method includes: determining a coefficient of friction between at least two wheels and the road surface; comparing the coefficients of friction; and tensioning the actuating drives diagonally, the wheel contact forces between diagonally opposite wheels and the road surface thereby being one of increased and decreased in response to the determined coefficient of friction between a wheel and the road surface. Also, a system for carrying out this method in a motor vehicle.

System and method for reducing stopping distance and improving traction in motor vehicles

A method and a device in which, during the cornering of a motor vehicle, a rating factor is determined by comparing a computed lateral acceleration with a measured lateral acceleration. The lateral acceleration is measured, for example, using an acceleration sensor or corresponding yaw-rate sensor. The computed lateral acceleration is calculated via the steering angle and the road speed. A weighted rating factor generated from the difference signal is a measure of the stable or unstable driving condition of the motor vehicle. This rating factor can be either displayed or supplied to an additional control unit, for example an automatic transmission, a suspension control system or an engine management system.

Method and device for determining an unstable driving condition of a motor vehicle

A system for roll stabilization of vehicles, in particular motor vehicles, is described, where actuating arrangements are provided. At least one sensor detects a roll parameter, and at least one slewing drive is arranged between halves of the front and/or rear chassis stabilizer, thus creating an initial stress of the stabilizer halves to reduce or suppress the rolling motion and, in the event of roll, applying a counter-torque to the vehicle body as a function of output signals of the sensor. The slewing drive is an electromechanical slewing drive and includes an arrangement for locking the swiveling of the stabilizer halves with respect to one another.

Process and system for stabilizing vehicles against rolling

In a fuel supply system for an internal combustion engine, significant parameters such as fuel pressure and fuel flow rate are determined continuously from measured variables with the aid of an observer. These variables which have been determined are used to achieve fuel delivery performed with regard to a requirement, the control operations being carried out as a function of requirements of the internal combustion engine by the control unit itself.

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Schwieberdingen, Germany

Armin-Maria Verhagen