Robert Boschgmbh

Christoph Benz

Thomas Wieland

Matthias Schmidt

Oliver Schulz

Roberto Scarfone

Martin Friedrich

Lars Hermann

A method for controlling a pressure () in an injection system () for an engine () of a vehicle () comprises the following steps: determining whether the vehicle () is decelerating; reducing the delivery rate of a high-pressure pump () that supplies fuel to the injection system (); reducing the pressure in the injection system () to a standstill pressure (p) by means of idle operation of the engine (); estimating a standstill time (t) at which the vehicle () comes to a standstill; and reducing the delivery rate of the high-pressure pump () before the standstill time (t) is reached, such that the standstill pressure (p) is attained in the injection system () at the standstill time (t).

Controlling the fuel pressure in an injection system

In a method for predefining a generator-based braking power of an electric machine in a vehicle, a motor-based propulsion power is predefined as a function of the position of a first final control element, e.g., an accelerator pedal, and the generator-based braking power is predefined as a function of the position of the first final control element, the generator-based braking power assuming values which are unequal to zero, already at an actuated position of the first final control element.

Method and device for controlling an electric machine

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Uhingen, Germany

Christoph Benz