Robert Boschgmbh

Eastman-kodak Company

Other

Werner Hess

Ernst Wild

Georg Mallebrein

Lutz Reuschenbach

Hong Zhang

Klaus Joos

Juergen Pantring

Christian Koehler

Michael Oder

Dieter Volz

Achim Hirchenhein

Werner Mezger

Nikolaus Benninger

Roland Herynek

Gudrun Menrad

Mirjam Steger

Holger Rapp

Haris Hamedovic

Alexander Schenck Zu Schweinsberg

Michael Bauer

Joerg Koenig

Harry Friedmann

Werner Kind

Ruben Schlueter

Andreas Koch

Christian Reschke

Stephanie Wirth

Harald Von Hofmann

Helmut Denz

Klaus Ries-Mueller

Manfred Pfitz

Hartmut Bauer

Detlef Heinrich

Burkhard Hiller

Kristina Eberle

Christian Tischer

Juergen Gerhardt

Martin Ludwig

Hendrik Koerner

Helmut Schneider

Udo Schulz

Winfried Moser

Martin-Peter Bolz

Udo Diehl

Markus Amler

Uwe Kassner

Christian Grosse

Ruediger Weiss

Martin Klenk

Werner Harter

Peter Dominke

Andreas Roth

Chi-Thuan Cao

Dirk Hartmann

Manfred Schmitt

Peter Ahner

Holger Jessen

Juergen Foerster

Joerg Kuempel

Christof Ott

Peter Blessing

Klaus Hirschmann

Volker Pitzal

Holger Bellmann

Ngoc-Thach Nguyen

Rainer Mayer

Helmut Ettischer

Torsten Heidrich

Helmut Janetzke

Herbert Lohner

Thorsten Allgeier

Wolfgang Pfeiffer

Armin Hassdenteufel

Hans Hillner

Hans-Friedrich Schwarz

Rainer Bitzer

Achim Guenther

Eckart Damson

Christof Thiel

Michael Nicolaou

Peter Kaltenbrunn

Juergen Bauer

Bernd Roos

Bernhard Mencher

Bernhard Vogt

Ianislav Krastev

Eberhard Frech

Ruediger Block

Lilian Matischok

Bo Yuan

Elmar Dilger

Joerg Kerner

Steffen Strauss

Martin Froehlich

Nils Steinbach

Alois Moser

Thomas Brosi

Jurgen Gerhardt

Lothar Gamer

Thomas Sauer

A method for ascertaining a setpoint value for a manipulated variable for the actuation of a low-pressure pump in a fuel-supply system for an internal combustion engine having a high-pressure accumulator and a high-pressure pump, the high-pressure pump being operated in a full delivery mode, and the low-pressure pump being actuated so that a pressure provided by the low-pressure pump is reduced, and the setpoint value at which a dip in a delivery quantity of the high-pressure pump is detected is ascertained while taking into account an actuation value of the manipulated variable.

Method for ascertaining a setpoint value for a manipulated variable for actuating a low-pressure pump

A method for ascertaining a correction value for a fuel metering of a fuel injector of an internal combustion engine, in which fuel is injected from a high pressure accumulator into a combustion chamber with the aid of the fuel injector, a value which is representative for a static flow rate through the fuel injector being ascertained by way of ascertaining, during at least one injection process of the fuel injector, a ratio of a pressure difference occurring in the high pressure accumulator as a result of the injection process and an associated duration which is characteristic for the injection process, and the correction value being ascertained on the basis of a comparison of the representative value with a comparative value.

Method and device for ascertaining a correction value for a fuel injection quantity

A method is described for controlling the metering of fuel. A feature, which characterizes the switching point in time of a valve, is ascertained based on a measured signal curve. The feature is fed as an actual variable to a controller. A criterion of the feature is ascertained, the controller taking the criterion of the feature into account.

Method for controlling metering of fuel

A method is described for determining an opening delay of a fuel injector in which by activating a solenoid with the aid of an armature, a valve needle may be opened wherein a mathematical model is used which includes an activation duration of the solenoid as an input variable and a respective opening delay as an output variable.

Method for determining an opening delay of a fuel injector

A method for operating an internal combustion engine having two or more cylinders to which fuel can be supplied via an injection valve, it being possible to carry out a measurement injection for a cylinder in order to determine and/or adapt a characteristic quantity of the injection valve, and all the cylinders being ignited in the course of an ignition cycle. To improve the operating characteristics, a measurement injection is carried out for those cylinders that are contained in a specifiable selected set selected from all the cylinders.

Method for operating an internal combustion engine

A method for assessing an injection behavior of at least one injection valve of an internal combustion engine includes putting the internal combustion engine into a special operating mode defined by control parameters and operating the engine in the special operating mode during a diagnostic time period, at least one operating parameter of the internal combustion engine being determined at least during the diagnostic time period, and at least one quantity characterizing the injection behavior of the at least one injection valve being evaluated at least during a segment of the diagnostic time period and being evaluated on the basis of the at least one operating parameter.

Method for assessing an injection behaviour of at least one injection valve in an internal combustion engine and operating method for an internal combustion engine

A method for activating an injector in a fuel injection system in an internal combustion engine, the fuel injection system including a plurality of injectors and a quantity of fuel injected with the aid of an injector being a function of the activation period of the injector. An injector-individual correction value for the activation period is ascertained for at least one injector as a function of a pressure and a temperature of the fuel to be injected and the activation for this injector takes place under consideration of the injector-individual correction value.

Method for activating an injector in a fuel injection system in an internal combustion engine

A device is described for controlling a hydraulic accumulator of a hydraulic system, for example a vehicle transmission, having a valve device which may connect and disconnect an accumulator-side port of the device to and from a system-side port, the valve device including at least one first check valve which is situated hydraulically between the accumulator-side port and the system-side port, and which is blocking in the direction of the system-side port, the valve device also including an electrically actuated control valve which is situated between a control port of the first check valve and the accumulator-side port in such a way that the control valve may hydraulically unblock the first check valve, using the pressure prevailing at the accumulator-side port.

Device for controlling a hydraulic accumulator of a hydraulic system

A method and an arrangement for controlling the drive unit of a vehicle are suggested. A decentral torque coordination is provided. In addition to the resulting input quantity of the first coordinator, also, if required, resulting minimum quantities and/or maximum quantities are transmitted from a first coordinator to a second coordinator.

Method and device for controlling a drive unit

A method and an arrangement for detecting the end of a start operation in an internal combustion engine () of a motor vehicle make it possible to distinguish the start operation from a steady-state condition of the engine () even for starters having a high starter rpm. At least one operating variable of the engine is determined which is different from the rpm thereof. The at least one operating variable is compared to a pregiven threshold value. The end of the start operation is detected when the at least one operating variable reaches or exceeds the threshold value.

Method and arrangement for detecting the end of a start operation in an internal combustion engine of a motor vehicle

A method and an arrangement control the drive unit of a vehicle. In this method and arrangement, an rpm limiting to a reference rpm takes place when the demand of the driver is withdrawn. The reference rpm is determined at the start of the withdrawal of the driver command.

Method and arrangement for controlling the drive unit of a vehicle

A method and a device for controlling the drive unit of a vehicle are provided, in which, in addition to the selection variable for an output variable of the drive unit, another setpoint variable representing the required dynamic setting of the output variable is preselected. The manipulated variable of the drive unit to be influenced is selected on the basis of the selection variable and the additional setpoint variable.

Method and device for controlling the drive unit of a vehicle

A method and a device for controlling the drive unit of a vehicle are provided, setpoint selection variables and characteristic variables being received, which represent the way the setpoint selection variable is set. In a coordinator, setpoint selection variables and characteristic variables are coordinated independently from one another and one of the variables is selected, on which the control of the drive unit is based. In a converter, the selected setpoint selection variable and characteristic variable are converted into control signals, the control signals being selected on the basis of the setpoint selection variable and the characteristic variable, optionally considering further operating variables, for example, the operating state of the drive unit.

A method and a device for controlling an output variable of a drive unit in the starting phase is described. A controller is provided, regulating the actual value of at least one output variable to a setpoint variable of this output variable which is specified as a function of time. When at least one condition marking entry into the starting phase exists, the setpoint value of the output variable is initialized with the actual value of the output variable.

Method and device for controlling an output variable of a drive unit in the starting phase

An internal combustion engine ( ), especially of a motor vehicle, is described. The engine ( ) is provided with a combustion chamber ( ) into which fuel can be injected in a first operating mode during a compression phase and in a second operating mode during an induction phase. The engine ( ) is provided with a control apparatus ( ) for switching over between the operating modes. The engine ( ) includes an exhaust-gas recirculation having an exhaust-gas recirculation valve ( ). The engine ( ) is switched by the control apparatus ( ) into the first operating mode when the exhaust-gas recirculation valve ( ) is jammed in the open state.

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Stuttgart, Germany

Werner Hess