US 8,620,513 B2Granted

Actuator arrangement for a motor vehicle drive train and method for operating an actuator arrangement

AssigneeGETRAG Getriebe- und Zahnradfabrik Hermann Hagenmeyer GmbH & Cie KG

InventorsMartin Seufert, Michael Gerhard Ludwig, Volker Naegele

Life of this patent

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Abstract

An actuator arrangement for a motor vehicle drive train has a control device, an electric actuator and a drive circuit for the actuator. The drive circuit receives at least one nominal signal relating to an actuator from the control device and converts it into a drive signal for the actuator. The control device is checked for faults by means of a monitoring device. The drive circuit and/or a power stage which is arranged between the drive circuit and the motor receives a reset signal when such a fault occurs. Further, the control device is configured to check the function of the drive circuit and to generate a reset signal for the drive circuit and/or for the power stage if a malfunction occurs.

Claims19

Dependent claims

Actuator arrangement for a motor vehicle drive train, having

a control device,
a monitoring device,
an actuator,
a drive circuit for the actuator, and
a power stage arranged between the drive circuit and the actuator,
the drive circuit receives at least one nominal signal relating to the actuator from the control device and converts it into a drive signal for the actuator,
the control device is checked for control device faults by means of the monitoring device, wherein at least one of the drive circuit and the power stage receives a reset signal when such a control device fault occurs,
the control device checks the function of the drive circuit and generates a reset signal for at least one of the drive circuit and the power stage if a drive circuit malfunction occurs, wherein the control device receives a first control signal from the actuator and checks the first control signal to determine whether the drive circuit is functioning correctly, and wherein the control device receives a second control signal from the drive circuit and evaluates the first control signal and the second control signal to determine whether the drive circuit is functioning correctly.

5 more elements

Dependencies are inferred from the claim text.

Facts

Application: 12/338,153Filed 18 Dec 2008
Priority: DE 10 2007 063 21220 Dec 2007
Published: US 2009/0164058 A125 Jun 2009
Granted: 31 Dec 2013
Term ends: Not estimatedThe source records don’t support an estimate.

Classification13 codes

F16D 48/06
External control of clutches: control by electric or electronic means, e.g. of fluid pressure
F16H 61/12
Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid…
F16H 61/32
With at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted: electric motors ,…
F16D 2500/1023
Electrical type: electric motor