Method and apparatus for the setting of the torque...

Details Method and apparatus for the setting of the torque... Method and apparatus for the setting of the torque...

2011-07-05

2011-07-05

Zanelli, Michael J. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Clutch control

C192S084600

Reexamination Certificate

active

07974758

ABSTRACT:
A method and apparatus for setting the torque transmitted by a friction clutch via an actuator chain having an electric motor, a reduction gear and a mechanism for converting the rotary movement of the electric motor. In the method, a desired angle of rotation of the electric motor or a link of the actuator chain is determined from the torque to be transmitted by the friction clutch and is set in a setting procedure based on a given torque/angle dependence. To compensate for wear inside the friction clutch, a calibration process takes place in which a first correction angle is determined for the torque/angle dependence. Variations in a torque/power consumption dependence caused by wear within the actuator chain are also taken into account. Specifically, the number of setting procedures of the electric motor within a predetermined time interval is determined and is used to correct the torque/power consumption dependence.

REFERENCES:
patent: 5704460 (1998-01-01), Leimbach
patent: 6193039 (2001-02-01), Doremus et al.
patent: 7032733 (2006-04-01), Parigger
patent: 7522984 (2009-04-01), Karrelmeyer et al.
patent: 2004/0238311 (2004-12-01), Parigger
patent: 2007/0061060 (2007-03-01), Karrelmeyer et al.
patent: 103 28 712 (2005-01-01), None
patent: WO03/025422 (2003-03-01), None

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