DEVICE AND METHOD FOR THE DETECTION AND REDUCTION OF A DISTURBING VIBRATION IN A VEHICLE

WIPO Patent Application WO/2010/028990

A3

Disclosed are a device and a method for detecting and reducing a disturbing vibration (z), in particular chatter, on a brake or clutch (9) of a vehicle drive train. A periodic first output signal (A1) that is dependent on a difference between an input speed and output speed (n1, n2, nmot) of the brake or clutch (9), as well as a periodic second output signal (A2) that is dependent on the difference between the input speed and output speed (n1, n2, nmot) of the brake or clutch (9) and is out of phase relative to the first output signal (A1) can be generated by means of a signal generator (4). A filter (11) can generate a counteracting control signal (6, 6'), at least by means of the first and second output signal (A1, A2), and an output variable (xa) of the drive train in order to reduce the disruptive vibration (z), said counteracting control signal (6, 6') being superposed on an input variable (Xe) of the drive train by a transmission controller (7).

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WANNAGS MARKUS (DE)
INGENBLEEK ROBERT (DE)
BAUER GUNTHER (DE)

PCT/EP2009/061325

May 20, 2010

September 02, 2009

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ZAHNRADFABRIK FRIEDRICHSHAFEN (DE)
WANNAGS MARKUS (DE)
INGENBLEEK ROBERT (DE)
BAUER GUNTHER (DE)

B60W30/20

WO2004027285A1

2004-04-01

DE10244026A1	2004-04-01
EP1566561A1	2005-08-24
EP1097834A2	2001-05-09

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