Title:
METHOD FOR CONTROLLING A FRICTION CLUTCH AND DEVICE THEREFOR
Document Type and Number:
WIPO Patent Application WO/2011/107067
Kind Code:
A3
Abstract:
The invention relates to a method and device for controlling a friction clutch arranged between an internal combustion engine and a gearbox by means of a clutch actuator that axially actuates an actuating element of the friction clutch along an actuation travel (S) associated by means of a clutch characteristic curve (7, 8) with a target torque that can be transmitted by means of the friction clutch. In order to improve the quality of the control of the friction clutch and prevent incorrect torques from being applied, a hysteresis that occurs between the target torque and the actual torque actually transmitted by means of the friction clutch along the actuation travel is compensated in that a target value (SW) for controlling the clutch actuator is corrected by means of a correction variable (K).
Inventors:
REIBOLD EKKEHARD (DE)
Application Number:
PCT/DE2011/000140
Publication Date:
November 10, 2011
Filing Date:
February 14, 2011
Export Citation:
Assignee:
SCHAEFFLER TECHNOLOGIES GMBH (DE)
REIBOLD EKKEHARD (DE)
REIBOLD EKKEHARD (DE)
International Classes:
F16D48/06
Foreign References:
| US20020128763A1 | 2002-09-12 | |||
| EP2009313A2 | 2008-12-31 | |||
| DE102008032476A1 | 2010-01-14 | |||
| DE102008041353A1 | 2010-02-25 | |||
| DE102006011350A1 | 2007-09-13 | |||
| DE102005057844A1 | 2006-06-29 |
Attorney, Agent or Firm:
SCHAEFFLER TECHNOLOGIES GMBH & CO. KG (AT/BHL-GIndustriestrasse 3, Bühl, DE)
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