Start clutch control system and method

Details Start clutch control system and method Start clutch control system and method

2007-02-20

2007-02-20

Wright, Dirk (Department: 3681)

Interrelated power delivery controls, including engine control

Clutch control

Condition responsive control

Reexamination Certificate

active

11062486

ABSTRACT:
There is provided a start clutch control system for a vehicle, including a start clutch disposed between an engine and a transmission in the vehicle, a detection unit that detects vehicle running conditions including at least a vehicle speed, and a control unit that controls engagement and disengagement of the start clutch according to the detected vehicle running conditions. The control unit has a target torque determining section to determine a target torque transmitted by the start clutch with reference to the vehicle running conditions, a torque transmission characteristic setting section to set a transmission characteristic of the target torque differently depending on the vehicle speed, a phase compensating section to make a phase compensation for the torque transmission characteristic based on actual and target mathematical models of the vehicle, and a clutch control section to control the start clutch according to the phase-compensated torque transmission characteristic.

REFERENCES:
patent: 4874070 (1989-10-01), Nellums et al.
patent: 5612874 (1997-03-01), Schulz et al.
patent: 5947865 (1999-09-01), Watanabe et al.
patent: 6676563 (2004-01-01), Katou
patent: 2005/0071065 (2005-03-01), Zimmermann et al.
patent: 2828659 (2003-02-01), None
patent: 2000-205009 (2000-07-01), None

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