Control unit and method for vehicle

Details Control unit and method for vehicle Control unit and method for vehicle

2007-01-11

2008-11-11

Camby, Richard M. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Transmission control

C701S054000, C701S058000

Reexamination Certificate

active

07451031

ABSTRACT:
An ECT_ECU performs a program including: a step of determining whether the gears are being changed or the gears are not being changed; a step of setting the virtual gear to the current gear, if the gears are not being changed; a step of setting the virtual gear to the gear before the gears are changed, if the gears are being changed but the inertia phase has not been started; a step of setting the virtual gear to the gear after the gears are changed, if the gears are being changed and the inertia phase has been started; a step of calculating the gear-change progress α; a step of calculating the virtual gear ratio based on the virtual gear and the gear-change progress α; and a step of calculating the target engine torque using the virtual gear ratio.

REFERENCES:
patent: 6459979 (2002-10-01), Murakami
patent: 6551208 (2003-04-01), Holmes et al.
patent: 7228926 (2007-06-01), Takami et al.
patent: 7282011 (2007-10-01), Tabata et al.
patent: 2005/0192154 (2005-09-01), Sakamoto et al.
patent: 601 21 391 (2006-11-01), None
patent: 2001-347854 (2001-12-01), None
patent: 2005-248728 (2005-09-01), None

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