Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Electric vehicle
Reexamination Certificate
2011-06-07
2011-06-07
Nguyen, Cuong H (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Electric vehicle
C180S065210, C180S065230, C180S065235, C903S917000, C903S919000, C903S945000, C060S711000
Reexamination Certificate
active
07957856
ABSTRACT:
An ECU calculates a drive torque request value Td0 (S102) when a creep torque generation condition is satisfied (YES in S100), calculates a creep torque reflection rate Kcrp using a gear rattle prevention map instead of an ordinary map (S110) when a vehicle speed V is substantially zero and an engine is in a load drive state (YES in S106and NO in S108) while a forward drive range is being selected (YES in S104), and calculates a product of Td0 and Kcrp as a creep torque request value Tp (S114). The ordinary map is a map decreasing Kcrp to 0 with increase in brake torque, and the gear rattle prevention map is a map decreasing Kcrp to a predetermined value larger than 0 with increase in brake torque.
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Gifford Krass Sprinkle Anderson & Citkowski P.C.
Nguyen Cuong H
Toyota Jidosha & Kabushiki Kaisha
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