Motor vehicles – Power – Electric
Reexamination Certificate
2003-07-07
2008-11-04
Ellis, Christopher P. (Department: 3618)
Motor vehicles
Power
Electric
C180S197000, C180S279000, C180S065100, C180S065800, C701S082000, C701S070000, C701S084000, C701S090000
Reexamination Certificate
active
07445066
ABSTRACT:
When a computed torque command value Tr* of a ring gear shaft as a drive shaft exceeds a maximum torque Tmax, skid occurring state control (step S118) triggered by detection of the occurrence of a skid calculates a torque restriction rate KT (=Tmax/Tr*) and restricts the torque output to the ring gear shaft to a maximum torque Tmax. In a next cycle of a drive control routine, a power demand Pr, which is calculated from inputs of accelerator pedal position AP and vehicle speed V at step S105, is limited to the product of the power demand Pr and a power restriction rate KP (=KT) at step S107. The control with the limited power demand Pr desirably prevents a large engine noise beyond the driver's expectation based on the vehicle driving state.
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European Communication for Appln. No. 03 741 240.0-1254 dated Dec. 13, 2006.
Hamajima Kiyotaka
Hommi Akira
Nada Mitsuhiro
Collado Cynthia F.
Ellis Christopher P.
Kenyon & Kenyon LLP
Toyota Jidosha & Kabushiki Kaisha
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