A control device for a hybrid vehicle, which has; a first prime mover and a second prime mover for transmitting a power to a wheel; a power distribution device for distributing the power of said first prime mover to the wheel and to a rotary device; a transmission arranged on a power transmission route from said second prime mover to the wheel; and a gear ratio control device for controlling a gear ratio of the transmission; characterized in that comprising a sub control device for controlling a status of said transmission to enable suppression of decline in a driving performance of the vehicle, even when the function of said gear ratio control mechanism declines.

 
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> Control apparatus for a multi-speed transmission

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