| CPC B60K 6/387 (2013.01) [B60W 10/02 (2013.01); B60W 10/08 (2013.01); B60W 20/16 (2016.01); B60W 30/192 (2013.01); B60W 2510/0208 (2013.01); B60W 2510/068 (2013.01); B60W 2510/083 (2013.01); B60W 2710/021 (2013.01)] | 9 Claims |
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1. A hybrid electric vehicle controller for a hybrid electric vehicle, wherein the hybrid electric vehicle includes an engine that includes a crankshaft and an exhaust passage, a motor generator, a clutch arranged between the crankshaft and the motor generator, and a catalyst arranged in the exhaust passage, the hybrid electric vehicle controller comprising:
first circuitry configured to execute a catalyst warming process that warms the catalyst under a situation in which the hybrid electric vehicle is at a standstill; and
second circuitry configured to control the clutch to be in an engaged state where the motor generator is connected to the crankshaft and in a disengaged state where the motor generator is disconnected from the crankshaft,
wherein
the first circuitry is configured to:
when a catalyst temperature is not within an activation temperature range, start the catalyst warming process in response to the clutch being in the engaged state where the motor generator is connected to the crankshaft; and
when the catalyst temperature is within the activation temperature range, end the catalyst warming process in response to the clutch being in the disengaged state where the motor generator is disconnected from the crankshaft, and
the first circuitry is further configured to
request the second circuitry to prohibit disengagement of the clutch in response to the catalyst warming process being executed, and
set a clutch disengagement flag to determine whether the second circuitry has been requested to prohibit disengagement of the clutch until the catalyst temperature is within the activation temperature range.
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