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HYBRID VEHICLE AND DRIVING RESISTANCE MEASUREMENT METHOD OF HYBRID VEHICLE
HYBRID VEHICLE AND DRIVING RESISTANCE MEASUREMENT METHOD OF HYBRID VEHICLE
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机译:混合动力汽车及混合动力汽车的行驶阻力测量方法
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摘要
In response to a coasting drive instruction for measurement of a driving resistance of a hybrid vehicle, the coasting control procedure of the invention prohibits a change of a gear position in a transmission (60) and stops both an engine (22) and a motor MG1. The coasting control procedure calculates a canceling torque, which cancels out a torque applied to a ring gear shaft (32a) or a drive shaft via a power distribution integration mechanism (30) by generation of an inertia torque accompanied with a rotation speed change of the motor MG1. The calculated canceling torque is set to a torque command Tm2* of a motor MG2, and the motor MG2 is driven and controlled with the torque command Tm2*. This arrangement makes the ring gear shaft or the drive shaft completely free and enables accurate measurement of the driving resistance of the hybrid vehicle during such a coasting drive of the hybrid vehicle in a fully non-driving state.
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