Abstract:Hybrid dual clutch transmissions can reduce fuel consumption and CO2 emissions significantly at a low cost, but they will lead to torque interrupt shifts in electric vehicle mode. To improve the shift quality, the shift time should be minimized and the impacts between the sleeve teeth and the idler gear dog teeth after speed synchronization should also be minimized. Besides creating noise, these impacts are also responsible for delaying the completion of shift and contribute to wear in the dog teeth. This pape… Show more
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