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TORQUE TRANSMITTING DEVICE CONTROL STRATEGY FOR A NINE SPEED TRANSMISSION
TORQUE TRANSMITTING DEVICE CONTROL STRATEGY FOR A NINE SPEED TRANSMISSION
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机译:九速变速器的扭矩传递装置控制策略
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摘要
A transmission includes an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. The transmission input member is connected to a dry launch clutch. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices are for example clutches and brakes. A hill hold control strategy is provided for locking the transmission without using the dry launch clutch by selectively engaging combinations of the clutches and brakes.
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