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AssigneeBYD Company Limited
InventorsDongsheng YANG, Yubo LIAN, Jintao ZHANG, Hongbin LUO
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The present disclosure discloses a shifting control method for a hybrid vehicle. The shifting control method includes: detecting operating parameters of the hybrid vehicle, where the operating parameters of the hybrid vehicle includes vehicle speed, vehicle acceleration as reflected from an accelerator-pedal signal and a current gear of the hybrid vehicle; determining a work mode of the hybrid vehicle; performing speed adjustment and shifting control to the first motor-generator according to a work mode and the operating parameters of the hybrid vehicle to implement shifting control of the hybrid vehicle, where the work mode includes an electric-vehicle mode and a hybrid-electric-vehicle mode. The method considers performing speed adjustment and shifting control under various working conditions. This improves smoothness and comfort of the vehicle and enlarges the use scope. The present disclosure further discloses a power transmission system of a hybrid vehicle and a hybrid vehicle.
A shifting control method for a hybrid vehicle comprising a power transmission system, the power transmission system comprising an engine, a plurality of input shafts, a plurality of output shafts, a motor shaft, and a first motor-generator, the engine being configured to selectively couple with at least one of the input shafts, a gear driving gear being set on each of the input shafts, a gear driven gear being set on each of the output shafts, the gear driven gear meshing with the gear driving gear correspondingly, the motor shaft being configured to rotate together with one of the input shafts, the first motor-generator being configured to rotate together with the motor shaft, the shifting control method comprising following steps:
A power transmission system of a hybrid vehicle, comprising:
Dependencies are inferred from the claim text.