Abstract
According to the DCT structure and principle, the dynamic shifting process of DCT has been analyzed, and the engine and clutch model have been established. The driver intention has been analyzed and distinguished through the fuzzy control theory, on this basis, gear shift rule has been formulated based on driver intention，separately from the power performance and economy performance. Clutch and engine control strategy for DCT shifting process have been proposed, and shifting control logic also has been drawn up. DCT shifting simulation model has been established based on the MATLAB/Simulink software simulation platform. The simulation result shows that the shifting simulation model in this study meets the requirement, and the shifting control strategy has a good control effect.
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