Research on Integrated Shift Control Strategy for Automatic Transmission

Lin Yue Zhang; Yao Fu; Xing Zhong Li

doi:10.4028/www.scientific.net/AMM.835.687

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 835Research on Integrated Shift Control Strategy for...

Research on Integrated Shift Control Strategy for Automatic Transmission

Abstract:

Shift process of automatic transmission is divided into torque phases and inertia phase, and the control principle of clutch to clutch shift is studied with the lever method. Then, inertia phase engine and transmission integrated control principle and entire shift process engine and transmission integrated control principle are respectively studied with taking power on up shift as study example and taking the transmission output torque fluctuations during shifting minimum as control target. Simulation results are compared to the results of power on up shift without engine and transmission integrated control, and it is proved that the transmission output torque overshoot peak with inertia phase engine and transmission integrated control strategy is decreased significantly and shifting jerks are reduced. Shift quality is improved significantly.

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Periodical:

Applied Mechanics and Materials (Volume 835)

Pages:

687-692

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.835.687

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Online since:

May 2016

Authors:

Lin Yue Zhang, Yao Fu*, Xing Zhong Li

Keywords:

Automatic Transmission, Control Strategy, Lever Method, Shift Process, Shift Quality

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* - Corresponding Author

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