Multi-constraint optimal distribution method for torque vectoring of distributed drive electric vehicle

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United States of America

PATENT NO 12128775
SERIAL NO

18540734

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Abstract

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The present disclosure relates to a multi-constraint optimal distribution method for a torque vectoring of a distributed drive electric vehicle, which includes: obtaining a vehicle real-time motion state, taking a pre-constructed tire rotation dynamics model as a control object of an optimal distribution problem, establishing an objective function for tracking a desired additional yaw moment, tracking a desired tire slip ratio, and suppressing a motor output energy consumption to a minimum value, establishing a corresponding system constraint, solving the optimal distribution problem, and obtaining an optimal distribution solution for a torque vectoring of each tire. Compared with the prior art, the present disclosure can effectively track a desired control target, can also effectively constrain an important state and a control input of the vehicle, and can avoid wrong solutions or no solution caused by an optimization problem.

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Patent OwnerAddress
TONGJI UNIVERSITYNO 1239 SIPING ROAD YANGPU DISTRICT SHANGHAI 200092 200092

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Hong Shanghai, CN 429 4330
Liu, Hanghang Shanghai, CN 7 0
Pan, Wei Shanghai, CN 172 1920
Sun, Haobo Shanghai, CN 3 0
Zhang, Lin Shanghai, CN 453 3838

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