The research came up with a road adhesion coefficient estimation method for electric vehicle under tire cornering condition, compared with the previous researches that mainly focused on tire longitudinal behaviors. The designed identification method first distinguishes the states of small longitudinal slip and large longitudinal slip in the condition of tire cornering. Then estimation algorithms for the two conditions above operate respectively. By designing the simulation and selecting typical road conditions, the applicability and validity of the algorithm have been verified. The estimation method can be used to serve the electric vehicles dynamics stability control system.
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