To address the issue of inaccuracy of vehicle lane change decision in the mixed traffic flow scenario of HV and AV, a vehicle lane change decision model was proposed. The model is based on game theory, multiple game functions were constructed for the continuous cooperative lane change situation of adjacent vehicles, the influence of communication uncertainty was eliminated by Harsanyi transform, and the driving style of vehicles was distinguished by K-means++ clustering, the game returns were further adjusted by risk factors. The lane change model was verified by using the SUMO simulation platform. The experimental results showed that under the fixed AV permeability, the average passing number of vehicles is effectively increased and the average passing time is reduced by applying the combined game theory and driving style lane change model, at the same time, no accidents occurred in the test, which proves the stability and safety of the lane change model. Under different AV permeability, the average passing time of vehicles decreases significantly with the increase of permeability, which indicates that the AV can effectively utilize the lane.
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