In order to satisfy the character of parallel hybrid electric vehicle (PHEV) in some special driving cycles, a collision decision problem\r\nbetween the shift decision and power split ratio is proposed. Based on a large amount of experimental data the optimal decisions are\r\ndetermined with evidential reasoning theory.The proposed decision strategy has been verified through real road test of Chongqing\r\npublic transportation line 818 and the fuel economic improvement has also been achieved.
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