Coordinated Control Strategy of Generator Sets of Series Hybrid Electric Vehicles

doi:10.3969/j.issn.1000-1093.2021.10.003

Abstract

Abstract: In the process of high-power loading，the flameout of series hybrid electric vehicle may be due to engine overload. In order to realize the smooth adjustment of engine-generator set，the reasons for the instability of engine-generator set during the adjustment process are analyzed，and a coordinated control strategy of engine-generator set is proposed，and the coordination method of engine-generator set is optimized. The energy loss of the on-board integrated power system during the dynamic adjustment of engine-generator set is reduced，and the power quality of bus in on-board integrated power system is improved. The hardware-in-the-loop simulation test shows that，compared with the traditional control strategy，the proposed strategy can achieve the minimum energy loss during the dynamic adjustment process，smooth the DC bus voltage fluctuation，and assist the engine-generator set to better implement the vehicle energy management strategy.

Key words: hybridvehicle, generatorset, coordinatedcontrol, electricdrive

CLC Number:

TJ810.2

MA Xiaojun， XU Haoxuan， LIU Chunguang. Coordinated Control Strategy of Generator Sets of Series Hybrid Electric Vehicles[J]. Acta Armamentarii, 2021, 42(10): 2075-2081.

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