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Acta Armamentarii ›› 2017, Vol. 38 ›› Issue (12): 2289-2300.doi: 10.3969/j.issn.1000-1093.2017.12.001

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Power Flow Control Strategy of Hybrid Power System of Electric Drive Armored Vehicle

LIAO Zi-li1, XIANG Yu2, LIU Chun-guang1, LI Jia-qi1   

  1. (1.Department of Arms and Control Engineering,Academy of Army Armored Force,Beijing 100072, China;2.Unit 61081of PLA,Beijing 100094, China)
  • Received:2017-03-08 Revised:2017-03-08 Online:2018-02-01

Abstract: A multi-algorithm-based power flow control strategy is established for a kind of power source of series hybrid drive system, in which the disparate control objectives are realized by using different algorithms. The wavelet transform is used to separate the high and low frequency components of the load demand power. The frequency values are distributed to the super capacitor and the power sources with low output cutoff frequency to realize the matching of load frequency characteristic and power source output characteristic. The fuzzy controller is used to realize the optimal control of battery state of charge. A secondary allocation strategy is designed to control optimally the instantaneous efficiency of system when the low frequency component of optimal load demand power is allocated between battery and engine-generator set. The simulation analysis and vehicle test results show that the proposed power flow control algorithm can be used for the multiobjective optimization control of multi-power source system, and it is suitable for power flow control of armored vehicle hybrid power system.Key

Key words: ordnancescienceandtechnology, electricdrivearmoredvehicle, hybridpowertrain, powermanagement, wavelettransform, fuzzycontrol, systemefficiencyoptimalcontrol

CLC Number: