基于模糊PI控制的多电飞机配电系统的研究

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关键词：多电飞机；直流配电系统；模糊PI控制；PWM闭环控制单元；DC/DC变换模块；PI控制中图分类号： TN722.7+2.34 ；TM910 文献标识码：A 文章编号：1004-373X（2025）20-0018-07

Research on multi-electric aircraft power distribution system based on fuzzy PI control

LIJie¹，YAO Zheng1，LIUXiaoyue'，LIJianjiang²

（1.Hbeidil Technology，Tangshan630o，China;2.angshanShangxinRongdaElectronicProductsCo.，td.，Tangshan630oCina）

Abstract：Inallsiontothestabilityandcontrolproblemsof thepowerdistributionsystemof multi-electricaireraft，a methodfclosed-loopcontrolbasedonfuzzyPIcontrolisproposedtoimprovethefluctuation-resistantabilityoftheaireraft systemas wellastheresponse speed，soas torealizethestableoperationof theaircraft undervarious complexconditions.A modelof highvoltageDCpowerdistributionsystembasedonloadchangeisconstructed，andfuzzyPIcontrolisusedtoconduct dynamicresponsecomparison testwithPIcontrol methodunderthre loadconditions：constantvoltage load，constantcurnt loadandconstant powerload.ThesimulationmodelofaireraftDCpower supplyanddistributionsystemisconstructed，and variousircuitparametersarecomparedwiththeindustrystandardofmulti-electriclargeairerafttoverifytherationalityof the constructedmodel.Theexperimentalresultsshowthat，incomparisonwithPIcontrol，theaireraftpowerdistributionsystem basedon fuzyPIcontrolismorestableandhasfastertransientresponsespeed，whichcanprovideacertaintheoreticalbasis and engineering technology support for the safe flight of multi-electric aircraft.

Keywords：multi-electricaireraft; DC power distributionsystem;fuzzy PIcontrol; PWMclosed-lopcontrolunit;DC/DC conversion module; PI control

0 引言

多电飞机旨在用电力替代传统二级能源（如液压和气压），以降低机身复杂度并最大程度提高飞机能源使用效益，这对于降低燃料消耗和环保有着关键性的影响，因此，多电化的应用已成为当前飞机制造技术的热点。（剩余7827字）