文档名：基于业务性能偏差感知的电力通信网路由优化策略
摘要：针对新兴电力业务对时延、可靠性的严苛要求,提出一种基于业务性能偏差感知的电力通信网路由优化策略.在建立"能量-信息"耦合网络模型基础上,量化分析电力业务转发时延与可靠性约束,设置与能量层、信息层重要度相关的业务效用最大化问题,利用虚拟队列积压感知多跳长时路由优化中的业务性能偏差,基于引入记忆空间的改进SARSA(λ)算法,实现信息不确定场景下的电力通信网路由优化.仿真结果表明,所提算法可有效提升业务效用,在转发时延、丢包率方面性能更优,且可通过权重系数调节适应不同场景的差异化业务需求.
Abstract：Inthecontextofnewpowersystemconstruction,thetraditionalpowergridwiththemainpurposeofenergytransmissionisdevelopingtowardsthetrendof"energy-information"couplingnetwork.Meanwhile,thedevelopmentofemergingpowerservicessuchas"source-grid-load-storage"collaborativeinteractionalsoputsforwardhigherdemandsfortheservicebearingcapacityofpowercommunicationnetwork.Duetothemulti-timescaleenergyregulationrequirementsinthenewpowersystem,thebottleneckofnetworkbandwidthanddeteriorationofserviceperformancecausedbyfrequentinformationexchangearebecomingincreasinglyprominent.Inresponsetotheseissues,thispaperproposesaserviceperformancedeviationawareness-basedpowercommunicationnetworkroutingoptimizationstrategy,whichutilizesadvancedartificialintelligencemethodstoachievedeterministicservicedemandguaranteeforpowerservices.Firstly,an"energy-information"couplingnetworkmodelisestablished.Theemerging"source-grid-load-storage"collaborativeinteractionserviceleadstofrequentinformationexchangeinthenewpowersystem,wherepowercommunicationnetworkisoneofthethreepillarssupportingthesafeandstableoperationofthepowersystem.Therefore,thereliabletransmissionofinformationplaysamoresignificantroleintherationalallocationofenergy.Furthermore,consideringthecurrentsituationofpowercommunicationsystemconstructioninChina,apowercommunicationnetworkmodelisestablishedbasedonsoftwaredefinednetworkarchitecture,inwhichtheend-to-endforwardingdelayofservicesisanalyzed.Duetothecomplexcharacteristicsofnetworktopologyandforwardingconflictscausedbymultipleservicesconcurrentaccess,amultihopandlong-termpowerservicereliabilityconstraintmodelisgiven.Then,thispapersetthenetworkutilityastheamountofsuccessfullyforwardedservicedatarelatedtothegridnodeimportanceandserviceinformationpriority,andproposesanoptimizationproblemtomaximizeglobalnetworkutilitythroughroutingselectionstrategyadjustment.Onaccountofthedifficultyinpredictinginformationaboutfutureroutenodes,themultihopandlong-termpowerservicereliabilityconstraintsareunrealizabletoguaranteeinsinglehoproutingoptimization.Sovirtualqueuesareintroducedtoachievedeviationperceptionbetweencurrentservicesperformanceandtheconstraints,therebyensuringthesatisfactionofrelevantreliabilityrequirements.Takingtheuncertaintyoftime-varyingnetworkandserviceinformationintoconsideration,thispaperusesreinforcementlearningalgorithmtorealizetheautonomouslearningoptimizationofpacketroutingoptimizationstrategyformultiplepowerservicesinthenetwork.Aimingattheproblemofinsufficientconvergenceintraditionalsinglehopoptimizationalgorithms,theimprovedSARSA(λ)withmemoryspaceisadoptedforroutingoptimization.Alongwithcontinuouslearning,earlyfailedlearningstrategieswillgraduallybeforgottentoimprovealgorithmconvergence.ThesimulationresultsshowthatcomparedwithtraditionalroutingoptimizationalgorithmsbasedonQ-learningandSARSA,theproposedalgorithmperformsbetterintermsofforwardingdelayandpacketlossrate.Specifically,theserviceutilityhasbeenimprovedby21.01%and15.92%,theforwardingdelayhasbeenreducedby11.43%and7.14%,andthepacketlossratehasbeenreducedby35.32%and19.66%.Also,theweightcoefficientcanbeadjustedtoadapttothedifferentiatedservicedemandsofdifferentscenarios.
作者：陈亚鹏 杨阳 舒乙凌 谢文正 周振宇Author：ChenYapeng YangYang ShuYiling XieWenzheng ZhouZhenyu
作者单位：新能源电力系统全国重点实验室(华北电力大学)北京102206
刊名：电工技术学报 ISTICEIPKU
Journal：TransactionsofChinaElectrotechnicalSociety
年，卷(期)：2024, 39(11)
分类号：TM73
关键词：电力通信网"能量-信息"耦合网络 路由优化 业务性能偏差感知 强化学习
Keywords：Powercommunicationnetwork "energy-information"couplingnetwork routingoptimization serviceperformancedeviationawareness reinforcementlearning
机标分类号：TN972TP391F274
在线出版日期：2024年6月18日
基金项目：国家电网有限公司总部科技项目基于业务性能偏差感知的电力通信网路由优化策略[
期刊论文] 电工技术学报--2024, 39(11)陈亚鹏 杨阳 舒乙凌 谢文正 周振宇针对新兴电力业务对时延、可靠性的严苛要求,提出一种基于业务性能偏差感知的电力通信网路由优化策略.在建立"能量-信息"耦合网络模型基础上,量化分析电力业务转发时延与可靠性约束,设置与能量层、信息层重要度相关的业务...参考文献和引证文献
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基于业务性能偏差感知的电力通信网路由优化策略 Service Performance Deviation Awareness-Based Power Communication Network Routing Optimization Strategy
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