第48卷第1期2024年1月doi:10.11832/j.issn.1000-4858.2024.01.022某大扭矩船用间接式阀位指示器测量误差分析张宏'，刘佳康"，王守真²，雷宜达"，刘佳杭（1.大连理工大学机械工程学院，辽宁大连116000；2.大连船用阀门有限公司，辽宁大连116033）摘要：为实现阀门遥控系统中阀门开度的精确测量，对影响船用间接式阀位指示器误差最大的油液压缩性进行了研究,提出了应用AMESim仿真与压缩性变化特性方程及结构相结合的策略对不同工况下液压油的有效体积弹性模量进行研究的方法，进而得到间接式阀位指示器测量误差变化规律，揭示了阀位指示器在油路中不同安装位置对测量误差的影响。结果表明：间接式阀位指示器测量误差对油液压缩量敏感，当油液含气量从0.05%增大到1%时，油液压缩量增加，测量误差变大；含气量相同，在低压、高温工况下，会加大测量误差。研究成果为新型船用间接阀位指示器补偿模块的研究提供了模型基础。关键词：AMESim仿真；间接式阀位指示器；油液压缩；测量误差中图分类号：TH137文献标志码：B文章编号：1000-4858(2024)01-0181-08MeasurementErrorAnalysisofaMarineIndirectValvePositionZHANGHong",LIUJia-kang',WANGShou-zhen’,LEIYi-da',LIUJia-hang'(1.SchoolofMechanicalEngineering,DalianUniversityofTechnology,Dalian,Liaoning116000;Abstract:Inordertorealizetheaccuratemeasurementofthevalveopeninginthevalveremotecontrolsystem,theoilcompressibilitythataffectstheerrorofthemarineindirectvalvepositionindicatorisstudied,andamethodisproposedtostudytheeffectivevolumetricelasticmodulusofhydraulicoilunderdifferentworkingconditionsbyusingthecombinationstrategyofAMESimsimulationandcompressibilitychangecharacteristicequation,andthenobtainesthevariationruleofthemeasurementerroroftheindirectvalvepositionindicator,andrevealestheinfluenceofthedifferentinstallationpositionsofthevalvepositionindicatorintheoilcircuitonthemeasurementerror.Theresultsshowthatthemeasurementerroroftheindirectvalvepositionindicatorissensitivetotheoilcompression.Whentheoilgascontentincreasesfrom0.05%to1%,theoilcompressionincreasesandthemeasurementerrorbecomeslarger,thesamegascontentwillincreasethemeasurementerrorunderlowpressureandhightemperatureconditions.Theresearchresults...
