直升机飞行性能和可靠性的仿真与评估研究

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1、国防科学技术大学硕士学位论文直升机飞行性能和可靠性的仿真与评估研究姓名：庄景钊申请学位级别：硕士专业：兵器发射理论与技术指导教师：廖瑛2002.11.1嗣防科学技术大学研究生院学位论文摘要直升机在军事和国民经济中蒋着极为重蒺的沼谂。本文以赢升机维护工作为中心，辩煮开梳的飞行经煞进符仿冀，并对豁律露靠往捂探遴符了探讨，耄孪论了霹靠往数据豹分析方法及箕在巍升枫维护工作中的应用。曾先，讨论了畿赘瓿飞行性熊_衽涡轮辘发动辊工俸耪经翡表述方法，建立了满鞴发动梳稳态菲实时数学模型，并讨论了萁解法及应稻。其次，蒸子发动橇台架性能计算对该楱囊进行了楚弦，褥裂涡辘发动檄互终过稷静熬力学模登。裰撰馥模型

2、，辩发动梳往黥送行了计算，送嚣计算寝飞行程熊。楚飞行性熊数摆慰掭壤性髓数据，驻浮蛰纛器钒当兹熬飞行憨艇，并鼷溅英交耽熬势。然菇，辩哥靠髓数据的炎型辩鲶理穷法进行了辩论，势叙述了霹靠镁工作奁誊势辊缎妒中懿应翔。最螽奔绥了弼予塞秀极飞程经麓秘胃纛性静傍冀与谬话系统，势且绘窭了一个程毙系统上运孬褥爨鲍壹舞戡仿粪结果。关键词：意魏梗；，涡轮轴发动极，建模与仿真，性熊评健，可靠性分柝AbstractTodayhelicoptersareofmuchimportanceinmilitaryaffairsandnationaleconomyfields．Thesimulationoftheheli

3、copter’Sflyingperformanceisfirstintroducedhere，andthensomedescriptionsofreliabilityarediscussed．atlastsomemethodsusedtodeal谢tllthereliabilitydataandtheirapplicationsinthehelicopter’Smaintenanceareanalyzed．Alltheworkshavingbeeninvolvedabovearecarriedoutbeingcircledwiththemaintenanceofhelicopters

4、．First,thecharactersofthehelicopter’Sflyingperformanceandtheprocesscharactersoftheturboshafta豫discussed．Astabilizationandnon-reai-statemathmodeloftheworkprocessoftheturboshaRisestablished．Thesolutionofthemodelanditsimplementationsaleexplainedbriefly．Secondly，asimplifyingworkofthemodelabovebased

5、ORthecalculateprogramoftheengine'stestperformanceisbroughtup，andathermodynamicmathmodelissetupintheend．Thecharactersoftheengineandthefiringperformanceofthehelicopterarecalculatedbased01"1thethermodynamicmathmodel．Acomparebetwcenthesimulationdataandthestandarddatapresentedbythemanufactureristake

6、ntoevaluatethehelicopter’Scurrentperformanceandpredictthedevelopingtrandofthepcrformance．Thirdly,adiscussionofthereliabilitydatatypesandtheirtreatmentsispresented．Theapplicationsoftheseanalyzedresultsinthemaintenaltccofhelicoptersaregivenout。Finally’thesoftwareoftheSimulationandEvaluationSystem

7、ofFlyingPerformanceandReliabilityforHelicopters(S&EFPRttt)isil撞ccId越eedshortly,andtheresultofahelicopterontheS&EFPRfl-Iispresented．Keywords：Helicopters,Turboshaft,ModelingandSimulation,PerformanceEvaluation,ReliabilityAnalyze独创性声明