某微型涡喷发动机数控系统研制

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1、上海交通大学硕士学位论文某微型涡喷发动机数控系统研制姓名：刘铁庚申请学位级别：硕士专业：动力工程指导教师：刘永文;周剑波20080401上海交通大学硕士学位论文ABSTRACTABSTRACTThepapermainlydiscussedtheresearchanddevelopmentofacertainminiturbojetdigitalcontrolsystemwhichisadauntlessexplorationandattempt.Throughacoupleofyears’testandhardwork,breakthrough

2、sofvariouskeytechnologieshaveattained.Andasuccessfulflighttestinanairforcebaseisdone.Baseonthestudyoftheminiturbojetdigitalcontrolsystemandalreadyexistedconclusion/experience,theprojectargumentation,thedesignandthestudyofcontrollawandmodes，systemreliability,theEMCdesign,syst

3、emsimulationandtestresultsaredemonstrated.Aeroenginedigitalcontrolsystemcanlargelyexpandtheperformanceofaeroengineandrepresentsthetrendofaeroenginedevelopment.Thefuelmeteringunitscommonlyadaptedbylargeaeroenginearenotproperformoderateandsmallaeroenginesduetostrictlyrequireme

4、ntsofthestructureandscaleofcomponentsandsystems.Thedesignpresentsbythispapercanfulfilltherequirementsofacertaintypeofmini-turbojetengineandcanbeappliedtoothertypesofaeroengine.Theresearchofcontrollawandcontrolmodeoftheaeroengineisalwaysanexcitingfieldforengineersandresearche

5、rs.Inordertofindtheoptimumcontrollawandthefittestcontrolmodematchedtoacertainmini-turbojet,thispaperdiscussedthestartcontrol,steadystatecontrolandtransientstatecontrolaswellascontrolmodeindetail.TheresearchofreliabilityandEMCdesignofcontrolsystemisabrandnewtopicatpresentindo

6、mestic.Basedontheengineeringpractice,thispapersummarizessomeexperimentsandtechniquesofreliabilityandEMCdesignincontrolsystemwhichcannotonlybeappliedtothedevelopmentofacertainminiturbojetenginebutalsobereferredbyotherresearchfields,suchasreliabilityandEMCdesignofavionics,etc.

7、Theresearchanddevelopmentofaeroengineandcontrolsystemwereusedtobeadesign-test-redesign-retestcycle.However,itisevidentthatitresultslongdevelopmentperiod,greatinvestmentandhighrisk.Thispaperintroducesamathematicsimulationmethodduringthecontrolsystemdesign.Usingthismethod,many

8、problemscanbeemergedandsolvedduringtheresearchphaseofcontrolsystem.Alltheme