微型渦噴發(fā)動(dòng)機(jī)自適應(yīng)控制技術(shù)研究.pdf

1、南京航空航天大學(xué)碩士學(xué)位論文微型渦噴發(fā)動(dòng)機(jī)自適應(yīng)控制技術(shù)研究姓名：魏芳申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：航空宇航科學(xué)與技術(shù)（系統(tǒng)仿真與控制）指導(dǎo)教師：張?zhí)旌?0080101微型渦噴發(fā)動(dòng)機(jī)自適應(yīng)控制技術(shù)研究iiABSTRACTThetechnologyofFullAuthityDigitalElectronicControl(FADEC)makesitpossibletoadapttheadvancedcontrolstrategyinaeroen

2、ginecontrolsystems.Singleneuronadaptivecontroladaptivecontrolbasedonneuralwkpredictionhavebeenstudiedfthemicroturbineenginebytheysimulationhardwareinloopsimulationrigtest.Thecontrolsystemhardwareinloopsimulationenvironme

3、ntisestablishedintowaspects.FirstlybasedontheComplexProgrammableLogicDeviceSOCmicrocontrollerC8051F021thesignalemulatisdevelopedtoprovidetheinterfacesignalfthesimulationsystem.Secondlyamathematicalmodelofthemicroturbinee

4、nginewhichincludesstartingbehavimodelisdevelopedtoprovidethesimulationenvironmentfthestudyofadaptivecontrolalgithm.AccdingtothewideoperatingconditionrangeunstabilityofthefuelpumpofthemicroturbineengineakindofadaptivePIDc

5、ontrollerbasedonsingleneuronisappliedwherethePIDparameterscanbeselfadjustedbytheerrerrratestheacceleratoferr.Thiscontrolalgithmhasbeenrealizedintheelectroniccontrolunit.Hardwareinloopsimulationrigtestresultsshowthattheco

6、ntrollerhasgooddynamicstaticperfmancemeanwhilesatisfysrealtimecanbeusedintheelectroniccontrolunit.IndertosolvethetimedelayproblemanadaptivecontrolmethodbasedontheRBFneuralwkpredictionwasappliedinmicroturbineenginecontrol

7、system.Theresultsofhardwareinloopsimulationdigitalsimulationindicatethat:fecastingmodelcanaccomplishthepredictionofrotationalspeedeffectivelyovercomethetimedelayproblemincontrolsystem.Keywds:microturbineenginesingleneuro