简介:摘要:固态功率控制器(SSPC)作为先进航空配电系统中的关键设备,已成为将来发展的必然趋势,其功能和性能直接影响着配电系统的安全性与可靠性。本文从航空配电系统中SSPC的应用背景和需求出发,详细介绍了直流和交流SSPC的工作原理。通过分析国内外SSPC技术的应用与发展现状,总结了未来SSPC技术领域的研究热点方向,为今后配电系统的设计和发展奠定基础。
简介:A10mW,4GHzCMOSPhase-LockedLoopwithDual-ModeTuningTechniqueandPartly-lntegratedLoopFilter;Aclean,quiet,environmentallyfriendlysnowmobile;Acomputer-controllersystemforstudyingthethermodesorptionofdeuterium;AcontrolofvehicleusingSteer-by-WiresystemwithHardware-In-the-Loop-Simulationsystem;AcorrdinatcdcontrolofSTATCOMtoimprovevoltagestability;ADesignofReflection-TypePolarizationControlDeviceUsingFerroelectricLiquidCrystals;
简介:Aremotesupervisorysystemforapowersystemprotectionandcontrolunitapplyingmobileagenttechnology,Aruggedandintelligentradiationmonitoringinstrumentforthebattletanks,Asecond-ordersemi-digitalclockrecoverycircuitbasedoninjectionlocking,ASingleClockCycleMIPSRISCProcessorDesignusingVHDL,Astudyonelectrochemicalmicromachiningforfabricationofmicrogroovesinanair-lubricatedhydrodynamicbearing,Astudyonhydrauliccontrolofafrictionbrakeforrailwayrollingstock(Istreport,adevelopmentofapoppettypebrakepressurecontrolvalve),Activecontrolofabladeflutterbymeansofacousticexcitation(lstreport,thecaseoflowfrequencyvibrationandsettingsoundsourceinparallelwithabladesurface)。
简介:AFlexibleMultivariableExperimentalAirTankSystemforProcessControlEducation,AGeneralFrameworkforTrackingObjectsinaMulti-CameraEnvironment,AHIGHLYSCALABLE3DCHIPFORBINARYNEURALNETWORKCLASSIFICATIONAPPLICATIONS,AMulti-InstitutionalInterdisciplinaryDistanceControlsExperiment;BringingEngineeringandEngineeringTechnologyStudentsTogether.
简介:摘要本设计以单片机AT89C52为核心芯片,从电网中检测到和功率因数相关的参数(电压、电流、有功功率)送到主控单元,CPU计算出功率因数,将其和功率因数上下限比较,发出投切电容器的命令。本设计的装置能够实时显示电压、电流、功率因数、投切电容组等状态,并有报警、闭锁功能。同时用户可根据需要设定功率因数上、下限,过电压值等参数。在单片机与上位机的通讯中,采用了RS—485总线标准,上位机可实时监控功率因数等状态。
简介:AComparativeStudyofFeedbackControllerSensitivitytoallOrdersofPMDforaFixedDGDCompensator.Aconstructionofnonlinearservosystembyusingnonlinearplug-inadaptivecontrolscheme.AcontrollerdesignforreferencesignalwiththeN-thpoweroftilne.ALMI-basedSupervisoryRobustControlforHybridVehicles.ALPVApproachtoRobustH{sub}2andH{sub}∞,StaticOutput-FeedbackDesign.