栅极腐蚀在线测量技术项目可行性研究报告.doc

北京和德宇航技术有限公司ChinaHeadAerospaceTechnologyCo.Page：31/31ALTA公司栅极腐蚀在线测量系统技术建议书Introduction引文Scope范围AttheendofMay2013HeadAerospacehasrequestedAltatoprovideaformalquotationforanErosionMeasuringSystem(EMS)tobeimplementedinanewvacuumchamberoftheCustomer,theLanzhouInstituteofPhysics(LIP),tobeusedtoassesserosionofGriddedIonEngines.2013年5月底和德公司要求Alta为可应用于510（LIP）所新型真空灌的腐蚀测量系统（EMS）给出正式报价，该系统用于评估栅极离子发动机（GriddedIonEngines）的腐蚀情况。Applicabledocuments适用文件Thefollowingisthecompletelistofdocumentstobeconsideredapplicabletothisproposal:下表列出了可适用于该投标的所有文件：Acronymsandabbreviations首字母缩略词与缩写词首字母缩略词/缩写Meaning含义ATPAuthorizationToProceed授权进行COClose-Out完结DAQDataAcQuisition数据采集EPElectricPropulsion电推进EMSErosionMeasuringSystem腐蚀测量系统FFPFirmFixedPrice固定总价FMEAFailureModeandEffectsAnalysis失效模式与影响分析FSOFullScaleOutput全量程输出GIEGriddedIonEngine栅极离子发动机HETHallEffectThruster霍尔效应推进器HWHardware硬件I/F,IFInterFace接口IRInfraRed红外线LIPLanzhouInstituteofPhysics510所MAIManufacturing,Assembly,Integration制造，部装，集成NDANon-DisclosureAgreement保密协议QMQualificationModel鉴定样机RPARetardingPotentialAnalyzer减速电势分析仪SWSoftware软件TBCToBeConfirmed/TobeClarified留待确定TBDTobeDetermined/Defined留待决定TCThermoCouple热电偶VDCVoltDirectCurrent直流电压Introduction简介Thepresentsectiondescribesthetele-microscopyanderosionfacilityimplementedinAltaIV-4facility.本章将介绍AltaIV-4设备所采用的远程显微镜和腐蚀测量设备。Tele-microscopySystemforGriddedIonEngines栅极离子发动机远程显微镜系统AltaprovidesaninnovativediagnosticstomeasuretheerosionofthegridholesinGriddedIonEngines(GIE).Alta为栅极离子发动机网格空腐蚀情况的测量形成了一种新型的诊断方法。TheTelemicroscopydiagnosticsystemconsistsofaspecialcameramountedonamovablestructureplacedinsidethevacuumfacility.Thesystemismaintainedinaparkingpositionwhilethethrusterisfiring(Figure1-bottom),sothatitdoesnotinterferewiththeplasmaplume.Whenthethrusterstopsfiring,theTelemicroscopysystemismovedinfrontofthethrustertoperformtheerosionmeasurement.Fourledlightsoralaserlinebeamilluminatethethrusterduringtheimageacquisition.Themotionofthediagnosticsystemisobtainedthroughtwoseparatesteppermotorsonegoverningthe