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ID:36403829
大小:13.20 MB
页数:86页
时间:2019-05-10
《旋转状态下倾角传感器的性能及测试补偿方法研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、北京机械工业学院硕士学位论文旋转状态下倾角传感器的性能及测试补偿方法研究姓名:王超申请学位级别:硕士专业:检测技术与自动化装置指导教师:高国伟20071201ABSTRACT——————_————--——————_——————————-—————————————————-—————————————一一-Anglemeasurementisanimportantcomponentofthemeasuringscience.Itismoreandmorewidelyappliedtoavarietyoffields,
2、suchasmachinery,optics,aviation,spaceflight,navigation,andthetechnicallevelandaccuracyareimprovingconstantlywithscientificprogress.Inclinationangleofanobjectinterferedwithsomeaccelerationisanindispensableparameterdescribesthemotionstateofthatobject.Thereareim
3、portantmeaningsinthetraffic,industry,spaceflight,militaryfieldsandplaysaveryimportantroleinlocalizingandtrackingofthegoal.Soitisofgreatpracticalvaluetodevelopadynamicanglemeasuringsystemwithdigitalinterfaced,moderateprice,highprecisionandlargemeasuringrange.I
4、nclinationmeasurementunderthecircumrotationstateisoneofthedynamicinclinationinterferedwithacceleration.Undercircumrotationreferencesystem,anobjectweighedmispulledbyaforcefromthecenterofthecircumrotation,however'itdoesn’taccordwiththefirstlawofNewtonforithaven
5、otanacceleration.Sothereferencesystemisanon—inertialcoordinateonealthoughitdoesauniformmotionrelativetoinertialreferencesystem.InordertokeeptheformoftheNewton’Ssecondlaw,amassforceF÷=/r/O)-rcalledcentrifugalforceoughttobeintroduced。where,.representthevectorfr
6、ompivottotheveryobjectandperpendiculartothepivot.Underthiskindofstate,theaccelerationaffectingtheaccurateoutputofthemeasuringsystemi8jUStcausedbythisforce.Facingtheobstaclethatthereisfewliteraturetobereferenceddomesticandinternational,thepapergives5kindsofsch
7、emescapableofcounteractingtheveryerrorbycentripetalaccelerationinmeasuringsystemofdynamicinclinationbaseonMEMSaccelerometer.Theseschemesarecomparedintermsofthecostofsoftwareandhardwareandthecomplexity.Atlast,tworelativelybetterschemesarechosenandRealized.Ther
8、esultiselaboratedandanalyzedaccordingtotheexperimentalcontrast。IIABSTRACTThemeasuringsystemunderthecircumrotationstatementionedinthispaperwasexperimentedontheTZS·74IIAgyroinstrumentexperi
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