盾構(gòu)姿態(tài)測(cè)量系統(tǒng)誤差分析及補(bǔ)償

1、華中科技大學(xué)碩士學(xué)位論文盾構(gòu)姿態(tài)測(cè)量系統(tǒng)誤差分析及補(bǔ)償姓名：蔡海洋申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：機(jī)械電子工程指導(dǎo)教師：朱國力20090518華中科技大學(xué)碩士學(xué)位論文華中科技大學(xué)碩士學(xué)位論文IIAbstractHighprecisionrealtimeattitudemeasurementofthetunnelbingmachineisimptantftheautomaticnavigationsystemofthetunnelbingmach

2、ine.OurresearchgroupproposesaCCDbasedmeasurementsysterm.Thispaperanalyzeserrsourceofthesystermerrcompensationschemeisdiscussedtoo.Inthesystermtiltsensisussedtomeasurethepitchanglerollangleofthethreeattitudeangle.Thehizon

3、talangleismeasuredbytheCCDcamera.Intheimplementtationfothesystermtherearethreemajerr:themeasurementerrofthetiltsenstheerrcausedbyimpreciseclibrationoftheinternalparametersofthecamerainstallederroftiltsenscamera.Simulatio

4、nanalysisoferrsisdonetodeterminetheaccuracyofthesens.HighdercurvemodelbetweenmeasurementerrenvironmentaltempreatureisbuilttheparametersofthemodelaredeterminedbyLeastsquaremethod.Ultimatelytherollanglepitchanglemeasuremen

5、taccuracyareimproved.TheinternalpatametersoftheCCDcameraiscalibaratedbyZhang’scameracalibrationmethod.Ameaccuratecalibrationmethodofthefocallengthisdiscussedinthispaper.HowtheinstallationerrofthetiltsenstheCCDcameraimpac

6、tontheattitudemeasurementisdicussedinthispaper.Theinstallantionerriscalibratedtheoverallmeasurementaccuracyisincreasedbyuseingtheerrcompensationalgithmdiscussedinthispaper.Experimentshowsthattheattitudemeasurmentsysterma