基于質(zhì)點(diǎn)—彈簧模型的人體軟組織形變技術(shù)的研究.pdf

1、哈爾濱工程大學(xué)碩士學(xué)位論文基于質(zhì)點(diǎn)—彈簧模型的人體軟組織形變技術(shù)的研究姓名：?jiǎn)瘫暾?qǐng)學(xué)位級(jí)別：碩士專業(yè)：控制理論與控制工程指導(dǎo)教師：葉秀芬20081001哈爾濱f：群大學(xué)碩十學(xué)位論文ABSTRACTAlongwithunceasingconsummationanddevelopmentofthemodemmedicaltechnologytheperfectcombinationofvirtualrealitytechnologyand

2、surgeryformedtheimportantapplicationinmedicalfieldVirtualSurgeryThevirtualsurgeryprovidesthetruereappearanceofsurgicalsceneinvisionandtouchfortheusers，itcanappliedinsurgeontraining，surgicalevaluationoftheresultandsurgica

3、lnavigationetcVirtualsurgeryplaysanimportantroleinextendingsurgerytrainingandcomplicatedoperation。AsaresultofthedoctorscontactmostisthesofttissueinsurgerySOthesimulationofsofttissuedeformationisoneofthekeytechnologiesinv

4、irtualsurgeryanditregulatesthedevelopmentofvirtualsurgeryDuringthesimulationofsofttissuedeformation，thesystemmustsatisfythestabilityandtheprecisionwhenitgeneratesdeformationAtthesametime，asthesimulationsystemofvirtualsur

5、gerymustguaranteethereal—timeinteraction，Seal—timebecameoneofthemostimportantrequirementsinsofttissuedeformationSo，thedeformationofsofttissueinvirtualsurgerymustmeettherequirementofstabilityprecisionandrealtimeInthispape

6、rithasaresearchonthetechnologyofsofttissuedeformmioninvirtualsurgerysimulationbasedonthethreeaspectsaboveInstabilitythispapercomparesandanalysesthephysicalmodelsofsofttissuedeformation，andchoosesthemassspringmodeltobuild

7、thesystemByimprovedregularhexagontopologybasedonmassspringmodel，itguaranteesthestabilityindeformingInprecision，byestablishingandanalyzingthedynamicsmodelofthesofttissuedeformation，wechoosemid—pointmethodasthenumericalalg