超聲治療儀控制電路的設計與研究

1、武漢理工大學碩士學位論文超聲治療儀控制電路的設計與研究姓名：王紫峰申請學位級別：碩士專業(yè)：控制理論與控制工程指導教師：李志俊段奇法20040301武漢理工大學碩士學位論文AbstractUltrasonicisakindofmechanicalwavethatfrequencyisupper20KHzUltrasonicmaybegeneratedbymanyultrasonictransducersTheiatricalultraso

2、nicisabout1—15MHzatpresent，whichgeneratedbypiezoelectricitycrystalatthefunctionofatternantelectricfield，Appropriateultrasonicirradiationwillacceleratetissuegrowth，havethefunctionofhealingandadjustmentForexampleultrasonic

3、irradiateheartbyO5—1W／cm2willhealcoronaryheartdisease；irradiateeyegroundbyO5W／cm2willacceleratehemostasiaUltrasonictreatmentbeginsat1930sInChina，theaspectbeginsslowly，onlyafewhospitaIsapplythistechniqueat1950s，butalongwi

4、ththerapiddeveloplnent，theapplicationsaremoreandmoreIndomestic，ChongqingHaifu(HIFU)TechnologyCo，Ltdisthebestatthefieldofultrasonictreatment，it’SproductsofHaifuFocusedUltrasoundTumorTherapeuticSystemandHaifuCZFUltrasoundG

5、ynecologyDiseasesTherapeuticDeviceisinthehighestflightinternationallyTheseproductsarewithgoodgracesbymanysuperhospitals，highprecision，strongfunctionandwelltreatedeffectarethemainreasonsButthosedon’tfittherapyinfamilies，b

6、ecauseit’Sbig，expensiveandthemanipulationisverycomplexTheequipmentforcureinthefamilyarecoarse，tiredegreeofautomationiSlOWandcan’tensuresecurityTherefore，weneeddevelopakindofultrasonictreatmentequipmentwhichofmakingakindo

7、foverseasequipmentuseforreferenceTheequipmentuseMCUAT89C51ascore，eontroltreatmentmodeanddosageaccuratelyforthepurposeofminiaturizationandintelligentThefldlpaperisdividedintofivechaptersChapteroneintroducestheultrasonicia

8、trology，includingthesummarizationofultrasonicandthemechanismoftreatmentetcChaptertwointroducestheultrasonictransducersthatareimportantinthefieldofultrasonictreatmentThemainindexandsortoftheultrasonictransducersarelistedC