雙路連續(xù)輸出半導(dǎo)體激光器驅(qū)動電源的設(shè)計.pdf

1、江南大學(xué)碩士學(xué)位論文雙路連續(xù)輸出半導(dǎo)體激光器驅(qū)動電源的設(shè)計姓名：華大龍申請學(xué)位級別：碩士專業(yè)：控制工程指導(dǎo)教師：施火泉朱祥賢20090601ABSTRACTABSTRACTWiththesemiconductorlaserusedwidelytherequisitionofitspowerishigherandhigherInsteadofLaserDiodeArrayweadoptedthedoubleconnectionoflowe

2、routputsemiconductorlasertealizeitandthiswaycanbeextendedtodual—outputThismethodcanreplacetheexpensivelaserdiodearrayinsomedegreeInsomefield(LaserMedicine)thiscanbeaneffectivewaySothiswayhassomerealisticmeaningandresearc

3、hvalueTomeetthedemandofitsoutputpowersupply，wesyntheticallyusedmicro—controllertechnologyLCDtechnologyandconstantcurrentsourcetodevelopitspowersupplyWeadoptedthemicro—controllertoimprovetheintelligenceandcontrollabilityU

4、ndertheworkingwaybymicro—controllersoftwaresubstituteforhardwarepartlyItnotonlycandecreasethespendingbutalsohastheadvantagethatitcanbeusedflexiblyandamendedeasilyInthedesign，weadoptedthetop—downmethodItcanbedividedintoco

5、nstantcurrentSOurCe，protecting—circuit，anti—surgecircuit，analogdigitalconverter(hDC)anddigitalanalogconverter(DAC)，theperipheralpowercircuiteta1AftereachcircuitCanbeworkedcorrectlythewholecircuitCanbethoughtovercarefully

6、Inthedesign，thecorrectcircuitundertheschemeoftendoesn’tworkundertherealconditionsSomemethodshouldbeused，forexample，thecircuitstructuremeans，powerdecouplemeans，shieldingmeansonhardwareMeanwhile，softwareoftendeviatesfromth

7、ecorrectingwaysometimesitisbrokenTopreventthephenomenon，thesofttrapandrandominstructionsareusedThepowerisconstitutedbyalotofsubcircuitEachwillinfluencethewholecircuitSoeachisconsideredcarefullyMoreimportant，thewholeperfo

8、rmanceshouldbethebestThemaincontentsofthethesisareasfollows：(1)TheoperationprincipleofthesemiconductorlaserisanalyzedindetailsTheequivalentcircuitundertheconstantworkingwayissetupThemechanismofdamageisintroducedandsomefa

9、miliarmethodsthatareinvalidated(2)Onthebasisoftherequisitionunderthecorrectworkingwayandtheneedofthesemiconductorlasersystem，themainpartisdecidedfirstlyandthenthedual—outputcircuitisoffered(3)Inthedesign，thetemperatureis

10、controlledbymicrocontrollerinordertoimprovetheintelligenceandautomaticTheADC，DACandtheperipheralpowerdrivingcircuitareintroducedindetailsSomeanti—interferencemeasureisemphasizedinsoftprocedure(4)Torealizethefactualcircui

11、t，designingthedrivingsourceanddifferentkindsofprotectingcircuitTomicrocontrolleritnotonlyrequirescorrectlogicbutalsoneedsfunctioncircuitandperipheralcircuitThecircuitmixed、析thanaloganddigitalshouldbeemphasizedtheantidist