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1、上海交通大學(xué)碩士學(xué)位論文內(nèi)高壓成形液壓機(jī)控制系統(tǒng)的研究與實(shí)施姓名：王陳喜申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：機(jī)械電子工程指導(dǎo)教師：劉利20060201上海交通大學(xué)碩士學(xué)位論文摘要本文最后對(duì)液壓機(jī)的控制方案進(jìn)行了實(shí)驗(yàn)論證，實(shí)驗(yàn)結(jié)果分析表明上述系統(tǒng)控制方案合理可行。側(cè)缸推力、位移和增壓系統(tǒng)均能正常工作，并且能夠使三個(gè)控制量之間協(xié)調(diào)工作；兩側(cè)缸的位置同步控制效果良好。該液壓機(jī)成功完成了內(nèi)高壓脹形工藝過(guò)程，各項(xiàng)控制指標(biāo)都達(dá)到用戶要求。關(guān)鍵詞：內(nèi)高壓成形，位置同步控制，高壓密封控制量協(xié)調(diào)II上海交通大學(xué)碩士學(xué)位論文ABSTRACTRESEARCHANDIMPLEMENTOFTHECON
2、TROLSYSTEMOFINTERNALHIGH-PRESSUREFORMINGEQUIPMENTABSTRACTInternalHigh-pressureForming(IHF)isametalformingprocessthatusehydraulicpressuretoformtheparts.It'snotonlyourpurposetoreduceweight,savematerials,butoneofdevelopmenttrendsofmodernmanufacturetechnology.Inrecentyears,becauseofcostso
3、fthefuelandrawmaterialsandstrictrestrictofexhaustgasemissionbyenvironmentprotectionlaws,thelightweightofthecarsisincreasinglyimportant.Besidesusinglightmaterials,theotherimportantwaytoreduceweightistousehollowmaterialsinsteadofsolidmaterials,thatistosay,forthepartstoloadbendingandtors
4、ionload,itisnotonlytoreduceweightandsavematerial，butalsomakethebestoftheintensionandstiffnessofthematerials,Basedonthisbackground,wedevelopthenewprocesswithwidedevelopmentforegroundInternalHigh-pressureFormingprocesswhichcanreduceweightandsavematerialandenergy.Afterconsultingnumerousr
5、elatedliteraturesandreferencematerialsathomeandabroad,thedevelopmentandapplicationandcurrenttrendofdomesticandoverseaofIHFissummarizedinthispaper.Inthemeantime,principleandcompositionofIHFequipmentisintroducedandbrieflyaddressed.CharacteristicsofpressureintensifiersystemofIHFIII上海交通大學(xué)
6、碩士學(xué)位論文ABSTRACTequipmentareanalyzed.AndsummarizeautomaticcontrolsystemofIHFequipment,andelectro-hydraulicproportionalcontroltechnology.Themathematicalmodelofsynchronoussystemofhighaccuracypositionisbuiltinthispaper.Severalcontrolstrategiesareintroducedinthispapertoanalyzethecharacteris
7、ticsofthesystemincludingthePIDcontrolstrategiesandsomeotherreformativePIDstrategies.Bycontrast,thePIDcontrolstrategyisthemostsuitableforthesystemandfinallyadopted.Thepaperalsodesignsandanalyzesthehardware,introducethecontrolsoftwareusedbyVisualC++,whichhaverelativelyperfectfunctionand
8、arede
