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ID:33356040
大小:2.44 MB
页数:93页
时间:2019-02-25
《基于dsp控制的波控短路过渡电弧及其能量的检测分析》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
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3、ldatahavebeeEpfocessedanda珏alyz尊d8sw。il.MaiⅡres。archwork蘸藏dfesults毪reasf01lows:Becauseoftheexistingshortages0ftradniOnalMCUcontr01ledarcweldinginVertersuchasslowcomputingspeed,badreal-timeperformance,andtakingthedemandforprecisecontrOl0fweldingpOwersourceintoaccount,acom
4、pletesetOfbardwareandsoftwafe0fcoⅡtfolsystemwasdesignedbyusingaDSPdsPIC30F6010ascOntrOllingcOre;besides,phase-shiftingPWMsOft—switchfull-bridgecontr01circuitbasedonphase—shiftingcontrolchipUC3879wasadoptedindesignedweldingpowersource,whichimproVesreliability0fthewholesys
5、tem.TheweldingtechnolOgyexperimentsshowthatbothhardwareaⅡdsoftwarearefeasibleandlogicalandcanworkstably.InordertOdiminishthespatteringintheprocessofshort—circuitarcweldingandimprovearcstabiHty,aseparatedcurrentwaVeform—contrOlmethodhasbeenadoptedinthesystem.Theweldingcur
6、rentwaVeformisdividedintotw0phases,shortcircuitingandarcburning,andeachiscontrolledrespectively.IⅡshortcircuitingphase,differentcurrentriseratesarecontrolleddurjngdiffefentphasesandthemaxcurrentmustbelimited;whileinarcburningphase,highcurrentarcburningandlowcurrentarcmai
7、ntainingarecontrOlled.Inthethesis,cOrrespondingcurrentwaveform.controlsoftwarewasdesignedandPIcontroltechnologyadoptedtokeepstablecurrentoutputinweldingarcburning.Asaresult,ontheⅡ华南理工大学学位论文原刨性声明本人邦重声甥:掰呈交的论文是本人在导师的撂警下独立遴行研究所取褥的研究成果。除了文中特别加以标注弓l用的内容外,本论文不包含任何其他个人或集体已经发表或撰
8、笃的成果作品。对本文的磺究{薮出爨要贡献憋个人积集髂,均已在文中以睽确方式标明。本人完全懑识到本声明的法律后果由本人承担。俸者签名:目絮:伽::『年≤舅舶学位论文版权使用授权书本学位论文作者完全了解学校有关
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