中厚板轧机厚度自动控制系统的研究

《中厚板轧机厚度自动控制系统的研究》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。

1、东北大学硕士学位论文中厚板轧机厚度自动控制系统的研究姓名：胡加洪申请学位级别：硕士专业：材料加工工程指导教师：王君20040201．查兰壁翌主兰垡笙墨垒呈!!坠!!’_‘-●_●‘。‘。。’。。。-。。。。。_。-_。_。。。。-_-_--。_________。’。_。●。。--_。。_-。__-__-__-●_●_-___-____-‘●-—————————ResearchonAGCsystemofmediumplatemillAbstractIronandsteelindustryiStotakeOnunsubstitutedrolein2Ithcenturyhow

2、ever,andthecompetitionwillbemoredrasticthanever．DomesticironandsteelindustrywillcertainlyfaceausterechallengealongwithCHINAjoiningWorldTradeOrganization．Mediumplatepossessesimportantstatusinthefieldofironandsteelindustry．Thickallowanceisabasicindexmarkofmediumquality．Howtoimprovethelevel

3、ofAGCistheresearchsubjectwhichmanytechnicalpersonalsareendeavoringon．BasedonthehydraulicAGCmodernizationprojectof3500mmmediumplateofadomesticmediumplateplant，thispapersummarizedthedevelopmentandpresentactualityandresearchtrendinAGCtechniqueforplatemills．BasedOntheactualcontroldemandsofth

4、eplaterollingprocess，theAGCtheoryandtheproblemsexistedinpressureAGCapplicationarediscussed，italsoreferstothecompensationofmediumplategaugecontr01．Themaincontentsofthispaperincludefollowingparts．Firstly,thispaperintroducesthebasalconceptofAGC，andanalyzestheprincipleofgageerror。seliminatin

5、g．ThispaperdiscussesthreekindsofalgorithmsaboutpressureAGC：BISRA—AGC，dynamicset-AGC，GM—AGCandgivesnecessarytheoreticalderivation．Thisprovidesthetheoreticalbasisforthesystemdesigninganddebugging．Thispaperintroducesthissystem’Scomputerconfiguration，sensorconfigurationandtheirperformancepar

6、ameterintheviewoftheimportantpositionofthehardwareconfigurationintheengineeringproject．Fromtwoaspects：screwdowncontrolandhydrauliccylindercontrol，thispaperdiscussesthemillpressdownsystem．Italsodiscussesitsmechanicalfeather,velocitydropcurveandprincipleofhydrauliccylindercontrolling．Thisp

7、aperalsoresearchestheGapZeroingandStiffnessTestwhichisthebaseofgapcalculatinginordertocontrolsplategagemoreeffectively．Basedonthesatisfactionofconditionsmentionedabove，weapplytherelativeGM．AGC，andpointthedeficiencyofconventionalGM—AGCwithintegrationelement，thenapplynewGM—