机械设计制造及其自动化 外文翻译 外文文献 英文文献 液压支架的最优化设计.doc

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1、摘要翻译：英文原文本文描述了一个过程的最优测定两组参数的液压支架用于采矿业。这个过程是基于数学规划方法。在第一步中，参数的最佳值，一些领先的四连杆机构被发现以确保所需的运动的支持以最小的公差的优化值领先的四连杆机构，因此响应计算的液压支架会令人满意的OptimaldesignofhydraulicsupportM.Oblak.B.HarlandB・ButinarAltractThispajxT(kvcribesaproaxlureloroptimal(leterininatioiioftwogroujxofparametersofahydraulicsupportemp

2、loyediiitheniiniugindustry.Theprocedmrisbasedonmathcinatic;ilprogrammingmethods.Inthefirststep・theoptiinidvaluesofsomeparametersoftheleadingfoiu-barmechanismarcfoundinordertoensuretheck^iralmotionofthesupportwithminiinaltraiiswr・saldisplacements.Inthesecondstep,maximaltolerancesoftheopti

3、nuilvaluesoftheleadingfour-barmechanismarccalculated,sotheresponseofhydraulicsupportwilll)esatisfying.Keywordsfour-barmechanism,optimaldesign,matli-einaticalprograinining.approximationmetliodtolerance1IntroductionThedesigneraimstofindthel)estdesignfortheinccluin-icalsystemcoiisidcral.Par

4、tofthiseffortistheoptiinalchoiceofsonicselectedpar;unctcrsofasystem.Methodsoflnatheinaticalprogrammingcanlx?used,ifasuitableinatlicinaticalmodelofthesystemismade.Ofcourse,itdependsonthetypeofthesystem.Withthisformulation,goodcomputersupportisassuredtolookforoptimalpa-r;mictersofthesysten

5、rThehydraulicsupport(Fig.1)describedbyHarl(1998)isapartoftheminingindustryequipmentinthemineVelenjc-Slovcnia.iwcxlforprotectionofworkingeiniroiuiicntinthegallery.Itconsistsoftwofour-biu*mechanismsFEDGandAEDBasshowniiiFig.2.TheinechaiiismAEDBdefinesthepathofcouplerpointCandtheliiechaiiis

6、niFEDGisusedto(lrivcthesupportbyahv

7、theearthniacliine.Aprototypeofthehydraulicsupportwastestedinalaboratory(Grin1992).ThesupportexhibitedlargetnuisvxTSiildispkicenients.wliicliwouldreduceitsch卜plopbility.Tlicrcforc,aredesignwasnecessary.Theprojectshouldbeimprovedwithminiinalcostifpos-sible.Itwasdecidedtofin