文档介绍:(leterniinationoftwogroii]-)-eisbasedoniuatlieinatic;,theoptinuilvaluesofsomeparametersoftheleadingfour-barmechanisniarefoundinordertoensurethedesiredmotionofthesupportwithininiiiialtraiisver-sal(,maximaltolerancesoftheoptinuilvaluesoftheleadingfour-barmechanismarecalculated,-barmechanism,-ematicalprogramming,approximationmethod・tolerance1IntroductionThedesigneraimstofindthebestdesignfortheineclvin-;,,it(,pitcrsupportisassiuedtolookforoptimalp»r;unctcrsofthesvstem・Thehydraulicsupport((1998)jo--bm*(],,isverticalwithiiiiiunuiltr;uisvers;,thehydraulicsupportwillnotworkproperlybecauseitisstnuuledonreinu^(Grin1992).Thesupportexhibitedlargetriuisvcrsiil(-,-sil> ioftheleadingfour-barineclKinisinAEDBw让hmethodsofliiathcinaticalpro-・Thesolutionofabove