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ID:33630737
大小:2.01 MB
页数:7页
时间:2019-02-27
《综合模态控制я下压电致动器的优化布局》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
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6、狀犵犝狀犻狏犲狉狊犻狋狔,犎犪狀犵狕犺狅狌310027,犆犺犻狀犪;2.犆狅犾犾犲犵犲狅犳犕犲犮犺犪狀犻犮犪犾犈狀犵犻狀犲犲狉犻狀犵犪狀犱犕犲犮犺犪狀犻犮狊,犖犻狀犵犫狅犝狀犻狏犲狉狊犻狋狔,犖犻狀犵犫狅315211,犆犺犻狀犪)犃犫狊狋狉犪犮狋:Thispaperdealtwiththeoptimalplacementofactuatorsinsmartflexiblestructures.Basedontheanalysisofdynamicequationsandstatespaceequationsoffl
7、exiblestructures,themodaltheorywasadoptedandthesingularvaluedecompositionofcontrolmatriceswasemployed.Then,acriterionofthemaximumsyntheticmodalcontrolforcewasproposed.Thecriterioninvolvedtheeffectofreservedandresidualmodestothemodalcontrolforce.Meanwhile,modal
8、weightswereconsidered.Finally,aflexiblebeamwithpiezoelectricactuators/strainsensorswaschosenasanexample,theoreticalcalculationsandtheimprovedgeneticalgorithmwereusedfortheoptimalanalysis.Thus,theoptimalpositionsofpiezoelectricactuatorswithmaximumsyntheticmodal
9、controlforcewerefound,andanexperimentalsystemwassetuptoverifytheproposedmethod.Theexperimentalresultsdemonstratethatthesystemhasagoodsyntheticmodalcontrolforceandcontroleffectbyusingtheoptimalplacementresultofactuators.Theproposedevaluationcriterionandoptimalm
10、ethodisfeasible.犓犲狔狑狅狉犱狊:smartflexiblestructures;syntheticmodalcontrolforce;piezoelectricactuators;optimalplacement§¢µÕË、jB»L、-6ôgD、gg²µ:fG£,ÿìø.1gG&,åÍÛøã¦B¦§¾A,ÓÔYZdD,[`ÂåÍ.A[12
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