智能板梁作動器傳感器個數與位置的拓撲優(yōu)化.pdf

1、西安電子科技大學碩士學位論文智能板梁作動器傳感器個數與位置的拓撲優(yōu)化姓名：程有偉申請學位級別：碩士專業(yè)：機械電子工程指導教師：劉明治20090101AbstractAtpresent，theactivevibrationcontrolisamainresearchdirectionoflalgescaleflexiblestructurevibrationcontr01Oneofitsimportantquestionsistodete

2、rminethenumberandthepositionofsensorsandactuators，byleastnumbersandbestpositiontealizethecontrolgoalBut，invibrationinitiativecontrol，theactuatorsthatarefixedinunsuitablepositionmaycauseoneorsomemodelawdriving，whilethesen

3、sorsthatarefixedinunsuitablepositionmayaffectidentificationPrecisionofparametersThenitwillcauseimmediateimpactonthefunctionsofclosedloopcontr01systemandevenitsstabilityThesensorsandactuatorsneedsomecostsAndthecostoftheda

4、taacquisitionandprocessingequipmentsforsensorandthedrivesetsforactuatoraletooexpensiveInspiteofeconomics，itishopethattheusingofsensorsandactuatorsisaslittleaspossibleThereforeitthereareveryimportantpracticalvalueandstudy

5、significancetodeterminetheoptimalnumberofactuatorsandsensorsandconfigurethemattheoptimalplaceThearticletakethebracketofcantileverbeamvibratingsystemastheobjectofstudy，usingthepiezoelectriceffectofthepiezoelectricitymater

6、ial，toanalyzethemutualcouplingrelationsbetweenpiezoelectricactuators／sensorsandthebracketofcantilever，deducetheequationoftheirmutualcouplingandestablishthetopologicaloptimizationmodelofthenumbersandplaceofactuatorsandsen

7、sorsOnthatbasis，takethesystemsmallestenergyastheoptimizationobjectivefunction，applythethoughtoftopologicaloptimizationofstructure，putoutthemethodoftopologicaloptimizationalgorithmandwritetheprogramoftopologicaloptimizati

8、onAndcombinethepracticalmodeltooptimizethenumbersandpositionofactuatorsandsensorsFinally，itconfirmsthatthismethodiscorrectbyanactualexampleKeywords：BracketofCantileverBeamActuator／SensorOptimizeDispositionVibrationContro