智能板梁作動(dòng)器傳感器個(gè)數(shù)與位置的拓?fù)鋬?yōu)化.pdf

1、西安電子科技大學(xué)碩士學(xué)位論文智能板梁作動(dòng)器傳感器個(gè)數(shù)與位置的拓?fù)鋬?yōu)化姓名：程有偉申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：機(jī)械電子工程指導(dǎo)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