基于遺傳算法的海洋平臺(tái)傳感器優(yōu)化配置及損傷診斷研究.pdf

1、中國(guó)海洋大學(xué)碩士學(xué)位論文基于遺傳算法的海洋平臺(tái)傳感器優(yōu)化配置及損傷診斷研究姓名：劉娟申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：港口、海岸及近海工程指導(dǎo)教師：黃維平2003.6.1TheStudiesofSensorPIacementandDamageDetecti0nforOffshorePlatformBasedonGeneticAIgorithmAbstractThispaperdiscussesthedevelopmentandthemethods

2、ofsensorplacementanddamagedetection，andthebasictheoryandthecharacteristicofgeneticalgorithmItfocusesonthesensorplacementandthedamagedetectionofoffshoreplatformsTwooptimalprinciplesofsensorplacement，ModalAssuranceCriterio

3、n(MAC)andDisplaeementEnergyhavebeendiscussedbasedontherelativityofmodesandthedisplacementenergyUpdatedcumulativemethod，whichoptimizetheobjectivebycumulatingdirectlyallthefreedomsleftbyQRdecomposeaccordingtotheircontribut

4、iontotheobjective，hasbeenproposedReducedMethodhasbeenproposedbasedontheprincipleofreducingthefreedomaffectingtheobjectivethemostItissuggestedthatbothoptimalresultandeconomymustbeconsideredinasensorplacement；Appliesgeneti

5、calgorithmtothesensorplacementandpresentsdualisticcodinggeneticalgorithmaimingatrestrictionproblemingeneticoperation；Comparingtheresultsgettingfrompartialandglobaloptimalmethodsprovessuperiorityofgeneticalgorithmandprese

6、ntseachsensorplacementschemesofoffshoreplatformsTakingnaturalfrequencyandmodeasdamageprinciple，damagedetectionisstudiedasoptimalproblembasedongeneticalgorithm，anddamageindices，symmetryandprecisioninthedamagedetectionisdi

7、scussedNumericalsimulationofthedamagedetectionofoffshoreplatformsusinggeneticalgorithmprovesthefeasibilityofgeneticalgorithmindamagedetectionoflargestructure；Programalltheprocessofgeneticalgorithmindamagedetectionintodam