基于L0-L2混合正则化的直升机挂架冲击载荷识别研究

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关键词：冲击载荷识别；直升机武器挂架；Tikhonov正则化；稀疏正则化；贪婪算法 中图分类号：TH113.1 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202408066

Abstract：Identificationofimpactloadsplaysanmportantoleinelicopterstructraldsign，dynamicoptizationandhealthooing ThclassicalToeglazatiometdsdotLoasliatsinentificatioacuracdstabilityeearste emergingsparseregularzationthorybasedontheLOnohasprovidedanewexploratoryaproachforoptimizingtheclasicalToov regularizationipactlodidentificationmetodispaerfullutilstespaeprorifoatioofipactlodsintetiedinand proposesamixedregularizationimpactloadidenticationmethodbasedontheLO-LnormTheorthogoalmatchngpursuitalgorithm sparselyrepresentsthetransferfunction，andloadidentificationisperformedbasedonthetransfermatrixobtainedfromthesparse representationusingteToovgularzatiometodTepropoedethdisomparedithteasicalToovegularzatieto basedontheL2noandthesparseregularizationmetodbasedonteLOnorm.Numericalsimulationsofacantileverbeamandgroundtests ofahelicopterweaponrackshowthattheimpactload identfication methodforhelicopterweaponpylons basedontheLO-L2mixed regularizationcanobtainsparsesignalsinthetimedomainTheidentificationaccuracyand noiseresistanceperformanceareimproved comparedtoboththeclasicalTikhonovregularizationmetodbasedontheL2nomandthesparseregularizationmethodbasedonthe L0 norm.

Keywords：impactloadidentification;helicopterweaponpylon;Tikhonovregularization;sparseregularization;greedylgoritm

武装直升机是陆军航空兵的主力装备，决定一型武装直升机战斗力的重要因素之一是其搭载的武器。（剩余14435字）