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Dynamic Property Identification of Structures with Hinge Joint using Maximum Likelihood Estimation
원준호,Chekyu Lim(임체규),Dooho Lee(이두호),Jooho Choi(최주호) 대한기계학회 2011 대한기계학회 춘추학술대회 Vol.2011 No.10
Identification of dynamic properties for structural joints is important in the prediction of dynamic behavior of assembled systems. However, the real values of these properties have large uncertainty and identification of the properties using analytical or experimental approach is extremely difficult or sometimes impossible. Several studies proposed hybrid or synthesis methods which simultaneously use analytical and experimental approaches to identify the dynamic properties of joint. However, among the many types of joints, the bolt joint was only treated as a practical example in most of the studies. In this study, for verification model composed of simple plate with a hinge joint, dynamic properties are identified by using maximum likelihood estimation (MLE). Finally, the proposed method is applied to a real glove box that includes the hinge joints in a vehicle.