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Journal of mechanical science and technology v.24 no.6, 2010년, pp.1311 - 1317   SCIE
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Application of bouc-wen model to frequency-dependent nonlinear hysteretic friction damper

Kang, Dong-Woo    (Washing Machine Division, Home Appliance Company, LG Electronics   ); Jung, Sung-Woon    (Washing Machine Division, Home Appliance Company, LG Electronics   ); Nho, Gyung-Hun    (Washing Machine Division, Home Appliance Company   ); Ok, Jin-Kyu    (R&D Intelligence Sil, Home Appliance Company   ); Yoo, Wan-Suk    (School of Mechanical Engineering, Pusan National University  );
  • 초록

    To reduce vibration and noise, various dampers have been applied to many devices such as vehicle suspensions and washing machines. In washing machines, lubricated friction dampers, usually of very simple structure, are installed. Despite the simple structure of these dampers, their dynamic behaviors do not lend themselves to easy mathematical model development, owing to nonlinear characteristics such as hysteresis, viscous elasticity, and other complications. To determine the characteristics of a lubricated friction damper, physical tests with various amplitudes and frequencies were carried out. The complicated lubricated friction damper curves obtained through the physical tests showed hysteretic behavior. In the present study, an analytical model of a hysteretic friction damper was developed, after which optimum parameter values and the maximum friction force were evaluated using an optimization technique. For description of the friction force as changed by the excitation amplitudes and frequencies, a relationship between the sponge velocity and the STV (stick transition velocity) was considered. To describe the hysteretic behavior of the friction damper, a Bouc-Wen model was adopted.


  • 주제어

    Friction damper .   Physical test .   STV (stick transition velocity) .   Bouc-Wen model .   Washing machine.  

  • 참고문헌 (9)

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    3. H. Wee, Two-DOF Nonlinear System Analysis Using a Generalized Bouc-Wen Model, Proceedings of SPIE the International Society of Optical Engineering, (2000) 1692-1695. 
    4. J. K. Ok, W. S. Yoo and J. H. Sohn, Experimental study on the Bushing Characteristics under several excitation inputs for Bushing Modeling, Int. Journal of Automotive Technology, 8 (4) (2007) 455-465.     
    5. W. S. Yoo, J. C. Ryu, G. H. Nho, B. S. Chung, J. H. Lee and S. W. Jung, Suggestion of MSTV(modified stick transition velocity) model for hysteretic damping mechanism J. Mechanical Science and Technology, 22 (2008) 1-8.     
    6. M. Patrick, M. Sain, K. Sain, B. F. Spencer and J. D. Sain, The Bouc Hysteresis Model: An Initial Study of Qualitative Characteristics, Proceedings of the American Control Conference, Philadelphia Pennsylvania, (1998) 2559-2563. 
    7. MTS, http://www.mts.com 
    8. VisualDOC User Manual, VR&D Coroperation, (2004). 
    9. ADAMS User Manual, MSC Software Corporation, (2005). 

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