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MR 유체를 이용한 연속 감쇠력 가변형 댐퍼를 위한 감쇠유동의 현상학적 모델링과 성능평가
Phenomenological Damping Flow Modeling and Performance Evaluation for a Continuous Damping Control Damper Using MR Fluid

박재우   (경남정보대학 기계자동차산업계열UU0000080  ); 정영대   (영남대학교 기계공학부UU0000951  );
  • 초록

    Recently MR CDC damper has been applied to semi-active suspension control system gradually. Compared to former hydraulic CDC damper, it has rapid time response performance as well as simple internal structure and wide range of damping force. In order to develop control logic algorithm which enables to take maximum advantage of unique characteristics of MR CDC damper, it is inevitable to perform a thorough investigation into its nonlinear performance. In many previous researches, MR fluid model was either simply assumed as Bingham Plastic, or a phenomenological model based on experiment was established instead to predict damping performance of MR CDC damper. These experimental flow model which is not based on flow analysis but intentionally built to fit damping characteristics, may lead to totally different results in case of different configuration or structure of MR CDC damper. In this study, a generalized flow formula from mathematical flow model of MR fluid for annular orifice is derived to analyze and predict damping characteristics when current is excited at piston valve.


  • 주제어

    연속 감쇠력 가변형 댐퍼 .   자기반응형 유체 .   현상학적 모델.  

  • 참고문헌 (14)

    1. Wereley, N. M. and Pang, L., "Non-dimensional Analysis of Semi-Active Electrorheological and Magnetorheological Dampers using an Approximate Parallel Plate Model," Smart Materials and Structures, Vol. 7, No. 5, pp. 732-743, 1998 
    2. Spencer Jr., F., Dyke, J., Sain, K. and Carlson, D., "Phenomenological Model for Magneto-rheological Dampers," Journal of Engineering Mechanics ASCE, Vol. 123, No. 3, pp. 230-238, 1997 
    3. Choi, Y., Cho, J., Choi, S. and Wereley, M., "Constitutive Models of Electrorheological and Magnetorheological Fluids using Viscometers," Smart Materials and Structures, Vol. 14, No. 5, pp. 1025-1036, 2005 
    4. Yang, G., Spencer Jr., F., Carlson, D. and Sain, K., "Large-scale MR Fluid Dampers: Modeling and Dynamic Performance Considerations," Engineering Structures, Vol. 24, No. 3, pp. 309-323, 2002 
    5. Ahmadian, M. and Poynor, C., "An Evaluation of Magnetorheological Dampers for Controling Gun Recoil Dynamics," Shock and Vibration, Vol. 8 No. 3-4, pp. 147-155, 2001 
    6. Hong, S. and Choi, S., "Bingham Properties and Damping Force Control of an ER Fluid under Squeeze Mode," J. of KSPE, Vol. 19, No. 11, pp. 37-45, 2002     
    7. Sung, K, Chung, D. and Choi, S., "Control of Automatic Cargo Handling System Using ER Valves(1) - Modeling of ER Valves -," J. of KSPE, Vol. 18, No. 9, pp. 45-52, 2001 
    8. Snyder, A. and Wereley, M., "Characterization of a Magnetorheological Fluid Damper Using a Quasi-Steady Model," Proceeding of the SPIE Conference on Smart Structures and Integrated Systems, Vol. 3668, pp. 507-519, 1999 
    9. Goncalves, D., Koo, J. and Ahmadian, M., "A Review of the State of the Art in Magnetorhelolgical Fluid Technologies-Part I: MR fluid and MR Fluid models," The Shock and Vibration Digest, Vol. 38, No. 3, pp. 203-219, 2006 
    10. Ellam, J., Bullough, A. and Atkin, J., "Modeling the flow of an Electrostructured Fluid in Transient Operation," Proceeding of the Institution of Mechanical Engineers Part A: Journal of Power and Energy, Vol. 219, No. 1, pp. 61-76, 2004 
    11. Jolly, R., Bender, W. and Carlson, D., "Properties and Application of Commercial Magneto-rheological Fluids," In proceeding of the SPIE Int. Symposium on Smart Materials and Structures, Vol. 3327, pp. 262-275, 1998 
    12. Gordaninejad, F. and Kelso, P., "Magnetorheological Fluid Shock Absorbers for HMMWV," Proceeding of the SPIE Conference on Smart Materials and Structures, Vol. 3989, pp. 266-275, 2000 
    13. Rosenfeld, C. and Wereley, M., "Volume -constrained Optimization of Magnetorheological and Electrorheological Valves and Dampers," Smart Materials and Structures, Vol. 13, No. 6, pp. 1303-1313, 2004 
    14. Lord Materials Div., "Magnetic Circuit Design," Engineering Note, pp. 1-10, 1999 
  • 이 논문을 인용한 문헌 (1)

    1. Park, Jae-Woo ; Jung, Young-Dae 2008. "Magnetic Circuit Design Methodology of MR CDC Dampers for Semi-Active Suspensions" 한국정밀공학회지 = Journal of the Korean Society of Precision Engineering, 25(10): 48~57     

 저자의 다른 논문

  • 박재우 (7)

    1. 2008 "반능동 서스펜션용 MR CDC 댐퍼의 자기회로 설계기법" 한국정밀공학회지 = Journal of the Korean Society of Precision Engineering 25 (10): 48~57    
  • 정영대 (1)

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