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Journal of Intelligent Material Systems and Structures
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Development of LuGre Friction Model for Large-Scale Magneto—Rheological Fluid Dampers

F. Yang

Department of Mechanical and Industrial Engineering, Concordia University 1455 de Maisonneuve Blvd. West, Montreal, Quebec, H3G 1M8, Canada

R. Sedaghati

Department of Mechanical and Industrial Engineering, Concordia University 1455 de Maisonneuve Blvd. West, Montreal, Quebec, H3G 1M8, Canada

E. Esmailzadeh

Faculty of Engineering and Applied Science, University of Ontario Institute of Technology 2000 Simcoe Street North, Oshawa, Ontario, L1H 7K4, Canada, ezadeh{at}uoit.ca

This paper presents a new hysteresis model, based on the LuGre friction model, to analyze the dynamic behavior of large-scale Magneto-rheological (MR) damper (MR-9000 type MR-damper) accurately and efficiently. The gradient based optimization technique and the least square method will be utilized to identify the modal parameters. The dynamic behavior of MR-damper under different types of excitation and input currents has been predicted using the proposed model. The results were compared with those predicted using the modified Bouc—Wen model to verify the validity of the proposed model. Furthermore, based on the proposed LuGre friction model, an effective inverse MR-damper model has been presented, which can be readily used in the design of the semi-active vibration suppression devices.

Key Words: Magneto-rheological (MR) fluid dampers • modified Bouc—Wen model • LuGre friction model • parameter estimation • inverse MR-damper model.

This version was published on May 1, 2009

Journal of Intelligent Material Systems and Structures, Vol. 20, No. 8, 923-937 (2009)
DOI: 10.1177/1045389X08099660
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