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TECHNICAL PAPERS

Fuzzy Sky-Ground Hook Control of a Tracked Vehicle Featuring Semi-Active Electrorheological Suspension Units

[+] Author and Article Information
Seung-Bok Choi

Department of Mechanical Engineering, Smart Structures and Systems Laboratory, Inha University, Incheon 402-751, Koreae-mail: seungbok@inha.ac.kr

Dong-Won Park

Department of Mechanical Engineering, Smart Structures and Systems Laboratory, Inha University, Incheon 402-751, Korea

Moon-Suk Suh

Intelligent Control Suspension Division, Agency for Defense Development, Taejon 305-600, Korea

J. Dyn. Sys., Meas., Control 124(1), 150-157 (Mar 03, 1999) (8 pages) doi:10.1115/1.1434266 History: Received March 03, 1999
Copyright © 2002 by ASME
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References

Block,  H., and Kelly,  J. P., 1988, “Electro-Rheology,” J. Phys. D, 21, pp. 1661–1676.
Petek, N. K., Romstadt, D. L, Lizell, M. B., and Weyenberg, T. R., 1995, “Demonstration of an Automotive Semi-Active Suspension Using Electrorheological Fluid,” SAE Technical Paper Series 950586.
Lou,  Z., Ervin,  R. D., and Filisko,  F. E., 1994, “A Preliminary Parametric Study of Electrorheological Dampers,” ASME J. Fluids Eng., 116, pp. 570–576.
Sturk,  M, Wu,  X. M., and Wong,  J. Y., 1995, “Development and Evaluation of a High Voltage Supply Unit for Electro-Rheological Fluid Dampers,” Veh. Syst. Dyn., 24, pp. 101–121.
Choi,  S. B., Choi,  Y. T., Chang,  E. G., Han,  S. J., and Kim,  C. S., 1998, “Control Characteristics of a Continuously Variable ER Damper,” Mechatronics, 8, pp. 143–161.
Morishita, S., and Mitsui, J., 1992, “An Electrorheologically Controlled Engine Mount Using Electro-Rheological Fluid,” SAE Technical Paper Series 922290.
Jung,  S. Y., and Choi,  S. B., 1995, “Short Squeeze Film Damper Analysis Operating with Electro-Rheological Fluids,” Tribol. Trans., 38, pp. 857–862.
Carlson, D., and Duclos, T. G., 1990, “ER Fluids, Clutches and Brakes—Fluid Property and Mechanical Considerations,” Proceedings of the 2nd International Conference on ER Fluids, Raleigh, NC, pp. 353–367.
Choi,  S. B., Park,  Y. K., and Cheong,  C. C., 1996, “Active Vibration Control of Intelligent Composite Laminate Structures Incorporating an Electro-Rheological Fluid,” J. Intell. Mater. Syst. Struct., 7, pp. 411–419.
Hoogterp, F. B., Saxon, N. L., and Schihl, P. J., 1993, “Semiactive Suspension for Military Vehicles,” SAE Technical Paper No. 930847.
Hoogterp, F. B., Eiler, M. K., and Mackie, W. J., 1996, “Active Suspension in the Automotive Industry and the Military,” SAE Technical Paper No. 961037.
Saxon, N. L., and Meldrum, W. R., 1997, Semiactive Suspension: A Mobility Case Study,” SAE Technical Paper No. 970386.
Karnopp, D. C., Margolis, D. L., and Rosenberg, D. C., 1990, System Dynamics—A Unified Approach, Wiley, New York.
Terano, T., Asai, K., and Sugeno, M., 1987, Fuzzy Systems Theory and Its Applications, Harcourt-Brace, Boston.

Figures

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Schematic configuration of the double-rod type ERSU
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Coordinate system of ERSU
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Spring and damping characteristics of the ERSU
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Schematic configuration of a tracked vehicle with the ERSU
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Mechanical model of a wheel and the body
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Concept of the sky-ground hook controller
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Block diagram of the fuzzy sky-ground hook control system
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Fuzzy variables for sky-ground hook control
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Bump responses of the tracked vehicle (0.4064 m bump, speed=20 km/h)
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Random responses of the tracked vehicle in the frequency domain (roughness=0.45, speed=72 km/h)

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