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TECHNICAL PAPERS

Vibration Control of an ER Seat Suspension for a Commercial Vehicle

[+] Author and Article Information
S. B. Choi, J. H. Choi

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

Y. S. Lee, M. S. Han

Faculty of Mechanical and Automotive Engineering, Keimyung University, Daegu 704-701, Korea

J. Dyn. Sys., Meas., Control 125(1), 60-68 (Mar 10, 2003) (9 pages) doi:10.1115/1.1542639 History: Received March 01, 1998; Revised September 01, 2002; Online March 10, 2003
Copyright © 2003 by ASME
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References

Queslati, F., and Sankar, S., 1992, “Performance of a Fail-Safe Active Suspension With Limited State Feedback for Improved Ride Quality and Reduced Pavement Loading in Heavy Vehicles,” SAE Paper, No. 922474, pp. 796–804.
Reynolds, H. M., 1993, Automotive Ergonomics, Taylor and Francis Ltd, London, pp. 99–116.
Rakheja,  S., Afework,  Y., and Sankar,  S., 1994, “An Analytical and Experimental Investigation of the Driver-Seat-Suspension System,” Veh. Syst. Dyn., 23, pp. 501–524.
Shimogo,  T., Oshinoya,  Y., and Shinjyo,  H., 1996, “Active Suspension of Truck Seat,” JSME 62, pp. 192–198.
Stein,  G. J., 1997, “A Driver’s Seat with Active Suspension of Electro-pneumatic Type,” J. Vibr. Acoust., 119, pp. 230–235.
Karnopp,  D., Crosby,  M. J., and Harwood,  R. A., 1974, “Vibration Control Using Semi-active Force Generators,” ASME J. Eng. Ind., 96(2), pp. 619–626.
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Petek, N. K., 1995, “Demonstration of an Automotive Semi-active Suspension Using Electrorheological Fluid.” SAE Paper, No. 950586.
Sturk,  M., Wu,  X. M., and Wong,  J. Y., 1995, “Development and Evaluation of a High Voltage Supply Unit for Electrorheological 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.
Wu,  X., and Griffin,  M. J., 1997, “A Semi-active Control Policy to Reduce the Occurrence and Severity of End-stop Impacts in a Suspension Seat with an Electrorheological Fluid Damper,” J. Vibr. Acoust., 203(5), pp. 781–793.
Brooks. D. A., 1997, “High Performance Damping Using Electro-Rheological Fluids,” Proc. of Int. Conf. on ERF, MRS and Their Applications, Yamagata, Japan, pp. 250–251.
International Standard Organization ISO-2631/1, 1985, “Evaluation of Human Exposure to Whole-Body Vibration, Part 1: General Requirements.”
Winslow,  W. M., 1949, “Induced Fibration Suspension,” J. Appl. Phys., 20, pp. 1137–1140.
Ginder,  J. M., and Ceccio,  S. L., 1995, “The Effect of Electrical Transients on the Shear Stresses in Electrorheological Fluids,” J. Rheol., 39, pp. 211–234.
Leitmann,  G., 1981, “On the Efficiency of Nonlinear Control in Uncertain Linear Systems,” ASME J. Dyn. Syst., Meas., Control, 102, pp. 95–102.
Dorling,  C. M., and Zinober,  A. S. I., 1986, “Two Approaches to Hyperplane Design in Multivariable Variable Structure Control Systems,” International Journal of Control, 44(1), pp. 65–82.
El-ghezawi,  O. M. E., Zinober,  A. S. I., and Billings,  S. A., 1983, “Analysis and Design of Variable Structure Systems using a Geometric Approach,” Int. J. Control, 38(3), pp. 657–671.
Gouw, G. J., Rakheja, S., Sankar, S., and Afework, Y., 1990, “Increased Comfort and Safety of Drivers of Off-highway Vehicles using Optimal Seat Suspension,” SAE Paper, No. 901646.
Nigam, N. C., Narayanan, S., 1994, Applications of Random Vibrations, Springer-Verlag, pp. 219–292.

Figures

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Proposed ER seat damper
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Photograph and damping forces of the proposed ER seat damper
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Proposed ER seat suspension system
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Parameter identification for seat suspension and seat cushion
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Experimental apparatus for seat suspension test
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Control responses of ER seat suspension system in frequency domain
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Control responses of ER seat suspension system in time domain
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Control durability of the ER seat suspension system
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Dynamic model of a full-car suspension system
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System configuration for HILS
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Frequency responses on the seat cushion via HILS

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