ISSN: 1451-4117
E-ISSN: 1821-31977
Volume 3 number 9, pages: 7 - 16
Suspension systems have great influence on vehicle characteristics, especially ride comfort and handling. Classical suspension systems may only offer a compromise among requirements for ride comfort and vehicle handling in a narrow range of service conditions. Better characteristics are provided by application of suspension systems with controlled characteristics: semiactive and active systems. Active suspension systems introduce special force generators, power demanding, so as to obtain favorable characteristics. Their prices are fairly high, so that the application may take place in high vehicle class. Semiactive suspension is based on control of spring characteristics, or, more often, damping characteristics, providing acceptable output characteristics for medium and high class vehicles. Therefore, this paper will mostly deal with the design of semiactive suspension systems, based on control of damping parameters. A method of stochastic parameters optimization« has been utilized for the optimization of parameters of semiactive suspension. The optimization objective was a simultaneous minimization of sprung mass vibration and standard deviation of dynamic ground reactions.
1.Bendat, J. S., Piersol, A. G.: Random Data-Analysis and measurement procedures, John Wiley and Sons, 2000.
2. Bendat, J. S.: Nonlinear Systems– Techniques and Applications, John Wiley and Sons, 1998.
3. Bendat, J. S., Piersol, A.G.: Engineering Applications of Correlation and Spectral analysis John Wiley & Sons, New York, 1980.
4. Bunday, P.: Basic optimization methods, Spottiswoode Ballantyne, Colchester and London, 1984.
5. Chan, J., B.and other: A Ray-tracing Aprroach to Simulation and Evaluation of Real Time Quarter Car Model with Semi-active Suspension System usingMatlab, ASME 2003 Design Engineering Rechnical Conferences and Computers and Information in Engineering Conference, Chicago, Illinois, USA, September 2-6, 2003, pp. 1-6.
6. Demić, M.: Identification of Vibration parameters for Motor Vehicles, Vehicle System Dynamics, Vol. 27, 1997 pp 65-88.
7. Demić, M.: Optimization of Characteristics of Elasto-Damping Elements from Aspect of Oscillatory Comfort and Vehicle Handling, Int. J.of Vehicle Design, Vol.17, No 1, 1996 pp 76-91.
8. Demić, M.: ANALSIGDEM: Software for signal analysis, www.ptt.yu/korisnici/i/m/imizm034/, 2003.
9. Demić, M.: DEMPARCOH: Software for Istraživanja i projektovanja za privredu 9 /2005 17 partial coherence function calculation, www.ptt.yu/korisnici/i/m/imizm034/, 2003.
10. Demić, M.:Optimization of Vehicles Elasto- Damping Elements Characteristics From the Aspect of Ride Comfort, Vehicle System Dynamics, Vol. 23 (1994), pp.
11. Demić, M.:A contribution to optimization of vehicle seats, Int. J. of Vehicle Design. 5/6, 1991, 10 pp 618-629.
12. Demić, M.:A contribution to the optimization of the characteristics of elasto-damping elements of passenger cars, Vehicle System Dynamics, Vol. 19, 1990, pages 3-18.
13. Demić, M.: Analysis of Influence of Design Parameters on Steered Wheels Shimmy oh Heavy Vehicles, Vehicle System Dynamics, Vol. 26, 1996, pp. 343-379.
14. Demić, M.: Optimizacija oscilatornih sistema motornih vozila (monografija) - Mašinski fakultet u Kragujevcu, 1997.
15. Doule, J. And other: Feedback Control Theory, Mc Millan Publishing Co, 1990.
16. Dorf, R., Bishop, R.: Modern Control Systems, Addison-Wesley, 1998.
17. Florin, M. and other: Active and semiactive suspension design, CONAT2004018, Brashov, 20-22, October, 2004, CD.
18. Frolov, K.V., Furman, F.A.: Prikaldnaja teorija vibrozaštitnih sistem, Mašinostrojenije, Moskva, 1980.
19. Genta, A.: Motor Vehicle Dynamics, Politecnika di Torino, 2003.
20. Gillespie, T. D.: Fundamentals of VehicleDynamics, SAE, 1992.
21. Hac, A. And other: Elimination of Limit Cycles Due to Signal Estimation in Semi-active Suspensions, SAE, 1999-01-0728, pp. 1-7.
22. Hrovat, D., Hubbard, M.: Optimum Vehicle Suspensions Minimizing RMS Ratllespace, Sprung mass, and Jerk, ASME, 81-WA/DSC-23, 1982, pages 1-9.
23. ISO 8608: Mechanical vibration- road surface profile- Reporting of measuring data, 1995.
24. Jack, H.: Automating Manufacturing Systems with PLCs, Version 4.5, Copyright juckh@gvsu.edu, 2004.
25. Margolis, D.: Semi-active Control of Wheel Hop in Ground Vehicles, Journal of Vehicle System Dynamics, Vol. 12, 1983, pages 317-330.
26. Merrit, H.:Hydraulic Control Systems, John Willey & sons, Inc., New York, London, Sydney, 1967.
27. Miliken W., Miliken D.: Race Car Dynamics, SAE, 1995.
28. Mitschke M.: Dynamik der Kraftfahrzeuge, Springer Verlag, 1972.
29. NEWEUL, Manual, TU Stutgart, 2000.
30. Nell, S. And other: An allternative control strategy for semi-active dampers on off-road vehicles, Journal of Terramechanics 35 (1998), pp 25-40.
31. Popović, V.: Projektovanje i simulacija sistema aktivnog oslanjanja, Magistarski rad, Mašinski fakultet u Beogradu, 2001.
32. Rotenberg R.: Podveska avtomobilja, "Masinostroenie", Moskva, 1972.
33. Schiehlen, W.: Modeling and Analysis of nonlinear Multibody Systems, Vehicle System Dynamics, 15(1986), pp 271-288.
34. Silani, E.: Active and semiactive suspensions control strategies in road vehicles, Ph.D. Politecniko di Milano, Dipartimento di electronica e informacione, 2004.
35. Slaski, G., Walerjanczyk, W.: Possibilities of impruving active safety by using semi-active suspension, KONMOT 2004, Krakov, pages 597-604.
36. Simić D.: Dinamika motornih vozila, "Naučna knjiga", Beograd, 1988.
37. Tomović, R. i dr.: Uvod u nelinearne sisteme automatskog upravljanja, Naučna knjiga, Beograd, 1974.
38. Yoshimura, T., Watanabe, K.: Active suspension of a full car model using fuzzy reasoning based on single input rule modules with dynamic absorbers, Int. J, if Vehicle Design, Vol.31, No 1, 2003. pp. 22-40.
39. Wolftram Research: Mathematica 4.