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Volume 31 Issue 03
Mar.  2005
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Journal of Beijing University of Aeronautics and Astronautics  > 2005  >  31(03): 355-358.
Yao Shuzhen, Jin Maozhong. Strategy of state transition in UML based on Petri net[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(01): 79-83. (in Chinese)
Citation: Ding Nenggen, Pan Weimin, Liu Zhuqinget al. Influence of linear leaf springs’ hysteresis behavior on vehicle’s ride[J]. Journal of Beijing University of Aeronautics and Astronautics, 2005, 31(03): 355-358. (in Chinese)
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Influence of linear leaf springs’ hysteresis behavior on vehicle’s ride

  • Dept. of Automobile Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • Received Date: 05 Jan 2004
  • Publish Date: 31 Mar 2005
    Abstract
  • A method was investigated to select proper damping coefficients of the damper used for the leaf spring suspension, based on the analysis of the influence of leaf springs' hesteresis behavior on vehicle’s riding on different kinds of roads. Based on a quarter vehicle model, the root of mean squared acceleration of sprung mass was analyzed on different grades of roads with and without consideration of leaf springs' hysteresis behavior. The model was solved in time domain due to its nonlinearities. Both randomly produced road data and a group of real road data were used as inputs of the model. Results show the hysteresis behavior is more harmful to vehicle’s riding comfort on a high quality road than on a poor quality road, and therefore the damping coefficients of dampers should be selected according to road grades. For vehicles with leaf spring suspensions, the dampers’ damping ratios for jounce travel should be 0.1~0.2 and that for rebound travel be 0.2~0.3.

     

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  • [1] Gotoh T, Imaizumi T. Optimization of force action line with new spring design on the macpherson strut suspension for riding comfort[J] SAE Technical Paper Series 2000-01-0101, 2000:108~114 [2] Hukushima N. Effect of suspension friction for the riding comfort[J] Journal of Society of Automotive Engineers of Japan, 1979,11(22):33~44 [3] Hamano T, Kawashima K, Kato H. Analysis of hysteresis behavior of leaf springs with FEM(1st report, basic formulation of a special contact element for the beam-element-models) . In:Proceedings of Mechanical Society of Japan (Section A) . Tokyo:Mechanical Society of Japan, 1998.1521~1528 [4] Hamano T, Kawashima K, Kato H. Analysis of hysteresis behavior of leaf springs with FEM (2nd report, application of special contact element to multi-leaf spring modeled by beam element) . In:Proceedings of Mechanical Society of Japan( Section A) . Tokyo:Mechanical Society of Japan, 1998.2408~2414 [5] 丁能根, 马建军. 钢板弹簧迟滞特性的有限元分析[J] 汽车工程, 2003, 25(1):12~14 Ding Nenggen, Ma Jianjun. Finite element analysis on the hysteresis behavior of leaf springs[J] Automotive Engineering, 2003, 25(1):12~14(in Chinese) [6] 余志生. 汽车理论[M] 北京:机械工业出版社, 1979. 202~205 Yu Zhisheng. Automobile theory[M] Beijing:China Machine Press, 1979. 202~205(in Chinese) [7] 关 治, 陈景良. 数值计算方法[M] 北京:清华大学出版社, 1990. 250~261 Guan Zhi, Chen Jingliang. Numerical computation methods [M] Beijing:Tsinghua University Press, 1990. 250~261(in Chinese) [8] Thompson A G, Davis B R, Salzborn F J M. Active suspensions with vibration absorbers and optimal output feedback control [J] SAE Technical Paper 841253, 1984:698~707
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