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Method of Front Wheel Drive Car Body Shake Reduction at Engine Idling
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English
Abstract
This paper describes methods to reduce body shake caused by engine vibration at idling from the viewpoint of body structure through the control of resonant frequency and shake modes.
- (1) Resonant frequency control method; Optimization of stiffness versus body member mass affected by large strain or kinetic energy is essential to control resonant frequency. Resonant frequency can be shifted in conjunction with the ratio of energy on a member to whole body energy.
- (2) Body shake reduction method; Optimized distribution of stiffness throughout the body produces a favorable body shake mode and minimizes shake levels at relevant parts of the body such as the steering column support and floor while counterbalancing high shake levels in other parts of the body.
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Authors
- Hiromichi Eishima - Structure Engr. Sect., Res. Dept., Pass. Car Engr. Center, Mitsubishi Motors Corp.
- Keiichi Hamano - Structure Engr. Sect., Res. Dept., Pass. Car Engr. Center, Mitsubishi Motors Corp.
- Yoshiki Tanaka - Structure Engr. Sect., Res. Dept., Pass. Car Engr. Center, Mitsubishi Motors Corp.
- Yoshinobu Kamata - Structure Engr. Sect., Res. Dept., Pass. Car Engr. Center, Mitsubishi Motors Corp.
Citation
Eishima, H., Hamano, K., Tanaka, Y., and Kamata, Y., "Method of Front Wheel Drive Car Body Shake Reduction at Engine Idling," SAE Technical Paper 870630, 1987, https://doi.org/10.4271/870630.Also In
References
- Eishima H. Hamano K. “Application of Structure Analysis to Body Shake Reduction of FF-Car” SAE of Japan Symposium November 1984
- Yoshida Y. Eishima H. “Analytical Methods on FF-Bodv Vibration” Journal of SAE of Japan 38 12 1984
- DeVries R.I. Chon C.T. “Structural Design Sensitivity Analysis via Strain Energy Variations” SAE Paper No. 840737
- Ida K. Matsuo M. “Rigidity of Thin Walled Joint” SAE of Japan Congress May 1095 No. 851038