Effect of Height and Width of Road Humps on Deceleration Performance and Driving Safety

Abstract:

Through the establishment of a five-degree-of-freedom vehicle model, calculating and analyzing the seat vertical acceleration, wheel ground adhesion index and the wheel dynamic load for the car with different speeds that runs over road humps having different height and width, so as to obtain the effect of height and width of the hump on the deceleration performance and driving safety. According to the comparative analysis of the seat acceleration, wheel ground adhesion index and the wheel dynamic load, so as to obtain the best speed limit range of the road hump.

• Periodical: Applied Mechanics and Materials (Volume 483)
• Pages: 330-336
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.483.330
• Online since: December 2013
• Authors: Song Lan*, Feng Gao, Guo Yan Xu, Neng Gen Ding
• Keywords: 5 DOF Vehicle Model, Road Hump, Seat Vertical Acceleration, Wheel Dynamic Load, Wheel Ground Adhesion Index

References

[1] KuaiIXingcheng, Transient Analysis of Vehicle Vibration and Dynamic Loads, Central South Highway Engineering, Vol. 29, No. 3.

[2] Khorshid Emad, A numerical study on the optical geometric design of speed control humps [J]. Engineering Optimization, 2004, 36(1): 77-100.

DOI: 10.1080/03052150310001634871

[3] Zhang Wei, Effect of road hump on driving comfort and safety vehicles, Journal of Chang`anUniversity Vol. 28, No. 4, Jul. (2008).

[4] Kokowski P, Predicted effects of a speed bump on light vehicle noise. Applied Acoustics, 2006, 67(6): 570~579.

DOI: 10.1016/j.apacoust.2005.10.001

[5] Dynamic response analysis of vehicles passing over speed control humps, Hou chenyuan, Machine design and research, Vol. 26, No. 2, Apr. (2010).