| Performance Analysis of Rubber Speed Bump with Cosine Curve |
| Received:June 08, 2017 Revised:June 08, 2017 |
| DOI： |
| Key Words: rubber speed bump；vertical velocity；vertical acceleration；cosine curve |
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| Abstract: |
| Based on the speed control principle of speed bump and the problem existed in traditional speed bump，the vertical velocity and acceleration characteristics of the vehicle crossing the circular arc-shaped speed bump which was widely used at present stage were compared，a new speed bump with two cosine curves on both sides of the cross section was proposed.From the curve equation of the deceleration section as the breakthrough point，accompanied with the method of calculation and modeling combination，the vertical velocity and acceleration characteristics of wheel center in the whole collision process of vehicle wheel and rubber speed bump was analysized.Simulated via the software of MATLAB，a conclusion was obtained that the rubber deceleration bump with cosine curve did not speed mutations，compared to vertical acceleration change of circular arc-shaped rubber speed bump，the new rubber speed bump had better disciplinary action for those traveling speeding vehicles，while it could effectively control speed and improve the driving and ride comfort，which had a good application prospects. |
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