Journal
STRUCTURE AND INFRASTRUCTURE ENGINEERING
Volume 16, Issue 9, Pages 1262-1275Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/15732479.2019.1703757
Keywords
Roads & highways; infrastructure; damage assessment; health & safety; monitoring; optimisation
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Funding
- University College Dublin
- China Scholarship Council
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This paper describes a novel method to determine a road profile through the analysis of accelerations in a passing vehicle. A direct integration algorithm is proposed to determine the profile from the measured vehicle acceleration response. A sprung mass model and a half-car model are used to represent the vehicles in separate analyses. Combining the direct integration algorithm with the Cross Entropy (CE) optimisation method, a vehicle fleet monitoring concept is proposed for the monitoring of roads and/or bridges. In this approach, the profile can be calculated using accelerations from multiple vehicles without prior knowledge of the vehicle properties. Numerical results show that calculated profiles are the same as the 'true' profiles which were used to generate the 'simulated measured' accelerations.
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