Use of Finite Elements Analysis for a Weigh-in-Motion Sensor Design
AbstractHigh speed weigh-in-motion (WIM) sensors are utilized as components of complex traffic monitoring and measurement systems. They should be able to determine the weights on wheels, axles and vehicle gross weights, and to help the classification of vehicles (depending on the number of axles). WIM sensors must meet the following main requirements: good accuracy, high endurance, low price and easy installation in the road structure. It is not advisable to use cheap materials in constructing these devices for lower prices, since the sensors are normally working in harsh environmental conditions such as temperatures between –40 °C and +70 °C, dust, temporary water immersion, shocks and vibrations. Consequently, less expensive manufacturing technologies are recommended. Because the installation cost in the road structure is high and proportional to the WIM sensor cross section (especially with its thickness), the device needs to be made as flat as possible. The WIM sensor model presented and analyzed in this paper uses a spring element equipped with strain gages. Using Finite Element Analysis (FEA), the authors have attempted to obtain a more sensitive, reliable, lower profile and overall cheaper elastic element for a new WIM sensor.
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Opitz, R.; Goanta, V.; Carlescu, P.; Barsanescu, P.-D.; Taranu, N.; Banu, O. Use of Finite Elements Analysis for a Weigh-in-Motion Sensor Design. Sensors 2012, 12, 6978-6994.
Opitz R, Goanta V, Carlescu P, Barsanescu P-D, Taranu N, Banu O. Use of Finite Elements Analysis for a Weigh-in-Motion Sensor Design. Sensors. 2012; 12(6):6978-6994.Chicago/Turabian Style
Opitz, Rigobert; Goanta, Viorel; Carlescu, Petru; Barsanescu, Paul-Doru; Taranu, Nicolae; Banu, Oana. 2012. "Use of Finite Elements Analysis for a Weigh-in-Motion Sensor Design." Sensors 12, no. 6: 6978-6994.