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1 December 1991 Algorithm for a novel fiber optic weigh-in-motion sensor system
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Abstract
Over the past decade, the demand from both government and private industry for small, lightweight, vehicle weight-in-motion (WIM) systems has grown substantially. During the 1980s, several techniques for weighing vehicles in motion were developed that include piezoelectric cables, capacitive mats, and hydraulic and bending-plate load cells. These different systems have advantages and disadvantages that trade off between accuracy, physical size, and system complexity. The smaller portable systems demonstrate medium to poor accuracy and repeatability while the larger more accurate systems are nonportable. A small, lightweight, and portable WIM system based on a fiber-optic pressure transducer has been developed by Oak Ridge National Laboratory (ORNL) to meet the demands of government and industry. The algorithm for extracting vehicle weight from the time-dependent sensor response is developed and presented in this report, along with data collected by the system for several classes of vehicles. These results show that the ORNL fiber-optic WIM system is a viable alternative to other commercial systems that are currently available.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Kenneth W. Tobin Jr. and Jeffrey D. Muhs "Algorithm for a novel fiber optic weigh-in-motion sensor system", Proc. SPIE 1589, Specialty Fiber Optic Systems for Mobile Platforms, (1 December 1991); https://doi.org/10.1117/12.50978
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