Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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A Study on the Development of Overload Detecting Pad for Low Speed WIM System

저속 WIM 시스템용 과적검지 패드 개발에 관한 연구

  • Lee, Choon-Man (School of Mechanical Engineering, Changwon National University) ;
  • Choi, Young-Ho (School of Mechanical Engineering, Changwon National University) ;
  • Kim, Eun-Jung (School of Mechanical Engineering, Changwon National University)
  • Received : 2016.12.29
  • Accepted : 2017.02.14
  • Published : 2017.03.01
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Abstract

Recently, traffic accidents and damage on the highway have increased because of overloaded vehicles. The existing overload-detecting system has a low accuracy rate. An overload-detecting system using a weigh-in-motion (WIM) system has been developed to solve this problem. The WIM system can be used to detect overloaded vehicles by measuring the weight of the vehicles. The WIM system is divided into high-speed and low-speed types. The inaccuracy rate in the low-speed WIM system results mainly from the low response rate of the sensor when the velocity is moving at more than 20 km/h. In this study, a low-speed overload-detecting pad with a hydraulic structure using a WIM system was developed to make the system more accurate. The structural and formal analysis was carried out by using a finite element method (FEM) in order to analyze the structural stability and the extrusion velocity of the system. In addition, a static load test was performed to confirm the linearity and accuracy of the pad.

Keywords

References

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