›› 2012, Vol. ›› Issue (03): 569-574.

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Monitoring method for vehicle dynamic loading status with multi-sensors

LI Shi-wu1, TIAN Jing-jing1, WANG Lin-hong1, SUN Wen-cai1, CHEN Lu1, WANG Hai-zheng1, WANG Yan2   

  1. 1. College of Transportation, Jilin University, Changchun 130022, China;
    2. College of Information and Economy, Jilin University of Finance and Economics, Changchun 130012, China
  • Received:2011-05-23 Online:2012-05-01

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Abstract: To study the real-time vehicle load monitoring method, a 2 DoF 4-parameter 1/4 vehicle vibration model was built with an established random road roughness model as the input excitation. The dynamic performance of suspension was simulated using SIMULINK under different working conditions and a global linear relation ship between the dynamic displacement and load of the suspension was obtained. Based on this analysis result, a new method to monitor the vehicle dynamic loading status with multi-sensors was proposed. A dynamic load monitoring and early warning platform was designed and calibrated for a FAW heavy-duty truck with a single-chip computer MC9S12XEP100 as on-board end. The road tests were performed on an A-level road under different speeds and the pre-set position change of goods. The test results showed that the proposed method can real-time detect the change of vehicle loading status, providing a new way for early warning of abnormal vehicle loading status.

Key words: engineering of communications and transportation, suspension behavior, simulation, loading status, road test

CLC Number: 

  • U467.1
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