J4 ›› 2012, Vol. 25 ›› Issue (2): 87-91.doi: 10.3976/j.issn.1002-4026.2012.02.019

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 A novel high accuracy dynamic weighing system

 JIANG Jing-Sai, LI Chun-Jie   

  1. Shandong Provincial Key Laboratory of Computer Network,Shandong Computer Science Center, Jinan 250014, China
  • Received:2011-09-23 Published:2012-04-20 Online:2012-04-20

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Abstract:

 We design a μC/OS-II based vehicle dynamic weighing system. It can detect vehicle direction through two pairs of pressure sensors and effectively reduce the weighing error caused by sensor nonlinearity and vehicle speed. The system can also rapidly and accurately weight vehicles, perform realtime calculation, storage and display, and be easily controlled on demand. Weighing experiment shows that the system is accurate and reliable, as compared with other weighing systems.

Key words: embeded system, μC/OS-II, dynamic weighing system, pressure sensor, A/D conversion

CLC Number: 

  • TP23

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