High Precision Load Measurement by Two Freedom Dynamic Crane Scale

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  • CHEN Lisheng
    Doctoral Course of Graduate School of Engineering, University of Tsukuba
  • AOSHIMA Nobuharu
    Institute of Engineering Mechanics, University of Tsukuba

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In this paper we presented a method of high precision load measurement by two freedom dynamic crane scale<br>The basic point of this approach lies in the idea that the sampling averages of dynamic load signal during a time interval between the maximum swing angles and other central parts of the time interval are functions of the maximum swing angle and the minimum swing angle. The mass of goods is a constant factor of these functions. By the sampling averages, the mass value of goods can be calculated under the dynamic condition. The simulation results indicated that the measurement precision of more than 0.1% F.S. can be achieved.

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