Studies on Dynamic Measurement Method of Mass and Weight (Part 1) : Dynamic Weighing Method-A

概要

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The paper describes an attempt to improve the weighing performance in measurement of mass and weight using a mechanical weighing machine. First, the relationship between weighing time and accuracy is clarified analytically on the conventional weighing method. Secondly, a new weighing method, Dynamic Weighing Method, is described in which the quantity to be measured is estimated by using the transient signal from a weighing transducer. As its estimation algorithm, use is proposed of the state estimation algorithm of the Kalman filter or of the truncated second-order filter. Finally, the feasibility of the proposed method is examined through practical experiment carried out with a digital computer, and the result is compared in weighing time and accuracy with the theoretical result by the conventional method. A discussion is also extended to the implementation of the proposed method by a real-time data processor.
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