Juliano de Pelegrin, Bruno Monte de Carvalho, F. L. Bertotti, Jean M. S. Lafay, Jessé de Pelegrin
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引用次数: 1
Abstract
This paper presents the development of a displacement measurement system formed by a Linear Variable Differential Transformer (LVDT) and an electronic instrumentation circuit. A mechanical structure was constructed as a coil to be elaborated from a preliminary analysis of the response of the device. A circuit was developed for the excitation of the LVDT, analog processing and signal conditioning in order to obtain a proportional DC signal for the displacement in its core. The response of the measuring system was obtained for a total range of 80 mm of displacement. The measurement deviations were less than + 0.16 mm and − 0.15 mm.
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