2006•Measurement & Control TechnologyRequires access

Measurement of Micro-Displacement Based on Eddy Current Sensor and Virtual Instrument

Bao Qi-lian

Abstract

High precise measurement of micro-displacements plays an important role in measurement technologies.The design of a virtual instrument based micro-displacement measurement system with eddy current displacement sensor is presented.The system applies the high-precise eddy current displacement sensor,virtual instrument technology,special mechanical structure,and high-precise data acquisition system,as well as data processing and analyzing.The results show that the present system has high performance in precision and efficiency.

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Available abstract

Key concepts: Eddy-current sensor, Displacement (psychology), Virtual instrument, Eddy current, System of measurement, Data acquisition, Current (fluid), Eddy-current testing