通过Q测量实现物理参数的非接触传感

Conference Record of the 1990 IEEE Industry Applications Society Annual Meeting Pub Date : 1990-10-07 DOI:10.1109/IAS.1990.152386

K. Namjoshi, P. Biringer

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引用次数: 0

摘要

研究了附近非磁性导电物体对螺线管质量因子Q的影响。计算了距离和供电频率对质量因数的影响。结果可用于估计温度和距离等参数的变化。结果表明，在没有物理接触的情况下，Q的变化可以令人满意地用于监测工件的物理性能，如距离或温度。

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Noncontact sensing of physical parameters by Q measurement

Changes in the quality factor, Q, of a solenoid due to nearby nonmagnetic conducting objects are investigated. The influence of distance and supply frequency on the quality factor is calculated. The results are applied to estimate changes in parameters such as temperature and distance. The results show that changes in Q may be satisfactorily used to monitor physical properties of the workpiece, such as distance or temperature, without physical contacts.<>

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Conference Record of the 1990 IEEE Industry Applications Society Annual Meeting

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