Contact-Less Speed Probe Based on Eddy Currents

被引：22

作者：

Cardelli, E. ^{[1
]}

Faba, A. ^{[2
]}

Tissi, F. ^{[3
]}

机构：

[1] Univ Perugia, Dept Ind Engn, I-06100 Perugia, Italy

[2] Univ Perugia, Ctr Elect & Magnet Appl Res, I-06100 Perugia, Italy

[3] Univ Perugia, Polo Sci & Didatt Terni, Terni, Italy

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2013年 / 49卷 / 07期

关键词：

Contactless probe; eddy currents; speed measurement; HYSTERESIS; BEHAVIOR; MODEL;

D O I：

10.1109/TMAG.2013.2248701

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this work, we present a technique for the speed measurement of a metallic body with flat surface and without marks, using a contact-less probe. Basically, the measurement system is made with a permanent magnet for the magnetic field generation and a Hall plate as pick-up sensor. The contact-less probe geometry, the electronic circuit and the devices used for the output signal treatment, including a suitable signal processing applied to increase the signal noise ratio are described. In addition, a theoretical analysis of the probe sensitivity is proposed. In order to show the practical performance of the speed measurement proposed, a series of experimental tests is presented.

引用

页码：3897 / 3900

页数：4

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