Magnetic Circuit Modeling and Analysis of Unilateral Axle-Counting Sensor | Zendy

Yanlong Liu | Zendy; Weiming Tong | Zendy; Xianji Jin | Zendy; Zhongwei Li | Zendy

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Magnetic Circuit Modeling and Analysis of Unilateral Axle-Counting Sensor

Author(s) -

Yanlong Liu,

Weiming Tong,

Xianji Jin,

Zhongwei Li

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2018.2868293

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

The unilateral axle-counting sensor, as a new type of axle-counting device, is gradually substituting other axle counters owing to its simple structure and great performance, which lead to an excellent application prospect. In this paper, we analyze the working principle of this sensor and establish an equivalent magnetic circuit model based on the sensor structure characteristics and its spatial relation with the track and wheel. In addition, we propose a rapid calculation method for magnetic circuits based on the division of the magnetic flux area according to the magnetic flux distribution characteristics of the sensor and provide the calculation expressions of reluctance for each area; furthermore, we calculate the induction electromotive force generated in the induction coils. Using 3-D finite-element method and the actual measurement of the induction electromotive force, the correctness and rapidity of the magnetic circuit model and the method of calculating the induction electromotive force are proved.

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