A Novel Combined B ― H Sensing Coil in Three-Dimensional Magnetic Properties Testing System

A novel sensing structure with combined B (magnetic flux density) and H (magnetic field strength) sensing coils is used in three-dimensional (3-D) magnetic properties testing system with cubic specimen. In order to accurately calculate and analyze the 3-D magnetic properties from experiment, compreh...

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Veröffentlicht in:	IEEE transactions on applied superconductivity 2014-06, Vol.24 (3), p.1-4
Hauptverfasser:	Li, Yongjian, Yang, Qingxin, Liu, Yafeng, Zhao, Zhenghan, Zhang, Chuang, Li, Dandan
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Calibration Coefficients Coiling Density Detection Electrical engineering. Electrical power engineering Electronics Exact sciences and technology Magnetic properties Materials Mathematical analysis Testing, measurement, noise and reliability Testing. Reliability. Quality control Three dimensional
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Beschreibung
Zusammenfassung:	A novel sensing structure with combined B (magnetic flux density) and H (magnetic field strength) sensing coils is used in three-dimensional (3-D) magnetic properties testing system with cubic specimen. In order to accurately calculate and analyze the 3-D magnetic properties from experiment, comprehensive calibration and compensation of the sensing structure must be systematically fulfilled. This paper presents the structure and calibration of the novel surface B - H sensing coils and the accurate expression of B and H calculation by means of coefficient matrix of the sensing coils. Based on the novel sensing coils and accurate coefficients, rotational magnetic properties of a soft magnetic composite material specimen have been measured and analyzed.
ISSN:	1051-8223 1558-2515
DOI:	10.1109/TASC.2013.2285281