Impedance Characteristics Analysis of the Non-Contact Magnetic Type Position Sensor

Yang, Seung-Ho; Hirata, Katsuhiro; Ota, Terukazu; Mitsutake, Yoshio; Kawase, Yoshihiro

doi:10.1541/ieejsmas.128.435

Cited by 1 publication

(3 citation statements)

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“…2.1 Basic Theory (1) (2) The magnetic field strength H and the magnetic flux density B are shown as H = H 0 cos ωt, B = B 0 cos (ωt − θ), respectively. Here, θ is the phase angle between these magnetic field quantities.…”

Section: Complex Magnetic Permeabilitymentioning

confidence: 99%

“…The fundamental equation of the magnetic field can be expressed in the frequency domain as follows (1) (2) .…”

Section: Magnetic Filed Analysis By Femmentioning

confidence: 99%

“…Therefore, it is effective to consider the complex magnetic permeability (CMP) in order to perform the more accurate evaluation. We have been studying a computational method for analyzing the characteristics of a linear position sensor and its core material; the method involves the use of FRA and also takes into account the CMP (1) (2) .…”

Section: Introductionmentioning

confidence: 99%

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Frequency Response Analysis Considering Nonlinear Distribution of Complex Magnetic Permeability and Employing 3D FEM

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The flux density has a linear relationship with the magnetic field intensity when the flux density of a magnetic material is in the millitesla (mT) region. However in the high-frequency region, the magnetic flux is concentrated near the surface of the magnetic material owing to the skin effect. Therefore, it is necessary to consider the nonlinear magnetic properties of the material. In this paper, we propose a modified frequency response analysis method that takes into account the nonlinear distribution of the complex magnetic permeability with respect to the magnetic flux density, in order to accurately compute the magnetic flux distribution in the high-frequency range. The validity of the proposed analysis method is verified by comparing the computed data with measurements obtained by using a prototype (toroidal coil).

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Section: Complex Magnetic Permeabilitymentioning

confidence: 99%

“…The fundamental equation of the magnetic field can be expressed in the frequency domain as follows (1) (2) .…”

Section: Magnetic Filed Analysis By Femmentioning

confidence: 99%

See 1 more Smart Citation

Frequency Response Analysis Considering Nonlinear Distribution of Complex Magnetic Permeability and Employing 3D FEM

et al. 2012

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Impedance Characteristics Analysis of the Non-Contact Magnetic Type Position Sensor

Cited by 1 publication

References 1 publication

Frequency Response Analysis Considering Nonlinear Distribution of Complex Magnetic Permeability and Employing 3D FEM

Frequency Response Analysis Considering Nonlinear Distribution of Complex Magnetic Permeability and Employing 3D FEM

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