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  • In Jour Smart Sensing And Intelligent Systems

 

Article | 03-November-2017

MODELING AND MEASUREMENT SYSTEM FOR MAGNETIC FIELD DISTRIBUTIONS IN BIOLOGICAL STRUCTURES

In this paper we develop a system for modeling and measurement of magnetic field distributions in biological structures caused by the externally applied electromagnetic field. We describe an effective and versatile approach for three-dimensional reconstruction of the field distributions from two-dimensional visualization the measured magnetic field data. The finite element model for magnetic field calculation is built. The magnetic fields of very thin slices of the 3D object are determined and

I. Marinova, V. Mateev, H. Endo, Y. Saito

International Journal on Smart Sensing and Intelligent Systems, Volume 2 , ISSUE 2, 262–278

Article | 27-December-2017

EFFECTS OF LOW FREQUENCY WEAK MAGNETIC FIELD ON THE CARDIOVASCULAR SYSTEM THROUGH THE BRAIN CORTEX

In order to study the effect of low frequency weak magnetic field on the cardiovascular system through the central nervous system, this paper design the experiment that is using a rotating magnetic field acts on the cerebral cortex, the different frequency when different parts of the brain, collecting and analysis ECG and blood pressure signal, and discussing the effect of low frequency rotating magnetic field on cardiovascular system through the brain cortex. It proved that a rotating magnetic

Yumiao Ren, Jianbao Zhang

International Journal on Smart Sensing and Intelligent Systems, Volume 9 , ISSUE 1, 50–66

Research Article | 15-February-2020

Design of magnetic field alarm  powered by magnetic energy harvesting

This paper presents a design of magnetic field alarm powered by magnetic energy harvesting. It consists of an energy harvesting module, Cockcroft-walton circuit and piezo buzzer. The energy harvesting module is composed of coil and magnetic flux concentration core. It can generate 200 µW from an environmental magnetic field of 200 µT at 60 Hz. The Cockcroft-walton circuit can converts the ac voltage to a suitable dc voltage for the piezo buzzer.  This alarm can notice not only

Kunihisa Tashiro, Azusa Ikegami, Syoichiro Shimada, Hiroaki Kojima, Hiroyuki Wakiwaka

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–5

Research Article | 15-February-2020

Magneto-optical study of microwire in presence of magnetic field of super high frequency

The work is dedicated to the magneto-optical Kerr effect (MOKE) study of the magnetization reversal in the microwire in the presence of super high frequency (SHF) circular magnetic field. This study is important for elucidation of functioning of sensor based on giant magneto-impedance (GMI) effect. Magnetic domains images have been obtained using MOKE polarizing microscopy. Hysteresis loops were obtained as a result of images processing. It was found that SHF magnetic field induces strong

Alexander Chizhik, Julian Gonzalez, Arcady Zhukov, Andrzej Stupakiewicz, Andrzej Maziewski

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–4

Research Article | 13-December-2017

High-Spatial-Resolution Magnetic-Field Measurement by Giant Magnetoresistance Sensor – Applications to Nondestructive Evaluation and Biomedical Engineering

Giant magnetoresistance (GMR) sensor has been developed and widely applied to use as magnetic read head in data storage industry. This paper describes new applications of magnetic-field measurement with high spatial-resolution and high sensitivity to nondestructive evaluation and biomedical engineering. For nondestructive evaluation, the GMR sensor, used as magnetic sensor based on eddy-current testing technique, was applied to the detection of micro-crack on micro-conductor for the purpose of

Sotoshi YAMADA

International Journal on Smart Sensing and Intelligent Systems, Volume 1 , ISSUE 1, 160–175

Research Article | 15-February-2020

Simulation and optimisation of homogeneous permanent magnet for portable NMR applications

This paper focuses on the magneto static simulation of magnet arrangement used for portable NMR (Nuclear Magnetic Resonance) apparatus. In NMR experiments, a very homogeneous magnetic field is required in a large sample volume. In our case, NdFeB magnets are used to generate a homogeneous field, with a Halbach arrangement. The homogeneity of the magnetic field B0 can be improved by dividing a long configuration of magnets into several rings. The size of useful volume is dependent on both the

Patrick Poulichet, Abdennasser Fakri, Christophe Delabie, Hung Dang Phuc, Tien Truong Cong, Latifa Fakri-Bouchet

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–6

Article | 01-June-2015

IDENTIFICATION AND DETECTION OF DEFECT IN METAL CASING

Based on the propagation rules of electromagnetic waves in metal conductors, this paper analyzes the characteristics of electric field and magnetic field of internal conductors. Then the complex power of electromagnetic wave is calculated. The impedance calculation formula of metal conductor is derived. Moreover, in order to identify and detect defects of metal casing, an alternating current impedance measuring method for the metal casing is proposed by changing the alternating current

Yinchuan WU, Baolong GUO

International Journal on Smart Sensing and Intelligent Systems, Volume 8 , ISSUE 2, 1261–1283

Research paper | 01-December-2011

Wireless sensing of open loop micro inductors using Helmholtz coil

This paper reports wireless sensing of open loop micro inductors parameters i.e. distributed capacitance, inductance, resistance and Q factor in presence uniform magnetic fields generated by Helmholtz coils pair. A frequency dependent analytical model is developed which models the inductively coupled system including the effects generated by the presence of test micro coil in uniform magnetic field. Micro inductor parameters are extracted from the remotely measured impedance signal and compared

A. Yousaf, F.A. Khan, Prof. Dr. L.M Reindl

International Journal on Smart Sensing and Intelligent Systems, Volume 4 , ISSUE 4, 527–546

Article | 01-December-2014

DESIGN AND CONSTRUCTION OF LIGHT WEIGHT PORTABLE NMR HALBACH MAGNET

A light weight, simple design NMR apparatus consists of 24 identical magnets arranged in Halbach array was designed and built. The homogeneity of the magnetic field B0 can be improved by dividing a long magnets into several rings. The size of the useful volume depends on both the gap between each ring and some others shim magnets. Our aim is to enhance the sensitive volume and to maintain the highest magnetic static field (B0). This apparatus generates a B0 field strength of about 0.1 T. This

Hung Dang Phuc, Patrick Poulichet, Tien Truong Cong, Abdennasser Fakri, Christophe Delabie, Latifa Fakri-Bouchet

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 4, 1555–1578

Research paper | 15-February-2020

Detection of P300 brain waves using a MagnetoImpedance sensor

We have previously reported a study on brain activity detection in occipital region using a picotesla-scale MagnetoImpedance (MI) sensor. Based on past studies, the target of the present study was to review the performance of MI sensor on parietal region brain activity detection. Human brain magnetic field is extremely weak, in order to detect the faint magnetic field, we constructed an MI measurement system that can cancel out the background noise (e.g., geomagnetic field) instead of using a

K. Wang, S. Tajima, Y. Asano, Y. Okuda, N. Hamada, C. Cai, T. Uchiyama

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–4

Research paper | 13-December-2017

FUNDAMENTAL STUDY OF MAGNETICALLY LEVITATED CONTACT-FREE MICRO-BEARING FOR MEMS APPLICATIONS

gradient in the magnetic field and also showed a larger of repulsive force comparing to the general electromagnetic (iron-core). Advantage of the proposed method and its viability as a contact-free Micro-bearing was discussed.

T. Nakao, H. Han, Y. Koshimoto

International Journal on Smart Sensing and Intelligent Systems, Volume 3 , ISSUE 3, 536–549

Research Article | 15-February-2020

Magnetoelastic Biosentinels for the Capture and Detection of Low-Concentration Pathogens in Liquid

This paper investigates phage-coated magnetoelastic (ME) biosentinels that capture and detect low-concentration pathogenic bacteria in stagnant liquid. These biosentinels are composed of a freestanding ME resonator platform coated with a landscape phage that specifically binds with the pathogens of interest. These biosentinels can be moved through a liquid by externally applied magnetic fields. When a time-varying magnetic field is applied, the ME biosentinels can be placed into mechanical

Shin Horikawa, Yating Chai, Howard C. Wikle, Bryan A. Chin

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–4

Article | 01-March-2015

CHARACTERIZATION OF A NEEDLE-TYPE GIANT MAGNETORESISTANCE SENSOR FOR DETECTION OF ESCHERICHIA COLI’S MAGNETIC MARKER

Hamidreza Shirzadfar, Mustapha Nadi, Djilali Kourtiche, Sotoshi Yamada, Payman Shahabi

International Journal on Smart Sensing and Intelligent Systems, Volume 8 , ISSUE 1, 220–234

Article | 01-September-2012

TRANSIENT DYNAMIC BEHAVIOR OF TWO PHASE MAGNETO-ELECTRO-ELASTIC SENSORS BONDED TO ELASTIC RECTANGULAR PLATES

Transient dynamic behavior of Magneto-electro-elastic (MEE) sensors bonded to a mild steel plate using 3D magnetic vector potential approach is presented. The electric field induced by time varying magnetic field is non-conservative and can be described by electric scalar potential and magnetic vector potentials. The aim of the study is to find how different volume fractions of the MEE composite behave in sensor applications at various locations on the plate subjected to different boundary

B. Biju, N. Ganesan, K. Shankar

International Journal on Smart Sensing and Intelligent Systems, Volume 5 , ISSUE 3, 645–672

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