Results 21 to 30 of about 382,379 (299)

A magnetic frequency mixing sensor for mechanical properties measurement of ferromagnetic material

open access: yesMeasurement: Sensors, 2019
A magnetic frequency mixing sensor was optimized and designed for mechanical properties measurement of ferromagnetic material. Three-dimensional finite element simulations have been carried out to investigate the influences of material and dimensions of ...
Jingpin Jiao   +4 more
doaj   +1 more source

Measuring dynamic signals with direct sensor-to-microcontroller interfaces applied to a magnetoresistive sensor [PDF]

open access: yes, 2017
This paper evaluates the performance of direct interface circuits (DIC), where the sensor is directly connected to a microcontroller, when a resistive sensor subjected to dynamic changes is measured.
Cota Ruiz, Juan   +3 more
core   +3 more sources

Nonlinear conjugate gradient methods in micromagnetics

open access: yesAIP Advances, 2017
Conjugate gradient methods for energy minimization in micromagnetics are compared. The comparison of analytic results with numerical simulation shows that standard conjugate gradient method may fail to produce correct results. A method that restricts the
J. Fischbacher   +11 more
doaj   +1 more source

How Magnetic Disturbance Influences the Attitude and Heading in Magnetic and Inertial Sensor-Based Orientation Estimation

open access: yesSensors, 2017
With the advancements in micro-electromechanical systems (MEMS) technologies, magnetic and inertial sensors are becoming more and more accurate, lightweight, smaller in size as well as low-cost, which in turn boosts their applications in human movement ...
Bingfei Fan, Qingguo Li, Tao Liu
doaj   +1 more source

On-chip Magnetoresistive Sensors for Detection and Localization of Paramagnetic Particles [PDF]

open access: yes, 2017
This paper presents the work towards miniaturized magnetic biosensor array based on the detection of paramagnetic particles using the giant magnetoresistance (GMR) effect.
Heidari, Hadi, Shah, Samyak
core   +1 more source

Pulse-driven magnetoimpedance sensor detection of cardiac magnetic activity. [PDF]

open access: yesPLoS ONE, 2011
This study sought to establish a convenient method for detecting biomagnetic activity in the heart. Electrical activity of the heart simultaneously induces a magnetic field.
Shinsuke Nakayama   +3 more
doaj   +1 more source

Observation of Magnetic Domains in Amorphous Magnetic Wires with a Diameter of 10 μm Used in GSR Sensors

open access: yesSensors, 2023
The core of a Gigahertz Spin Rotation (GSR) sensor, a compact and highly sensitive magnetic sensor, is composed of Co–Fe-based amorphous magnetic wire with a diameter of 10 μm.
Masaaki Takezawa   +3 more
doaj   +1 more source

Magnetic Field Measurement Using Peak-Locked Zeeman Coherent Population Trapping Resonance in Rubidium Vapor

open access: yesIEEE Photonics Journal, 2019
A sensor for magnetic field measurement is developed using a small (centimeter size) rubidium cell. A high contrast Zeeman coherent population trapping (CPT) resonance is produced by the magnetic dither in the sensor solenoid, and a peak-locked servo is ...
Renu Tripathi, Gour S. Pati
doaj   +1 more source

A Mobile Ferromagnetic Shape Detection Sensor Using a Hall Sensor Array and Magnetic Imaging

open access: yesSensors, 2011
This paper presents a Mobile Hall Sensor Array system for the shape detection of ferromagnetic materials that are embedded in walls or floors. The operation of the Mobile Hall Sensor Array system is based on the principle of magnetic flux leakage to ...
Nashiren Farzilah Mailah   +4 more
doaj   +1 more source

Temperature-Insensitive Magnetic Field Sensor Based on Nanoparticle Magnetic Fluid and Photonic Crystal Fiber

open access: yesIEEE Photonics Journal, 2012
A novel magnetic field sensor based on the magnetic fluid and Mach-Zehnder interferometer is proposed. The sensor takes advantage of the tunable refractive index property of the magnetic fluid and the modal interference property of the collapsed photonic
Peng Zu   +8 more
doaj   +1 more source

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