A5050664984- Magnetic properties of thin films
- Magnetic Field Sensors Techniques
- Non-Destructive Testing Techniques
- Characterization and Applications of Magnetic Nanoparticles
- ZnO doping and properties
- Electric Motor Design and Analysis
- Iron oxide chemistry and applications
- Magnetic Properties and Applications
- Nanoparticle-Based Drug Delivery
- Quantum and electron transport phenomena
- Physics of Superconductivity and Magnetism
- Magneto-Optical Properties and Applications
- Energy Harvesting in Wireless Networks
- Magnetic and transport properties of perovskites and related materials
- Electrical Fault Detection and Protection
- Copper Interconnects and Reliability
- Power Systems Fault Detection
- Power Line Inspection Robots
- Atomic and Subatomic Physics Research
- Sensor Technology and Measurement Systems
- Ion-surface interactions and analysis
- Metallic Glasses and Amorphous Alloys
- Wireless Power Transfer Systems
- Microgrid Control and Optimization
- Magnetic Properties and Synthesis of Ferrites
New Jersey Institute of Technology
2020-2025
Antea Group (France)
2023-2024
Conference Board
2013-2024
Institute of Electrical and Electronics Engineers
2013-2024
Alpha Omega Electromagnetics (United States)
2020-2023
University of Hong Kong
2013-2022
Gorgias Press (United States)
2019-2021
Micro Magnetics (United States)
2013-2021
Canadian Standards Association
2013-2020
City University of Hong Kong
2018
Magnetoresistive (MR) sensors have been identified as promising candidates for the development of high-performance magnetometers due to their high sensitivity, low cost, power consumption, and small size. The rapid advance MR sensor technology has opened up a variety applications. These applications are in different areas that require with properties. Future each these requires an overview strategic guide. An roadmap (non-recording applications) was therefore developed made public by...
Protection devices are extensively utilized in direct current (DC) systems to ensure their normal operation and safety. However, series arc faults that establish paths the air between conductors introduce impedance system. Consequently, they can result a decrease of current, thus conventional protection may not be triggered. Undetected cause malfunctions even lead fire hazards. Therefore, arc-fault detection system is essential DC operate reliably efficiently. In this paper, based on...
Smart living is a trending and connected lifestyle that envisions efficient sustainable energy utilization, stable reliable power supply, intelligent coordinated transportation mobility, personalized cost-effective healthcare. Its realization needs the Internet of Things (IoT). IoT compelling platform connecting trillions sensors collecting data for connectivity analytics. It more advanced than traditional monitoring systems where limited wired communication can merely collect fragmented in...
We have demonstrated the detection of alpha-fetoprotein (AFP) labeled with magnetic nanoparticles (MNPs) using MgO-based tunnel junction (MTJ) sensors. AFP is an important hepatic tumor biomarker and has significant applications for clinical diagnostics immunoassay early-stage liver cancer indications. In this work, MTJ sensors 20-nm iron-oxide were used detecting antigens by a sandwich-assay configuration. The sensing area 4 × 2 μm2 possess tunneling magnetoresistance (TMR) 122% sensitivity...
Noise problem limits the sensitivity of magnetic tunnel junction (MTJ) sensors for ultra-low field applications. analysis not only helps in finding ways to eliminate noise disturbances but also essential understanding electronic and properties MTJs. These approaches provide insight optimizing design MTJ before fabrication. This paper reviews sources reported recent years. Both origins mathematical derivations are presented, illustrating how different factors affecting performance sensors. A...
A revolution in power transmission and distribution, driven by environmental economic considerations, is occurring all over the world. This spearheaded development of smart grid. The grid bringing profound change to both systems many related industries. paper reviews its correlation with magnetics, including electromagnetic compatibility issue, magnetic-field-based measurement/monitoring, magnetic energy storage/conversion. challenge field magnetics usage cutting edge technology are...
This paper proposed a novel noncontact technology of operation-state monitoring based on magnetic-field sensing for high-voltage transmission lines, which can simultaneously measure both electrical and spatial parameters in real time. was derived from research the distribution at ground level when lines operate different states, including sagging, galloping, current imbalance. Two typical models three-phase were simulated, resulting magnetic fields calculated. The correlation between...
Skyrmions and domain walls are typical spin textures of significant technological relevance to magnetic memory logic applications, where they used as carriers information. The unique topology skyrmions makes them display distinct dynamical properties compared walls. Some studies have demonstrated that the two topologically inequivalent objects could be interconverted by cleverly designed geometric structures. Here, we numerically address skyrmion-domain wall collision in a racetrack...
Prompt and accurate location of faults in a large- scale transmission system can accelerate restoration, reduce outage time, improve reliability. Traditional approaches are categorized into traveling-wave-based impedance-based measurement techniques. The approach requires detection devices to connect the high-voltage line, making solution complex costly. And impedance-measurement-based is highly dependent on quality signal affected by fault resistance, ground resistance non-homogeneity line...
A cost-effective technology to monitor the charging performance and detect coil misalignment foreign metal objects is indispensable commercialization of wireless power transfer on electric vehicle (EV) charging. This paper presents a multi-purpose tunneling magnetoresistive (TMR) sensor matrix, which can as well both for EV The magnetic field distribution between coils measured by TMR matrix provide critical information about performance, position, existence objects. mutual inductance are...
Fast online detection of inter-turn short-circuit faults for permanent magnet synchronous machines (PMSMs) is a challenging task. Previous attempts based on phase currents or back EMF monitoring lack the capability to accurately locate in stator windings. This paper proposed new approach fault PMSMs by means sensing external stray magnetic field outside motor yoke. The provides information about as well status windings and thus, location can be detected accordingly. In this paper, model flux...
The transmission of energy is monitored in the smart grid through deploying sensors all components, including overhead lines. There are many poles/towers supporting a long line. Naturally, deployed on location close to each span. Due limited range wireless transceiver module sensor, researchers generally assume that data generated by sensor have be delivered substation set in-between. This results linear network model. In this paper, we first analyze performance model handling traffics...
Magnetic particle imaging (MPI) is a promising medical technique producing quantitative images of the distribution tracer materials (superparamagnetic nanoparticles) without interference from anatomical background objects (either phantoms or lab animals). Theoretically, MPI platform can image with relatively high temporal and spatial resolution sensitivity. In practice, quality hinges on both applied magnetic field properties nanoparticles. Langevin theory model performance superparamagnetic...
High-voltage transmission lines are responsible for of electric power. Their sag and current important parameters transmission-line monitoring. In this paper, a simple promising method based on magnetoresistive sensors is proposed This noncontact its installation without the need power cut. The involves measuring emanated magnetic field from line conductor at ground level and, then, calculating source position inversely. A proof-of-concept laboratory setup was constructed series experiments...
Adopting non-contact capacitive coupling for voltage monitoring is promising as it avoids electrical connection with high-voltage transmission lines. However, coupled transformation matrix to correlate of overhead lines and induction bars has not been achieved mathematically due the lack equivalent electric circuit model analyzing physical phenomenon. Moreover, exact spatial positions are typically unknown dynamic in practice. In this paper, a technique based on capacitive-coupling assisted...
This paper presents a technique to measure the velocity of permanent magnet synchronous motors (PMSMs) by sensing external stray magnetic field outside stator yoke. A magnetic- equivalent circuit model for surface-mounted PMSM was developed analyze behavior field. The can provide position and speed information motor rotor. Simulation means 3-D finite-element-method modeling experimental results over wide range are presented substantiate successful application proposed technique. sensitive...
As the penetration of distributed energy resources based on renewable sources increases, several technical challenges are introduced into grids. These include real-time power balance, control bi-directional flow, quality, optimization, state estimation and topology in distribution grids, multi-level electricity trading. To overcome these to create situational awareness pervasive sensing becomes essential. hurdles such as implementation cost sensing, addition traditional contact-sensing...
DC microgrids contribute to the increasing penetration of renewable energies. However, a dc arc fault will lead malfunctions and even fire hazards in microgrid. To ensure safe efficient operation microgrid, characteristics faults should be determined, reliable arc-fault detection technique is required. Nevertheless, it difficult investigate practical system. Thus, an accurate model for simulation research significant. Since microgrid has numerous branches, existing models cannot express...
It is foreseen that a future smart grid has to handle more dynamic and distributed electricity supply consumption. In case, robust automation system becomes essential. To monitor the status of power system, large amount sensors are deployed in both transmission distribution grid. The generate massive data periodically for automation. This paper studies how measured on lines can be delivered efficiently substations. been demonstrated traditional way not sufficient direct wireless links should...