Results 61 to 70 of about 733,251 (300)

Regular-sampled harmonic elimination PWM control of single-phasetwo-level inverters

, 2001
A new harmonic elimination/minimisation pulse width modulation strategy for single-phase inverters is presented. The two-level harmonic elimination pulse width modulation strategy operates online and in real-time and closely approximates the switching ...
Holliday, DMJ, Bowes, SR, Grewal, SS, S.R. Bowes, D. Holliday, S. Grewal   +5 more
core   +1 more source

Dirac‐Source Linear X‐Ray Detection Diode

Advanced Functional Materials, EarlyView.
Monolayer graphene imparts near linear current‐voltage behavior to a perovskite X‐ray detection diode, contrasting with conventional diode‐like responses. Exploiting graphene's Dirac dispersion and a Schottky‐like back‐to‐back junction, the device achieves six‐orders‐of‐magnitude dark current suppression while retaining linearity over 200 V, enabling ...
Babar Shabbir, Shoaib Masood, Jialu Li, R. A. W. Ayyubi, Naeimeh Mozaffari, Mosarof Hossain, Nasir Mahmood, Muhammad Nadeem, Jacek J. Jasieniak   +8 more
wiley   +1 more source

A type of inverter power supply based on harmonic elimination PWM control

Journal of Measurement Science and Instrumentation, 2013
In order to output sine wave with small degree of distortion and improve stability,a type of inverter power supply is designed based on harmonic elimination pulse-width modulation（PWM）control.The rectifier and filter are added to input circuit of the ...
ZHANG Kai-ru, XING Cheng-cheng, LIU Xiang-nan   +2 more
doaj  

Control Strategy Improvement of Active Power Filters for Harmonic Elimination in Heavy Rail Systems With Installed PV Arrays

IEEE Access
Electric train transportation requires a substantial amount of electrical energy to power trains’ propulsion systems. Consequently, photovoltaic (PV) arrays are considered for installation at traction substations in heavy rail systems to supply ...
Chakrit Panpean, Jeerawan Homjan, Sasiya Udomsuk, Kongpol Areerak   +3 more
doaj   +1 more source

Active Harmonic Elimination in Multilevel Converters [PDF]

, 2005
The modulation technique for multilevel converters is a key issue for multilevel converter control. The traditional pulse width modulation (PWM), space vector PWM, and space vector control methods do not completely eliminate specified harmonics.
Du, Zhong
core  

Microscale Patterning of Ultrahigh‐Viscosity Metallic‐Polymer Composites via Embedded Droplet Writing

Advanced Functional Materials, EarlyView.
A hybrid additive manufacturing platform integrates direct droplet writing of metallic composite with VAT photopolymerization to fabricate architected soft magnetic composites. This approach enables microscale patterning of high‐viscosity materials for programmable actuators, adaptive fluidic devices, and switchable adhesives, offering tunable ...
Yeowon Yoon, Jian Ni, Sungmo Park, Yang Xu, Yong Chen   +4 more
wiley   +1 more source

A Novel Approach to Solving the OHESW Problem for Multilevel Inverters

Journal of Engineering and Sustainable Development, 2010
A new method is presented to compute the switching angles in a multilevel inverter using the Optimized Harmonic Elimination Stepped-Waveform (OHESW) technique so as to produce the required fundamental voltage while at the same time not generate higher ...
Jamal Abdul-Kareem Mohammed
doaj  

Concentration‐Dependent Self‐Assembly and Nanoparticle Maturation of Reflectins

Advanced Functional Materials, EarlyView.
Within squid skin, structural coloration arises from iridophores whose Bragg reflector‐like ultrastructures contain high‐refractive‐index reflectin proteins. Coarse‐grained molecular dynamics simulations and dynamic light scattering measurements reveal how concentration modulates reflectin A2 self‐assembly.
Andrew H. Cannon, Albert L. Kwansa, Nikhil Kaimal, Arsenii Panteleev, Ashlynn Zhang, Loc Nguyen, Preeta Pratakshya, Alon A. Gorodetsky, Yaroslava G. Yingling   +8 more
wiley   +1 more source

A New Synthesis Technique of Control Signals for Power Converters Based on Pulse Position Modulation

IEEE Access
Over the last years there has been plenty of research activity about modulation techniques with the aim of optimizing power converters performance. Traditional methods such as Pulse Width Modulation and Selective Harmonic Elimination/Mitigation are ...
Lara Bruno, Vito G. Monopoli
doaj   +1 more source

Nitrospinics: Nitride Materials for Spin‐Orbit and Orbital Torques From Memory to Artificial Intelligence

Advanced Functional Materials, EarlyView.
Further advances in applications can be anticipated through the development of unique and functional materials beyond conventional alloys. Nitrogen enables tailor‐made orbital textures in various transition‐metal hosts, paving the way for devices ranging from spintronics memory to artificial intelligence hardware.
Prabhat Kumar, Gaurav Kumar Shukla, Yoshio Miura, Shinji Isogami   +3 more
wiley   +1 more source