Results 61 to 70 of about 4,960,323 (312)

A Low-Switching-Frequency Harmonic-Optimized Control Strategy for Modular Multilevel Converters Based on Online SHEPWM Switching-Time Correction

Energies
Low-switching-frequency operation is essential for high-power modular multilevel converters (MMCs), but it makes the simultaneous achievement of low harmonics, fast transient response, and reliable internal control more difficult.
Tingyan Lyu, Bojin Tang, Youhan Deng, Xiaojun Hua, Rong Kang, Weiwei Yao, Yaru Hao, Chunyang Li, Huilin Yuan   +8 more
doaj   +1 more source

Neuromorphic Electronics for Intelligence Everywhere: Emerging Devices, Flexible Platforms, and Scalable System Architectures

Advanced Materials, EarlyView.
The perspective presents an integrated view of neuromorphic technologies, from device physics to real‐time applicability, while highlighting the necessity of full‐stack co‐optimization. By outlining practical hardware‐level strategies to exploit device behavior and mitigate non‐idealities, it shows pathways for building efficient, scalable, and ...
Kapil Bhardwaj, Roshni Satheesh Babu, Yuxin Xia, Eva Bestelink, Radu Sporea, Nikos Hastas, Ioannis Zeimpekis, Dimitra G. Georgiadou, Sayani Majumdar   +8 more
wiley   +1 more source

Artificial intelligence technique to real-time based on selective harmonic elimination in modified multilevel inverter. [PDF]

, 2019
In this study, Artificial Intelligence (AI) technique is applied to determine the switching angles for a uniform step asymmetrical modifiedmultilevel inverter by eliminating specified higher-order harmonics while maintaining the required fundamental ...
Omar, Rosli, Sulaiman, Marizan, Al-Hiealy, Mohammed Rasheed Jubair, Abd Halim, Wahidah, Alakkad Majeda, Moataz M.A.   +4 more
core   +2 more sources

Leaftronics: Bio‐Fractal Scaffolds From Leaf Venation for Low‐Waste Electronics

Advanced Materials, EarlyView.
“Leaftronics” transforms naturally evolved leaf venation into quasi‐fractal scaffolds for sustainable electronics. Polymer‐infiltrated leaf skeletons can be used to fabricate ultra‐smooth, reflow‐ and thin‐film‐compatible decomposable substrates, while making the same lignocellulose networks conducting results in flexible transparent electrodes.
Rakesh Rajendran Nair, Hrisheekesh Thachoth Chandran, Karl Leo, Hans Kleemann   +3 more
wiley   +1 more source

Efficiency Optimized Brushless DC Motor Drive based on Input Current Harmonic Elimination [PDF]

, 2015
This paper describes efficiency improvement of a position sensorless brushless DC (BLDC) motor with improved PWM scheme for the inverter compared to existing ones. This is based on Selective Harmonic Elimination (SHE).
Nag, Tridibesh, Ashoke Kumar Ganguli, Ganguli, Ashoke Kumar, Arijit Acharya, Arunava Chatterjee, Tridibesh Nag, Debashis Chatterjee, Chatterjee, Arunava, Acharya, Arijit, Chatterjee, Debashis   +9 more
core   +1 more source

Enhanced Control Structure for Voltage Source Converters Under Unbalanced Grid Voltages

IEEE Open Journal of Power Electronics
This paper presents an enhanced control structure for Voltage Source Converters (VSCs) operating under unbalanced grid conditions. Conventional dq control schemes suffer from increased total harmonic distortion (THD) as well as active-power and DC ...
Alfredo Velazquez-Ibanez, Juan R. Rodriguez-Rodriguez, Felix Rafael Segundo-Sevilla, Petr Korba, Frede Blaabjerg   +4 more
doaj   +1 more source

Organic Materials of Tomorrow: Horizons of Artificial Intelligence

Advanced Materials, EarlyView.
This review examines machine learning techniques accelerating the discovery of organic semiconductors by linking molecular structure to properties. Key methods include graph neural networks, generative models, and active learning. Applications to organic photovoltaics demonstrate practical impact.
Harold Mena, J. Terence Blaskovits, Kun‐Han Lin, Denis Andrienko   +3 more
wiley   +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  

Comparative analysis of numerical, evolutionary and metaheuristic methods for experimental implementation of selective harmonic elimination in a five-level emerging inverter

Electrical engineering & Electromechanics
Introduction. Multilevel inverters (MLIs) are widely used in renewable energy conversion and high-performance power applications due to their ability to generate output voltages with low harmonic distortion and reduced switching stress.
M. Naidji, A. E. Toubal Maamar, M. Boudour, A. Garmat, A. Aissa-Bokhtache   +4 more
doaj   +1 more source

Pulsed Laser‐Assisted Phase Engineering of Multimetallic Colloidal Nanocrystals With Complex Compositions

Advanced Materials, EarlyView.
The engineering of colloidal nanocrystals with complex compositions has emerged as a highly active area of research within nanomaterials science. This review covers key aspects of colloidal solid‐solution nanocrystal formation using pulsed laser irradiation.
Marina T. Candela, Sergio Triviño‐Sánchez, Andrés Guerrero‐Martínez, Luis M. Liz‐Marzán, Guillermo González‐Rubio   +4 more
wiley   +1 more source