Results 61 to 70 of about 15,812 (298)

Modulation in Voltage Source Inverters: An Algebraic Approach

IEEE Access
Pulse width modulation in voltage source inverters with an arbitrary number of phases is analyzed in this paper. The problem is treated as purely algebraic, without any use of space vectors.
Spasoje Miric, Uros Borovic, Predrag Pejovic   +2 more
doaj   +1 more source

Space Vector Modulation Strategies for Self-Sensing Three-Phase Radial Active Magnetic Bearings

Actuators, 2019
The focus of this study lies on the investigation of the space vector modulation of a self-sensing three-phase radial active magnetic bearing. The determination of the rotor position information is performed by a current slope-based inductance ...
Dominik Wimmer, Markus Hutterer, Matthias Hofer, Manfred Schrödl   +3 more
doaj   +1 more source

Synergistic All‐in‐One Electroceutical Platform Utilizing a Plasma–Photodynamic Hybrid Approach for Enhanced Wound Healing

Advanced Functional Materials, EarlyView.
A flexible hybrid patch integrating a robust cold atmospheric plasma (CAP) system with a high‐power, ultrathin bio‐OLED was developed to enable synergistic wound healing. This multimodal therapy, combining plasma and photodynamic treatment, enhanced angiogenesis, cell proliferation, and collagen deposition, demonstrating superior in vivo efficacy and ...
Jun‐Yeop Song, Hyun Cheol Bang, Young Hyun Son, Dae‐In Ha, Eun‐Ju Hong, Sun‐Woo Lee, Jeongsook Kim, Doyeong Kim, Sang‐Min Park, Kyu Pil Lee, Hyo‐Jung Kwon, Jeong Hyun Kwon   +11 more
wiley   +1 more source

Photon Avalanching Nanoparticles: The Next Generation of Upconverting Nanomaterials?

Advanced Functional Materials, EarlyView.
This Perspective outlines the mechanistic foundations that enable photon‐avalanche (PA) behavior in lanthanide nanomaterials and contrasts them with emerging application spaces and forward‐looking design strategies. By bridging threshold engineering, energy‐transfer dynamics, and materials engineering, we provide a coherent roadmap for advancing the ...
Kimoon Lee, Yunseo Kim, Hyeong‐ku Jo, Dongjoon Yoon, Byeonghyeok Im, WonJeong Yu, Eui‐Rim On, Changhwan Lee   +7 more
wiley   +1 more source

Direct power control in pulse-width modulation rectifier based on virtual flux estimation

Advances in Mechanical Engineering, 2017
Pulse-width modulation rectifier plays an important role in the field of electric energy conversion. It has many advantages such as the grid side current sinusoidal, bidirectional energy flow, and unit power factor.
Bo Fan, Xian-Bo Wang, Zhi-Xin Yang, Lu Song, Shu-Zhong Song   +4 more
doaj   +1 more source

Multi‐Scale Interface Engineering of MXenes for Multifunctional Sensory Systems

Advanced Functional Materials, EarlyView.
MXenes, as two‐dimensional transition metal carbides and nitrides, demonstrate remarkable capabilities for multifunctional sensing applications. This review systematically examines multi‐scale interface engineering approaches that enhance sensing performance, enable diverse detection functionalities, and improve system‐level compatibility in MXene ...
Jiaying Liao, Sin‐Yi Pang, Jianhua Hao
wiley   +1 more source

A Practical and Fast Algorithm for SVPWM

Kongzhi Yu Xinxi Jishu, 2012
It proposes a novel algorithm of voltage space vector pulse width modulation (SVPWM) based on the analysis of basic principle of SVPWM and the essential relationship between SVPWM and sinusoidal pulse width modulation (SPWM).
WU Hengliang, CHEN Yifeng, YAO Ming, WANG Nan   +3 more
doaj  

Optoelectronic Control of Redox Dynamics in POM Memristors for Noise‐Resilient Speech and Hardware‐Level Motion Recognition

Advanced Functional Materials, EarlyView.
Optoelectronic control of redox‐active polyoxometalate clusters in polymer matrices yields hybrid memristors with switchable volatile and non‐volatile modes, enabling reservoir‐type in‐sensor optical preprocessing and stable multilevel synapses for multimodal neuromorphic computing, including noise‐tolerant audiovisual keyword recognition and hardware ...
Xiangyu Ma, Ziyu Lv, Guohua Zhang, Zhongyue Xu, Yongbiao Zhai, Haiming Huang, Qiyan Zhang, Xiaojin Zhao, Yan Wang, Ye Zhou, Ziyu Xiong, Guanglong Ding, Wentao Xu, Su‐Ting Han   +13 more
wiley   +1 more source

Relationship between two‐level space‐vector pulse‐width modulation and carrier‐based pulse‐width modulation in the over‐modulation region

IET Power Electronics, 2014
For low voltage motor drive applications, in order to enhance the utilisation rate of dc bus voltage and extend the operating boundary of induction motors, the modulation index is often extended from the linear modulation region to the over‐modulation region.
Hui Fang, Xiaoyun Feng, Wensheng Song, Xinglai Ge, Rongjun Ding   +4 more
openaire   +1 more source

Research on Combination of Random Zero-Vector PWM Controller

机车电传动, 2018
According to theoretically equivalent principle, the space vector pulse width modulation technique was equivalent to zero sequence component injected sinusoidal pulse width modulation (SPWM).
ZHANG Guangyuan, WU Zhiyou, JIANG Tao
doaj