Results 71 to 80 of about 148,390 (182)

Discontinuous PWM Techniques of Three-Leg Two-Phase Voltage Source Inverter for Sonar System

IEEE Access, 2020
Pulse width modulation (PWM) methods are important for the detection performance of a sound navigation and ranging (sonar) system because they determine the output noise of the system.
Jaehyuk Choi, Dong-Hun Lee, Hyungsoo Mok
doaj   +1 more source

Cis‐ and Trans‐Regulatory Factors Independently Shape Phenotypic Heterogeneity of Retinitis Pigmentosa

Advanced Science, Volume 13, Issue 36, 29 June 2026.
A zebrafish model carrying an identical human RHO S334X allele reveals two independent genetic layers shaping retinitis pigmentosa (RP) severity: a protective 3‐bp cis‐regulatory insertion that attenuates transgene expression, and a dominant trans‐acting modifier that restores a severe phenotype.
Cong Cui, Kotone Nakagawa, Takumi Tateno, Ayaka Dan, Dexin Meng, Yoshihiro Omori, Soma Tomihara, Suzuri Okamoto, Shigeru Sato, Motokazu Tsujikawa   +9 more
wiley   +1 more source

A Novel Discontinuous PWM Method With Hybrid Three-Step Commutation to Reduce Common-Mode Voltage for Direct Matrix Converter

IEEE Open Journal of the Industrial Electronics Society
The conventional discontinuous pulsewidth modulation (PWM) can provide several advantages in a direct matrix converter (DMC), such as less switching number and less execution time for modulation signals' calculation.
Sahel Solemanifard, Cheng-Chin Hu, Tzung-Lin Lee, Mohammadreza Lak   +3 more
doaj   +1 more source

Integral Sliding Mode Controller for Modular Multilevel Inverter‐Based PMSM Drives

Engineering Reports, Volume 8, Issue 6, June 2026.
The primary contribution of this work is the development of an integral sliding mode controller (ISMC) designed for motor speed and current regulation, optimized to enhance control performance with the unique MMLI structure. The proposed MMLI architecture offers a reduced number of switching components and passive elements, thereby minimizing system ...
Taiea A. Ahmed, Ahmed Ismail M. Ali, Anouar Belahcen, Essam E. M. Mohamed, Mohamed A. Ismeil, Zuhair Muhammed Alaas, Abdel‐Raheem Youssef   +6 more
wiley   +1 more source

Three-Phase Diode-Clamped Four-Level PWM Inverter With Offset Voltage Injection

IEEE Access
In this paper, a three-phase diode-clamped four-level PWM inverter with offset voltage injection is proposed. The proposed inverter is based on multi-neighboring reference vector (discontinuous) pulse-width modulation (MNRV (D)PWM), where multiple ...
Min-Sup Song, Jaewon Kim, Hwan-Hee Cho
doaj   +1 more source

Disturbance‐Resilient Voltage/Power‐Quality Management for Islanded Inverters Using Self‐Tuning Type‐3 Fuzzy Controller

Energy Science &Engineering, Volume 14, Issue 6, Page 2816-2838, June 2026.
An adaptive fuzzy controller using an interval type‐3 fuzzy logic system replaces the SMC switching term to mitigate chattering while preserving global stability for islanded inverters. Simulations show lower THD, greater robustness to disturbances and parameter variations, and improved voltage‐tracking accuracy, with applicability to other uncertain ...
Man‐Wen Tian, Jun‐Bo Mao, Nurkhat Zhakiyev, Didar Yedilkhan, Ruslan Omirgaliyev, Du Changdong, Amirhossein Khosravi Sarvenoee, Ardashir Mohammadzadeh   +7 more
wiley   +1 more source

Estudo de comportamento das perdas no ferro em motores de indução alimentados por conversores de frequência: [dissertação] [PDF]

, 2008
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-graduação em Engenharia Elétrica.Este trabalho propõe uma metodologia experimental para a avaliação das perdas no ferro de motores alimentados com tensão
Pires, Waldiberto de Lima
core  

Analysis and Minimization of Output Current Ripple for Discontinuous Pulse-Width Modulation Techniques in Three-Phase Inverters

Energies, 2016
This paper gives the complete analysis of the output current ripple in three-phase voltage source inverters considering the different discontinuous pulse-width modulation (DPWM) strategies.
Gabriele Grandi, Jelena Loncarski, Milan Srndovic   +2 more
doaj   +1 more source

Programmable Dimensional Lithography with Digital Micromirror Devices for Multifunctional Microarchitectures

Advanced Materials Technologies, Volume 11, Issue 5, 6 March 2026.
This review explores recent advances in digital micromirror device (DMD)‐based lithography, focusing on its programmable light modulation, multi‐material compatibility, and dimensional patterning strategies. It highlights innovations from optical system design to materials integration and multifunctional applications, positioning DMD lithography as a ...
Yubin Lee, Byungcheon Yoo, Chaeyeong Ryu, Jongwon Oh, Dahye Baek, Jiseok Lee   +5 more
wiley   +1 more source

A Comprehensive AC Current Ripple Analysis and Performance Enhancement via Discontinuous PWM in Three-Phase Four-Leg Grid-Connected Inverters

Energies, 2020
A complete analysis of the ac output current ripple in four-leg voltage source inverters considering multiple modulation schemes is provided. In detail, current ripple envelopes and peak-to-peak profiles have been determined in the whole fundamental ...
Riccardo Mandrioli, Aleksandr Viatkin, Manel Hammami, Mattia Ricco, Gabriele Grandi   +4 more
doaj   +1 more source