Results 81 to 90 of about 4,909 (199)

Resolving Basis Dependence in Point‐Defect Scattering Models for Thermal Conductivity in Multi‐Sublattice Ceramics

Journal of the American Ceramic Society, Volume 109, Issue 8, August 2026.
ABSTRACT Alloying is a widely used strategy for reducing lattice thermal conductivity through phonon scattering induced by mass and strain fluctuations. However, the evaluation of disorder‐scattering parameters in multi‐sublattice compounds remains inconsistent because both atomic‐ and unit‐cell‐based formulations are used in the literature.
Yinglu Tang, Junsu Kim, Heechan Sang, Prakhar Jindal, Botchu Jyoti, Hyunsik Kim   +5 more
wiley   +1 more source

FRACTIONAL ORDER CONTROL OF A SINUSOIDAL OUTPUT INVERTER

Electrica, 2016
In this paper fractional order proportional integral derivative (FOPID) controller tuned with genetic algorithm (GA) is used to control of a novel designed sinusoidal output inverter.
Mehmed ÇELEBİ, Abdullah BAŞÇİ
doaj   +2 more sources

Evidence of a local BCC‐type coordination of cobalt in FCC taenite of iron meteorites

Meteoritics &Planetary Science, Volume 61, Issue 8, Page 1861-1874, August 2026.
Abstract Ni, Co, and Fe K‐edge X‐ray absorption fine structure (XAFS) measurements were performed, revealing an unexpected local structure around Co in well‐known iron and stony‐iron meteorites. Cobalt is enriched in kamacite but remains in taenite at concentrations of at least 0.3 atom%.
Kanako Yoshihara, Akira Yoshiasa, Huimin Shao, Makoto Tokuda, Ginga Kitahara, Hiroshi Isobe   +5 more
wiley   +1 more source

Harris Hawks Optimization Algorithm for reducing THD using ZVT-ZCT-based QRCC: A comparative approach

Measurement: Sensors
This study proposes a novel solution to address harmonic issues in a Renewable Energy Resource System (RES) connected to the grid, using a Voltage Source Inverter (VSI) controlled by a QRCC based on Zero Voltage Transition and Zero Current Transition ...
Nisha C. Rani, N. Amuthan
doaj   +1 more source

SPL and THD improvement of a cantilever-diaphragm piezoelectric MEMS loudspeaker with Double-S actuators

Microsystems & Nanoengineering
Piezoelectric MEMS loudspeakers based on cantilever diaphragms have demonstrated promising electroacoustic efficiency and low-frequency sound pressure level (SPL).
Qincheng Zheng, Ke Cao, Xudong Ma, Ning Deng, Hao Chen, Yulang Cheng, Yao Lu, Huikai Xie   +7 more
doaj   +1 more source

Harmonic mitigation for symmetrical cascaded h-bridge inverter using sparrow search algorithm

Journal of Electrical Systems and Information Technology
Harmonics in multilevel inverters (MLIs) pose a critical challenge in power electronic systems, degrading power quality and complicating compliance with grid standards.
Daniel Igenumah Tennyson, Abdussamad Umar Jibia, Ibrahim Haruna Shanono, Nasiru Bello Kadandani   +3 more
doaj   +1 more source

Analysis and Optimization of Output Low-Pass Filter for Current-Source Single-Phase Grid-Connected PV Inverters

Applied Sciences
In this study, the design of output low-pass capacitive–inductive (CL) filters is analyzed and optimized for current-source single-phase grid-connected photovoltaic (PV) inverters.
Gurhan Ertasgin, David M. Whaley
doaj   +1 more source

Benchmark method for selecting FFT windows in harmonic measurements. [PDF]

MethodsX
Pham DC, Nguyen TNA.
europepmc   +1 more source

Single-phase to three-phase DC-link boost converter with reduced controlled switch count. [PDF]

Sci Rep
Nagi HA, El-Sabbe AE, Osheba DSM.
europepmc   +1 more source