Results 51 to 60 of about 21,264 (254)

Rafting of Ni‐Based Superalloys Under Multiaxial Load as Understood by Phase‐Field Simulations and Critical Experiments

Advanced Engineering Materials, EarlyView.
Phase‐field simulations coupled with dislocation‐density‐based crystal plasticity modeling reproduce γ′ rafting behavior in single‐crystal Ni‐based superalloys under varied loading conditions. The model captures both macroscopic creep and microscopic morphology evolution, with results matching high‐temperature creep experiments.
Micheal Younan, David Bürger, Gunther Eggeler, Oleg Shchyglo, Ingo Steinbach, Muhammad Adil Ali   +5 more
wiley   +1 more source

Finite control set model predictive control with limit cycle stability guarantees

Automatica
This paper considers the design of finite control set model predictive control (FCS-MPC) for discrete-time switched affine systems. Existing FCS-MPC methods typically pursue practical stability guarantees, which ensure convergence to a bounded invariant set that contains a desired steady state.
Xu, Duo, Lazar, Mircea
openaire   +2 more sources

Model predictive torque control for permanent magnet synchronous motor based on dynamic finite-control-set using fuzzy control

Energy Reports, 2020
Aiming at the problem of fixed candidate voltage vector (VV) in conventional finite-control-set (FCS) model predictive torque control (MPTC) of permanent magnet synchronous motor (PMSM), fuzzy control is use to determine dynamic candidate VVs based on ...
Yaohua Li, Yugui Qin, Yifan Zhou, Chenghui Zhao   +3 more
doaj   +1 more source

A Novel Hybrid Finite Control Set Model Predictive Control Scheme With Reduced Switching

IEEE Transactions on Industrial Electronics, 2014
This work presents a new control scheme based on a finite states Model Predictive Control aimed to fix the switching frequency and to reduce the spectrum dispersion on the output variables of pulse width modulation (PWM) static converters. These topics are particularly important in the operation of power converters where passive filters present ...
Roberto O. Ramírez, José R. Espinoza, Felipe Villarroel, Eduardo Maurelia, Marcelo E. Reyes   +4 more
openaire   +7 more sources

Karl Popper and the Mechanisms of Hydrogen Embrittlement

Advanced Engineering Materials, EarlyView.
Representation of the beginning of loss of ductility rather than embrittlement. Small concentrations of hydrogen in a diffusible form within iron are well‐established to harm the mechanical integrity of steels. There are theories that attempt to explain the pernicious role of hydrogen.
H. K. D. H. Bhadeshia
wiley   +1 more source

State-Set-Optimized Finite Control Set Model Predictive Control for Three-Level Non-Inverting Buck–Boost Converters

Energies
Three-level non-inverting buck–boost converters are promising for electric vehicle charging stations due to their wide voltage regulation capability and bidirectional power flow.
Mingxia Xu, Hongqi Ding, Rong Han, Xinyang Wang, Jialiang Tian, Yue Li, Zhenjiang Liu   +6 more
doaj   +1 more source

A Novel Simplified Implementation of Finite-Set Model Predictive Control for Power Converters

IEEE Access, 2021
This article presents a novel simplified method to implement the finite set - model predictive control technique for photovoltaic generation systems connected to the ac network.
Jose J. Silva, Jose R. Espinoza, Jaime A. Rohten, Esteban S. Pulido, Felipe A. Villarroel, Marcos L. Andreu   +5 more
doaj   +1 more source

Microstructure‐Controlled Crack Propagation and Fracture Resistance in MoSiBTiC Alloy Revealed by Multiscale Extended Finite Element Method Modeling

Advanced Engineering Materials, EarlyView.
A two‐dimensional multiscale finite element analysis framework was established for the first‐generation MoSiBTiC alloy, and the mechanical and fracture‐related parameters of the constituent phases were calibrated through experiments and simulations. The framework provides a basis for analyzing crack propagation behavior in its complex microstructure ...
Junfeng Du, Takahiro Kaneko, Xinyu Yan, Takahito Ohmura, Kyosuke Yoshimi   +4 more
wiley   +1 more source

Modular Critical Element Recycling Platform Using a Nanoporous Additively Manufactured Gyroid

Advanced Engineering Materials, EarlyView.
A modular recycling platform integrates 3D‐printed nanoporous gyroid structures to enable efficient critical element recovery. This system utilizes a hierarchical architecture, combining macroscopic channels with polymerization‐induced nanoscale porosity. By systematically tuning structural wall thickness and resin formulation, the platform achieves an
Xiangyu Gao, Keldy Mason, Mert Gülçür, Rachel Paddock‐Lamb, Prince Alvin Fofanah, Zachariah A. Page, Michael Cullinan   +6 more
wiley   +1 more source

Finite Control Set Model Predictive Control for Current Ripple Reduction on BLDC Motors

IEEE Open Journal of Power Electronics
Two new techniques are presented for finite control set model predictive control (FCS-MPC) of BLDC motors in high performance applications. The proposals are based on two design choices: a) a reduced set of admissible switching states, selected according
Axel Coronado-Andrade, Luis Alvarez-Icaza   +1 more
doaj   +1 more source