Results 81 to 90 of about 1,384,292 (315)

Robust control of grid-connected converters under wide grid impedance variation [PDF]

, 2019
This paper investigates the robust current control of grid-connected converters operating under wide grid impedance variation. Digital state feedback control gains are obtained based on linear matrix inequalities that ensure the location of the closed ...
Montagner, Vinícius F., Osório, Caio R. D., Vinicius F. Montagner, Lucas C. Borin, Caio R. D. Osorio, Gustavo G. Koch, Borin, Lucas C., Nascimento, Monique R., Oliveira, Ricardo C. L. F., Koch, Gustavo G., Monique R. Nascimento, Ricardo C. L. F. Oliveira   +11 more
core   +1 more source

Performance Analysis of Abradable Coating Systems for Aircraft Gas Turbines

Advanced Engineering Materials, EarlyView.
Three CoNiCrAlY/YSZ/MgAl2O4 abradable liner configurations on a nickel‐superalloy are evaluated by thermal‐gradient cycling and incursion tests. Laser ablation of the bondcoat and/or Y2O3‐stabilized ZrO2 (YSZ) intermediate layer increases mechanical interlocking and bonding for thick topcoats.
Hanna Heyl, Daniel Emil Mack, Martin Tandler, Susanne Schrüfer, Robert Vaßen   +4 more
wiley   +1 more source

Supporting Decentralized, Security focused Dynamic Virtual Organizations across the Grid [PDF]

, 2006
The ability to dynamically create and subsequently manage secure virtual organisations (VO) is one of the key challenges facing the Grid community. Existing approaches for establishing and managing VOs typically suffer from lack of fine grained security ...
Sinnott, RO, Nguyen, TA, D.W. Chadwick, J. Koetsier, Watt, J., Otenko, O, Chadwick, David W., Nguyen, Tuan Anh, O. Otenko, Chadwick, D.W., Watt, J, Nguyen, T.A., Chadwick, DW, Otenko, O., Koetsier, J., Sinnott, Richard O., Sinnott, R.O., R.O. Sinnott, T.a. Nguyen, Koetsier, J, J. Watt   +20 more
core   +1 more source

Complex-Order Fractional Proportional–Resonant Controller for High-Frequency Applications

IEEE Open Journal of the Industrial Electronics Society
This article presents the design and implementation of a complex-order fractional proportional–resonant (COFPR) controller. The proposed COFPR controller is an evolution of the fractional proportional–resonant (FPR) controller suitable for ...
Daniel Heredero-Peris, Macia Capo-Lliteras, Daniel Montesinos-Miracle, Joaquim Melendez-Frigola   +3 more
doaj   +1 more source

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

Self-adaptive Grid Resource Monitoring and discovery [PDF]

The Grid provides a novel platform where the scientific and engineering communities can share data and computation across multiple administrative domains.
Lim Choi Keung, Hélène Niuklan
core  

Control interaction analysis of hybrid system with grid-following and grid-forming inverters based on admittance decomposition

International Journal of Electrical Power & Energy Systems
In high renewable penetrated power systems, both grid-forming (GFL) and grid-following (GFM) inverters play an important role in maintaining the system stability and economic operation.
Yang Wang, Liang Ruan, Mengling Yang, Xianyong Xiao, Song Chen, Oriol Gomis-Bellmunt   +5 more
doaj   +1 more source

Phase Field Failure Modeling: Brittle‐Ductile Dual‐Phase Microstructures under Compressive Loading

Advanced Engineering Materials, EarlyView.
The approach by Amor and the approach by Miehe and Zhang for asymmetric damage behavior in the phase field method for fracture are compared regarding their fitness for microcrack‐based failure modeling. The comparison is performed for the case of a dual‐phase microstructure with a brittle and a ductile constituent.
Jakob Huber, Jan Torgersen, Ewald Werner
wiley   +1 more source

An Authorisation Scenario for S-OGSA [PDF]

, 2006
The Semantic Grid initiative aims to exploit knowledge in the Grid to increase the automation, interoperability and flexibility of Grid middleware and applications.
Corcho, Oscar, Parkin, M., Kotsiopoulos, I., Bechhofer, S., Alper, P., Missier, P., Goble, C.   +6 more
core   +1 more source

Small-Signal Stability of Grid-Forming Control for Doubly-Fed Induction Generators: A Comparative Study of Different Control Algorithms

IEEE Access
This paper presents a comprehensive small-signal stability analysis of three widely used grid-forming (GFM) control strategies, namely droop control, virtual synchronous generator (VSG), and generalized VSG (GVSG), implemented on a doubly-fed induction ...
Husni Rois Ali, Lesnanto Multa Putranto, Firdous Ul Nazir   +2 more
doaj   +1 more source