Results 121 to 130 of about 10,225,911 (308)

Thermodynamic Pathways of Nonequilibrium Solidification in Wire‐Arc Additive Manufacturing Fe‐Based Multicomponent Alloy Structures

open access: yesAdvanced Engineering Materials, EarlyView.
Geometry‐driven thermal behavior in wire‐arc additive manufacturing (WAAM) influences microstructural evolution during nonequilibrium solidification of a chemically complex Fe–Cr–Nb–W–Mo–C nanocomposite system. By comparing different deposits configurations, distinct entropy–cooling rate correlations, segregation, and carbide evolution are revealed ...
Blanca Palacios   +5 more
wiley   +1 more source

Hierarchical control of the Zero Inertia powertrain

open access: yes, 2001
A vehicular powertrain incorporating a continuously variable transmission (CVT) and a flywheel is considered and divided into a number of system layers with descending response times.
Serrarens, A.F.A.   +2 more
core   +1 more source

Field Report from Collaborative Research Center 1625: Heterogeneous Research Data Management Using Ontology Representations

open access: yesAdvanced Engineering Materials, EarlyView.
A unified research data management framework for heterogeneous materials data is presented. The system integrates multimodal datasets using ontologies and knowledge graphs, enabling interoperability and FAIR (findable, accessible, interoperable, reusable) data principles. By linking data across scales and workflows, it supports reproducible, Artifitial
Doaa Mohamed   +6 more
wiley   +1 more source

Supervisory Stability Assurance Layer for Hierarchical Plant-wide Process Control

open access: yes, 2010
An independent stability assurance layer for the multivariable controller in the hierarchical control architecture is introduced in this paper. This stability layer provides an integrated safety and protection measure to process control systems from ...
Tri Tran, Tran, T, Jie Bao, Bao, J
core   +1 more source

Research on Reactive Power Hierarchical Coordination Optimization Control Strategy of Wind‐Photovoltaic Hybrid Grid‐Connected System

open access: yesIET Renewable Power Generation
Currently, reactive power compensation in wind‐photovoltaic (PV) hybrid grid‐connected systems is typically controlled independently by the wind farm and PV station, lacking a coordination mechanism between them.
Hong Zhang   +8 more
doaj   +1 more source

Towards Defect Phase Diagrams: From Research Data Management to Automated Workflows

open access: yesAdvanced Engineering Materials, EarlyView.
A research data management infrastructure is presented for the systematic integration of heterogeneous experimental and simulation data required for defect phase diagrams. The approach combines openBIS with a companion application for large‐object storage, automated metadata extraction, provenance tracking and federated data access, thereby supporting ...
Khalil Rejiba   +5 more
wiley   +1 more source

Hierarchical Predictive Control for Ground-Vehicle Maneuvering [Elektronisk resurs]

open access: yes, 2015
This paper presents a hierarchical approach to feedback-based trajectory generation for improved vehicle autonomy. Hierarchical vehicle-control structures have been used before—for example, in electronic stability control systems, where a low-level ...
Magnusson, Fredrik,   +2 more
core  

Flexural Behavior of 3D‐Printed Porous Bouligand‐Structured Polymers: Influence of Pitch Angle and Porosity

open access: yesAdvanced Engineering Materials, EarlyView.
This study examines how helicoidal architectures with different porosities respond to bending. Adjusting layer angle and spacing in 3D‐printed polymers reveals clear tradeoffs between stiffness, strength, and energy absorption. Experiments and simulations highlight designs that distribute stress effectively, offering pathways for optimizing lightweight
Praveenkumar Subhash Patil   +2 more
wiley   +1 more source

The Hierarchical Structure and Control Signal Transmission of Microgrid Hierarchical Control: A Review

open access: yesIET Power Electronics
ABSTRACT Microgrids, as an important component of modern power systems, have garnered significant attention due to their ability to operate flexibly, enhance power supply reliability, and improve the integration of renewable energy sources.
Jie Liu   +4 more
openaire   +1 more source

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