Results 121 to 130 of about 15,513 (312)

A reduced battery system model and sizing algorithm for future hybrid electric airplanes architectures studies

open access: yes, 2021
International audienceThe path to climate-friendly aviation is a difficult way that needs to be traveled fast. A considerable and immediate drop of fossil fuels consumption is necessary to respect the Paris Agreement.
Berseneff, Boris   +2 more
core  

A Consensus-Based Current Sharing Algorithm for Energy Storage Systems: An Application to Aeronautic Microgrids

open access: yesIEEE Access
More Electric Aircraft (MEA) and All Electric Aircraft (AEA) require advanced autonomous electric Energy Management Systems (EMS) onboard the aircraft. The aircraft electric network can be considered as an islanded microgrid, and as such some approaches ...
Giacomo Canciello   +2 more
doaj   +1 more source

Approximate Reachability for Feedback Linearizable Systems

open access: yesOptimal Control Applications and Methods, EarlyView.
The backwards reachable set for a dynamical system is the set of states for which there exists a constraint admissible trajectory that reaches a given terminal set. Conventional grid‐based approaches for computing these sets are intractable for many applications.
Vincent Liu   +2 more
wiley   +1 more source

Embedding Fiber Segment Interferometry for Localization of Defects in Composite Structures

open access: yesPolymer Composites, EarlyView.
Graphical representation of composite structures with embedded fiber optic sensors for structural health monitoring, enabling strain measurement and damage localization under mechanical loading. ABSTRACT In the area of structural health monitoring (SHM), embedding strain sensors into smart composites is a key strategy for detecting failures arising ...
Shiva Mohammadkarimi   +3 more
wiley   +1 more source

Validation of Enhanced Heat Dissipation Options in More Electric Aircraft Under Flight Conditions

open access: yes
With the increased electrification of aircraft, the thermal management of associated heat loads becomes more and more of a challenge. While a classical airline aircraft typically has a system thermal emission in the same range as the heat generated by ...
Maximilian Kienberger   +7 more
core   +1 more source

Aircraft hydraulic power system diagnostic, prognostics and health management [PDF]

open access: yes, 2012
This Individual Research Project (IRP) is the extension research to the group design project (GDP) work which the author has participated in his Msc programme.
Wang, Jian
core  

Evaluating Aircraft with Electric and Hybrid Propulsion

open access: yes, 2018
>>> Purpose – This presentation takes a critical look at various electric air mobility concepts. With a clear focus on requirements and first principles applied to the technologies in question, it tries to bring inflated expectations down to earth ...
Scholz, Dieter
core   +2 more sources

A Study on Power System Retrofit for Cessna-172S Aircraft by Using Hydrogen Fuel Cell and Battery Hybrid

open access: yesIEEE Access
The electrification of aviation is predominantly driven by environmental concerns associated with emissions. In this context, while the More Electric Aircraft and Hybrid Electric Aircraft concepts are currently at the forefront, the long-term objective ...
Oguz Kagan Keles   +3 more
doaj   +1 more source

Fusion Bonding Repair of Impact‐Damaged Elium Laminates: Comparison of Hot Pressing and Joule Heating

open access: yesPolymer Composites, EarlyView.
Joule Heating‐Enabled Repair of Impact‐Damaged GFRP/Elium Laminates. ABSTRACT This study investigates the repairability of glass fiber‐reinforced Elium (GFRP/Elium) laminates incorporating nickel‐coated carbon veils, focusing on hot pressing and Joule heating as fusion bonding repair techniques.
Ozan Can Zehni
wiley   +1 more source

User privacy prevention model using supervised federated learning‐based block chain approach for internet of Medical Things

open access: yesCAAI Transactions on Intelligence Technology, EarlyView., 2023
Abstract This research focuses on addressing the privacy issues in healthcare advancement monitoring with the rapid establishment of the decentralised communication system in the Internet of Medical Things (IoMT). An integrated blockchain homomorphic encryption standard with an in‐build supervised learning‐based smart contract is designed to improvise ...
Chandramohan Dhasarathan   +7 more
wiley   +1 more source

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