Results 71 to 80 of about 226,378 (280)

Development of advanced composite structures [PDF]

open access: yes, 1978
Composite structure programs: the L-1011 Advanced Composite Vertical Fin (ACVF), the L-1011 Advanced Composite Aileron, and a wing study program were reviewed.
James, A. M., Stauffer, W. A.
core   +1 more source

A Method for Assessing the Risks to Sustainability Posed by Process Operations

open access: yesSustainable Development, EarlyView.
ABSTRACT We present a framework for assessing the risks to sustainability posed by any given set of processes. The objective is to improve sustainability by enabling better decision‐making in policy and business contexts. The framework can be applied to any system of processes where available information supports discovery and quantification of ...
Richard C. Darton, Colin J. Axon
wiley   +1 more source

Resource reallocation across successive systemic innovations: How Rolls‐Royce shaped the evolution of the turbojet, turboprop, and turbofan

open access: yesStrategic Management Journal, EarlyView.
Abstract Research Summary Despite the importance of resource reallocation in shaping a variety of strategic outcomes, strategy scholars have paid only limited attention to the processes by which firms reallocate their resources across successive systemic innovations.
Gino Cattani   +2 more
wiley   +1 more source

Technological change and productivity growth in the air transport industry [PDF]

open access: yes
The progress of the civil air transport industry in the United States was examined in the light of a proposal of Enos who, after examining the growth of the petroleum industry, divided that phenomenon into two phases, the alpha and the beta; that is, the
Belsley, S. E.   +2 more
core   +1 more source

Assessing the Usefulness of Assurance Cases: Experience With the Large Hadron Collider

open access: yesSystems Engineering, EarlyView.
ABSTRACT Assurance cases (ACs) are structured arguments designed to show that a system is sufficiently reliable to function properly in its operational environment. They are mandated by safety standards and are largely used in industry to support risk management for systems; however, ACs often contain proprietary information and are not publicly ...
Torin Viger   +7 more
wiley   +1 more source

Civil applications of high-speed rotorcraft and powered-lift aircraft configurations [PDF]

open access: yes
Advanced subsonic vertical and short takeoff and landing (V/STOL) aircraft configurations offer new transportation options for civil applications.
Albers, James A., Zuk, John
core   +1 more source

Less weight more fun [PDF]

open access: yes, 2000
Microlight Aviation is still in its infancy, yet in the 20 years since enthusiasts around the world started fitting lawnmower engines to hang-gliders or small makeshift wings progress has been remarkable.
Gratton, GB
core  

Detecting ADS-B Spoofing Attacks using Deep Neural Networks

open access: yes, 2019
The Automatic Dependent Surveillance-Broadcast (ADS-B) system is a key component of the Next Generation Air Transportation System (NextGen) that manages the increasingly congested airspace.
Bernieri, Giuseppe   +5 more
core   +1 more source

Addressing Complexity in System of Systems With GraphRAG: An AI‐Driven Framework for Dynamic Data Integration

open access: yesSystems Engineering, EarlyView.
ABSTRACT System of Systems (SoS) environments are inherently complex, involving numerous operationally and managerially independent component systems with hidden interdependencies and frequent interactions based on unstructured data. In this paper, we propose using graphical Retrieval‐Augmented Generation (GraphRAG), a tool that combines large language
Yinchien Huang   +2 more
wiley   +1 more source

Analysis and Evaluation of Fault Propagation Behavior in Integrated Avionics Systems Considering Cascading Failures

open access: yesAerospace
As the synthesis, modularization, and integration of avionics systems increase, the interconnections between systems and equipment within subsystems become increasingly complex, posing risks to the safety and reliability of the integrated avionics system.
Lei Dong, Bo Peng, Xi Chen, Jiachen Liu
doaj   +1 more source

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