Results 101 to 110 of about 179,602 (269)

A simple dynamic engine model for use in a real-time aircraft simulation with thrust vectoring [PDF]

open access: yes
A simple dynamic engine model was developed at the NASA Ames Research Center, Dryden Flight Research Facility, for use in thrust vectoring control law development and real-time aircraft simulation.
Johnson, Steven A.
core   +1 more source

Robust Reinforcement Learning Control Framework for a Quadrotor Unmanned Aerial Vehicle Using Critic Neural Network

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
Quadrotor unmanned aerial vehicle control is critical to maintain flight safety and efficiency, especially when facing external disturbances and model uncertainties. This article presents a robust reinforcement learning control scheme to deal with these challenges.
Yu Cai   +3 more
wiley   +1 more source

Auto-updating model-based control for thrust variation mitigation and acceleration performance enhancement of gas turbine aero-engines

open access: yesPropulsion and Power Research
Model-based control shows promising potential for engine performance improvement and future aero-propulsion requirements. In this paper, an auto-updating thrust variation mitigation (AuTVM) control approach using on-board model strategies is proposed for
Zhiyuan Wei, Shuguang Zhang
doaj   +1 more source

Thrust and wing loading requirements for short haul aircraft constrained by engine noise and field length [PDF]

open access: yes
Propulsion system and wing loading requirements are determined for a mechanical flap and an externally blown flap aircraft for various engine noise levels and two engine cycles.
Bowles, J. V.   +2 more
core   +1 more source

Velocity vector control system augmented with direct lift control [PDF]

open access: yes, 1981
A pilot-controlled stability control system that employs direct lift control (spoiler control) with elevator control to control the flight path angle of an aircraft is described.
Kelly, W. W., Tisdale, H. F., Sr.
core   +1 more source

Roadmap on Artificial Intelligence‐Augmented Additive Manufacturing

open access: yesAdvanced Intelligent Systems, EarlyView.
This Roadmap outlines the transformative role of artificial intelligence‐augmented additive manufacturing, highlighting advances in design, monitoring, and product development. By integrating tools such as generative design, computer vision, digital twins, and closed‐loop control, it presents pathways toward smart, scalable, and autonomous additive ...
Ali Zolfagharian   +37 more
wiley   +1 more source

Study of Turbofan Engines Designed for Low Enery Consumption [PDF]

open access: yes
Subsonic transport turbofan engine design and technology features which have promise of improving aircraft energy consumption are described. Task I addressed the selection and evaluation of features for the CF6 family of engines in current aircraft, and ...
Hirschkron, R.   +2 more
core   +1 more source

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