Zobrazeno 1 - 10
of 343
pro vyhledávání: '"Ruxandra Mihaela Botez"'
Publikováno v:
Mathematics, Vol 12, Iss 19, p 2995 (2024)
The shortest path problem is fundamental in graph theory and has been studied extensively due to its practical importance. Despite this aspect, finding the shortest path between two nodes remains a significant challenge in many applications, as it of
Externí odkaz:
https://doaj.org/article/23d56d5f80444497b1a1c28f95361af1
Publikováno v:
Drones, Vol 8, Iss 8, p 392 (2024)
This study introduces a novel “twist morphing aileron and winglet” design for the Unmanned Aircraft System UAS-S45. Improving rolling efficiency through twist morphing ailerons and reducing induced drag through twist morphing winglets are the two
Externí odkaz:
https://doaj.org/article/1ba0088288b34a3d837fd0503617de82
Publikováno v:
Aerospace, Vol 11, Iss 8, p 625 (2024)
The rapid advancement of unmanned aerial systems in various civilian roles necessitates improved safety measures during their operation. A key aspect of enhancing safety is effective collision avoidance, which is based on conflict detection and is gr
Externí odkaz:
https://doaj.org/article/5e7f57e8fb6b48a59bc3a9629690d4d5
Publikováno v:
Aerospace, Vol 11, Iss 7, p 549 (2024)
A novel combination of three control systems is presented in this paper: an adaptive control system, a type-two fuzzy logic system, and a super-twisting sliding mode control (STSMC) system. This combination was developed at the Laboratory of Applied
Externí odkaz:
https://doaj.org/article/26534d3b38094d1896cc8c90c34dc911
Publikováno v:
Journal of Engineering, Vol 2024 (2024)
In this research, we delve into the promising potential of horizontal axis wind turbines to effectively meet the electricity needs of developing countries. By addressing the challenges posed by low Reynolds number airflow characteristics, we focus on
Externí odkaz:
https://doaj.org/article/94bfe6b7488942ca96811c4807ab9988
Publikováno v:
Applied Mechanics, Vol 4, Iss 1, Pp 304-316 (2023)
Every aerodynamic optimization is proceeded by a parameterization of the studied aerial object, and due to its influence on the final optimization process, careful attention should be made in choosing the appropriate parameterization method. An aerod
Externí odkaz:
https://doaj.org/article/ab26815092af4913806720ed483781dd
Publikováno v:
INCAS Bulletin, Vol 14, Iss 4, Pp 167-181 (2022)
To accurately predict the amount of fuel needed by an aircraft for a given flight, a performance model must account for engine and airframe degradation. This paper presents a methodology to identify an aero-propulsive model to predict the fuel flow o
Externí odkaz:
https://doaj.org/article/b566b57f7b5d493aad523db78d9d1f16
Publikováno v:
Biomimetics, Vol 9, Iss 2, p 109 (2024)
An integrated approach to active flow control is proposed by finding both the drooping leading edge and the morphing trailing edge for flow management. This strategy aims to manage flow separation control by utilizing the synergistic effects of both
Externí odkaz:
https://doaj.org/article/f9b1540619b042c590634984b3209eb5
Publikováno v:
Aerospace, Vol 11, Iss 1, p 49 (2024)
Accurate aircraft trajectory prediction is fundamental for enhancing air traffic control systems, ensuring a safe and efficient aviation transportation environment. This research presents a detailed study on the efficacy of the Random Forest (RF) met
Externí odkaz:
https://doaj.org/article/d943a0741c194eea8e756c503beeef54
Publikováno v:
INCAS Bulletin, Vol 14, Iss 2, Pp 103-119 (2022)
The increased number of accidents in general aviation due to loss of aircraft control has necessitated the development of accurate aerodynamic airplane models. These models should indicate the linear variations of aerodynamic coefficients in steady f
Externí odkaz:
https://doaj.org/article/70c10fb0c7fa41a7aa035f5a1dcf6e50