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Journal articles on the topic 'Aircraf'

Author: Grafiati

Published: 28 June 2021

Last updated: 29 July 2025

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1

Serenko, Irina. "RUSSIA INCLUSION IN «PAKISTAN STREAM» IN COURSE OF MUTUALLY BENEFICIAL ECONOMIC COOPERATION." Eastern Analytics 13, no. 1 (2022) (2022): 36–47. http://dx.doi.org/10.31696/2227-5568-2022-01-036-047.

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Air transport has become the most dynamic segment of the PRC's transport services market. As a necessary conditon for the country's territorial integrity and the unity of its economic space, regular air lines connect all parts of the huge state, ensure the expansion of China's foreign economic relatons and its integraton into the system of world economic relatons. Despite the losses incurred by the industry in 2020 due to the COVID‑19 epidemic, China contnues to explode its air travel market. Moreover, the Chinese airlines were the fastest to restore the previous, «dock‑like» indicators. At th

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Tomberg, Igor. "THE AIR TRANSPORT OF CHINA." Eastern Analytics 13, no. 1 (2022) (2022): 24–35. http://dx.doi.org/10.31696/2227-5568-2022-01-024-035.

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Air transport has become the most dynamic segment of the PRC's transport services market. As a necessary conditon for the country's territorial integrity and the unity of its economic space, regular air lines connect all parts of the huge state, ensure the expansion of China's foreign economic relatons and its integraton into the system of world economic relatons. Despite the losses incurred by the industry in 2020 due to the COVID‑19 epidemic, China contnues to explode its air travel market. Moreover, the Chinese airlines were the fastest to restore the previous, «dock‑like» indicators. At th

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3

Suharyadi, Suharyadi, and Yudhistira Tri Nurteisa. "Teknologi Pesawat Tanpa Awak untuk Pemetaan Skala Detail Rencana Jaringan Pipa Sanitasi Komunal bagi Masyarakat Dusun Kepek 1, Kepek, Wonosari, Gunungkidul." Jurnal Pengabdian kepada Masyarakat (Indonesian Journal of Community Engagement) 2, no. 1 (2017): 1–13. http://dx.doi.org/10.22146/jpkm.22081.

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Human settlements can not be separated from the emergence of waste generated by human activity. Waste will give a negative efect on health and the environment if not handled and managed properly. Hamlet Kepek 1, Kepek, Wonosari have realized the impact that arises when household waste is not managed properly. For that, some residents have initiated a communal waste management and manufacture of communal sanitation pipelines. Conventionally, communal sanitary pipe network planning and data requires a huge cost, for it takes breakthrough of utilization of appropriate technology to facilitate the

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Mikhailov, E. A., and V. B. Fedorov. "Study of the design parameters of the onboard system for changing the massinertia characteristics of the aircraf." Bulletin of the South Ural State University series "Mechanical engineering industry" 23, no. 1 (2023): 50–62. http://dx.doi.org/10.14529/engin230105.

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The paper presents the results of a study of a new concept of a system for changing the mass-inertial characteristics of nominally axisymmetric rotor structures, in particular, aircraft of an axisymmetric shape. This system can be used for static and dynamic balancing of the product directly during operation and is a balancing weight installed on the movable platform of the mechanism with parallel kinematics of the hexapod type. It can be applied, including for nominally axisymmetric aircraft, to parry disturbances from asymmetries of various kinds by purposefully creating a mass-inertial asym

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Al Wardi, Yousuf, Sasirajan Jeevarathinam, and Saleh Al Sabei. "A Cross-Cultural Anthropometric Analysis in Military Aviation." Aerospace Medicine and Human Performance 91, no. 4 (2020): 358–62. http://dx.doi.org/10.3357/amhp.5530.2020.

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BACKGROUND: Aircrew-aircraft compatibility is important in military aviation for flight safety. Anthropometric aircrew selection standards in RAFO were embedded from the selection standards of western defense forces as the aircrafts were imported from there. Henceforth efforts were made to fit local native aviators into aircrafts not initially designed for them. In view of this, this study was carried out to obtain the anthropometric data of Oman aircrew recruits and compare these with published western and eastern data with a hope to understand and highlight the aircrew-aircraft mismatch issu

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Biswal, P., and YS Dahiya. "Principal component analysis: The path ahead for aircrew-aircraft compatibility at the Institute of Aerospace Medicine." Indian Journal of Aerospace Medicine 63 (November 7, 2019): 8–15. http://dx.doi.org/10.25259/ijasm_2019_3.

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Introduction: The Institute of Aerospace Medicine provides design consultancy on aircraft-aircrew compatibility on a number of fixed-wing as well as rotary-wing aircrafts during various stages of development. Till date, the cockpit compatibility of aircrew has been determined based on the percentile concept. Percentiles, though useful when dealing with a single parameter, pose major design and fitment problems when considering multiple parameters simultaneously as in aircraft cockpit design. The concept of multivariate analysis has been the solution which the aviation industry the world over h

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Ponomarev, Artyom I., and Mikhail Y. Sorokin. "INTEGRATION OF THE MEASURED ALTITUDE-SPEED PERFORMANCES IN THE SYSTEM." Автоматизация процессов управления 2, no. 64 (2021): 18–22. http://dx.doi.org/10.35752/1991-2927-2021-2-64-18-22.

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The air data system used by modern aircrafts is a soft hardware designed to measure, compute, and display the altitude-speed performances as well as other parameters such as air temperature, angles of attack and slip; and to provide to aircrew and consumers (various on-board systems) with this information. The speed and altitude are one of the most important flight parameters of an aircraft. The operating principle of modern onboard equipment for measuring the aircraft movement parameters while in flight is based on an aerometric method. This article deals with a method for increasing the accu

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Yao, Xinchi. "Differences in large aircraft design between military and civil perspectives." Theoretical and Natural Science 14, no. 1 (2023): 112–16. http://dx.doi.org/10.54254/2753-8818/14/20240908.

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Military transport aircrafts and civil aircrafts are important parts of the aviation field. With the development of aviation technology and the specificity of aircraft functions, the design of military transport aircraft and civil aircraft gradually differs according to application scenarios. However, in the aircraft design, military transport aircrafts and civil aircrafts still have a lot of mutual references. Analyzing the differences between them and the reasons for the differences may contribute to the design and development of military transport aircraft and civil aircraft in the future,

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Lewitowicz, Jerzy, and Stefan Rutkowski. "Research of the Reliability of an Air Combat Manoeuvere – Nosedive of a Jet Powered Aircraft / Badanie Niezawodności Lotniczego Manewru Bojowego – Lotu Nurkowego Samolotu Odrzutowego." Journal of KONBiN 31, no. 1 (2014): 13–22. http://dx.doi.org/10.2478/jok-2014-0019.

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Abstract This paper considered a problem of: the reliability of performance of a nosedive of a jet powered aircraft in the context of the ability of pilots trained on a simulator to reliably accomplish a combat mission. For research purposes, the manoeuvre of attack of a target with the nosedive, which is most commonly used by the pilots performing flights on different types of modern aircrafts, and the basic manoeuvre during aircrew training, both basic and advanced were assumed. The research was conducted on a flight simulator.

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Fujita, Etsushi, Taichi Higashioka, Manabu Sugiura, and Osamu Kohashi. "Evaluation method of military aircraft noise using AI analysis of aircraft images." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 6 (2021): 854–62. http://dx.doi.org/10.3397/in-2021-1668.

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In recent aircraft noise survey in Japan, noise data is associated with each aircraft by flight log or by radio information including transponder signals. Especially, above Tokyo metropolitan area, flight tracks are tangled extremely each other, therefore assessments from various perspectives such as departure / arrival airport, used runway, aircraft model, and operator have been demanded for determining noise policies. However, for military aircrafts, it is not easy to identify their information with the same way as commercial aircrafts, because their flight logs are not disclosed and many of

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Zhang, Yuhang, Hao Sun, Jiawei Zuo, Hongqi Wang, Guangluan Xu, and Xian Sun. "Aircraft Type Recognition in Remote Sensing Images Based on Feature Learning with Conditional Generative Adversarial Networks." Remote Sensing 10, no. 7 (2018): 1123. http://dx.doi.org/10.3390/rs10071123.

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Aircraft type recognition plays an important role in remote sensing image interpretation. Traditional methods suffer from bad generalization performance, while deep learning methods require large amounts of data with type labels, which are quite expensive and time-consuming to obtain. To overcome the aforementioned problems, in this paper, we propose an aircraft type recognition framework based on conditional generative adversarial networks (GANs). First, we design a new method to precisely detect aircrafts’ keypoints, which are used to generate aircraft masks and locate the positions of the a

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Zuo, Yu Yu. "Analysis of Gas Turbine Engines Auxiliary Power Units." Applied Mechanics and Materials 533 (February 2014): 13–16. http://dx.doi.org/10.4028/www.scientific.net/amm.533.13.

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As aircraft became more complex a need was created for a power source to operate the aircraft systems on the ground without the necessity for operating the aircrafts main engines. This became the task of the Auxiliary Power Unit (APU). The use of an APU on an aircraft also meant that the aircraft was not dependant on ground support equipment at an airfield. It can provide the necessary power for operation of the aircrafts Electrical, Hydraulic and Pneumatic systems. It should come as no surprise that the power unit selected to do this task is a Gas Turbine Engine.

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Wang, Hong Yong, Rui Ying Wen, and Yi Fei Zhao. "Empirical Research on Topological Characteristics of Air Traffic Situation Network." Applied Mechanics and Materials 744-746 (March 2015): 1975–79. http://dx.doi.org/10.4028/www.scientific.net/amm.744-746.1975.

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A method for description of structural characteristics of air traffic situation based on the theory of complex network was proposed. This method characterizes the air traffic situation from three dimensions, including single aircraft, local sector, and overall sector. We selected the routinely-recorded flight data in an air traffic control sector within China's airspace in 2013. With the aircrafts in the sector regarded as nodes, and with the between-aircraft proximity relations as edges, we constructed an undirected and unweighted aircraft network. The results show that network node degree ca

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Idres, Moumen. "Assessment of the Range of an Electric Aircraft." Journal of Advanced Research in Applied Sciences and Engineering Technology 50, no. 2 (2024): 155–70. http://dx.doi.org/10.37934/araset.50.2.155170.

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Electrification of aircraft is a rapidly developing area of the aerospace industry. Thus, there are many electric aircrafts in development, testing, or production. Electric aircrafts are currently viable for short range and short time flight missions due to battery-specific energy limitations. Hence, training and commuter aircrafts are feasible targets for electrification. Pipistrel Velis Electro is the world's first certified crewed electric aircraft for pilot training. In this work, Pipistrel Velis Electro aircraft range is evaluated based on solution of longitudinal equations of motion. A s

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Yao, Man. "Water Impact Analysis for Aircraft over Sea." Applied Mechanics and Materials 341-342 (July 2013): 563–66. http://dx.doi.org/10.4028/www.scientific.net/amm.341-342.563.

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The modern aircrafts flying height is strictly limited by the conditions on the sea. Terrible conditions may lead overturning or dropping into the water to the aircraft. Whats more, the structure of the aircraft may be broken by water-impact force. The affection of the water impact must be considered to promise the safety of the aircraft. This paper focuses on the water impact to a typical symmetrical aircraft flying above sea. The water impact force related to the trajectory angle and equivalent pitch angle is researched based on the water impact force model of a two-dimensional wedge. In add

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Zhao, Chang Jun, Yue Bai, Xun Gong, Dong Fu Xu, and Zhi Jun Xu. "Control System Design of a Hex-Rotor Aircraft Based on the Neural Network Sliding Mode Method." Advanced Materials Research 971-973 (June 2014): 418–21. http://dx.doi.org/10.4028/www.scientific.net/amr.971-973.418.

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For the existing Multi-rotor aircrafts, the under-actuation and strong coupling characteristics have a remarkable influence on their flight performance. In order to overcome this effect, a novel Hex-Rotor aircraft is proposed in this paper. Based on the unique configuration of its six driving rotors, the Hex-Rotor aircraft has the ability to achieve the real independent control on the space 6-DOF channels. An autonomous flight control system with neural network sliding mode is designed. The simulation proved that the novel Hex-Rotor aircraft has desired maneuvering capability,and thehe control

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17

Zhaohui, Ming, Zhang Ming, Tang Xinmin, and Han Song-Chen. "Structural Modelling and Deceleration Algorithm for a Follow Aircraft on Performance-Based Navigation Airway Based on Multi-Agent Technique." Cybernetics and Information Technologies 15, no. 6 (2015): 46–56. http://dx.doi.org/10.1515/cait-2015-0066.

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Abstract Considering the operation characteristics of the high-speed PBN airway, we propose an aircraft agent structural model and a basic algorithm flow of decision-making by Multi-agent technique. According to the constraint of safe separation and speed with the aircrafts, making use of the car-following theory, the deceleration constraint model is built for a flight management system. When the front aircraft decelerates, the model can offer a speed adjustment proposal for the following aircraft. The model is built based on the minimal safe separation and speed interval constraint; each vari

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Li, Jun, Wei Yang, and Yang Pei. "Vulnerability Assessment for Fire and Explosion Suppression Measures of Aircraft Fuel System." Advanced Materials Research 510 (April 2012): 64–69. http://dx.doi.org/10.4028/www.scientific.net/amr.510.64.

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Fuel system is the most vulnerable system on fixed wing aircraft. When penetrated by threat propagators, it is liable to be damaged by combustion and explosion. Thus, fire/explosion suppression for fuel system are important measures to improve the aircrafts survivability. In this paper, the whole aircraft vulnerability model which consists of aircraft configuration, structure, and systems is constructed by CATIA software, the basic steps for vulnerability quantitative computation are descried, and the computing formulas of three kill modes are presented. The vulnerability of one aircraft befor

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Kartyshev, Mikhail. "Ecoflight Monitoring - new aircraft noise monitoring system with neural network-based data filtering." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 268, no. 8 (2023): 511–16. http://dx.doi.org/10.3397/in_2023_0088.

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Reliable measurements and further evaluation of noise environment in the field, as well as refinement of an airfield noise zone are directly impacted by the completeness and accuracy of registered individual noise events created by aircrafts flying near monitoring locations. Also, monitoring stations are often located in densely-populated areas that feature other noise sources. Detecting aircraft flight events becomes even more complicated when there is no location data for aircrafts that lack ADS-B transponders. The Moscow region, where most aircraft noise monitoring projects are run, is uniq

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20

Kwiek, Agnieszka. "Conceptual design of an aircraft for Mars mission." Aircraft Engineering and Aerospace Technology 91, no. 6 (2019): 886–92. http://dx.doi.org/10.1108/aeat-08-2018-0231.

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Purpose The purpose of this paper is to present the results of a conceptual design of Martian aircraft. This study focuses on the aerodynamic and longitudinal dynamic stability analysis. The main research questions are as follows: Does a tailless aircraft configuration can be used for Martian aircraft? How to the short period characteristic can be improved by side plates modification? Design/methodology/approach Because of a conceptual design stage of this Martian aircraft, aerodynamic characterises were computed by the Panukl package by using the potential flow model. The longitudinal dynamic

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Zhang, X., B. Xiong, and G. Kuang. "AIRCRAFT SEGMENTATION IN SAR IMAGES BASED ON IMPROVED ACTIVE SHAPE MODEL." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-3 (April 30, 2018): 2331–35. http://dx.doi.org/10.5194/isprs-archives-xlii-3-2331-2018.

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In SAR image interpretation, aircrafts are the important targets arousing much attention. However, it is far from easy to segment an aircraft from the background completely and precisely in SAR images. Because of the complex structure, different kinds of electromagnetic scattering take place on the aircraft surfaces. As a result, aircraft targets usually appear to be inhomogeneous and disconnected. It is a good idea to extract an aircraft target by the active shape model (ASM), since combination of the geometric information controls variations of the shape during the contour evolution. However

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Vladimirov, Y. "PROGRESS BEYOND THE CLOUDS AND METAMORPHOSIS OF TIME." World of Transport and Transportation 16, no. 5 (2018): 272–76. http://dx.doi.org/10.30932/1992-3252-2018-16-5-18.

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For the English full text of the article please see the attached PDF-File (English version follows Russian version).Sobolev, Dmitry A. The history of development of passenger aircrafts (1910-1970s): To the 100th anniversary of civil aviation. Moscow, «Russkie Vityazi» Foundation, 2018, 264 p. ABSTRACT The book is devoted to the history of development of passenger aircrafts from the beginning of their appearance until the mid-1970s. The book tells how the first passenger aircrafts appeared and civil aviation became more and more in demand, which was intended to master the previously inaccessibl

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Gao, Feng, Qizhi Xu, and Bo Li. "Aircraft Detection from VHR Images Based on Circle-Frequency Filter and Multilevel Features." Scientific World Journal 2013 (2013): 1–7. http://dx.doi.org/10.1155/2013/917928.

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Aircraft automatic detection from very high-resolution (VHR) images plays an important role in a wide variety of applications. This paper proposes a novel detector for aircraft detection from very high-resolution (VHR) remote sensing images. To accurately distinguish aircrafts from background, a circle-frequency filter (CF-filter) is used to extract the candidate locations of aircrafts from a large size image. A multi-level feature model is then employed to represent both local appearance and spatial layout of aircrafts by means of Robust Hue Descriptor and Histogram of Oriented Gradients. The

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Chenguang, Yang, Liu Hu, and Gao Yuan. "Load Planning of Transport Aircraft Based on Hybrid Genetic Algorithm." MATEC Web of Conferences 179 (2018): 01007. http://dx.doi.org/10.1051/matecconf/201817901007.

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Loading of transport aircraft attracts much attention as the airlift is developing rapidly. It refers to the process that various cargoes are loaded, in an appropriate manner, into kinds of transport aircrafts with constraints of volume, weight and gravity center. Based on two-dimensional bin packing with genetic algorithm (GA), a new hybrid algorithm is proposed to solve the multi-constraint loading problem of transport aircraft for seeking the minimum of fuel consumption. Heuristic algorithm is applied to optimize single-aircraft loading in GA decoding, and the procedure of hybrid GA is summ

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Sutiawan, Sutiawan, Dena Hendriana, Hanny J. Berchmans, Henry Nasution, and Gembong Baskoro. "Design and Analysis of Warning System for Aircraft Wingtip Proximity to Hangar Column using Ultrasonic Sensor." Proceedings of The Conference on Management and Engineering in Industry 2, no. 1 (2020): 7–10. http://dx.doi.org/10.33555/cmei.v2i1.33.

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Aircraft maintenance is using very large hangar as a place to work on the aircrafts and the hangar can fit several aircrafts at the same time. The aircrafts are moved using tow cars in and out of the hangar. The hangar is so big that it requires columns for its structure and these columns present risk to the aircrafts for having wingtip collitions during towing in and out of the hangar. In this study, warning system for aircraft wingtip proximity to the hangar columns is designed. This warning system is using ultrasonic sensors attached to the columns and controlled by Arduino micro processor

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Kim, Min-Seong, Byung Hyuk Kwon, and Tae-Young Goo. "Comparisons between Mean and Turbulent Parameters of Aircraft-Based and Ship-Based Measurements in the Marine Atmospheric Boundary Layer." Atmosphere 12, no. 9 (2021): 1088. http://dx.doi.org/10.3390/atmos12091088.

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The Structure des Echanges Mer-Atmosphère, Propriétés Océaniques/ Recherche Expérimentale (SEMAPHORE) experiment was conducted over the oceanic Azores current located in the Azores Basin. The evolution of the marine atmospheric boundary layer (MABL) was studied based on the evaluation of mean and turbulent data using in situ measurements by a ship and two aircrafts. The sea surface temperature (SST) field was characterized by a gradient of approximately 1 °C/100 km. The SST measured by aircraft decreased at a ratio of 0.25 °C/100 m of altitude due to the divergence of the infrared radiation fl

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Liu, Ruiwei, Siqi Hao, Yaping Zhang, Chonghang Xu, Wenjing Li, and Yunrui Mo. "A Novel Strategic Aircraft Track Planning Method Considering Conflict Probability." Aerospace 9, no. 12 (2022): 848. http://dx.doi.org/10.3390/aerospace9120848.

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Generally, air track planning is conducted in real time and takes modified track distance minimization as objective. Next-generation air transport systems provide aircrafts with more flexibility in track planning and more responsibilities in self-separation, which present a great challenge for aircraft optimal track planning, especially in some high-density airspaces and some complex conflict scenarios. This paper proposes a novel aircraft track planning method by taking aircraft conflict probability into consideration. First, the concepts of aircraft potential motion space and the estimation

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Zhu, Hongchang. "History and Future Development of Morphing-Wing Aircrafts." Theoretical and Natural Science 86, no. 1 (2025): 120–25. https://doi.org/10.54254/2753-8818/2025.20190.

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Morphing-wing aircraft can alter the shape of their wings to achieve different flight performances. Such changes are made to achieve the optimum aerodynamic profile for the current flight environment. The morphing wings greatly improve the flight efficiency and reduces the energy loss in different environments. Morphing designs can be categorized into three distinct types based on their fundamental mechanisms: rotation of specific segments or the entire wing, telescoping, and inflation of particular components or the entire wing. With the continuous technological innovation and practical appli

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Xiao, Xian Bo, Xiang Jun Kong, Ya Jie Shi, and Si Yuan Yao. "Jet Blast Resistance Experiment of Engineered Material Arresting System." Advanced Materials Research 750-752 (August 2013): 2244–47. http://dx.doi.org/10.4028/www.scientific.net/amr.750-752.2244.

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Engineered materials could arrest aircrafts rushing out of runway, but its fragile and can be easily damaged by jet blast exhausted by taking off aircraft nearby. Engineered material unit coating and encapsulation were described in this paper, and a jet blast resistance experiment is designed to quantitatively measure the units resistant capability. In this experiment, a test bed built by units will receive a taking-off Boeing 737-300 aircrafts jet blast for over 60 seconds. The test order decreased distance from aircraft tail to the test bed. And the predicted air velocity and temperature was

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Fang, Jie, and Hong Shan Xia. "Aircraft Dynamic Scheduling Algorithm Research Based on Heuristic Column Generation Algorithm." Applied Mechanics and Materials 411-414 (September 2013): 2364–68. http://dx.doi.org/10.4028/www.scientific.net/amm.411-414.2364.

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Aircraft dynamic scheduling affects the operation efficiency and flight benefits. Airlines make a rational organization of surplus aircraft to generate the best scheduling solution. The present research constructs an aircraft dynamic scheduling network diagram, define the surplus aircrafts available routings and create aircraft dynamic scheduling mathematical model. Through a mixture column generation algorithm with heuristic methods, the research find the routings in the optimal aircraft dynamic scheduling program. The given instance verifies the model and algorithm generate reasonable and pr

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Wang, Jie Ning, Bin Bin Wang, and Yuan Di Zhao. "A Probabilistic Algorithm to Medium-Term Conflict Detection with Multi-Waypoints." Applied Mechanics and Materials 411-414 (September 2013): 2763–69. http://dx.doi.org/10.4028/www.scientific.net/amm.411-414.2763.

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To predict the potential conflict during the flight routes, a conflict detection approach based on multi-waypoints is presented. Aimed at the encounter geometry of two aircrafts with multi-waypoints, in order to simply the computational process, the aircrafts routes are divided into several straight conflict paths. Model along track kinematics equation of the aircraft by referencing to a classical conclusion that the along track error of the aircraft is normal distributed, consider an encounter between two aircrafts at the same flight level , construct an ellipse conflict region, by establishi

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Filippov, R. N., and E. A. Titova. "Effect of the Wake Vortex on the Mutual Safety of Winged Aircraft Following the Same Route." Proceedings of Higher Educational Institutions. Маchine Building, no. 10 (739) (October 2021): 65–73. http://dx.doi.org/10.18698/0536-1044-2021-10-65-73.

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The wake vortex consists mainly of two vortices, which are formed when the stream flows around the wings of an aircraft. A semi-empirical model of a stable vortex wake is proposed and analyzed. The model allows describing the velocity field in a vortex, depending on the characteristics of the aircraft generator, as well as assessing the effect of the vortex on the subsequent aircraft. Statistical modeling was carried out to determine the safe interval between the aircrafts for the characteristic sections of the trajectory. When moving over the sea, a straight-line route, a trajectory with turn

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Wang, Zhipeng, Zhiqin Qian, Ziye Song, Hongzhou Liu, Wenjun Zhang, and Zhuming Bi. "Instrumentation and self-repairing control for resilient multi-rotor aircrafts." Industrial Robot: An International Journal 45, no. 5 (2018): 647–56. http://dx.doi.org/10.1108/ir-03-2018-0053.

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Purpose Even though multi-rotor aircrafts are becoming more and more prevalent in the fields of aerial photography, agricultural spraying, disaster searching and rescuing, how to achieve higher reliability and robustness of an aircraft still poses a big challenge. It is not a rare case that a multi-rotor aircraft is severely damaged or crushed when an actuator or sensor is malfunctioned. This paper aims at the resilience of an aircraft when a rotor is malfunctioned. Design/methodology/approach The reliability of a multi-rotor aircraft can be measured in terms of stability, robustness, resilien

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DUEE, Raphael, Alexis MARTIN, Hugo VASSEUR, and Jean-Frédéric DESJARDINS. "Aircraft automatic detection on Station7hz interface using signal processing and artificial intelligence - ACOUDET - First method." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 270, no. 6 (2024): 5767–75. http://dx.doi.org/10.3397/in_2024_3644.

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The global project is to design a automatic noise event detection and classification system in real time using signal processing and artificial intelligence (AI). The first phase focuses on transport noise (aircrafts, trains, road vehicles, etc.). Secondly, the plan is to extend detection to construction site noise and any natural or life sources. This paper presents the first method developed to detect audible aircrafts pass-by. It focused on the development of a prototype detection algorithm, its results in situ conditions, and insights on future developments to create a robust aircraft and

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Shi, Qiongyan, and Jianghua Zhang. "Mechanical Structure Design of the Aircraft ASD Control Isolation Control." Journal of Applied Mathematics 2022 (November 16, 2022): 1–16. http://dx.doi.org/10.1155/2022/8306216.

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Aircraft control system is of key importance for flight attitude control of aircrafts. Its normal function directly determines whether the aircraft flies safely, flight delay, and dispatch reliability. Therefore, this paper designs the mechanical structure of the aircraft ASD control isolation control. Firstly, the mechanical control principle of the driving rod system is analyzed, and the isolation mechanism of pitch and roll control is designed; secondly, the control lines are classified, the transmission characteristic requirements of the aircraft control isolation system are given, the tra

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T, Gurumekala, Indira Gandhi S, and Senthil Sivakumar M. "122 Published By: Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP) © Copyright: All rights reserved. Retrieval Number: A10301291S52019/2019©BEIESP DOI:10.35940/ijeat.A1030.1291S519 Journal Website: www.ijeat.org Routing Protocols for AANET." International Journal of Engineering and Advanced Technology 9, no. 1s5 (2019): 122–26. http://dx.doi.org/10.35940/ijeat.a1030.1291s519.

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Ad hoc network is an infrastructure less, self-configuring and dynamic network where the nodes are able to forward the information to other nodes based on connectivity and routing algorithm they follow. Recently, the concept of this ad hoc networking has been introduced among aircrafts for providing in-flight communication and to manage increased flow of data produced by civil aviation. The aircraft communication can be established either by satellites or cellular based systems. Utilizing satellites for the communication is very expensive and prone to high propagation delay. The cellular based

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Sun, Ji Ku, Zong Jie Cao, De Jian Sun, and Yi Chen. "Characteristic of Corrosive Damages about Aircraft Structures in Service." Applied Mechanics and Materials 543-547 (March 2014): 316–19. http://dx.doi.org/10.4028/www.scientific.net/amm.543-547.316.

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In engineering practices, aircraft structures have been damaged due to the structural corrosion, the corrosive problem of aircrafts needs to call high attentions for researchers because aircraft structures are composed of metals and compound metals. In this paper, corrosion problems and structural reliability of aircraft structures are discussed. Corrosion morphology and mechanism of aircraft structures are analyzed based on metal corrosion theory. The characteristics of the various types of corrosions of aircraft structures have been enumerated. The effect of environments in corrosion process

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Kolanjiappan, S. "Innovative Approach in Introducing Lean Manufacturing Tools in Maintenance of Aircraft." Applied Mechanics and Materials 766-767 (June 2015): 1190–95. http://dx.doi.org/10.4028/www.scientific.net/amm.766-767.1190.

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Lean manufacturing was initially introduced successfully in Japan to enhance the production standard of cars in Toyota Company. These lean principles were initially known as Toyota Production system (TPS)[2]. Lean seeks to eliminate all forms of waste in the manufacturing process—including waste in the maintenance operation[1].This present study about lean principles if could be introduced in maintenance of aircraft the standard of maintenance process could be significantly improved. Hence study of experimental research was carried out on pre-matured failure of lifed hydraulic components of te

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Amelyushkin, I. A., M. A. Kudrov, and P. S. Kuleshov. "Peculiarities of icing in a flow with supercooled droplets and ice crystals." Journal of Physics: Conference Series 2817, no. 1 (2024): 012025. http://dx.doi.org/10.1088/1742-6596/2817/1/012025.

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Abstract New results of aircraft icing are obtained. New mathematical models of physical phenomena are formulated. Original construction of adaptive wing was invented, developed and prototypes were built. New algorithm of aircrafts’ surface with nanorelief are developed. Parametric studies of aircraft icing peculiarities were carried out.

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Heiselberg, Peder, and Henning Heiselberg. "Aircraft Detection above Clouds by Sentinel-2 MSI Parallax." Remote Sensing 13, no. 15 (2021): 3016. http://dx.doi.org/10.3390/rs13153016.

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Detection of aircrafts in satellite images is a challenging problem when the background is strongly reflective clouds with varying transparency. We develop a fast and effective detection algorithm that can find almost all aircrafts above and between clouds in Sentinel-2 multispectral images. It exploits the time delay of a few seconds between the recorded multispectral images such that a moving aircraft is observed at different positions due to parallax effects. The aircraft speed, heading and altitude are also calculated accurately. Analysing images over the English Channel during fall 2020,

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Egoshin, Sergei. "An Analysis of Some Aspects of Co-evolutionary Development of Jet Fighter Generations in the Second Half of the 20th Century." Voprosy istorii estestvoznaniia i tekhniki 42, no. 4 (2021): 643. http://dx.doi.org/10.31857/s020596060017404-6.

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The importance of studying developmental dynamics of global aircraft pool is unquestionable: this knowledge allows a substantive analysis of the history of development of aircraft engineering. At the same time, introducing for consideration some a priori notions such as e. g. “aircraft generations” allows to more fully demonstrate an interrelated development (co-evolution) of aircrafts and social institutions. This article considers as an example of co-evolution the opposition between jet fighter parks of the Warsaw Pact countries and NATO in 1954–1989. The dynamics of the development of jet f

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A., Armaan, and Srinivas G. "In Tune with Times: Recent Developments in Theoretical, Experimental and Numerical techniques of Aircraft Engines." International Journal of Engineering & Technology 7, no. 2 (2018): 805. http://dx.doi.org/10.14419/ijet.v7i2.10910.

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Today the aircraft engine designing and development work is increasing drastically. Especially aircraft engines play a vital role in order to decide the aircrafts speed and its performance. Broadly turbojet, turboprop, turbo shaft and turbofan engines comes under the category of air breathing engines. Every engine has its own purpose and application. But modern aircrafts require much more advancements. Designing a new aircraft engine has been a really challenging task to the researchers. But giving a complete holistic view of aircraft engines and research gap would definitely help a lot to the

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Sakaue, Hirotaka. "Special Issue: Deicing and Anti-Icing of Aircrafts." Aerospace 8, no. 3 (2021): 72. http://dx.doi.org/10.3390/aerospace8030072.

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Qin, Derek Xiao. "Vertical takeoff and landing aircraft: Categories, applications, and technology." Theoretical and Natural Science 13, no. 1 (2023): 126–29. http://dx.doi.org/10.54254/2753-8818/13/20240810.

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A Vertical Take-Off and Landing (VTOL) aircraft is an aircraft with the ability to take off and land vertically. The ability of removing the need for a runway allows VTOL aircraft to be used for applications that standard aircraft cannot be used for. These applications include military, firefighting, and transportation applications. For the purposes of this paper, helicopters will be considered to be VTOL aircraft, as they fit the general criteria and are among the first to be widely used. VTOL aircraft can be split into several categories, including hybrid VTOL aircraft, VTOL Unmanned Aerial

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Zieja, Mariusz, and Mirosław Zieja. "An economic aspect of shaping reliability and safety of the ‘pilot-aircraft’ system/Ekonomiczny aspekt kształtowania niezawodności i bezpieczeństwa systemu „pilot – statek powietrzny”." Journal of KONBiN 20, no. 1 (2011): 175–84. http://dx.doi.org/10.2478/v10040-012-0045-1.

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Abstract An economic factor is what should be given careful consideration throughout the aircraft service process. This is what significantly adds to the question of aircraft utility value. Any aircraft of even exceptionally good engineering properties may show rather poor utility value if it proves extremely expensive while in operation. If significance of economic issues throughout the process of operating military aircraft remains underestimated, it may straightforward lead to false if not disastrous solutions. Rational decisions on increasing expenditures on improvement in the operational

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Lü, Zhi, Zhan Gao, and Yi Lü. "A Flight Simulator that Grouping Aircrafts Simultaneously Take off and Land in Open Grid Computing Environment." Applied Mechanics and Materials 182-183 (June 2012): 1292–97. http://dx.doi.org/10.4028/www.scientific.net/amm.182-183.1292.

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The performance of airplane in commercial airline environment is determined by, and therefore an indicator of performance measure of, the thermodynamic properties of airplane. The aim of this study was to establish the use of simulators to determine aircraft accident for a flight of airplanes and evaluate the potential of new airspace structure and airport’s runway. This indicates that there is a possibility of obtaining airplane performance from analysis and verification simulating airplane. As compared with AIRBUS Full Flight Simulator, a multiple aircrafts flight simulator that grouping air

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Liu, En Yu, Xiang Min Guan, Xue Jun Zhang, and Jie Zeng. "Conflict Resolution Based on Cooperative Coevolutionary with Dynamic Grouping Strategy for Multi-Aircraft." Applied Mechanics and Materials 333-335 (July 2013): 1251–55. http://dx.doi.org/10.4028/www.scientific.net/amm.333-335.1251.

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Conflict resolution problem (CRP) plays a crucial role in the guarantee of safety. This paper formulates CRP as a multi-agent path planning problem which aims to find optimal paths for aircrafts. An algorithm named CCDG is proposed to tackle it based on cooperative coevolutionary (CC) with a dynamic grouping strategy for aircraft. CCDG makes aircraft divided into several equal sub-groups according to the dynamic grouping strategy. Each sub-group can adopt an evolutionary algorithm (EA) to optimize the aircrafts paths fully distributed and in parallel. Optimal solution is obtained through coope

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Zhang, Yongjie, Kang Cao, Ke Liang, and Yongqi Zeng. "Study on the evaluation model of serialized civil aircraft commonality index based on fuzzy set theory." Journal of Intelligent & Fuzzy Systems 40, no. 6 (2021): 11539–58. http://dx.doi.org/10.3233/jifs-202749.

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Commonality, a typical commercial feature of serialized civil aircraft study and development, refers to a series of methods of reusing and sharing assets, which were developed based on broad similarity. The common design of serialized civil aircraft is capable of maximally saving R&D, production, operation, and disposal. To maximize the total benefits of manufacturers and operators, the common design of serialized civil aircrafts primarily exploits the commercial experience of serialized products in other fields (e.g., automobiles and mobile phones), whereas a scientific index system and q

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Xiong, Zhuang, Hua Wen Zhou, and Jia Yue Ren. "The Design and Application of Aircraft Flight Stimulation and Visualization Based on HLA." Applied Mechanics and Materials 543-547 (March 2014): 3472–75. http://dx.doi.org/10.4028/www.scientific.net/amm.543-547.3472.

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Aircraft training simulator has integrated combat training ability not only needs to simulate the aircraft flight and radar, inertial navigation and avionics equipment, but also to generate realistic battlefield environment and visual effects, and to simulate the interaction between the system and the complex interaction. In the realization of the simulator, using HLA/RTI as its architecture and the supporting platform, make the device emulator is to achieve interoperability, can improve the system's flexibility and scalability. [ The target and the electromagnetic reflection characteristics o

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Lei, Zhang, and Jing Yachao. "Research on Comprehensive Evaluation of Military Aircrafts’ Overhaul Performance Based on Entropy Weight and Cloud Model." E3S Web of Conferences 257 (2021): 02065. http://dx.doi.org/10.1051/e3sconf/202125702065.

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Due to the complex evaluation of the current military aircrafts’ overhaul performance with many influencing factors, an evaluation index system of military aircrafts’ overhaul performance was constructed. It was proposed that the entropy weight method (EWM) was used to calculate the performance results, and then the performance of the reliability and validity of the results was verified based on the cloud model. By collecting the performance index data of a certain type of military aircraft overhaul from 2015 to 2018, the value of the overhaul performance of this type of military aircraft was

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