Log in

Relevant bibliographies by topics / Drone aircraft. Reliability (Engineering) / Journal articles

To see the other types of publications on this topic, follow the link: Drone aircraft. Reliability (Engineering).

Journal articles on the topic 'Drone aircraft. Reliability (Engineering)'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 journal articles for your research on the topic 'Drone aircraft. Reliability (Engineering).'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse journal articles on a wide variety of disciplines and organise your bibliography correctly.

1

Kharchenko, V., M. Yastrebenetsky, H. Fesenko, A. Sachenko, and V. Kochan. "NPP Post-Accident Monitoring System Based on Unmanned Aircraft Vehicle: Reliability Models." Nuclear and Radiation Safety, no. 4(76) (November 17, 2017): 50–55. http://dx.doi.org/10.32918/nrs.2017.4(76).08.

Full text

Abstract:

The paper presents various options for the design of NPP post-accident monitoring systems based on drone fleets. Reliability block diagrams of such options are built and formulas for estimating their probability of failure-free operation are obtained. The possibilities of using the developed models for studying the considered system options are shown. An approach to determine the optimal composition of drone fleets for NPP monitoring under restrictions on their flight trajectories is proposed.

APA, Harvard, Vancouver, ISO, and other styles

2

Shafiee, Mahmood, Zeyu Zhou, Luyao Mei, Fateme Dinmohammadi, Jackson Karama, and David Flynn. "Unmanned Aerial Drones for Inspection of Offshore Wind Turbines: A Mission-Critical Failure Analysis." Robotics 10, no. 1 (2021): 26. http://dx.doi.org/10.3390/robotics10010026.

Full text

Abstract:

With increasing global investment in offshore wind energy and rapid deployment of wind power technologies in deep water hazardous environments, the in-service inspection of wind turbines and their related infrastructure plays an important role in the safe and efficient operation of wind farm fleets. The use of unmanned aerial vehicle (UAV) and remotely piloted aircraft (RPA)—commonly known as “drones”—for remote inspection of wind energy infrastructure has received a great deal of attention in recent years. Drones have significant potential to reduce not only the number of times that personnel

APA, Harvard, Vancouver, ISO, and other styles

3

D’Amato, Egidio, Vito Antonio Nardi, Immacolata Notaro, and Valerio Scordamaglia. "A Particle Filtering Approach for Fault Detection and Isolation of UAV IMU Sensors: Design, Implementation and Sensitivity Analysis." Sensors 21, no. 9 (2021): 3066. http://dx.doi.org/10.3390/s21093066.

Full text

Abstract:

Sensor fault detection and isolation (SFDI) is a fundamental topic in unmanned aerial vehicle (UAV) development, where attitude estimation plays a key role in flight control systems and its accuracy is crucial for UAV reliability. In commercial drones with low maximum take-off weights, typical redundant architectures, based on triplex, can represent a strong limitation in UAV payload capabilities. This paper proposes an FDI algorithm for low-cost multi-rotor drones equipped with duplex sensor architecture. Here, attitude estimation involves two 9-DoF inertial measurement units (IMUs) including

APA, Harvard, Vancouver, ISO, and other styles

4

Sibilli, Thierry, Capucine Senne, Hugo Jouan, Askin T. Isikveren, and Sabrina Ayat. "Synergistic hybrid-electric liquid natural gas drone: S.H.I.E.L.D." Aircraft Engineering and Aerospace Technology 92, no. 5 (2020): 757–68. http://dx.doi.org/10.1108/aeat-10-2019-0211.

Full text

Abstract:

Purpose With the objective to assess potentially performant hybrid-electric architectures, this paper aims to present an aircraft performance level evaluation, in terms of range and payload, of the synergies between a hybrid-electric energy system configuration and a cryogenic fuel system. Design/methodology/approach An unmanned aerial vehicle (UAV) is modeled using an aircraft performance tool, modified to take into account the hybrid nature of the system. The fuel and thermal management systems are modeled looking to maximize the synergistic effects. The electrical system is defined in serie

APA, Harvard, Vancouver, ISO, and other styles

5

Brown, Alan S. "The Drone Warriors." Mechanical Engineering 132, no. 01 (2010): 22–27. http://dx.doi.org/10.1115/1.2010-jan-1.

Full text

Abstract:

This article explores the role of robots in military operations in the coming future and challenges posed by it. Military personnel believe that robots may not replace soldiers; however, as automated systems become more capable, they will certainly supplement human troops. On the ground, soldiers deploy robots to search dangerous locations, and to find and defuse roadside bombs. New models that carry weapons have already entered service. Robotic warfare is open-source warfare; enemies cannot only probe robots for technological vulnerabilities, but they can also build robots themselves. Some co

APA, Harvard, Vancouver, ISO, and other styles

6

Gardner, P., and C. R. Day. "Options for Control and Navigation of Unmanned Aircraft." Journal of Navigation 45, no. 3 (1992): 352–68. http://dx.doi.org/10.1017/s0373463300010936.

Full text

Abstract:

Whilst unmanned aircraft (UMA) can be said to encompass missiles, targets for weapon training, preprogrammed reconnaissance drones and civilian systems such as radio-controlled models used to carry cameras, for the purpose of this paper we will restrict ourselves to aircraft which are capable of sustaining autonomous flight and accepting navigation commands whilst airborne. The terms applied to unmanned aircraft are variously UMA, remotely piloted vehicle (RPV), Drone and Unmanned Aerial Vehicle (UAV).

APA, Harvard, Vancouver, ISO, and other styles

7

Newsom, Jerry R., Anthony S. Pototzky, and Irving Abel. "Design of a flutter suppression system for an experimental drone aircraft." Journal of Aircraft 22, no. 5 (1985): 380–86. http://dx.doi.org/10.2514/3.45135.

Full text

APA, Harvard, Vancouver, ISO, and other styles

8

Lu, Xiaohua, Xinchao Liu, Yingchun Zhang, Yulong Li, and Hongfu Zuo. "Simulation of airborne collision between a drone and an aircraft nose." Aerospace Science and Technology 118 (November 2021): 107078. http://dx.doi.org/10.1016/j.ast.2021.107078.

Full text

APA, Harvard, Vancouver, ISO, and other styles

9

SAINTIS, LAURENT, EMMANUEL HUGUES, CHRISTIAN BES, and MARCEL MONGEAU. "COMPUTING IN-SERVICE AIRCRAFT RELIABILITY." International Journal of Reliability, Quality and Safety Engineering 16, no. 02 (2009): 91–116. http://dx.doi.org/10.1142/s0218539309003319.

Full text

Abstract:

This paper deals with the modeling and computation of in-service aircraft reliability at the preliminary design stage. This problem is crucial for aircraft designers because it enables them to evaluate in-service interruption rates, in view of designing the system and of optimizing aircraft support. In the context of a sequence of flight cycles, standard reliability methods are not computationally conceivable with respect to industrial timing constraints. In this paper, first we construct the mathematical framework of in-service aircraft reliability. Second, we use this model in order to demon

APA, Harvard, Vancouver, ISO, and other styles

10

Oosedo, Atsushi, Hiroaki Hattori, Ippei Yasui, and Kenya Harada. "Unmanned Aircraft System Traffic Management (UTM) Simulation of Drone Delivery Models in 2030 Japan." Journal of Robotics and Mechatronics 33, no. 2 (2021): 348–62. http://dx.doi.org/10.20965/jrm.2021.p0348.

Full text

Abstract:

An unmanned aircraft system traffic management (UTM) system to support flights beyond visual line-of-sight is considered necessary for the promotion of commercial drone use. In the research and development of UTM systems, cost and time constraints make it difficult to actually fly a large number of drones in the same airspace, so research is mainly conducted using a simulator. This paper presents details of a UTM simulator named the “scalable simulator for knowledge of low-altitude environment” (SKALE) developed by the Japan Aerospace Exploration Agency (JAXA), with respect to the construction

APA, Harvard, Vancouver, ISO, and other styles

11

Bridgelall, Raj, James B. Rafert, and Denver D. Tolliver. "Performance of Hyperspectral Imaging with Drone Swarms." Transportation Research Record: Journal of the Transportation Research Board 2672, no. 45 (2018): 36–44. http://dx.doi.org/10.1177/0361198118775876.

Full text

Abstract:

The ongoing proliferation and diversification of remote sensing platforms offer greater flexibility to select from a range of hyperspectral imagers as payloads. The emergence of low-cost unmanned aircraft systems (drones) and their launch flexibility present an opportunity to maximize spectral resolution while scaling both daily spatial coverage and spatial resolution simultaneously by operating synchronized swarms. This article presents a model to compare the performance of hyperspectral-imaging platforms in their spatial coverage and spatial resolution envelope. The authors develop a data ac

APA, Harvard, Vancouver, ISO, and other styles

12

Hentschke, Matheus, Edison Pignaton de Freitas, Carlos Hennig, and Igor Girardi da Veiga. "Evaluation of Altitude Sensors for a Crop Spraying Drone." Drones 2, no. 3 (2018): 25. http://dx.doi.org/10.3390/drones2030025.

Full text

Abstract:

This work aims to study and compare different range finders applied to altitude sensing on a rotating wings UAV. The specific application is the altitude maintenance for the fluid deployment valve aperture control in an unmanned pulverization aircraft used in precision agriculture. The influence of a variety of parameters are analyzed, including the tolerance for crop inconsistencies, density variations and intrinsic factors to the process, such as the pulverization fluid interference in the sensor’s readings, as well as their vulnerability to harsh conditions of the operation environment. Fil

APA, Harvard, Vancouver, ISO, and other styles

13

Washburn, Libe, Eduardo Romero, Cyril Johnson, Brian Emery, and Chris Gotschalk. "Measurement of Antenna Patterns for Oceanographic Radars Using Aerial Drones." Journal of Atmospheric and Oceanic Technology 34, no. 5 (2017): 971–81. http://dx.doi.org/10.1175/jtech-d-16-0180.1.

Full text

Abstract:

AbstractA new method is described employing small drone aircraft for antenna pattern measurements (APMs) of high-frequency (HF) oceanographic radars used for observing ocean surface currents. Previous studies have shown that accurate surface current measurements using HF radar require APMs. The APMs provide directional calibration of the receive antennas for direction-finding radars. In the absence of APMs, so-called ideal antenna patterns are assumed and these can differ substantially from measured patterns. Typically, APMs are obtained using small research vessels carrying radio signal sourc

APA, Harvard, Vancouver, ISO, and other styles

14

Owen, C. R., R. J. Bucci, and R. J. Kegarise. "Aluminum quality breakthrough for aircraft structural reliability." Journal of Aircraft 26, no. 2 (1989): 178–84. http://dx.doi.org/10.2514/3.45741.

Full text

APA, Harvard, Vancouver, ISO, and other styles

15

Yang, J. N., and S. D. Manning. "Aircraft fleet maintenance based on structural reliability analysis." Journal of Aircraft 31, no. 2 (1994): 419–25. http://dx.doi.org/10.2514/3.46502.

Full text

APA, Harvard, Vancouver, ISO, and other styles

16

Mahadevan, Sankaran, and Pan Shi. "Corrosion fatigue reliability of aging aircraft structures." Progress in Structural Engineering and Materials 3, no. 2 (2001): 188–97. http://dx.doi.org/10.1002/pse.77.

Full text

APA, Harvard, Vancouver, ISO, and other styles

17

Mott, John H., Zachary A. Marshall, Mark A. Vandehey, Mike May, and Darcy M. Bullock. "Detection of Conflicts Between ADS-B-Equipped Aircraft and Unmanned Aerial Systems." Transportation Research Record: Journal of the Transportation Research Board 2674, no. 1 (2020): 197–204. http://dx.doi.org/10.1177/0361198119900645.

Full text

Abstract:

Versatile unmanned aerial system (UAS) platforms have grown significantly in popularity by virtue of their low cost relative to manned aircraft, high performance, and operational simplicity. While the Federal Aviation Administration (FAA) currently regulates the operating altitudes, speeds, weights, pilot qualifications, and locations of drones, a lack of capacity and technology prohibits sufficient enforcement of these restrictions. To assess the frequency and severity of manned and unmanned aircraft separation incidents, and to examine the emerging sensor technology available to facilitate s

APA, Harvard, Vancouver, ISO, and other styles

18

Yu, Xiongqing, and Xiaoping Du. "Reliability-based multidisciplinary optimization for aircraft wing design." Structure and Infrastructure Engineering 2, no. 3-4 (2006): 277–89. http://dx.doi.org/10.1080/15732470600590333.

Full text

APA, Harvard, Vancouver, ISO, and other styles

19

Glowacki, Pawel Jan, Leszek Loroch, and Wlodzimierz Balicki. "Operations reliability study of small aircraft powered by piston engines." Aircraft Engineering and Aerospace Technology 92, no. 3 (2018): 285–95. http://dx.doi.org/10.1108/aeat-01-2018-0005.

Full text

Abstract:

Purpose Europe has adopted Flight Path 2050 (FP 2050) challenge with an objective of 90 per cent of the travelers being able to reach door-to-door European destinations within 4 hours by 2050. The aim can be achieved by reliable, well-organized small aircraft transport (SAT). Analysis of the currently operating small aircraft operational reliability data will support the development of future aircraft designs as well as reliability and safety requirements necessary for commercial operations. Design/methodology/approach The paper provides results of a statistical analysis of small aircraft curr

APA, Harvard, Vancouver, ISO, and other styles

20

Zhou, Qiang, Yongan Wei, and Longjiang Zhu. "Research on reliability modeling of unmanned aircraft system avionics systems based on 5G." International Journal of Distributed Sensor Networks 15, no. 7 (2019): 155014771986038. http://dx.doi.org/10.1177/1550147719860381.

Full text

Abstract:

With the development of technology, an unmanned aircraft system will play a significant role in Internet of things based on 5G. Avionics system is an important part of the unmanned aircraft system, and the reliability of the avionics system directly determines the ability to perform missions. This article deals with the problem of reliability modeling with unmanned aircraft system avionics systems built on Internet of things in the 5G scenario. First, based on the composition of the avionics system, the network structure of the unmanned aircraft system avionics system is presented. Then, to ev

APA, Harvard, Vancouver, ISO, and other styles

21

Ge, Changfeng, Kyle Dunno, Mukul Anand Singh, Long Yuan, and Li-Xin Lu. "Development of a Drone’s Vibration, Shock, and Atmospheric Profiles." Applied Sciences 11, no. 11 (2021): 5176. http://dx.doi.org/10.3390/app11115176.

Full text

Abstract:

Technological advances in unmanned aerial vehicles (UAVs) have made it possible to employ drone deliveries for packaged products, but currently no standards of practice are available to qualify packaged products traveling through this distribution channel. This research proposes a methodology to collect field data from a UAV to develop simulation techniques for use with package testing equipment. This project utilized data recorders to measure the vibration, shock, and atmospheric field data on two models of the DJI drones. The root mean square G value (Grms), the power spectral density (PSD),

APA, Harvard, Vancouver, ISO, and other styles

22

SANCHEZ CARMONA, ALEJANDRO, CARMELO JAVIER VILLANUEVA CAÑIZARES, ALVARO GOMEZ RODRIGUEZ, LUIS GARCIA HERNANDEZ, and CRISTINA CUERNO REJADO. "CLASSIFICATION OF BRAIN SIGNALS FOR RPAS CONTROL IN THE TREATMENT OF ATTENTION DEFICIT HYPERACTIVITY DISORDER." DYNA 96, no. 1 (2021): 220–24. http://dx.doi.org/10.6036/9496.

Full text

Abstract:

The Attention Deficit Hyperactivity Disorder (ADHD) is characterized by a difficulty in processing feedback regarding the current state of the concentration of an individual. One of the main lines of research in the treatment of ADHD involved the employment of electroencephalography (EEG) Neurofeedback as a means of providing a quantification and representation of the concentration level. The current investigation constitutes a first step in developing an application of Remotely Piloted Aircraft Systems aiding in the treatment of ADHD employing a Brain Computer Interface, based on the measurem

APA, Harvard, Vancouver, ISO, and other styles

23

ROMANCHENKO, Ihor S., Oleh SEMENENKO, Maryna SLIUSARENKO, Mykola VASIANOVYCH, and Ihor LEVCHENKO. "On the development of mathematical models for the reliability evaluation of aircraft operation in combat conditions." INCAS BULLETIN 13, S (2021): 169–78. http://dx.doi.org/10.13111/2066-8201.2021.13.s.16.

Full text

Abstract:

The authors of this study propose a methodological approach to modelling the reliability evaluation of aircraft operation in combat conditions. When developing recommendations on operational and strategic requirements for promising aircraft, a very important aspect is the elicitation of the requirements for their reliability, namely no-failure operation. Reliability as a parameter of any equipment should be set in the technical specifications for development together with other operational requirements in the form of reasonable quantitative indicators – reliability standards. The establishment

APA, Harvard, Vancouver, ISO, and other styles

24

Wright, W. E., and J. C. Hall. "Advanced Aircraft Gas Turbine Engine Controls." Journal of Engineering for Gas Turbines and Power 112, no. 4 (1990): 561–64. http://dx.doi.org/10.1115/1.2906205.

Full text

Abstract:

With the advent of vectored thrust, vertical lift, and fly-by-wire aircraft, the complexity of aircraft gas turbine control systems has evolved to the point wherein they must approach or equal the reliability of current quad redundant flight control systems. To advance the technology of high-reliability engine controls, one solution to the Byzantine General’s problem (Lamport et al., 1982) is presented as the foundation for fault tolerant engine control architecture. In addition to creating a control architecture, an approach to managing the architecture’s redundancy is addressed.

APA, Harvard, Vancouver, ISO, and other styles

25

Bineid, M., and J. P. Fielding. "Development of an aircraft systems dispatch reliability design methodology." Aeronautical Journal 110, no. 1108 (2006): 345–52. http://dx.doi.org/10.1017/s0001924000001251.

Full text

Abstract:

Abstract This paper describes the development of a generic aircraft systems dispatch reliability design methodology (ASDRDM) that has been developed for use during early phases of the aircraft systems design process. The methodology incorporates prediction of both reliability and maintainability through the aircraft design hierarchy, down to component level. It can be applied at the early design stage, but can also be used for advanced design phases and can use generic or actual failure rate and mean time to repair data. It allows designers to modify system architectures and component reliabil

APA, Harvard, Vancouver, ISO, and other styles

26

Yan, Chu Liang, and K. G. Liu. "Fatigue Scatter Factor of Whole Life and Reliability of Aircraft Structure Service Life." Advanced Materials Research 44-46 (June 2008): 739–44. http://dx.doi.org/10.4028/www.scientific.net/amr.44-46.739.

Full text

Abstract:

The prediction of aircraft structure service life is of great importance to safety of aircraft structure and human beings. The relation between aircraft structure service life and reliability can be found by utilizing the fatigue scatter factor of whole life. Only when the service life satisfies the requirements of reliability, can the safety of airplane be ensured. The fatigue scatter factors of the service life accords with lognormal distribution and Weibull distribution were studied to provide important reference for predicting the safe service life of aircraft structure.

APA, Harvard, Vancouver, ISO, and other styles

27

Degaspari, John. "Look, Ma, No Pilot!" Mechanical Engineering 125, no. 11 (2003): 42–44. http://dx.doi.org/10.1115/1.2003-nov-3.

Full text

Abstract:

This paper reviews history of unmanned aircraft that are making news today. A team led by the inventor Charles Kettering had developed the airborne contraption, conceived as a top-secret weapon to deliver explosives against enemy troops. The craft was the first practical unmanned airplane. Unmanned aerial vehicles such as this circa 1946 target drone were built by the Radioplane Co. to train antiaircraft gunners during World War II. Weary bombers, such as the radio-controlled B-17G Flying Fortress, were used with small success as flying bombs during the World War II. World War II era target dr

APA, Harvard, Vancouver, ISO, and other styles

28

Antonio Pereira, Matheus, Normandes Matos da Silva, Domingos Sávio Barbosa, Dhonatan Diego Pessi, Antonio Pancracio de Souza, and Antonio Conceição Paranhos Filho. "IDENTIFICAÇÃO DE SÍTIOS DE REPRODUÇÃO DE AEDES AEGYPTI COM AERONAVE REMOTAMENTE PILOTADA (ARP)." Nativa 9, no. 4 (2021): 344–51. http://dx.doi.org/10.31413/nativa.v9i4.12094.

Full text

Abstract:

Um drone e seus complementos de voo são denominados Sistema de Aeronave Remotamente Pilotada (RPAS - Remotely Piloted Aircraft System), sendo uma ferramenta com ampla gama de aplicações em diversas áreas. A pesquisa prospectou novas possibilidades de uso de RPAS com enfoque no diagnóstico e monitoramento de locais de reprodução de Aedes aegypti. Para isso, objetos considerados como potenciais criadouros de larvas de mosquito foram distribuídos em ambientes que permitiam maior ou menor detecção visual dos alvos (embalagens/recipientes) em quatro ambientes: solo coberto com gramínea seca, solo e

APA, Harvard, Vancouver, ISO, and other styles

29

Gao, Ying, Yangliang Liu, Quansi Wen, Hongliang Lin, and Yijian Chen. "Secure Drone Network Edge Service Architecture Guaranteed by DAG-Based Blockchain for Flying Automation under 5G." Sensors 20, no. 21 (2020): 6209. http://dx.doi.org/10.3390/s20216209.

Full text

Abstract:

With the development of the Internet of Things (IoT), the number of drones, as a consumer-level IoT device, is rapidly increasing. The existence of a large number of drones increases the risk of misoperation during manual control. Therefore, it has become an inevitable trend to realize drone flying automation. Drone flying automation mainly relies on massive drone applications and services as well as third-party service providers, which not only complicate the drone network service environment but also raise some security and privacy issues. To address these challenges, this article proposes a

APA, Harvard, Vancouver, ISO, and other styles

30

Carroll, Sabrina, Joud Satme, Shadhan Alkharusi, Nikolaos Vitzilaios, Austin Downey, and Dimitris Rizos. "Drone-Based Vibration Monitoring and Assessment of Structures." Applied Sciences 11, no. 18 (2021): 8560. http://dx.doi.org/10.3390/app11188560.

Full text

Abstract:

This paper presents a novel method of procuring and processing data for the assessment of civil structures via vibration monitoring. This includes the development of a custom sensor package designed to minimize the size/weight while being fully self-sufficient (i.e., not relying on external power). The developed package is delivered to the structure utilizing a customized Unmanned Aircraft System (UAS), otherwise known as a drone. The sensor package features an electropermanent magnet for securing it to the civil structure while a second magnet is used to secure the package to the drone during

APA, Harvard, Vancouver, ISO, and other styles

31

Adami, A., L. Fregonese, M. Gallo, J. Helder, M. Pepe, and D. Treccani. "ULTRA LIGHT UAV SYSTEMS FOR THE METRICAL DOCUMENTATION OF CULTURAL HERITAGE: APPLICATIONS FOR ARCHITECTURE AND ARCHAEOLOGY." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-2/W17 (November 29, 2019): 15–21. http://dx.doi.org/10.5194/isprs-archives-xlii-2-w17-15-2019.

Full text

Abstract:

Abstract. The Italian legislation on Remote Pilot Aircraft Systems (SAPR: Sistema Areomobile a Pilotaggio Remoto), as in 2012, regulates the use of drones in controlled and uncontrolled airspace. In 2016, the regulation introduced simplified procedures for the use of ultra-light drones. These instruments are particularly widespread in the field of Cultural Heritage survey. In fact, according to the Italian regulations currently in force it is possible to pilot a drone of less than 300 grams without the need of a flight license and without a specific training course and medical examination and

APA, Harvard, Vancouver, ISO, and other styles

32

Skowron, Michal, Witold Chmielowiec, Karolina Glowacka, Magdalena Krupa, and Adam Srebro. "Sense and avoid for small unmanned aircraft systems: Research on methods and best practices." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 233, no. 16 (2019): 6044–62. http://dx.doi.org/10.1177/0954410019867802.

Full text

Abstract:

In this study, we discuss recent advances and state-of-the-art sense-and-avoid solutions for small unmanned aircraft systems. The purpose of this paper is to equip the reader with the most up-to-date information on research and commercial efforts aimed at introducing autonomous small unmanned aircraft systems into the shared airspace. We present a broad overview of the regulatory environment, current abilities, and limitations of various sensor types as well as algorithmic and computational aspects of establishing a reliable sense-and-avoid platform. This paper reviews a substantial portion of

APA, Harvard, Vancouver, ISO, and other styles

33

Pan, Yalin, and Jun Huang. "Research on lateral-directional stability augmentation system of flying wing aircraft based on reliability model." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 233, no. 11 (2018): 4214–21. http://dx.doi.org/10.1177/0954410018817449.

Full text

Abstract:

Poor lateral-directional stability is a great risk to the design of flying wing aircraft due to the absence of vertical stabilizer. In order to improve the lateral-directional flying quality of this configuration aircraft, eigenstructure assignment technique by state feedback is adopted to design the stability augmentation system. The influence of eigenstructure on energy consumption of the control system is analyzed by citing energy consumption index in this paper. In addition, a reliability model is established to measure the reliability of the control system under uncertain factors. In orde

APA, Harvard, Vancouver, ISO, and other styles

34

Dinesh Kumar, U. "New trends in aircraft reliability and maintenance measures." Journal of Quality in Maintenance Engineering 5, no. 4 (1999): 287–95. http://dx.doi.org/10.1108/13552519910298046.

Full text

APA, Harvard, Vancouver, ISO, and other styles

35

Zhao, Wei Tao, and Da Qian Zhang. "Discussion of Reliability Analysis for Aircraft Wing Box Structural System." Advanced Materials Research 118-120 (June 2010): 236–40. http://dx.doi.org/10.4028/www.scientific.net/amr.118-120.236.

Full text

Abstract:

It is very complex problem that the reliability of aircraft wing box structural system with many random variables (such as area, thickness, material modulus, load etc.) is analyzed. In the paper, the reliability analysis method of aircraft wing box structural system is proposed based on the theory of structural reliability and stochastic finite element. The explicit expression of safe margin and the sensitivity of safe margin to each random variable are given, which improves the accuracy and efficiency of reliability calculation. The relationship of the level of failure path with structural sy

APA, Harvard, Vancouver, ISO, and other styles

36

Dietz, Dennis C. "Translating aircraft reliability and maintainability into measures of operational effectiveness." Journal of Aircraft 24, no. 8 (1987): 495–98. http://dx.doi.org/10.2514/3.45465.

Full text

APA, Harvard, Vancouver, ISO, and other styles

37

Rezaei, M., S. A. Fazelzadeh, A. Mazidi, M. I. Friswell, and H. H. Khodaparast. "Fuzzy uncertainty analysis and reliability assessment of aeroelastic aircraft wings." Aeronautical Journal 124, no. 1275 (2020): 786–811. http://dx.doi.org/10.1017/aer.2020.2.

Full text

Abstract:

ABSTRACTIn the present study, fuzzy uncertainty and reliability analysis of aeroelastic aircraft wings are investigated. The uncertain air speed and structural parameters are represented by fuzzy triangular membership functions. These uncertainties are propagated through the wing model using a fuzzy interval approach, and the uncertain flutter speed is obtained as a fuzzy variable. Further, the reliability of the wing flutter is based on the interference area in the pyramid shape defined by the fuzzy flutter speed and air speed. The ratio between the safe region volume and the total volume of

APA, Harvard, Vancouver, ISO, and other styles

38

Yezeguelian, Axel, and Askin T. Isikveren. "Methods to improve UAV performance using hybrid-electric architectures." Aircraft Engineering and Aerospace Technology 92, no. 5 (2020): 685–700. http://dx.doi.org/10.1108/aeat-11-2019-0227.

Full text

Abstract:

Purpose When comparing and contrasting different types of fixed-wing military aircraft on the basis of an energetic efficiency figure-of-merit, unmanned aerial vehicles (UAVs) dedicated to tactical medium-altitude long-endurance (MALE) operations appear to have significant potential when hybrid-electric propulsion and power systems (HEPPS) are implemented. Beginning with a baseline Eulair drone, this paper aims to examine the feasibility of retro-fitting with an Autarkic-Parallel-HEPPS architecture to enhance performance of the original single diesel engine. Design/methodology/approach In view

APA, Harvard, Vancouver, ISO, and other styles

39

Söpper, Max, Jiannan Zhang, Niclas Bähr, and Florian Holzapfel. "Required Moment Sets: Enhanced Controllability Analysis for Nonlinear Aircraft Models." Applied Sciences 11, no. 8 (2021): 3456. http://dx.doi.org/10.3390/app11083456.

Full text

Abstract:

Attainable moment sets (AMS) are a powerful method to assess aircraft controllability. However, as attainable moment sets only take into account the achievable moment set of the control effectors, they do not assess the required moment set to fulfill the aircraft mission requirements. This paper proposes to calculate a corresponding required moment set (RMS) which defines a set of moments sufficient for fulfilling aircraft controllability requirements in the mission flight envelope. The paper applies the required moment set approach to a nonlinear simulation model of an electric vertical take

APA, Harvard, Vancouver, ISO, and other styles

40

Zhu, T. L. "A reliability-based safety factor for aircraft composite structures." Computers & Structures 48, no. 4 (1993): 745–48. http://dx.doi.org/10.1016/0045-7949(93)90269-j.

Full text

APA, Harvard, Vancouver, ISO, and other styles

41

Knezevic, Aleksandar, Ljubisa Vasov, Slavisa Vlacic, and Cedomir Kostic. "Imperfect maintenance model for estimating aircraft fleet availability." Aircraft Engineering and Aerospace Technology 89, no. 2 (2017): 338–46. http://dx.doi.org/10.1108/aeat-10-2015-0221.

Full text

Abstract:

Purpose The purpose of this paper is to define conditions under which improved availability of fleet of G-4 jet trainers is obtained, and optimization of intermediate-level maintenance through imperfect maintenance model application. This research has been conducted based on available knowledge, and experience gained by performing intermediate-level maintenance of Serbian Air Force aircrafts. Design/methodology/approach Analysis of the data collected from daily maintenance reports, and the analysis of maintenance technology and organization, was performed. Based on research results, a reliabil

APA, Harvard, Vancouver, ISO, and other styles

42

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.

Full text

Abstract:

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

APA, Harvard, Vancouver, ISO, and other styles

43

Brooker, Peter. "Introducing Unmanned Aircraft Systems into a High Reliability ATC System." Journal of Navigation 66, no. 5 (2013): 719–35. http://dx.doi.org/10.1017/s0373463313000337.

Full text

Abstract:

Civil and military unmanned aircraft systems (UAS) operations are currently subject to restrictions that put major limits on their use of airspace. There is considerable debate about how to develop the safe, secure and efficient integration of UAS into non-segregated airspace and aerodromes. This paper examines a necessary safety aspect. Airlines and their passengers would obviously ask, “Is it still safe with all these unmanned aircraft around?” The spotlight must be on Air Traffic Control Systems as High Reliability Organizations (HRO). That status comes from industry characteristics: focus

APA, Harvard, Vancouver, ISO, and other styles

44

Hamel, Héloïse, Sébastien Lhoumeau, Magnus Wahlberg, and Jamileh Javidpour. "Using Drones to Measure Jellyfish Density in Shallow Estuaries." Journal of Marine Science and Engineering 9, no. 6 (2021): 659. http://dx.doi.org/10.3390/jmse9060659.

Full text

Abstract:

Understanding jellyfish ecology and roles in coastal ecosystems is challenging due to their patchy distribution. While standard net sampling or manned aircraft surveys are inefficient, Unmanned Aerial Vehicles (UAVs) or drones represent a promising alternative for data collection. In this technical report, we used pictures taken from a small drone to estimate the density of Aurelia sp. in a shallow fjord with a narrow entrance, where the population dynamic is well-known. We investigated the ability of an image processing software to count small and translucent jellyfish from the drone pictures

APA, Harvard, Vancouver, ISO, and other styles

45

Ma, J., and F. Duan. "Application of GO methodology in reliability analysis of aircraft flap hydraulic system." Aeronautical Journal 124, no. 1272 (2019): 257–70. http://dx.doi.org/10.1017/aer.2019.152.

Full text

Abstract:

ABSTRACTThe Goal-Oriented methodology (GO methodology) is an effective method for the reliability analysis of complex systems. It is especially suitable for the reliability analysis of multi-state complex systems containing the actual logistics, such as current, airflow and liquid flow. In order to solve the limitation that the GO methodology is not suitable for the reliability analysis of the system with feedback loop, the Boolean algebra idea is introduced to construct the Boolean operation formula of the feedback loop. In this paper, a certain type of civil aircraft flap hydraulic system wi

APA, Harvard, Vancouver, ISO, and other styles

46

Jenab, K., and K. Rashidi. "Operational reliability assessment of an aircraft environmental control system." Reliability Engineering & System Safety 94, no. 2 (2009): 456–62. http://dx.doi.org/10.1016/j.ress.2008.05.003.

Full text

APA, Harvard, Vancouver, ISO, and other styles

47

Woch, Marta, Marcin Kurdelski, and Marek Matyjewski. "Reliability at the checkpoints of an aircraft supporting structure." Eksploatacja i Niezawodnosc - Maintenance and Reliability 17, no. 3 (2015): 457–62. http://dx.doi.org/10.17531/ein.2015.3.18.

Full text

APA, Harvard, Vancouver, ISO, and other styles

48

VOICU, Marius-Alexandru, and Ion FUIOREA. "Mean corrective maintenance time for a medium courier turboprop aircraft." INCAS BULLETIN 13, no. 1 (2021): 237–43. http://dx.doi.org/10.13111/2066-8201.2021.13.1.24.

Full text

Abstract:

Logistics can be seen as the compound of all the considerations needed to ensure the efficient and economical support of a system throughout its life cycle. The unscheduled actions, performed as a result of a failure or a perceived failure, that are necessary to restore a system to its required level of performance is corrective maintenance. Such activities may include troubleshooting, disassembly to gain access to the faulty item, repair, remove and replace, reassembly, alignment and adjustment and checkout. The frequency of maintenance for a given item is highly dependent on the reliability

APA, Harvard, Vancouver, ISO, and other styles

49

Melis, Matthew E., Erwin V. Zaretsky, and Richard August. "Probabilistic Analysis of Aircraft Gas Turbine Disk Life and Reliability." Journal of Propulsion and Power 15, no. 5 (1999): 658–66. http://dx.doi.org/10.2514/2.5490.

Full text

APA, Harvard, Vancouver, ISO, and other styles

50

He, Y., C. Li, T. Zhang, et al. "Service fatigue life and service calendar life limits of aircraft structure: aircraft structural life envelope." Aeronautical Journal 120, no. 1233 (2016): 1746–62. http://dx.doi.org/10.1017/aer.2016.93.

Full text

Abstract:

ABSTRACTThe service life of aircraft structure includes the fatigue life and calendar life. The Aircraft Structural Life Envelop (ASLE) is a safe and reliable life scope of aircraft structures in service. The specific steps to establish the ASLE are developed, and a residual life prediction method for aircraft structure under service environments is established by combining the ASLE with the Miner theory. Furthermore, a service life extension method of aircraft structure is proposed based on a scope extension of the ASLE, including methods based on reliability analysis and structural repair. F

APA, Harvard, Vancouver, ISO, and other styles

We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!