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Wyświetlanie 1-15 z 103
Tytuł:
Military Use of Unmanned Aerial Vehicles – A Historical Study
Autorzy:
Kozera, Cyprian Aleksander
Powiązania:
https://bibliotekanauki.pl/articles/466176.pdf
Data publikacji:
2018-06-30
Wydawca:
Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
Tematy:
Unmanned Combat Aerial Vehicles
UCAV
Unmanned Aerial Vehicles
UAV
Drones
Opis:
The following study is devoted to the phenomenon of unmanned aerial vehicles used throughout known history on the battlefield or for military purposes. The purpose of the following text is to familiarise the reader with an overview with the contemporary and historical employment of the unmanned vehicles on the battlefield. The study also aims to show that the concept of unmanned combat vehicles, also unmanned aerial combat vehicles, is far more ancient than is it is widely known. The article is based on theoretical research methods, mostly multinational academic literature. The author starts with an introduction on the role of limiting soldiers’ fatalities and the concept of removing military men from the battleground. Then, the author presents known examples of using unmanned ships in battles from Thucydides’ times to the invention of the Hell-burner of Antwerp. Further, the case of first unmanned combat aerial vehicle is presented, the bombing balloons from the nineteenth century, followed by a more contemporary study of the military use of unmanned aircrafts. The article is concluded with an analysis of the present employment of drones when they tend to substitute manned aircrafts on various occasions, especially when a mission is deemed “dull, dirty or dangerous”.
Źródło:
Safety & Defense; 2018, 4(1), 1; 17-21
2450-551X
Pojawia się w:
Safety & Defense
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Introduction to Reliability Tests of Unmanned Aircraft Used in the Armed Forces of the Republic of Poland
Autorzy:
Michalska, Anna
Powiązania:
https://bibliotekanauki.pl/articles/466164.pdf
Data publikacji:
2019
Wydawca:
Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
Tematy:
reliability
safety
unmanned aerial vehicles
Opis:
The paper is a theoretical introduction to the reliability tests of unmanned aerial vehicles used in the Polish armed forces. The purpose of the article is to determine the type/model of the unmanned aircraft in the service in the Polish Armed Forces, which results from the conducted reliability tests will be the basis for generalizing them to the largest group for the subsequent research. In order to achieve the assumed goal, the author, first, reviewed the terms and definitions describing the subject of the study. The trends occurring in the description of the examined subject-matter were recognized. Then, the typologies and classifications of unmanned aerial vehicles were analyzed on the basis of Polish and international sources, as well as normative documents. The last part of the paper comprises of a comparison of tactical and technical data of unmanned aerial vehicles used by the Polish Armed Forces.
Źródło:
Safety & Defense; 2019, 5, 2; 54-61
2450-551X
Pojawia się w:
Safety & Defense
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Aerial detection of contamination with the use of unmanned vehicles – development prospects
Autorzy:
Harmata, W.
Witczak, M.
Pietrzak, G.
Powiązania:
https://bibliotekanauki.pl/articles/30147312.pdf
Data publikacji:
2018
Wydawca:
Akademia Wojsk Lądowych imienia generała Tadeusza Kościuszki
Tematy:
contamination detection
unmanned aerial vehicles
Opis:
Currently, the territory of the Republic of Poland faces a growing threat of contamination with its sources in catastrophes and technical failures in industrial plants (including nuclear power plants) and uncontrolled release of high-toxic chemicals during transport and, which cannot be excluded, terrorism. The increased level of threat resulting from, among others, those factors caused that the National Contamination Detection and Alerting Systems (KSWiA) with the Contamination Detection System of the Polish Armed Forces as the system coordinator was established in the Republic of Poland in 2006. This paper presents the outline of the aerial system of contamination detection, mainly its technical elements, based on the Unmanned Aerial Vehicle (UAV) carrying on board basic and special-purpose equipment. The elementary way of operating the system while performing tasks as well as requirements for its maintenance and handling have been proposed. Introduction of UAV systems would greatly increase the effectiveness of the Contamination Detection System of the Polish Armed Forces, but also other civilian functional subsystems of KSWSiA. There are many advantages to using them, such as no need to expose personnel to contamination and an enemy impact, high mobility, maneuverability and the capability to operate under difficult terrain conditions.
Źródło:
Scientific Journal of the Military University of Land Forces; 2018, 50, 1(187); 5-24
2544-7122
2545-0719
Pojawia się w:
Scientific Journal of the Military University of Land Forces
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Possibilities of the armed forces of the Republic of Poland using unmanned aircraft systems
Autorzy:
Kompała, Dariusz
Powiązania:
https://bibliotekanauki.pl/articles/576263.pdf
Data publikacji:
2014-09-30
Wydawca:
Akademia Sztuki Wojennej
Tematy:
aviation
unmanned aerial vehicles
unmanned aircraft systems
Opis:
The use of unmanned aircraft systems by the armed forces is currently an area of interest to many foreign and domestic experts, mainly due to the characteristics and properties of these systems. Amorphous battlefields, as well as dynamism, where efforts force the need for combat measures which are capable of carrying out the highest risk missions, are limiting the risk of losing personnel in manned aircraft. Due to the fact that the Armed Forces of the Republic of Poland are involved in several operations outside the country, and the fact that a modern and strong army must also consist of modern armed forces, there seems to be a desire to acquire the latest technological achievements – unmanned aircraft systems. This publication discusses the possibility of the Armed Forces of the Republic of Poland. using unmanned aircraft systems.
Źródło:
Security and Defence Quarterly; 2014, 4, 3; 120-135
2300-8741
2544-994X
Pojawia się w:
Security and Defence Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rola bezzałogowych statków powietrznych w zarządzaniu kryzysowym
The role of unmanned aerial vehicles in crisis management
Autorzy:
Kaliciak, Grzegorz
Powiązania:
https://bibliotekanauki.pl/articles/1932642.pdf
Data publikacji:
2020-12-30
Wydawca:
Państwowa Wyższa Szkoła Zawodowa w Chełmie
Tematy:
Unmanned Aerial Vehicles
crisis management
airspace
Opis:
Unmanned aerial vehicles play a very important role in crisis tasks. Today's threats must be eliminated and fought as quickly as possible. Thanks to the use of unmanned aerial vehicles in crisis situations, it is possible to assess the situation faster and eliminate any threat. The article presents the characteristics and tasks of unmanned aerial vehicles.
Źródło:
Scientific Bulletin of Chełm - Section of Pedagogy; 2020, 1; 239-248
2084-6770
Pojawia się w:
Scientific Bulletin of Chełm - Section of Pedagogy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The future development of unmanned air vehicles
Autorzy:
Andrzejewski-Popow, Ł.
Kotas, T.
Powiązania:
https://bibliotekanauki.pl/articles/247829.pdf
Data publikacji:
2015
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
autonomy
manned
unmanned
unmanned aerial systems
unmanned aerial vehicles
Opis:
This article introduces the synthetic material for future Unmanned Aerial Systems (UAS). The issues raised in it mainly concern the autonomy of these systems, applied design, propulsion systems, equipment and development trends in the UAS market. In addition, it presents global trends regarding methods of use, application and use of Unmanned Aerial Systems. Observing the growing realm of UAV in military actions it is expected to be the development of autonomous platforms implementing transport and combat missions. Increasingly used UAV platforms in military action jointly with manned platforms (mix formation) and in mixed formations of unmanned (UAV swarms differently equipped). Usage of unmanned aircraft in the civil sphere is very extensive and includes rescue operations – coordination and support, research – geodetic and cartographic, environmental protection, agriculture – monitoring of farmlands, natural resources, system warning of natural disasters; monitoring traffic – map navigation system; taking pictures and videos; data transfer.
Źródło:
Journal of KONES; 2015, 22, 4; 15-20
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Unmanned Aerial Vehicles ‘in service’ of Internal Security of the State
Autorzy:
Włodarczyk, Renata
Powiązania:
https://bibliotekanauki.pl/articles/1375118.pdf
Data publikacji:
2020
Wydawca:
Wyższa Szkoła Policji w Szczytnie
Tematy:
unmanned aerial vehicles
drones
internal security
services
Opis:
The study was created thanks to the author’s preferences to learn increasingly more about new technologies that are able to increase the potential of internal security of the state. Recently, interest in recording areas (difficult to access, dangerous, monitored in adverse weather conditions, monitored due to the implementation of tasks by relevant services), the development of methods enabling the transmission of various materials at a distance, and performing other complicated activities have increased. For this purpose, unmanned aerial vehicles (so-called drones, UAVs) that are versatile in many respects are used. The author noticed the need to disseminate such innovative devices on native soil, especially for using them in multidirectional strengthening of the security sphere. Polish companies producing UAVs for many foreign customers have already marked their presence in this matter. The achievements of the designers are so impressive that it makes us appreciate the development of our technical thought, and above all, the use of drones to ensure security and public order in Poland. A series of training courses is already conducted by the Police Academy in Szczytno, which is a good solution both for teachers and, above all, for the trainees themselves. Such an initiative will undoubtedly translate into increased interest in drones, and especially the incredible usefulness of these devices for uniformed services and other entities.
Źródło:
Internal Security; 2020, 12(1); 195-210
2080-5268
Pojawia się w:
Internal Security
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przenośny System do Przechwytywania Miniaturowych Bezzałogowych Statków Powietrznych (PSP-MBSP)
Man-Portable Counter Miniature Unmanned Aerial Vehicle System (MPC-MUAVS)
Autorzy:
Leśnik, G.
Powiązania:
https://bibliotekanauki.pl/articles/403636.pdf
Data publikacji:
2018
Wydawca:
Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
Tematy:
bezzałogowe statki powietrzne
drony
przechwytywanie bezzałogowych statków powietrznych
Unmanned Aerial Vehicles
drones
capturing of the Unmanned Aerial Vehicles
Opis:
W pracy przedstawiono zakres i stan obecny realizowanego w Instytucie Techniki Uzbrojenia (ITU) Wydziału Mechatroniki i Lotnictwa (WML) Wojskowej Akademii Technicznej (WAT) projektu DOB-1P/02/18/2016, finansowanego przez Narodowe Centrum Badań i Rozwoju (NCBR). W ramach projektu powstaje Przenośny System do Przechwytywania Miniaturowych Bezzałogowych Statków Powietrznych (PSP-MBSP). System ten jest odpowiedzią na już występujące i stale zwiększające się zagrożenie, spowodowane nielegalnym i nieautoryzowanym wykorzystaniem bezzałogowych statków powietrznych (BSP), zwyczajowo nazywanych dronami, w tym zwłaszcza podczas imprez masowych, zgromadzeń, wydarzeń sportowych itp. Ideą rozwijanego rozwiązania jest fizyczne przechwycenie MBSP (o rozpiętości płatów lub wirnika poniżej 25 cm) znajdującego się na wysokości kilkudziesięciu metrów poprzez wystrzelenie w jego kierunku pocisku siatkowego, który w odpowiedniej odległości od celu ulegnie rozcaleniu, spowoduje wyrzucenie i rozłożenie siatki przechwytującej oraz uchwycenie MBSP, a następnie jego kontrolowane sprowadzenie na powierzchnię ziemi. Takie rozwiązanie zapewni dużą skuteczność przy zachowaniu maksymalnego poziomu bezpieczeństwa osób i instalacji znajdujących się w rejonie operowania PSP-MBSP.
The scope and the current status of the project DOB-1P/02/18/2016 is presented in this paper. The project is carrying out at the Institute of Armament Technology of the Faculty of Mechatronics and Aerospace of the Military University of Technology and it is granted by the National Centre for Research and Development. The Man-Portable Counter Miniature Unmanned Aerial Vehicle System (MPC-MUAVS) is being developed within the project. This system is the response to already existing and constantly increasing threat caused by illegal use of Unmanned Aerial Vehicles (UAVs), usually named drones, especially during mass events, rallies, and sport events. The idea of this conception is to intercept the MUAV (the span of wings or rotor is under 25 cm) whose altitude amounts to scores of meters by launching the net projectile. After reaching the proper distance to the target, the projectile will disassemble and the net will spread and finally intercept the MUAV. Then, all key parts of the projectile and intercepted UAV will decent on the ground. This solution provide high efficiency while maintaining the maximum level of safety both the people and the infrastructure in the area of the MPC-MUAVS acting.
Źródło:
Problemy Mechatroniki : uzbrojenie, lotnictwo, inżynieria bezpieczeństwa; 2018, 9, 3 (33); 139-150
2081-5891
Pojawia się w:
Problemy Mechatroniki : uzbrojenie, lotnictwo, inżynieria bezpieczeństwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An event model of the operation process of unmanned aircraft vehicles used in the Polish Armed Forces
Autorzy:
Michalska, Anna
Powiązania:
https://bibliotekanauki.pl/articles/111043.pdf
Data publikacji:
2020
Wydawca:
Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
Tematy:
exploitation process
reliability
unmanned aerial vehicles
armed forces
Opis:
The article addresses the issue of unmanned aircraft vehicles used in the armed forces of the Republic of Poland as a technological object undergoing the exploitation process in accordance with an event-based exploitation model. The author discusses problems related to the semantics of drones, which, in conjunction with the study of technical documentation and participant observation, allowed to qualify the operating state and determine the exploitation process event model for these devices together with the permitted transitions matrix. The presented results are the basis for further research on the reliability of these systems.
Źródło:
Inżynieria Bezpieczeństwa Obiektów Antropogenicznych; 2020, 2; 1-8
2450-1859
2450-8721
Pojawia się w:
Inżynieria Bezpieczeństwa Obiektów Antropogenicznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An approach of mapping quarries in Vietnam using low-cost Unmanned Aerial Vehicles
Podejście do mapowania kamieniołomów w Wietnamie za pomocą tanich bezzałogowych statków powietrznych (dronów)
Autorzy:
Nguyen, Quoc Long
Bui, Xuan‑Nam
Cao, Xuan Cuong
Le, Van Canh
Powiązania:
https://bibliotekanauki.pl/articles/318187.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Przeróbki Kopalin
Tematy:
drony
kamieniołom
Wietnam
unmanned aerial vehicles
quarries
Vietnam
Opis:
In Vietnam, there are a huge number of quarries that are exploited and mainly provide materials to the construction sector of the country. However, most of the quarries are operating without topographic plans due to a lack of surveying activities. This paper introduces an approach of using low-cost UAVs to produce digital surface models which in turn are used to draw topographic maps of quarries in Vietnam. For assessments of accuracy, safety, and working efficiency, four quarries different in terrain conditions, namely Luong Son, Long Son, Nui Nho, and Nui Dai were selected as the study areas. Ground control points were established in each area by using GNSS/RTK for camera calibration and accuracy assessment. The accuracy of DSM was assessed using the root-mean-square error (RMSE) in X, Y, Z, XY, and XYZ components. Capturing images from each site were processed by using Agisoft®PhotoScan Professional 1.5.2. The results showed that all the DSM models of the four areas have high accuracy, RMSE on the checked GCPs ranges from 1.0 to 9.0 cm, from 1.2 to 5.0 cm, from 4.4 to 13.4 cm, from 1.6 to 10.3 cm, and from 4.9 to 16.9 cm for X, Y, Z, XY, XYZ components, respectively. We concluded that the low-cost UAV based mapping technology can guarantee the accuracy of DSMs, the safety of UAV flying, and the efficiency of surveying working simultaneously when using in quarries.
Źródło:
Inżynieria Mineralna; 2019, 21, 2/2; 249-263
1640-4920
Pojawia się w:
Inżynieria Mineralna
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of Possibilities to Use Thermal Imaging Cameras for Air Traffic Control
Autorzy:
Zalewski, J.
Milewski, S.
Zabłotny, M.
Powiązania:
https://bibliotekanauki.pl/articles/320749.pdf
Data publikacji:
2017
Wydawca:
Polskie Forum Nawigacyjne
Tematy:
thermal imaging cameras
landing systems
unmanned aerial vehicles
Opis:
The character of missions and conditions in which they are carried out by military unmanned aerial vehicles are usually special and difficult. This causes a necessity to provide support for their missions, especially with regard to checking their condition on the controlled or autonomic flight path, especially during landing and take-off operations. This paper offers an account of an experiment and an attempt of assessing usefulness of thermal imaging cameras for controlling flights of aerial vehicles, mainly in areas of airdromes and approach paths.
Charakter i warunki misji statków powietrznych w operacjach wojskowych są specyficzne i trudne. Powoduje to konieczność zabezpieczenia ich działań w aspekcie kontroli sterowanego lub autonomicznego lotu, zwłaszcza podczas startów i lądowań. Artykuł stanowi opis doświadczenia oraz próbę oceny przydatności kamer termowizyjnych do kontroli lotu statków powietrznych, szczególnie w obszarach lotnisk i torów podejściowych.
Źródło:
Annual of Navigation; 2017, 24; 193-206
1640-8632
Pojawia się w:
Annual of Navigation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ czynnika ludzkiego na bezpieczeństwo lotów bezzałogowych statków powietrznych
Autorzy:
Marzec, Dominika
Fellner, Radosław
Powiązania:
https://bibliotekanauki.pl/articles/2158507.pdf
Data publikacji:
2018
Wydawca:
Instytut Studiów Międzynarodowych i Edukacji Humanum
Tematy:
safety
unmanned aerial vehicles
UAV
human factor
aviation
Opis:
Using theories and models of human factor analysis in aviation, the problems of behavior and actions of unmanned aerial vehicles operators (UAVO) are presented, with particular emphasis on aspects of safety, situational awareness and communication. Besides to literature research, there were made the first in Poland interview surveys of operators and people involved with the industry, about human factor aspect, including threats to aviation safety related to UAV flights.
Źródło:
Społeczeństwo i Edukacja. Międzynarodowe Studia Humanistyczne; 2018, 2(29); 397-411
1898-0171
Pojawia się w:
Społeczeństwo i Edukacja. Międzynarodowe Studia Humanistyczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Propeller optimization for small unmanned aerial vehicles
Autorzy:
Kusznir, T.
Smoczek, J.
Powiązania:
https://bibliotekanauki.pl/articles/246608.pdf
Data publikacji:
2017
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
unmanned aerial vehicles
particle swarm optimization (PSO)
airfoil modelling
Opis:
Small-unmanned aerial vehicle propellers usually have a low figure of merit due to operating in the low Reynold’s number region due to their size and velocity. The airflow on the airfoil becomes increasingly laminar in this region thus increasing the profile drag and consequently reducing the figure of merit of the rotor. In the article, the airfoil geometries are parameterized using the Class/Shape function transformation. Particle swarm optimization is used to design an airfoil, operating in a Reynolds number of 100,000, which has a high lift to drag ratio. To avoid exceeding geometric constraints of the airfoil, a deterministic box constraint is added to the algorithm. The optimized airfoil is then used for a preliminary design of a rotor; given some design, constraints on the tip chord the rotor radius and the blade root chord, with parameters that achieve the highest theoretical figure of merit. The rotor parameters are obtained using a combination of momentum theory and blade element theory. The figure of merit of an optimal propeller with the same geometric parameters is then compared using the optimized airfoil and the Clark Y airfoil. The optimization is done in MATLAB while the aerodynamic coefficients are obtained from XFOIL. The results of the numerical simulation are presented in the article.
Źródło:
Journal of KONES; 2017, 24, 2; 125-132
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Flexible structure control scheme of a UAVs formation to improve the formation stability during maneuvers
Autorzy:
Kownacki, C.
Ambroziak, L.
Powiązania:
https://bibliotekanauki.pl/articles/386787.pdf
Data publikacji:
2017
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
unmanned aerial vehicles
UAVs formation
rigid formation
flexible formation
Opis:
One of the issues related to formation flights, which requires to be still discussed, is the stability of formation flight in turns, where the aerodynamic conditions can be substantially different for outer vehicles due to varying bank angles. Therefore, this paper proposes a decentralized control algorithm based on a leader as the reference point for followers, i.e. other UAVs and two flocking behaviors responsible for local position control, i.e. cohesion and repulsion. But opposite to other research in this area, the structure of the formation becomes flexible (structure is being reshaped and bent according to actual turn radius of the leader. During turns the structure is bent basing on concentred circles with different radiuses corresponding to relative locations of vehicles in the structure. Simultaneously, UAVs' airspeeds must be modified according to the length of turn radius to achieve the stability of the structure. The effectiveness of the algorithm is verified by the results of simulated flights of five UAVs.
Źródło:
Acta Mechanica et Automatica; 2017, 11, 3; 178-185
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Practical aspects of design and testing unmanned aerial vehicles
Autorzy:
Szywalski, Patryk
Waindok, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/386901.pdf
Data publikacji:
2020
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
unmanned aerial vehicles
UAV
unmanned aerial systems
UAS
navigation system
trajectory generation
Opis:
A design of an unmanned aerial vehicle (UAV) construction, intended for autonomous flights in a group, was presented in this article. The design assumptions, practical implementation and results of the experiments were given. Some of the frame parts were made using 3D printing technology. It not only reduces the costs but also allows for better fitting of the covers to the electronics, which additional-ly protects them against shocks and dirt. The most difficult task was to develop the proper navigation system. Owing to high costs of preci-sion positioning systems, common global positioning system (GPS) receivers were used. Their disadvantage is the floating position error. The original software was also described. It controls the device, allows performing autonomous flight along a pre-determined route, anal-yses all parameters of the drone and sends them in a real time to the operator. The tests of the system were carried out and presented in the article, as well.
Źródło:
Acta Mechanica et Automatica; 2020, 14, 1; 50-58
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
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