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Wyświetlanie 1-15 z 71
Tytuł:
Model wykorzystania systemów autonomicznych w działaniach SAR – charakterystyka działań poszukiwawczych
The model of using autonomous systems in SAR activities – characterictics of exploration activities
Autorzy:
Necel, Paulina
Powiązania:
https://bibliotekanauki.pl/articles/32776005.pdf
Data publikacji:
2020
Wydawca:
Fundacja PSC
Tematy:
autonomous system
water rescue
SAR
Opis:
The purpose of this article is to characterize the activities of the SAR service in terms of the possibility of using autonomous maritime (flying and surface) systems in its composition. The direct reference body of water is the Baltic Sea (The Polish SAR Responsibility Zone). The research problem has taken the form of a question: how autonomous maritime systems (air and surface) are able to increase the effectiveness of search and rescue operations and improve the safety of rescuers. A working hypothesis was formulated, which assumed that autonomous systems operating in the marine environment (both airborne and surface) present the potential to increase the effectiveness of SAR service operations by improving search and rescue operations (shortening their time) and increasing safety of operators (rescuers. The main research method used to solve the main problem and to verify the research hypothesis was the analysis of available domestic and foreign literature. For the purposes of the research, an interview with an employee of the SAR (Ministry of the Treasury in Władysławowo) was conducted, and the contents of scientific articles and websites were also helpful. In the first part, the article discussed the tasks, area of activity and equipment of the SAR service. Next, the author focused on the presentation and comparison of surface and air units. In the next part, a model of combining the surface and air units in terms of increasing efficiency was presented.
Źródło:
Alcumena. Pismo Interdyscyplinarne; 2020, 2(2); 65-84
2719-9851
Pojawia się w:
Alcumena. Pismo Interdyscyplinarne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Identyfikacja i analiza wybranych systemów autonomicznych w żegludze morskiej
Identification and analysis of selected autonomous systems in sea shipping
Autorzy:
Sokołowski, Wojciech
Powiązania:
https://bibliotekanauki.pl/articles/1385207.pdf
Data publikacji:
2019
Wydawca:
Polskie Wydawnictwo Ekonomiczne
Tematy:
system autonomiczny
żegluga autonomiczna
projekt
koncepcja
autonomous system
autonomous shipping
concept
Opis:
W niniejszym opracowaniu podjęto próbę identyfikacji i analizy obecnych koncepcji/projektów w zakresie prac rozwojowych nad platformami autonomicznymi wykorzystywanymi w zastosowaniach komercyjnych. W ramach dokonanej analizy scharakteryzowano wybrane systemy autonomiczne oraz określono stopień ich zaawansowania.
The intention of this study is to identify and analyze current concepts / projects in the field of development of autonomous platforms used in commercial applications. Selected autonomous systems were characterized and the degree of their advancement was assessed, framed by analysis performed.
Źródło:
Gospodarka Materiałowa i Logistyka; 2019, 5; 664-678
1231-2037
Pojawia się w:
Gospodarka Materiałowa i Logistyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Anatomia funkcjonalna ośrodkowego układu nerwowego, cz. 2
Autorzy:
Walawska‑Hrycek, Anna
Krzystanek, Ewa
Powiązania:
https://bibliotekanauki.pl/articles/985920.pdf
Data publikacji:
2016
Wydawca:
Wydawnictwo Uniwersytetu Śląskiego
Tematy:
extrapyramidal system
basal ganglia
diencephalon
autonomous system
limbic system
Opis:
The subcortical structures form the middle part of the central nervous system. They create systems which are some kind of basis for performing intentional tasks with the cooperation of the cortical centers. So the extrapyramidal system provides the fluid motion by the unconscious influence on the muscle tone distribution. However, the cooperation with the pyramidal system and the cerebellum is necessary for the performance of intentional tasks. The limbic system is formed by the grey matter structures which are engaged in the control of memory and learning processes. The major transmission station for the sensory information creates the thalamus which is connected with the extrapyramidal and limbic system. The organism adaptation to the changeable external conditions is provided by the hypothalamus involving many chemoreceptors of grey matter nuclei. It supplies internal balance and the equilibrium of body fluids, making use of the antagonism of the centers located there.Key words: extrapyramidal system, basal ganglia, diencephalon, autonomous system, limbic system
Źródło:
Logopedia Silesiana; 2016, 5; 73-88
2300-5246
2391-4297
Pojawia się w:
Logopedia Silesiana
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Design of an autonomous transport system for coastal areas
Autorzy:
Łebkowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/116973.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
autonomous vehicles
coastal area
autonomous transport system
anmanned units
ghost ships
autonomous electric powered vessels
electric propulsion system
autonomous system operation
Opis:
The article presents a project of an autonomous transport system that can be deployed in coastal waters, bays or between islands. Presented solutions and development trends in the transport of autonomous and unmanned units (ghost ships) are presented. The structure of the control system of autonomous units is discussed together with the presentation of applied solutions in the field of artificial intelligence. The paper presents the concept of a transport system consisting of autonomous electric powered vessels designed to carry passengers, bikes, mopeds, motorcycles or passenger cars. The transport task is to be implemented in an optimal way, that is, most economically and at the same time as safe as possible. For this reason, the structure of the electric propulsion system that can be found on such units is shown. The results of simulation studies of autonomous system operation using simulator of marine navigational environment are presented.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2018, 12, 1; 117-124
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hybrid Daytime Lighting System with Photovoltaics and Short-term Storage
Autorzy:
Marańda, W.
Piotrowicz, M.
Powiązania:
https://bibliotekanauki.pl/articles/398037.pdf
Data publikacji:
2012
Wydawca:
Politechnika Łódzka. Wydział Mikroelektroniki i Informatyki
Tematy:
fotowoltaika
system autonomiczny
superkondensator
photovoltaics
autonomous system
lighting
supercapacitor
Opis:
Most efficient utilization of electrical energy takes place when energy is consumed locally, avoiding its distribution over long distances or costly storage technologies. Finding such applications for renewable energy sources, like wind or solar, is difficult. The main obstacle is the their limited predictability and the mismatch between energy availability and demand. Nowadays the daytime lighting in modern urban architecture causes a considerable electricity consumption. For such applications, there exists an excellent match between energy availability (solar irradiance) and consumption demand (interior illumination). Moreover, the demand can be met with relatively small PV-generators with modern energy efficient lighting technology. In this paper a hybrid lighting system for daytime, using both natural and artificial light, has been proposed. The supply for artificial lighting is provided from photovoltaic (PV) system or the utility grid, when solar irradiance cannot meet the illumination and electricity demand. The paper presents the results of simulation of full year energy savings in a daytime lighting system. The system maintains the indoor illumination level to be equal or higher than required by the norms, using natural sunlight and artificial lighting. The artificial lighting is used only to compensate the deficiencies of sunlight and is powered with autonomous PV-system in the climatic conditions of Central Europe. The PV-system is also equipped with short-term energy storage, based on super capacitor, allowing for only several minute of backup supply. Such storage is used only to mitigate the rapid solar power fluctuations, providing energy from PV supply at more stable power level during the day, but the excess of energy is not fed to the utility grid. The numerical simulation is using the solar irradiance data collected with 5 s time resolution during the whole year 2010 at Lodz University of Technology, in center of Poland.
Źródło:
International Journal of Microelectronics and Computer Science; 2012, 3, 1; 15-20
2080-8755
2353-9607
Pojawia się w:
International Journal of Microelectronics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Network resilience analysis: review of concepts and a country level. Case study
Autorzy:
Kamola, M.
Arabas, P.
Powiązania:
https://bibliotekanauki.pl/articles/305270.pdf
Data publikacji:
2014
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
network resilience
valley-free path
autonomous system geolocation
Opis:
This paper presents the rationale behind performing an analysis of Internet resilience in the sense of maintaining a connection of autonomous systems in the presence of failures or attacks — on a level of a single country. Next, the graph of a network is constructed that represents interconnections between autonomous systems. The connectivity of the graph is examined for cases of link or node failure. Resilience metrics are proposed, focusing on a single autonomous system or on overall network reliability. The process of geographic location of networking infrastructure is presented, leading to an analysis of network resilience in the case of a joint failure of neighboring autonomous systems.
Źródło:
Computer Science; 2014, 15 (3); 311-327
1508-2806
2300-7036
Pojawia się w:
Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An autonomous microcontroller system for controlling a multi-channel time counter
Autorzy:
Sondej, D.
Sawicki, M.
Szplet, R.
Powiązania:
https://bibliotekanauki.pl/articles/114671.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
microcontroller
time counter
autonomous system
time-to-digital converter
Opis:
The paper presents the design of a microprocessor system intended for control, data processing and communication in a multi-channel time counter. The time counter is a relatively complex autonomous instrument designed for measurements of time with picosecond precision and frequency within a range of 3.5 GHz. The device employs a high-speed, single-chip microcontroller with event-driven programming without the mediation of an operating system. The autonomous operation of the measurement system with real-time controlling and data processing was achieved. The paper focuses on the hardware design and the software development model which enables collision-free and concurrent work of many components. The device uses advanced mechanisms available in STM32 series microcontrollers, allowing the efficient support for USB and Ethernet interfaces. The microprocessor system works at a relatively low frequency, which minimizes emission of interference and allows measuring time intervals with a high precision.
Źródło:
Measurement Automation Monitoring; 2015, 61, 7; 305-307
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cybernetyczna analiza zjawiska życia
Cybernetic analysis of the phenomenon of life
Autorzy:
Bielecki, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/691034.pdf
Data publikacji:
2016
Wydawca:
Copernicus Center Press
Tematy:
definition of life
life phenomenon
autonomous system
information metabolism
aliwon
Opis:
In this paper the life phenomenon is analysed from cybernetic point of view. The Korzeniewski’s approach is discussed and complemented. The analysis is based on autonomous systems theory and information metabolism theory. Philosophical aspects of the problem are taken into consideration as well.
Źródło:
Zagadnienia Filozoficzne w Nauce; 2016, 61; 133-164
0867-8286
2451-0602
Pojawia się w:
Zagadnienia Filozoficzne w Nauce
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelowanie systemów autonomicznych i optymalizacja ich sposobów na przetrwanie
Modeling of Autonomous Systems and Optimization of Their Survival Strategies
Autorzy:
Węgrzyn, Maciej
Powiązania:
https://bibliotekanauki.pl/articles/553216.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Zielonogórski. Instytut Filozofii
Tematy:
system autonomiczny
modelowanie
optymalizacja
strategia zapewniająca przetrwanie
autonomous system
model-building
optimization
survival strategy
Opis:
Rozważa się problemy systemowe: najmniejszej „czarnej skrzynki” oraz najmniejszego systemu autonomicznego w sensie Mariana Mazura. Przedstawia się pewne konsekwencje biologiczne. Przy użyciu uogólnienia Mazurowskiego pojęcia autonomu rozważa się proste ilościowe aspekty łączenia i optymalizacji działania takich układów. Następnie przedstawia się podstawowe strategie energetyczne organizmów żywych, zapobiegające degeneracji ich materii: rozbudowę, transformację struktury oraz odrzucanie zużytego tworzywa.
The problems of: a minimal „black box” and a minimal autonomous system (a concept proposed by Marian Mazur) are considered. Some biological implications are considered, too. A generalization of the autonomous system is used to present simple quantitative aspects of joining and optimization of functioning of such systems. Basic energetic strategies employed by organisms to prevent degeneration of their bodies are listed: extension, transformation of structure, rejecting worn out body parts.
Źródło:
Filozoficzne Aspekty Genezy; 2013, 10; 203-239
2299-0356
Pojawia się w:
Filozoficzne Aspekty Genezy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Decentralized multi-agent formation control with pole-region placement via cone-complementarity linearization
Autorzy:
González, Antonio
Sala, Antonio
Armesto, Leopoldo
Powiązania:
https://bibliotekanauki.pl/articles/2172117.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
multiagent autonomous system
formation control
linear matrix inequalities
cone complementarity linearization
system wieloagentowy
sterowanie formacją
liniowe nierówności macierzowe
Opis:
An output-feedback decentralised formation control strategy is pursued under pole-region constraints, assuming that the agents have access to relative position measurements with respect to a set of neighbors in a graph describing the sensing topology. No communication between the agents is assumed; however, a shared one-way communication channel with a pilot is needed for steering tasks. Each agent has a separate copy of the same controller. A virtual structure approach is presented for the formation steering as a whole; actual formation control is established via cone-complementarity linearization algorithms for the appropriate matrix inequalities. In contrast to other research where only stable consensus is pursued, the proposed method allows us to specify settling-time, damping and bandwidth limitations via pole regions. In addition, a full methodology for the decoupled handling of steering and formation control is provided. Simulation results in the example section illustrate the approach.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2022, 32, 3; 415--428
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Verification of a deterministic ships safe trajectory planning algorithm from different ships’ perspectives and with changing strategies of target ships
Autorzy:
Lazarowska, A.
Powiązania:
https://bibliotekanauki.pl/articles/2063957.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
safe ship's trajectory
ship's trajectory
collision avoidance module
autonomous navigation system
maritime autonomous surface ships
Opis:
The paper presents results of a ship's safe trajectory planning method verification - the Trajectory Base Algorithm, which is a deterministic approach for real-time path-planning with collision avoidance. The paper presents results of the algorithm’s verification from different ships’ perspectives and with changing strategies of target ships. Results prove the applicability of the algorithm in the Collision Avoidance Module of the Autonomous Navigation System for Maritime Autonomous Surface Ships.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 3; 623--628
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Possibilities of autonomous means of sea transport
Autorzy:
Marek, Idzior
Powiązania:
https://bibliotekanauki.pl/articles/24202517.pdf
Data publikacji:
2022
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
means of transport
autonomy
ships
fully autonomous ships
autonomous navigation system
sailing without a crew
Opis:
In recent years, there has been an intensification of work on the autonomy of means of transport, which also applies to ships. Modern ships are already equipped with crew decision support systems and numerous diagnostic systems. Increasingly more systems are installed on ships that can operate without human integration. This situation leads to the development and use of fully autonomous ships. This overview publication briefly describes the main features of the construction and operation of autonomous ships, including some examples of structures already demonstrated in recent years. In summary, the author presents comments that provide a contribution to the discussion on the autonomy of means of maritime transport.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2022, 70 (142); 20--26
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Automatyczna stacja wykrywania zanieczyszczeń ropopochodnych w zbiornikach wodnych
Automatic station for oil spill detection
Autorzy:
Zaraska, K.
Cież, M.
Grzesiak, W.
Kozioł, S.
Wiejak, J.
Molenda, J.
Powiązania:
https://bibliotekanauki.pl/articles/257226.pdf
Data publikacji:
2007
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Technologii Eksploatacji - Państwowy Instytut Badawczy
Tematy:
zanieczyszczenie ropopochodne
wykrywanie
fotowoltaika
autonomiczny system zasilania
oil spill pollution
detection
photovoltaic
autonomous supply system
Opis:
Artykuł przedstawia zagadnienia badawcze, które należało podjąć, aby zrealizować prototyp autonomicznej stacji, będącej elementem systemu wykrywania skażeń wody produktami ropopochodnymi. Stacja ma postać pływającej platformy i przeznaczona jest do stosowania na akwenach lądowych (rzeki, jeziora). Podstawowym wymogiem konstrukcyjnym jest autonomiczność oraz bezobsługowość urządzenia. Omówiono zastosowane rozwiązania konstrukcyjne w aspekcie konstrukcji mechanicznej, systemu zasilania oraz metody wykrywania zanieczyszczeń ropopochodnych.
This paper describes a research problem which should be undertaken to create a prototype structure and practical implementation of an autonomous floating station destined for an automatic oil spill detection system. The device has the form of a floating platform, applicable for use on inland waters (lakes, rivers). The main requirement for such a device is that it should be autonomous and not require maintenance. The paper describes in detail the solutions applied, in particular with respect to the mechanical construction, photovoltaic power supply system and method of oil spill detection.
Źródło:
Problemy Eksploatacji; 2007, 2; 191-198
1232-9312
Pojawia się w:
Problemy Eksploatacji
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A COLREGs-compliant decision support tool to prevent collisions at sea
Autorzy:
Martelli, M.
Žuškin, S.
Zaccone, R.
Rudan, I.
Powiązania:
https://bibliotekanauki.pl/articles/24201449.pdf
Data publikacji:
2023
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
analysis of ship collision
collision avoidance
collision avoidance decision making
collision avoidance system
anti-collision maneuvering
autonomous control unit
autonomous ship
autonomous navigation system
Opis:
Groundings and collisions still represent the highest percentage of marine accidents despite the current attention on Maritime Education and Training and the improvement of sensor capability. Most of the time, a collision is caused by a human error with consequences ranging from moderate to severe, with a substantial impact on both environment and life safeguarded at sea. In this paper, a brief statistical data regarding human element as a root cause of marine incidents together with collision regulations misunderstanding is presented as a background chapter. Furthermore, the present work discusses a decision support system architecture to suggest an appropriate action when the risk of a potential collision is detected. The proposed architecture system is based on various modules integrated with proper sensor input data regarding the surrounding navigation area. As a result, the tool can support the Officers of Watch in the decision-making process providing an early suggestion in compliance with the COLlision REGulations. The proposed system is intended to be used onboard independently from the degree of automation of the ship, and it is based on AIS, which is mandatory, making it widely applicable. The proper use of the system can considerably reduce the number of collisions, as demonstrated by the obtained results.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2023, 17, 2; 347--353
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Interference between land and sea logistics systems. Multifunctional building system design towards autonomous integrated transport infrastructure
Autorzy:
Gerigk, M.
Powiązania:
https://bibliotekanauki.pl/articles/2211599.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
comprehensivelogistics framework
autonomous integrated transport infrastructure
transport infrastructure
land logistic system
sea logistic system
multifunctional building system design
logistic supply chain
autonomous transport system
Opis:
The research is focused on developing design theory towards efficient multifunctional facilities for logistics supply chains in the contemporary urban city structures. The development of modern systems based on autonomous transport creates new conditions for their management and generates an emerging need to define dedicated functional service structures. An important element of consideration also taken into account is the scenario for large-size unmanned facilities operation in the multifunctional port facility and its connections to power supply from renewable energy sources. Despite the high degree of complexity, modern transport solutions should be focused on optimizing the distribution time and trans-shipment time within the intermodal supply chain as well as provide ecological logistic solutions. Due to the large number of system components, the study presents a simplified database structure allowing for a comprehensive technological overview within the entire system.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 3; 439--446
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
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