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Search results for: FJORD SYSTEM
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Modelling of the Svalbard fjord Hornsund
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Wind wave variability in Hornsund fjord, west Spitsbergen
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CYBERNETICS AND SYSTEMS
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Heavy Metals in a High Arctic Fiord and Their Introduction with the Wastewater: A Case Study of Adventfjorden-Longyearbyen System, Svalbard
PublicationLongyearbyen is the largest settlement on Svalbard archipelago, with 2400 permanent residents and approximately 150,000 tourists visiting every year. The city annually releases approximately 285,000 m3 of untreated wastewater to the nearby Adventfjorden. To date, the environmental impact of this continuous input has been studied mainly regarding the sediments and benthic fauna in the fiord. Here, we present results from a study...
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Bożena Kostek prof. dr hab. inż.
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A system automating repairs of IT systems
PublicationThis paper presents two problems that are important nowadays: the problem of IT systems monitoring and the problem of repairing them. It shows the developed solution, aimed to automate the existing industrial repair process and to integrate it with the existing monitoring solutions and mechanisms. Described solution is a part of a bigger whole, called the Repair Management Framework (RMF). This paper presents also briefly a case...
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Abundance and biomass of bacteria in two Arctic glacial fjords
PublicationTotal numbers and biomass of bacterioplankton in water in two glacial fjords off west Spitsbergen have been studied. Samples were collected from different water depth layers - from the surface to 80-90 m. Total bacterial number (TBN), biomass and morphological structure were determined by the acridine orange direct count method. The highest values of TBN and biomass in the water column were found on stations situated adjacent...
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System translacji danych taryfikacyjnych z systemów VoIP do systemu taryfikacyjnego DGT
PublicationCoraz większy udział w rynku usług telekomunikacyjnych technologii VoIP wymusza rozwiązywanie nowych problemów. Jednym z nich jest proces taryfikacji, a następnie przetwarzanie danych z tym związanych. W niniejszej pracy przedstawiono rozwiązanie, w którym dane taryfikacyjne wygenerowane w systemie VoIP można przenieś do profesjonalnego systemu, który jest wykorzystywany w klasycznej telefonii. Następnie wykorzystując ten system...
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Zdzisław Kowalczuk prof. dr hab. inż.
PeopleZdzislaw Kowalczuk received his M.Sc. degree in 1978 and Ph.D. degree in 1986, both in Automatic Control from Technical University of Gdańsk (TUG), Gdańsk, Poland. In 1993 he received his D.Sc. degree (Dr Habilitus) in Automatic Control from Silesian Technical University, Gliwice, Poland, and the title of Professor from the President of Poland in 2003. Since 1978 he has been with Faculty of Electronics, Telecommunications and Informatics...
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Determination of selected chemical parameters in surface water samples collected from the Revelva catchment (Hornsund fjord, Svalbard)
PublicationSurface water samples (river and lake) were collected from the Revelva catchment every summer from 2010 to 2013. This study concerns importance of the use of some analytical techniques for pollutants and parameters deter- mination in Arctic environmental samples based on the example of total organic carbon, phenols, and formaldehyde determination and measurement of pH and electrical conductivity parameters. Significant...
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Spatial Differences in the Chemical Composition of Surface Water in the Hornsund Fjord Area: A Statistical Analysis with A Focus on Local Pollution Sources
PublicationSurface catchments in Svalbard are sensitive to external pollution, and yet what is frequently considered external contamination may originate from local sources and natural processes. In this work, we analyze the chemical composition of surface waters in the catchments surrounding the Polish Polar Station in Svalbard, Hornsund fjord area. We have pooled unpublished and already published data describing surface water composition...
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Impact of Volcanic Eruptions on the Occurrence of PAHs Compounds in the Aquatic Ecosystem of the Southern Part of West Spitsbergen (Hornsund Fjord, Svalbard)
PublicationThe paper presents changes in concentration levels of dioxin-like compounds that can be observed over the course of four study seasons in water samples collected from the Arctic watershed of Svalbard. The conducted analysis involved anthropogenic and natural factors that may affect the concentration of PAHs in the study samples of water. An attempt is made to indicate the emission source of the compounds being deposited and to...
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TELECOMMUNICATION SYSTEMS
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Andrzej Czyżewski prof. dr hab. inż.
PeopleProf. zw. dr hab. inż. Andrzej Czyżewski jest absolwentem Wydziału Elektroniki PG (studia magisterskie ukończył w 1982 r.). Pracę doktorską na temat związany z dźwiękiem cyfrowym obronił z wyróżnieniem na Wydziale Elektroniki PG w roku 1987. W 1992 r. przedstawił rozprawę habilitacyjną pt.: „Cyfrowe operacje na sygnałach fonicznych”. Jego kolokwium habilitacyjne zostało przyjęte jednomyślnie w czerwcu 1992 r. w Akademii Górniczo-Hutniczej...
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Comparison of hydrochemistry and organic compound transport in two non-glaciated high Arctic catchments with a permafrost regime (Bellsund Fjord, Spitsbergen)
PublicationAn increase in air temperature related to climate change results in the retreat of glaciers, the degradation of permafrost, and the expansion of glacier-free areas in the polar regions. All these processes lead to changes in the Arctic landscape. They influence the hydrochemistry of streams and rivers fed by glaciers and thawing permafrost. In this study, we examine eighty two water samples from two non-glaciated catchments with...
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Rozwój medycznego systemu komputerowego Endoscopy Recommender System
PublicationPrzedstawiono rozwój medycznego systemu komputerowego do badań endoskopowych Endoscopy Recommender System ze szczególnym zwróceniem uwagi na rozwój architektury systemu i bazy danych. Opisano wpływ ewolucji technologii i wymagań systemowych na podejście do magazynowania i zarządzania danymi pacjentów. Omówiono architekturę nowego systemu oraz metodologię wprowadzania zmian w systemie.
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Systemy dyspozytorskie nowej generacji - system trankingowy LTE
PublicationReferat dotyczy rozwiązań systemów trankingowych-dyspozytorskich opartych na infrastrukturze LTE. W pierwszej części omówiono rozwiązanie w postaci odrębnego systemu trankingowego LTE, natomiast w drugiej opisano propozycję rozwiązania systemu trankingowego w ramach ogólnie dostępnej sieci LTE. Scharakteryzowano również problem integracji takiego systemu z systemem TETRA lub DMR.
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RELIABILITY ENGINEERING & SYSTEM SAFETY
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International Journal of System of Systems Engineering
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Water chemistry of tundra lakes in the periglacial zone of the Bellsund Fiord (Svalbard) in the summer of 2013
PublicationClimate changes observed in the Arctic (e.g. permafrost degradation, glacier retreat) may have significant influence on sensitive polar wetlands. The main objectives of this paper are defining chemical features of water within six small arctic lakes located in Bellsund (Svalbard) in the area of continuous permafrost occurrence. The unique environmental conditions of the study area offer an opportunity to observe phenomena influencing...
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Piotr Grudowski dr hab. inż.
PeopleProfessor Dr hab. Eng. Piotr Grudowski heads the Department of Quality and Commodity Management at the Faculty of Management and Economics of Gdansk University of Technology. In the years 1987-2009 he worked at the Faculty of Mechanical Engineering of the Gdansk University of Technology, where he obtained a doctoral degree in technical sciences in the discipline of construction and operation of machines and he headed the Department...
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An application of multi-agent system for ship’s power systems design
PublicationDesign process of transport ship power system consists of structure (topology) and component elements selection. Compliance with the requirements for static components does not guarantee optimal dynamic characteristics of entire power system. Design steps are difficult to formalize and as a consequence to this reason expert and multi-agent systems are used for solving selected design issues. In the paper distributed multi-agent...
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System ekspertowy do planowania sieci komórkowej systemu UMTS.
PublicationW referacie przedstawiono system ekspertowy przeznaczony do wieloaspektowego planowania sieci komórkowej systemu UMTS z interfejsem radiowym WCDMA/FDD. Scharakteryzowano algorytm pracy oraz przytoczono przykłady zastosowań omawianego systemu.
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Microbiological Survey in Two Arctic Fjords: Total Bacterial Number and Biomass Comparison of Hornsund and Kongsfjorden
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Microbiological Survey in Two Arctic Fjords: Total Bacterial Number and Biomass Comparison of Hornsund and Kongsfjorden
PublicationTwo microbiological parameters: total bacterial number (TBN) and biomass (BBM) were studied in two Arctic fjords: Hornsund and Kongsfjorden. Samples were collected from three sampling points in each fjord, from various water depth layers: from the surface to 75 m depth. Total bacterial number and biomass were examined using the DAPI staining and direct count method. The greater amount of bacteria, as well as highest bacterial biomass...
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Microbiological Survey in Two Arctic Fjords: Total Bacterial Number and Biomass Comparison of Hornsund and Kongsfjorden
PublicationTwo microbiological parameters: total bacterial number (TBN) and biomass (BBM) were studied in two Arctic fjords: Hornsund and Kongsfjorden. Samples were collected from three sampling points in each fjord, from various water depth layers: from the surface to 75 m depth. Total bacterial number and biomass were examined using the DAPI staining and direct count method. The greater amount of bacteria, as well as highest bacterial biomass...
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SYSTEMS SCIENCE
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Implementation of integrated control In drinking water distribution systems - IT system proposal
PublicationImplementation of integrated control algorithms requires suitable hardware and software platforms. Proposed solution must allow realizing control and monitoring tasks, while ensuring high reliability and security of processed data. Additionally, the software and hardware solutions must be immune to outside influence. This paper presents an approach to implementation of control systems in drinking water distribution system. Presented...
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An interactive system for remote modeling and design validation of hybrid photovoltaic systems
PublicationAbstract: A multi-functional demonstrator of the interactive system is presented. The demostrator enables modeling, monitoring and design validation of hybrid photovoltaic systems assisted by fuel cells and thermoelectric generators, as well as experimentation and scientific research. A block diagram of the system is presented and the selection of its components is discussed. Availability of the system via Ethernet or GSM...
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An interactive system for remote modeling and design validation of hybrid photovoltaic systems
PublicationIn the paper a multi-functional demonstrator of the interactive system designed to modeling, monitoring and validation of hybrid photovoltaic systems assisted by fuel cells and thermoelectric generators is presented. The purpose of this paper is to report the system solution expressed in the form of a block diagram. Technical parameters of demonstrator components such as: silicon photovoltaic modules, fuel cells, thermoelectric...
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STUDIA INFORMATICA. SYSTEMS AND INFORMATION TECHNOLOGY. SYSTEMY I TECHNOLOGIE INFORMACYJNE
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Underwater noise recorded in Hornsund Fjord, Spitsbergen, at the front of the Hans Glacier
Open Research DataThe data includes underwater noise recorded in Hornsund Fjord, Spitsbergen at the front of the Hans Glacier between 05/09/2013 and 30/09/2013. A description of the data is in the article
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Elemental composition, environment of deposition of the Lower Carboniferous Emma Fiord Formation oil shale in Arctic Canada
PublicationThe sedimentary succession of 51-m consisting of a thin coal seam (1 m) and oil shale with a marlstone and carbonate-mudstone matrix of the Lower Carboniferous (Viséan) Emma Fiord Formation located on the Grinnell Peninsula, Devon Island, Arctic Canada was examined. The techniques used include reflected light microscopy, and instrumental neutron activation analysis (INAA) for elemental concentration, and inductively coupled plasma...
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Comparison of bacterial production in the water column between two Arctic fjords, Hornsund and Kongsfjorden (West Spitsbergen)
PublicationBacterial production and the accompanying environmental factors were measured in the water columns of two Arctic fjords during the cruise in July and August 2013. Water samples were collected at six stations located in the central part of Hornsund and Kongsfjorden. In Hornsund, where average water temperatures were 1.25-fold lower than in Kongsfjorden, the bacterial production was twice as high (0.116 ± 0.102 vs 0.05 ± 0.03 mg...
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Piotr Odya dr inż.
PeoplePiotr Odya was born in Gdansk in 1974. He received his M.Sc. in 1999 from the Faculty of Electronics, Telecommunications and Informatics, Gdansk University of Technology, Poland. His thesis was related to the problem of sound quality improvement in the contemporary broadcasting studio. He is interested in video editing and multichannel sound systems. The goal of Mr. Odya Ph.D. thesis concerned methods and algorithms for correcting...
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Concentrations and loads of DOC, phenols and aldehydes in a proglacial arctic river in relation to hydro-meteorological conditions. A case study from the southern margin of the Bellsund Fjord – SW Spitsbergen
PublicationClimate warming accelerates the melting and thawing of cryosphere components. Therefore, it favours the release of contaminants stored in High-Arctic glaciers for many years. The rate of land-based glacier retreat is of particular importance for the hydrological regime of glacial rivers, but also for the chemical composition of their waters. In this study, we examined 84 surface water samples collected during a period of 42 days...
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Vibrations in Physical Systems
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Container monitoring system
PublicationW pracy przedstawiono koncepcję systemu monitorowania kontenerów przewożonych drogą morską. Scharakteryzowano główne cechy oraz przedstawiono modułowo-warstwowy schemat funkcjonalny. Ponadto opisano założenia funkcjonalno-użytkowe dotyczące Inteligentnego Modułu Kontenerowego (SCM), będącego podstawowym elementem składowym systemu. Przedstawiono również główne zadania projektowe związane z realizacją projektu
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The Influence of Camera and Optical System Parameters on the Uncertainty of Object Location Measurement in Vision Systems
PublicationThe article presents the influence of the camera and its optical system on the uncertainty of object position measurement in vision systems. The aim of the article is to present the methodology for estimating the combined standard uncertainty of measuring the object position with a vision camera treated as a measuring device. The identification of factors affecting the location measurement uncertainty and the determination of their...
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Propagation Loss and Interference Analysis for 5G Systems in the Context of C-ITS System Implementation
PublicationThe article presents the concept of implementing subsequent phases of services for the C-ITS system (the Cooperative Intelligent Transport Systems), based on the European Parliament resolution of March 2018. Next, the 5G systems, in the context of their possible cooperation with C-ITS systems, were discussed. Numerical propagation analysis was performed for V2V and V2I type communication based on two different propagation models....
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Robust output prediction of differential – algebraic systems – application to drinking water distribution system
PublicationThe paper presents the recursive robust output variable prediction algorithm, applicable for systems described in the form of nonlinear algebraic-differential equations. The algorithm bases on the uncertainty interval description, the system model, and the measurements. To improve the algorithm efficiency, nonlinear system models are linearised along the nominal trajectory. The effectiveness of the algorithm is demonstrated on...
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The structure of the data flow in integrated urban traffic management systems – the case of TRISTAR system
PublicationThe purpose of the article is to offer some insight into the data flow architecture in the Tri-City’s integrated traffic management system called TRISTAR. To that end selected elements of TRISTAR are identified and described as well as the structure for collecting and exchanging data within different sub-systems. Finally, the article highlights how the TRISTAR system can be extended by adding new elements and modules.
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Ekonomična efektivnist` teplovoï pompi v sistemi opalennâ = Economical efficiency of heat pump system in heating system
PublicationW artykule opisano wynik porównawczych obliczeń kosztów ogrzewania budynku jednorodzinnego. Porównano koszty konwencjonalnego ogrzewania z kotłem olejowym jako źródłem ciepła z kosztami ogrzewania układem hybrydowym, w którym współpracują ze sobą dwa żródła ciepła: konwencjonalny kocioł olejowy i sprężarkowa pompa ciepła. Wykonano studium parametryczne kosztów ogrzewania z wykorzystaniem metody kosztów narastających.
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System Informacji Parkingowej w zintegrowanym systemie zarządzania ruchem TRISTAR
PublicationTechnologie korzystające z telematyki transportu oferują narzędzia służące wzmocnieniu systemów transportowych w miastach poprzez racjonalizację wykorzystania istniejącej infrastruktury, zwiększenie jej niezawodności oraz oddziaływanie na zmiany zachowań transportowych mieszkańców przy jednoczesnej redukcji kosztów funkcjonowania transportu. Główną przyczyną stosowania inteligentnych systemów zarządzania transportem jest konieczność...
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Modernizaciâ sistemi mikrorajonnogo teplopostačaniâ. Modernization of system of district heat supply.
PublicationOmówiono przykład kompleksowej modernizacji osiedlowego systwmu grzewczego. W jego ramach wprowadzono nowe skojarzone źródło energii elektrycznej i ciepła, wymieniono system rurociagów, zaś budynki dwu osiedli poddano konwencjonalnej termomodernizacji. W budynku jednego z osidli zastosowano układ grzejny oparty na gruntowych pompach ciepła oraz kolektorach słonecznych.
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Archives of Transport System Telematics
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Studies on the Presence and Spatial Distribution of Anthropogenic Pollution in the Glacial Basin of Scott Glacier in the Face of Climate Change (Fiord Bellsund, Spitsbergen)
PublicationThe study area covered the NW part of the Wedel Jarlsberg Land (SW part of the Svalbard Archipelago). The primary study object was the catchment of the Scott Glacier in the vicinity of the Research Station of of Maria Curie-Skłodowska University in Lublin – Calypsobyen. The Scott River catchment (of glacial hydrological regime) has an area of approximately 10 km2, 40% of which is occupied by the valley Scott Glacier in the phase...
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Preferred Benchmarking Criteria for Systematic Taxonomy of Embedded Platforms (STEP) in Human System Interaction Systems
PublicationThe rate of progress in the field of Artificial Intelligence (AI) and Machine Learning (ML) has significantly increased over the past ten years and continues to accelerate. Since then, AI has made the leap from research case studies to real production ready applications. The significance of this growth cannot be undermined as it catalyzed the very nature of computing. Conventional platforms struggle to achieve greater performance...
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Impact of Innovative Financial Products on Financial Systems: Exchange Traded Products and the Polish Financial System
PublicationExchange Traded Products (ETPs) are one of the most recent and most rapidly developing financial products. As their assets grow they have an increasing impact on financial systems in many countries, including USA, UK or Japan. Development of ETPs is linked with many opportunities and threats for the local financial systems. Their correct assessment is becoming more difficult due to the growing complexity of the available products,...
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The application of an expert system for simulation investigations in yhe aided design of ship power systems automation.
PublicationPrzedstawiono strukturę i funkcje systemu wspomagającego projektowanie automatyki systemów enegretycznych statków. Dane opisujące projektowany podsystem energetyczny są wprowadzane w trybie interaktywnym do systemu ekspertowego. Reguły określaja poprawność formalną i merytoryczną wprowadzonych danych. W przypadku braku błędów system automatycznie tworzy model symulacyjny projektowanego podsystemu enegretycznego i wywołuje program...