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Search results for: USV
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Measurement system based on USB Z-Wave controller
PublicationA wireless measurement system based on the Z-Wave standard is presented in this paper. The system is composed of a U SB Z-Stick Gen5 controller connected to a Personal Computer and a Fibaro controller FGRGBWM-441. Operation of the system is controlled by software written in C++ using OpenZWave library. Some metrological aspects of the system are evaluated: accuracy, linearity, resolution and frequency of voltage measurements.
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On the use of a charge balancing method for low energy measurements
PublicationThe paper presents the method for the estimation of the energy consumption of the low-power microcontroller-based devices. Due to high dynamics of the changes of the supply current of the tested devices during the operational cycle, the consumed energy estimation is not easy. In order to avoid disadvantages of known methods, the charge balancing method was employed similarly like in some types of A/D converters.
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The Creation of an Antimicrobial Coating on Contact Lenses by The Use of Nanocopper
PublicationThe aim of the research was to creation an antimicrobial coating on contact lens and examine the ability of copper nanoparticles to decrease microbial adhesion and prevent the growth of bacteria. The creation was based on the immersion method in solution with dispersed nanoparticles of copper at concentration 200 pm. There were evaluated follows factors: time of immersion and base to dispersed nanoparticles. Three solutions: ethyl...
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WP7 Applications proposed by GUT. Use Cases and Benchmarks
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The properties, functions and use of selenium compounds in living organisms
PublicationSelenium occurs in the environment in inorganic and organic compounds. For many years it was regarded as a toxic element, causing numerous illnesses and diseases. But research in the last 50 years has revealed a "bright side" to this element, especially as a component of selenoproteins, selenium makes a significant contribution to the health of humans and animals. The selenium content in an organism depends on its concentration...
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Mikroprocesorowy system sterowania sensorami z inerfejsem USB
PublicationZapotrzebowanie na detekcję gazów oraz zapachów wymaga konstruowania tanich urządzeń o coraz lepszej selektywności i czułości pomiarów. W pracy opisano taki układ pomiarowy, w którym zwiększenie selektywności oraz czułości uzyskano przez pomiar zjawisk fluktuacyjnych w rezystancyjnym czujniku gazów. Opisano sposób pomiaru, wybrany układ pomiarowy oraz projekt i realizację systemu mikroprocesorowego sterującego układem. W zakończeniu...
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Land use structure determinants for the Gdańsk Shipyard Area.
PublicationArtykuł zawiera omówienie uwarunkowań ogólnomiejskich rozwoju terenów postoczniowych w Gdańsku - obszaru tzw. Młodego Miasta. W szczególności ujęte w nim zostały kwestie odnoszące się do lokalizacji obszaru, jego potencjału rozwojowego, a także analiza szans rozwojowych nowego programu miejskiego w obszarze Aglomeracji Gdańskiej.
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Context for sustainable use of the industrial and civil engineering heritage.
PublicationDefinicja krajobrazu kulturowego z zasobami dziedzictwa przemysłu i budownictwa: wartości kulturowe. Interpretacja zasad rozwoju zrównoważonego odniesionych do ochrony tego dziedzictwa oraz przykłady.
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Education Towards The Use Of BIM On The Example Of Polish Universities
PublicationBIM (Building Information Modeling) has been one of the rapidly developing fields of digital techniques supporting the realization of construction projects in recent years. Further development, and especially the use of these techniques, depends to a large extent on the qualifications of young construction engineers who start their professional careers in this field. The article attempts to synthetically list and compare subjects,...
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Use of the AHP Method for Preference Determination in Yacht Design
PublicationA sailing yacht is a human-centred product, the design of which revolves primarily around the wants and desires of the future owner. In most cases, these preferences are not measurable, such as a personal aesthetic feeling, or a need for comfort, speed, safety etc. The aims of this paper are to demonstrate that these preferences can be classified and represented numerically, and to show that they are correlated with the type of...
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Hybrid use of the building as a method supporting epidemic safety
PublicationThe COVID-19 pandemic has resulted in changing organisational and technical requirements in the operation of treatment facilities. This paper summarises the available knowledge on the principles of hybrid design of the architecture of treatment units to ensure that different levels of sanitary and hygienic safeguards can be implemented. The basis of this narrative overview is an analysis of the existing Polish legislation on required...
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Peer assessment as a method for measuring harmful internet use
PublicationHarmful Internet use (HIU) describes unintended use of the Internet. It could be both self-harm and harming others. Our research goal is to develop a more accurate method for measuring HIU by this novel peer assessment. As such, it may become, with our call for more research, a paradigm shift supplementing every rating scale or other type of Internet use assessment. In addition to classic statistical analysis, structural equations...
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The use of machine learning for face regions detection in thermograms
PublicationThe aim of this study is to analyse the methods of detecting characteristic points of the face in thermographic images. As part of the implementation an extensive analysis of scientific publications covering similar issues both for the analysis of images made in visible light and thermographic images was carried out. On the basis of this analysis, 3 models were selected and then they were implemented and tested on the basis of...
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The Use of Vegetables in the Biomonitoring of Cadmium and Lead Pollution in the Environment
PublicationLead and cadmium emitted from various anthropogenic sources have the ability to accumulate in tissues of living organisms. The phenomenon of accumulation of metals in the body is harmful and undesirable. On the other hand, the ability of plants to accumulate heavy metals from the individual elements of the environment has been used in biomonitoring of pollution. Leaf and root of vegetables have particular predisposition for accumulating...
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The use of GIS tools for road infrastructure safety management
PublicationThere are many factors that influence accidents and their severity. They can be grouped within the system of man, vehicle and environment. The article focuses on how GIS tools can be used to manage road infrastructure safety. To ensure a better understanding and identification of road factors, GIS tools help with the acquisition of road parameter data. Their other role is helping with a clear and effective presentation of risk...
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Use of public-private partnerships for revitalization initiatives in Poland
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How can analysts use multicriteria decision analysis?
PublicationProper decision making in multifacitated situation is very challenging task. It is especially difficult if there are many alternatives and criteria that are often contradictory. Analytical chemistry and related sciences involve many situations where decisions on complex problems are made. The support tools may be the use of MCDA (Multi-criteria Decision Analysis) algorithms. They formalize the decision process, make it transparent...
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UUV and AUV Vehicles as the autonomous systems for naval applications
PublicationThere is a growing pressure to investigate how to design and build the unmanned underwater vehicles of different types which are devoted towards performing many tasks under the water surface according to the data missions. During the recent years the Department of Ship Design and Subsea Robotics, Faculty of Ocean Engineering and Ship Technology, Gdansk University of Technology designed and built a few types of unmanned underwater...
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Estimation of structural stiffness with the use of Particle Swarm Optimization
PublicationThe paper presents the theoretical background and four applications examples of the new method for the estimation of support stiffness coefficients of complex structures modelled discretely (e.g. with the use of the Finite Element Model (FEM) method based on the modified Particle Swarm Optimization (PSO) algorithm. In real-life cases, exact values of the supports’ stiffness coefficients may change for various reasons...
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The use of thermochromic liquid crystals in heat transfer research
PublicationW ostatnich latach ciekłe kryształy zostały z powodzeniem zastosowane do wizualizacji pola temperatury w stanach ustalonych i przejściowych na różnych powierzchniach. Analiza otrzymanych obrazów początkowo była skomplikowana, ale dzięki zastosowaniu obróbki komputerowej pomiary stały się o wiele dokładniejsze i szybsze. W opracowaniu przedstawiono przegląd badań, w których zastosowano automatyczną technikę analizy obrazów, a prowadzone...
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On the use of bilinear transformation for parameter identification of anticorrosion coatings
PublicationW artykule przedstawiono metodę identyfikacji parametrów powłok antykorozyjnych modelowanych wieloelementowymi układami zastępczymi. Metoda wykorzystuje właściwości przekształcenia biliniowego, które umożliwia przedstawienie funkcji układowej wieloparametrowego modelu jako funkcji każdego indywidualnego parametru. Odwrotne przekształcenie biliniowe pozwala na wyznaczenie wartości każdego z parametrów modelu z osobna na podstawie...
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Zastosowanie magistrali USB w mikroprocesorowych urządzeniach automatyki.
PublicationW artykule przedstawiono właściwości magistrali USB oraz oceniono możliwość zastosowania jej w urządzeniach automatyki. Wnioski wyprowadzono w oparciu o doświadczenia związane z uruchomieniem prostego układu pomiarowego wykorzystującego popularny mikrokontroler z rodziny 8051 i scalony sterownik magistrali USB - FTU245AM.
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Computation of the convolution with use of the polynomial residue number system.
PublicationPrzedstawiono użycie wielomianowych systemów resztowych do obliczania splotu w cyfrowych układach dużej skali integracji VLSI.
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Monitoring of safety belts use on national and regional level
PublicationW referacie przedstawiono charakterystykę krajowego i regionalnych systemów monitorowania stosowania pasów bezpieczeństwa w pojazdach. Bazę systemu krajowego stanowi 16 stacji pomiarowych o stałych lokalizacjach w stolicach województw, natomiast bazę systemów regionalnych stanowią stałe punkty pomiarowe rozmieszczone w stolicach powiatów oraz na wybranych drogach. Badania prowadzone są w kraju co 2 miesiące, w województwach co...
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Generation of hydroxyl radicals in UV/TiO2 and UV/H2O2 systems
PublicationPrzeprowadzono badania efektywności generowania rodników hydroksylowych dla różnych warunkow fotokatalitycznego utleniania. Rodniki hydroksylowe oznaczano pośrednią metodą utleniania metanolu, w której następuje spektrofotometryczne oznaczenie powstałego formaldehydu po derywatyzacji z 2,4-dinitrofenylohydrazyną. Badania wykazały, że wzrost pH zwiększa efektywność generowania ·OH zarówno w układzie hetero- i homogenicznym....
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A study on the use of the BioBall® as a biofilm carrier in a sequencing batch reactor
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Cechy budownictwa w roku 2025 - spojrzenie z USA
PublicationOmówiono oczekiwany rozwój budownictwa w świecie do r. 2025, widziany z perspektywy USA.
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Sub-optimal fault-tolerant control with the use of discrete optimization
PublicationW pracy prezentuje się koncepcję projektowania układów sterowania z tolerancją usterek poprzez zastosowanie podejścia suboptymalnego. Przyjąwszy przestrzenno-stanową reprezentację nieliniowego procesu dynamicznego we wstępnej fazie projektowania (off-line) poszukuje się optymalnej trajektorii punktu pracy w przestrzeni stanu (ograniczanej do pewnej przestrzeni roboczej). Na poszukiwaną trajektorię można łatwo narzucać dowolne ograniczenia,...
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Analysis of selected fluids for use in micro-CHP for domestic applications
PublicationW pracy przeanalizowano 4 płyny, etanol, SES36, R141b oraz R134a celem ich zastosowania w domoych mikrosiłowniach. Najlepszym płynem okazuje się być alkohol etylowy oraz SES36.
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The use of spectrometric diagnostics in identification of the technical condition of tribological systems
PublicationThe paper presents, as an effect of the analysis of investigation results, a possibility of using the spectrometric diagnostics in the tribological system technical condition supervision arrangement. A model, based on the emission of solid particles in tribological system operation, allows to identify the system technical condition. After the analysis of tests carried out with the use of that model, it has been found that the content...
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Simulation of surveilance of industrial robot's vibration with a use of the modal control
PublicationW pracy rozważano drgania niestacjonarnego układu nośnego robota IRb-6. Do nadzorowania drgań zastosowano algorytm sterowania modalnego przy energetycznym wskaźniku jakości. Celem proponowanego algorytmu jest minimalizacja poziomu drgań uchwytu manipulatora, a tym samym - zwiększenie możliwości nowoczesnych linii zrobotyzowanych, jak również poprawa dokładności i powtarzalności pozycjonowania robotów.
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Modeling of broadband light source to use with optical coherenttomography system
PublicationW pracy przedstawiono modelowanie źródeł szerokopasmowych na potrzeby systemów koherentnej tomografii optycznej z punktu widzenia uzyskiwanej zdolności podłużnej i jakości otrzymywanych obrazów. Pokazano na przykładzie źródła szerokopasmowego wykorzystującego światłowód fotoniczny do generacji w wyniku zjawisk nieliniowych ''supercontinuum'' wpływ kształtowania wiązki na możliwości pomiarowe systemu OCT.
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Chapter 4. Use of permeation passive samplers in air monitoring
PublicationTechnika dozymetrii pasywnej znalazła szerokie zastosowanie w monitoringu powietrza. Z uwagi na posiadane zalety stanowi ona alternatywne rozwiązanie w stosunku do aktywnych technik wykorzystywanych w monitorowaniu poziomu zanieczyszczeń powietrza.
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Influence of the use of ethanol fuel on selected parameters of the gasoline engine
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Use of Ginger Nanofibers for the Preparation of Cellulose Nanocomposites and Their Antimicrobial Activities
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Innovative Resistojet Propulsion System—Use in Robotic Space Platforms
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Electronic Cigarette Use and Metabolic Syndrome Development: A Critical Review
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Potential Use of Thalidomide in Glioblastoma Treatment: An Updated Brief Overview
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Use of a Virtual Instrument for Measurements of Direct Voltages in the Presence of Interferences
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Use of the Delta plate for surgical treatment of patients with condylar fractures
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4-(Cyclic-amidino)phenols. Preparation and Use in a Diamidine Synthesis
PublicationThe Pinner synthesis was applied to the prepn. of phenols 4-substituted with cyclic amidines in high yields from readily available 4-HOC6H4C(OMe):NH.HCl and aliph. diamines. An alternative attempt was made to convert 4-HOC6H4CSNH2 to 4-(1,4,5,6-tetrahydro-5-hydroxy-2-pyrimidinyl)phenol. A procedure for the prepn. of 3,6-bis(4-hydroxyphenyl)-1,2,4,5-tetrazine is reported. The syntheses of 2,4-bis[4-(4,5-dihydro-1H-imidazol-2-yl)phenoxy]pyrimidine...
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Prediction of the properties of PVD/CVD coatings with the use of FEM analysis
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On the use of Cu catalysts for tailoring carbon nanostructures in alcohol‐CVD
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When technology use causes stress: Challenges for contemporary research
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Development of HFB with the Use of 2nd Order Pass-Band Filters
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New aspects of the use of Optical Theorem in the analysis of microcavity lasers
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Rational Use of Primary Energy in Single-Family Residential Houses
PublicationThis work presents results of the primary energy use for heating residential single-family house. Analysis includes domestic hot water system (DHW) and heating, ventilation and air condition system (HVAC). During researches the conventional and alternative energy sources (natural gas, biomass, fuel oil, bituminous coal, lignite or electric energy obtained from electric power system – EPS) were used in DHW and HVAC systems. Furthermore...
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The Use of Sensory Analysis Techniques to Assess the Quality of Indoor Air
PublicationThe quality of indoor air is one of the significant elements that influences people's well-being and health inside buildings. Emissions of pollutants, which may cause odor nuisance, are the main reason for people's complaints regarding the quality of indoor air. As a result, it is necessary to perform tests aimed at identifying the sources of odors inside buildings. The article contains basic information on the characteristics...
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Gas turbines – technological development and potential use in CAES systems
PublicationThis article briefly describes Compressed Air Energy Storage (CAES), focusing on the technological development of one of the key elements of such systems – the gas turbines. It presents the basic parameters and features of gas turbines, as well as turbine classes with example models. Main tendencies in the structural and technological development are discussed. Changes and trends on electric energy markets are becoming more and...
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Movement perception with the use of a motorized delta armrest and virtual reality
PublicationIn this paper we present a combination of neuroscience experiments with the use of a parallel armrest robot to study the effects of temporal delays and spatial biases on the movement perception. A dedicated armrest to guide and manipulate the arm has been developed for these experiments. It is a three-degree-of-freedom Delta structure. In combination with a virtual reality application, the movement perception has been evaluated....