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Search results for: SYSTEM WODONOŚNY
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TDOA versus ATDOA for wide area multilateration system
PublicationThis paper outlines a new method of a location service (LCS) in the asynchronous wireless networks (AWNs) where the nodes (base stations) operate asynchronously in relation to one another. This method, called asynchronous time difference of arrival (ATDOA), enables the calculation of the position of the mobile object (MO) through the measurements taken by a set of non-synchronized fixed nodes and is based on the measurement of...
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Automatic system for optical parameters measurements of biological tissues
PublicationIn this paper a system allowing execution of automatic measurements of optical parameters of scattering materials in an efficient and accurate manner is proposed and described. The system is designed especially for measurements of biological tissues including phantoms, which closely imitate optical characteristics of real tissue. The system has modular construction and is based on the ISEL system, luminance and color meter and...
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MACHINE LEARNING SYSTEM FOR AUTOMATED BLOOD SMEAR ANALYSIS
PublicationIn this paper the authors propose a decision support system for automatic blood smear analysis based on microscopic images. The images are pre-processed in order to remove irrelevant elements and to enhance the most important ones - the healthy blood cells (erythrocytes) and the pathologic (echinocytes). The separated blood cells are analyzed in terms of their most important features by the eigenfaces method. The features are the...
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The concept of anti-collision system of autonomous surface vehicle
PublicationThe use of unmanned vehicles in various fields of science and the economy is becoming more common. An extremely important aspect of creating this type of solution is to provide autonomous vehicle navigation, which does not require interference of the human factor or in which it is limited to a minimum. This article discusses the concept of autonomous anti-collision system of unmanned surface vehicle. It proposed a sensor system...
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Komunikacja M2M i kooperacyjny inteligentny system transportowy
PublicationW referacie scharakteryzowano komunikację M2M w kontekście przyszłych systemów 5G. Ponadto przedstawiono przyjętą w marcu 2018 roku rezolucję Parlamentu Europejskiego w sprawie wdrażania Kooperacyjnego Inteligentnego Systemu Transportowego C-ITS (ang. Cooperative Intelligent Transport Systems). System ten pozwoli na uruchomienie komunikacji typu V2X na obszarze całej Europy. W artykule zawarto zalecenia komisji do Parlamentu Europejskiego...
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System nawigacji bezkolizyjnej autonomicznego robota mobilnego SCORPION.
PublicationW artykule przedstawiono opracowany i wykonany system nawigacji autonomicznego robota mobilnego ERSP Scorpion umożliwiający realizację zadania unikania kolizji z przeszkodami statycznymi znajdującymi się w otoczeniu, w którym robota się porusza. Do akwizycji wiedzy o otoczeniu wykorzystano czujniki odometryczne oraz podczerwieni aktywnej. Przedstawiono również wyniki badań systemu nawigacji w różnych warunkach pracy, począwszy...
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Asynchroniczny i samoorganizujący się system radiolokalizacyjny - AEGIR
PublicationW artykule przedstawiono opis budowy i działania demonstratora technolo-gicznego asynchronicznego, naziemnego system radiolokalizacyjnego, który został opracowany w Politechnice Gdańskiej. Opisano podstawowe elementy budowy tego systemu, przedstawiono wnioski oraz analizę efektywności jego działania.
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Naval mine detection system based of FPGA circuit
PublicationElectrochemical processes take place in a metal object immersed into sea water even if an anticorrosive coating is applied [1]. As a result, flowing field appears around the object. There are naval mines between many other objects situated in the sea. Naval mines can be put in the seabed in order to be more difficult to detect by sonars. Such a mine is located on the line demarking two environments of different electrical conductivity....
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An odor-sensing system - powerful technique for foodstuff studies
PublicationThis work examines gas sensor array technology combined with multivariate data processing methods and demonstrates a promising potential for rapid, non-destructive analysis of food. Main attention is focused on detailed description of sensor used in e-nose instruments, construction, and principle of operation of these systems. Moreover, this paper briefly reviews the progress in the field of artificial olfaction and future trends...
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Design of battery charging system update for glider launcher
PublicationThis paper presents an innovative solution for increasing life of lead-acid batteries used in a glider launcher. The study is focused on upgrading a charging system instead of a costly full replacement of it. Based on literature review, the advanced three-stage charging profile was indicated. The new topology of the power converter was proposed and a simulation model was developed. A simulation study was performed which leads to...
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Designing control strategies of aeration system in biological WWTP
PublicationThe paper presents the complete design processes of a novel aeration control systems in the SBR (Sequencing Batch Reactor) wastewater treatment plant (WWTP). Due to large energy expense and high influence on biological processes, the aeration system plays a key role in WWTP operation. The paper considers the aeration system for a biological WWTP located in the northeast of Poland. This system consists of blowers, the main collector...
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SEWAGE SYSTEM CONCEPT FOR KAMIEŃ VILLAGE IN THE COMMUNE OF SZEMUD
PublicationThe aim of this thesis is to solve a disturbing problem, which is illegal sewage discharge, without any previous treatment in a village Kamień, Szemud commune, Poland, by developing a multivariate sewerage system concept. The introduction submits the theory concerning the division of sewer systems as well as the wastewater treatment’s level. Moreover, there is also the problem of rural sanitation presented and main locality –...
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The concept of stream and system reliability on the example of the bakery industry
PublicationThis article presents a new concept of technological system reliability based on the analysis of the relationship of associations of elements of energy streams, matter, information, time and finance. The method of stream specification and the method of determining the reliability values of significant and supporting relationships are given. Relevant relationships between elements of system streams were defined as having one-time...
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Stress Monitoring System for Individuals with Autism Spectrum Disorders
PublicationIn this article, a stress monitoring system tailored for individuals with Autism Spectrum Disorders (ASD) and developed for the educational institution is presented. People with ASD face problems with effective stress management due to their high self-perceived levels of stress, poor ability to cope with it, and dificulties with the accurate detection of the source of stress. Consistently, being able to measure stress appears to...
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SYSTEM RADIOLOKALIZACYJNY OPARTY NA FARMIE TURBIN WIATROWYCH
PublicationW referacie zaproponowano wykorzystanie farmy turbin wiatrowych do budowy systemu radiolokalizacyjnego dla obiektów latających (samolotów). Zaproponowane rozwiązanie umożliwia oszacowanie położenia obiektu w przestrzeni, zwłaszcza w ruchu, za pomocą sygnałów lokalizacyjnych nadawanych asynchronicznie z wież turbin wiatrowych. Przedstawiono matematyczną analizę metody oraz wyniki badań symulacyjnych efektywności pracy rozwiązania...
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Ho2Pd1.3Ge2.7 – a ternary AlB2-type cluster glass system
PublicationWe report a successful synthesis of a ternary AlB2-type intermetallic compound. The phase purity was obtained by fine-tuning the Pd-Ge ratio out of the idealized 1-3. Attempts to synthesize an Er analogue were not successful. We discuss the instability of the Er analogue based on the atomic size ratio and also suggest that the increased stability of Ho2Pd1+xGe3−x in the Pd-rich range likely stems from a combination of atomic size...
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Development of a Response Assessment Tool for a Floating Dock System
PublicationDocking operations of ships require a response assessment to ensure structural and personnel safety. Environmental loads and improper ballast adjustments are the main threats to the docking operations. They can cause severe structural damages and stability loss to a floating dock system which includes a floating dock and a docked vessel, even if the velocities of the dock and the vessel are very low during the docking process....
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MORPHOLOGY OF BUILDING DEVELOPMENT AS AN ELEMENT OF URBAN VENTIALTION SYSTEM
PublicationProblems related to air quality in large urban agglomerations (e.g., high concentration of pollutants, the urban heat island phenomenon) make it necessary to take comprehensive measures to improve air exchange in urban areas.The article concerns the relationship between wind phenomena observable in cities and the geometrical features of building development. The knowledge on the subject is already well-founded and has been intensively...
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Healthy financial system of local government on the example of Poland
Publicationhealthy local government financial system lays the foundation for the ability of local government units (LGUs) to carry out public tasks at the current qualitative and quantitative level and to meet their obligations in the short and long term. A healthy financial system of local government is a system that is adequate, stable, unified, consistent, transparent, diversified, counter-cyclical, guarantees the financial independence...
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Adaptacyjny system oświetlania dróg oraz inteligentnych miast
PublicationPrzedmiotem rozprawy jest zbadanie praktycznej możliwości wykrywania w czasie rzeczywistym anomalii w systemie oświetlenia drogowego w oparciu o analizę danych ze inteligentnych liczników energii. Zastosowanie inteligentnych liczników energii elektrycznej (Smart Meter) w systemach oświetlenia drogowego stwarza nowe możliwości w zakresie automatycznej diagnostyki takich niepożądanych zjawisk jak awarie lamp, odstępstwa od harmonogramu...
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A prototype information system for managing and pricing e-waste
PublicationThere is no doubt that innovation drives development in all areas of human activity, including electrical and electronic equipment. However, the production of new equipment has a significant impact on the natural environment and a relatively high consumption of natural resources. To address these issues, the circular economy has been implemented in recent years by promoting and introducing numerous measures to facilitate the recycling...
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Design and implementation of the driver system for Hamamatsu C12880MA microspectrometer
PublicationRecent miniaturization developments in devices for spectroscopy have reduced greatly their costs and increased their availability for a wide range of users and applications. This paper presents the design and implementation of a driver system for a Hamamatsu C12880MA microspectrometer. The system implementation was carried out and compared using two independent microcontroller modules: Arduino Uno and STM32F411RE Nucleo. We assessed...
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Hierarchiczny system sterowania dwukołowym balansującym pojazdem mobilnym
PublicationPojazdy mobilne są projektowane i rozwijane od kilkunastu lat. W artykule opisano dwukołowy balansujący pojazd mobilny. Zastosowane rozwiązania mechaniczne i elektroniczne są jego cechami charakterystycznymi. Ponadto sposób kierowania pojazdem jest nietypowy i polega na pochylaniu się w danym kierunku, a zmiany kierunku jazdy dokonuje się za pomocą drążka kierowniczego. W celu opracowania algorytmów sterowania koniecznym okazało...
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Remote Spatial Database Access in the Navigation System for the Blind
PublicationThe article presents the problem of a database access in the navigation systems. The authors were among the main creators of the prototype navigation system for the blind - “Voice Maps”. In the implemented prototype only exemplary, limited spatial data were used, therefore they could be stored in the mobile device’s memory without any difficulties. Currently the aforementioned system is being prepared for commercialization - the...
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Low Cost Method for Location Service in the WCDMA System
PublicationA new and low cost method for a location service (LCS) in the Wideband Code Division Multiple Access (WCDMA) system is outlined. This method, which is called TDOA + RTT, enables calculation of the geographical position of a mobile station (MS) without knowledge of relative time differences (RTDs) between base stations (BSs). The TDOA+RTT method is based on the measurement of round trip times (RTTs) between the MS and the serving...
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Regional Observatory as a Part of Road Safety Information System
PublicationEU experience clearly indicates that it is necessary to inform and motivate the public on road unsafety to undertake specific preventive efforts, as well as making road users feel responsible for the state of road safety and seek to improve this state gradually to protect their health and life. The implementation of the Warmia-Mazury Road Safety Observatory project will not only be an excellent addition to the activities carried...
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On the Transcendental Philosophy in the Light of the Kantian Aggregate - System Opposition
PublicationTh e article represents an attempt to determine the essence of critical philosophy in the light of Kantian distinction between aggregate and system. In order to achieve this, the article harks back to Kant’s work and to accomplishments of Marburg School of neo-Kantianism and particularly to Ernst Cassirer’s philosophy. Discrimination between aggregate and system as two possible types of knowledge representation rests on the precedent...
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Bezprzewodowy moduł detekcji źródeł dźwięku – system klasyfikatorów
PublicationMonitoring bezpieczeństwa osób starszych i chorych przebywających samotnie w pomieszczeniach można realizowaćpoprzez detekcję dźwięków nietypowych. W tym celu zbudowano moduł nasłuchujący, który analizuje dźwięki z otoczenia. Oblicza on szereg parametrów dźwięku, także bazujących na STFT i MFCC. Umożliwiają one wychwycenie i sklasyfikowanie takich odgłosów jak jęki, krzyki, kaszel oraz huki. Przedstawiono...
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Steam turbines governors in power system restoration process
PublicationThe paper discusses problems related to electric power system restoration process. The turbine controller operating mode influence in small subsystem is analyzed. There are considered abilities, advantages and drawbacks of the controller's two operating modes: power control and speed (frequen-cy) control, to rebuild electric power system from a single generating unit to a few parallel running generators.
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Automatic Analysis System of TV Commercial Emission Level
PublicationThe purpose of the study was to determine whether the commercial emission level is higher than the emission level of a regular program and to check if the commercials broadcasters follow the recommended levels of loudness. The paper shortly reviews some chosen methods of volume measurements specified in the ITU and EBU recommendations. Then, it describes a prototype of a system implemented in Embarcadero C++ Builder 2010 which...
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Komputerowy system do badań wariantów procesów technologicznych
PublicationW rozdziale monografii opisano komputerowy system decyzyjny dla wyboru wariantu procesu technologicznego ze szczególnym uwzględnieniem obróbki nagniataniem. System zbudowano z uwzględnieniem wyników eksperymentów przeprowadzonych dla nagniatania elementami diamentowymi części klasy wałek. Wybór wariantu oparto na definiowanych wagach parametrów określających strukturę geometryczną powierzchni. Wyniki przeprowadzonych dań z użyciem...
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Wireless data transmission for fiber optical sensor system
PublicationW artykule opisano możliwość wykorzystania bezprzewodowego systemu transmisji danych do transmisji sygnałów z czujników światłowodowych.
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Building a cybersecurity culture of public administration system in Poland
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Online sound restoration system for digital library applications
PublicationAudio signal processing algorithms were introduced to the new online non-commercial service for audio restoration intended to enhance the content of digitized audio repositories. Missing or distorted audio samples are predicted using neural networks and a specific implementation of the Jannsen interpolation method based on the autoregressive model (AR) combined with the iterative restoring of missing signal samples. Since the distortion...
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Gesture-controlled Sound Mixing System With a Sonified Interface
PublicationIn this paper the Authors present a novel approach to sound mixing. It is materialized in a system that enables to mix sound with hand gestures recognized in a video stream. The system has been developed in such a way that mixing operations can be performed both with or without visual support. To check the hypothesis that the mixing process needs only an auditory display, the influence of audio information visualization on sound...
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A System for Cooling Electronic Elements with EHD Coolant Flow
PublicationA system for cooling electronic components where the liquid coolant flow is forced with ion-drag type EHD micropumps was tested.
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GPR investigation of the strengthening system of a historic masonry tower
PublicationIn this paper the condition assessment of the strengthening system of a masonry tower was carried out by the GPR method. The study provided unique experimental data acquired during measurements of the reinforced concrete frame embedded in masonry walls. Conducted numerical and experimental investigations were focused on the phenomenon of the diffraction-refraction scattering of the electromagnetic energy. A hyperbola resulting...
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Research on causes of corrosion in the municipal water supply system
PublicationThis paper presents results of failure analysis study to characterize the corrosion damage that occurred in the water supply system in Krakow. This analysis includes: electrochemical noise, linear polarization and resistometric measurements. Water aggressiveness of four water intakes was defined using Langelier and Ryznar indices. Results from this indices did not reveal the causes of considerable corrosion losses in water systems....
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System of monitoring of the Forest Opera in Sopot structure and roofing
PublicationThe authors present a solution realized in Forest Opera (name in Polish: Opera Leśna) in Sopot (Poland) in connection with the modernization and construction of a new roof. The complicated structure of the roof of the facility and the used covering in form of membrane made of technical fabric required (for security reasons) to install the unit of devices allowing for the continuous geodetic monitoring of the facility. Monitoring...
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A system for acoustic field measurement employing cartesian robot
PublicationA system setup for measurements of acoustic field, together with the results of 3D visualisations of acoustic energy flow are presented in the paper. Spatial sampling of the field is performed by a Cartesian robot. Automatization of the measurement process is achieved with the use of a specialized control system. The method is based on measuring the sound pressure (scalar) and particle velocity (vector) quantities. The aim of the...
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Internet system for supply and temperature control in server rooms
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Modular Experience-Based Smart Innovation Engineering System
PublicationThe current paper presents the systematic approach for supporting the product innovation process of manufactured products. The proposed system uses a collective, team-like knowledge developed by innovation related experiences of the formal decisional events. The proposed system for smart innovation engineering carries the promise to support the innovation processes in a quick and efficient way. It stores the past decisional events...
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Quantifying inconsistencies in the Hamburg Sign Language Notation System
PublicationThe advent of machine learning (ML) has significantly advanced the recognition and translation of sign languages, bridging communication gaps for hearing-impaired communities. At the heart of these technologies is data labeling, crucial for training ML algorithms on a huge amount of consistently labeled data to achieve models that generalize well. The adoption of language-agnostic annotations is essential to connect different sign...
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A Novel Device and System for Fall Detection Under the Shower
PublicationIn this paper, device construction and preliminary results for shower safety assistance are presented. The device allows monitoring of shower-taking persons without violating privacy and intimacy, while it has the ability to detect a persons entering and leaving the shower and detecting fall conditions. It allows better supervision of elders living independently at their locations.
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Optimal linear control theory in power system application
PublicationPrzedstawiono syntezę stabilizatora systemowego przy wykorzystaniu metodyki Hinf. Zaprojektowany regulator umożliwia uzyskanie lepszych rezultatów w porównaniu z regulatorem odniesienia w szerokim zakresie zmian punktu pracy.
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Cykliczny system otwarty i cyrkularne kolorowanie grafów.
PublicationW pracy rozważany jest cykliczny system otwarty - modyfikacja otwartego systemu procesów dedykowanych polegająca na założeniu, że praca jest wykonywana w ruchu ciągłym, czyli kolejne cykle pracy wykonywane są bezpośrednio po sobie. Rozważana jest złożoność obliczeniowa problemów związanych z układaniem harmonogramu w systemach tego typu.
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Sieciowy system komputerowy wspomagający testowanie wiedzy uczniów
PublicationW referacie przedstawiono organizację sieciowego systemu komputerowego wspomagającego tworzenie i przeprowadzanie testów. Omówiono przypadki użycia systemu z punktu widzenia administratora sieci, nauczyciela i ucznia, a także przypadki wspólne dla wszystkich użytkowników systemu. Podano opis interfejsu dla poszczególnych grup użytkowników.
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Versatile pattern recognition system based on Fisher criterion
PublicationZaprezentowano system rozpoznawania obrazów w postaci bitmap. Zaimplementowany algorytm ekstrakcji cech jest uniwersalny i może być używany do różnych obrazów. Cały system bazuje na kryterium Fishera.
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Errors caused by microwave part of the microwave heating system
PublicationPrzedstawiono skrótowo zasadę pracy i konstrukcję systemu do badań naukowych procesów grzania mikrofalowego. Wyprowadzono wyrażenie opisujące wartość średniokwadratową błędu pomiaru energii mikrofalowej i przeanalizowano składowe błędu pomiaru powodowane przez rzeczywiście występujące w układzie pomiarowym parametry techniczne jego części mikrofalowej.
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System Informacji Przestrzennej w gospodarce przestrzennej województwa.
PublicationPrzedstawiono podstawy prowadzenia gospodarki przestrzennej województwa oraz rolę systemu informacji przestrzennej w określeniu polityki przestrzennej województwa. Omówiono w jaki sposób System Informacji Przestrzennej służy realizacji polityki przestrzennej przy wdrażaniu przedsięwzięć inwestycyjnych, koordynacji działań różnych podmiotów, zwłaszcza samorządów terytorialnych, formułowaniu rekomendacji do polityki przestrzennej...