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Search results for: Environmental%20diagnostics

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Search results for: Environmental%20diagnostics

  • Advances in electrical impedance methods in medical diagnostics

    Publication

    - Year 2005

    Omówiono elektroimpedancyjne metody diagnostyczne i aparaturę pomiarową opracowane w Politechnikach - Gdańskiej i Warszawskiej.Przedyskutowano właściwości elektryczne różnych tkanek biologicznych, omówiono konstrukcję celek i elektrod do pomiarów in vivo oraz in vitro. Opisano konstrukcję wybranych systemów pomiarowych - pletyzmografów, kardiografów i tomografów elektroimpedancyjnych a także stosownego oprogramowania, np. rekonstrukcji...

  • International Conference on Diagnostics of Processes and Systems 2022

    Publication

    - Pomiary Automatyka Robotyka - Year 2023

    Wydarzenie stanowiło 15 ogniwo cyklu organizowanego od 1996 roku, naprzemiennie przez Politechnikę Warszawską, Uniwersytet Zielonogórski oraz Politechnikę Gdańską. Tegoroczna edycja konferencji została objęta patronatem JM Rektora Politechniki Gdańskiej, prof. Krzysztofa Wilde, Komitetu Automatyki i Robotyki Polskiej Akademii Nauk, Towarzystwa Konsultantów Polskich (FSNT-NOT) oraz Polskiego Stowarzyszenia Pomiarów Automatyki i...

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  • VIBRATION DIAGNOSTICS OF FOOTBRIDGE WITH USE OF ROTATION SENSOR

    Publication

    - APPLIED COMPUTER SCIENCE - Year 2014

    The benefits of the additional measurement of rotational degrees of free-dom on the performance of the vibration diagnosis of bridges are studied in this paper. The common vibrational diagnostics that uses translational degrees of freedom is extended by measurements of rotations. The study is curried out on a footbridge and the presence of damage as well as its location and size is determined with use of FEM updating procedure....

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  • Diagnostics of commutation unit in satellite pumps and motors

    Publication

    - Hydraulika a pneumatika - Year 2013

    The article describes a part of the research on the development of satellite pumps and motors, conducted on Gdansk University of Technology as a part of grant "New elaborate of hydraulic satellite machines for drives with vegetable liquids and non-flammable liquids" (LIDER/35/102/L-2/10/NCBiR/2011) funded by the National Centre for Research and Development in Poland. The presented area includes the diagnostics of commutation units...

  • Diagnostics of commutation unit in satellite pumps and motors

    Publication

    - Year 2013

    The article describes a part of the research on the development of satellite pumps and motors, conducted on Gdansk University of Technology as a part of grant "New elaborate of hydraulic satellite machines for drives with vegetable liquids and non-flammable liquids" (LIDER/35/102/L-2/10/NCBiR/2011) funded by the National Centre for Research and Development in Poland. The presented area includes the diagnostics of commutation units...

  • Diagnostics of historic columns using wave propagation

    Publication

    - Year 2015

    This paper presents a numerical analysis of elastic wave propagation in columns of historical buildings for diagnostics purposes. Numerical calculations were performed using the finite element method in the Abaqus software package. The analysis was carried out for three types of brick columns: a full column, a column filled with debris, and a column empty inside. The excitation was in the form of a wave packet and signals of propagating...

  • THE VIBRATION BASED DIAGNOSTICS OF SHIP PROPULSION SYSTEMS

    Publication

    - Year 2015

    The article has been worked out on the basis of the report devoted to the conducted diagnostic investigations of the ship main propulsion unit’s mechanical system. Gdansk University of Technology has been ordered with such investigations by the repair Shipyard carrying out the ship’s overhaul. Diagnostic tests involved measurements and analyses of the vibration signals generated in selected constructional kinematic pairs of the...

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  • Machine Learning and Electronic Noses for Medical Diagnostics

    Publication

    - Year 2021

    The need for noninvasive, easy-to-use, and inexpensive methods for point-of-care diagnostics of a variety of ailments motivates researchers to develop methods for analyzing complex biological samples, in particular human breath, that could aid in screening and early diagnosis. There are hopes that electronic noses, that is, devices based on arrays of semiselective or nonselective chemical sensors, can fill this niche. Electronic...

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  • Diagnostics of high-voltage varistors by acoustic emission

    Publication

    - Year 2010

    Warystory, szeroko stosowane w ogranicznikach przepięć, powinny być testowane na końcowym etapie ich wytwarzania. Stosowane metody testowania wymagają użycia wysokich napięć i prądów o dużych natężeniach, co jest nidogodne, destrukcyjne i wymaga poboru relatywnie dużych pocy. W artykule zaproponowano zastosowanie analizy sygnału emisji akustycznej do predykcji jakości struktury warystora. Opisano system przygotowany do tej aplikacji,...

  • Implementation of Active Dynamic Thermography in medical diagnostics

    Publication

    - Year 2010

    W pracy przedstawiono wyniki badań wdrożeniowych Aktywnej Termografii Dynamicznej w diagnostyce wybranych chorób.

  • Modelling and diagnostics of a traction transformer - a case study

    Publication

    - Year 2007

    W niniejszym artykule przedstawiono wyniki badań w dziedzinie diagnostyki kolei elektrycznych. Zostały one przeprowadzone przez międzynarodowe przemysłowo-akademickie konsorcjum w ramach projektu europejskiego (6-go programu ramowego). Skupiono się na modelowaniu transformatora trakcyjnego z myślą o rozwinięciu nieinwazyjnej metody diagnostycznej w czasie rzeczywistym. Model przeznaczony do badań finalnych został rozwinięty w oparciu...

  • Technical diagnostics and monitoring of traction current collectors

    Publication

    - Year 2009

    New evaluation methods of the technical condition of rolling stock current collectors are proposed in this paper. The method of automatic measurement of the pantograph static force characteristic, realized when the vehicle runs through the test section of the track with especially prepared overhead line height distribution, has been practically implemented by the Polish Railways. The method of testing the slipper spring suspension...

  • Current measurement and analysis for induction motor diagnostics

    Publication

    - Metrology and Measurement Systems - Year 2010

    Przedstawiono sposób diagnozowania łożysk tocznych w silnikach indukcyjnych z wykorzystaniem pomiarów i analizy prądu zasilającego silnik. Zaprezentowano metodę pomiarową i opracowania danych diagnostycznych. Uzyskano zgodność częstotliwości składowych widma prądu otrzymanych z badań teoretycznych i eksperymentalnych.Podano wyniki badań łożysk o róznych uszkodzeniach i prawdopodobieństwa poprawnych diagnoz.

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  • Diagnostics of zno varistors by means of nondestructive testing

    Publication

    - Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej - Year 2011

    Standard industrial testing of high-voltage varistors for surge arresters demands application of high voltages and intensive currents. Nondestructive methods for varistor quality and endurance evaluation have been proposed and described. They rely on the application of resonant ultrasound spectroscopy, electro-ultrasonic spectroscopy, noise measurement and nonlinearity testing at voltages lower than continuous operating range....

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  • Guided waves for nondestructive diagnostics of embedded waveguides

    Publication

    - Year 2018

    The thesis concentrates on comprehensive theoretical, numerical and experimental analysis of guided wave propagation in bars embedded in concrete or mortar. The investigations are focused on a particular type of objects representing a laboratory model of a ground anchor. Complex description of wave propagation phenomena in partially embedded bars is given and its application in...

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  • Diagnostics of induction motor bearings - possibility of measurements

    Publication

    - Year 2011

    In induction motors damage in the elements of electromagnetic system, for example in the wiring of stator, rotor or in the magnetic circuit can appear as well as damage of mechanical parts (bearings, rotor, shaft). Bearing diagnostics is so important in supervision of motor condition, because extensive research shows that the bearings arethe elements most susceptible to damage. This paper presents the research which the author...

  • GPR simulations for diagnostics of a reinforced concrete beam

    Publication

    - Year 2016

    The most popular technique for modelling of an electromagnetic field, the finite difference time domain (FDTD) method, has recently become a popular technique as an interpretation tool for ground penetrating radar (GPR) measurements. The aim of this study is to detect the size and the position of damage in a reinforced concrete beam using GPR maps. Numerical simulations were carried out using the finite differ-ence time domain...

  • A method of verification diagnostics for functional safety analysis

    Publication

    - Year 2005

    Problemy analizy bezpieczeństwa zostały zapoczątkowane w lotnictwie i energetyce jądrowej, a obecnie wprowadzane są szeroko do różnych gałęzi przemysłu, jak przemysł chemiczny, mechaniczny, etrochemiczny, spożywczy, itp. W analizie bezpieczeństwa funkcjonalnego względem przyjętego poziomu SIL wyznacza się prawdopodobieństwa nie wypełnienia określonej funkcji na żądanie (PDF). Do tego celu stosuje się różne metody analityczne, wykorzystuje...

  • Julia Kurek mgr inż. arch.

    People

    Department of Urban Design and Regional Planning

  • Virtual immersive environments

    Publication

    - Year 2022

    Yet a higher level of active systems may be achieved when users are fully immersed in an interface which is a 3D computer generated virtual world and can interact with surrounding objects of that world as they were in a real one. This is the issue covered by Chapter 7. Interaction in such a world is both multidimensional and multimodal, with the possibility of free movement of the user in any direction and the simultaneous stimulation...

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  • Vehicular Communication Environments

    Publication
    • E. G. Ström
    • L. Ekiz
    • T. Abbas
    • R. He
    • S. J. Ambroziak
    • V. Shivaldova
    • J. Nuckelt

    - Year 2016

    Communication to and between road vehicles (cars, truck, buses, trains, etc.) are of growing interest. This is partly due to the attractive services that cooperative intelligent transport systems (C-ITSs) provides, mainly in the areas of traffic safety and traffic efficiency. An enabler for C-ITS is wireless vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communication, collectively referred to as vehicle-to-X (V2X)...

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  • Examples of AFM applications in liquid environment

    Open Research Data
    open access - series: Scanning Probe Microscopies data

    Important advantage of atomic force microscopy (also tunneling microscopy) is the ability to work in different environments (vacuum, controlled atmosphere, liquid environment). The last one, open interesting possibilities, such as imaging of delicate biological materials in their natural state. The use of electrochemical mode allows for the modification...

  • ENVIRONMENTAL SCIENCE & POLICY

    Journals

    ISSN: 1462-9011 , eISSN: 1873-6416

  • Nitrogen pathways in the environment.

    Publication

    - Year 2004

    Praca stanowi wprowadzenie do zbioru artykułów poświęconych wielorakim aspektom badań nad ścieżkami przenoszenia związków azotu, zagrożeniami z tego wynikającymi oraz metodami przeciwdziałania tym zagrożeniom. Przedstawiono w niej bardzo problematykę obiegu kołowego azotu w przyrodzie, zwracając szczególną uwagę na zakłócenia w tym obiegu, będące rezultatem różnorodnej działalności człowieka. Na tle aktualnego stanu wiedzy, krótko...

  • Organohalogen compounds in the environment.

    Publication

    - Year 2004

    Przedyskutowano problem związków chloroorganicznych w środowisku, takich jak: pestycydy chloroorganiczne, polichlorowane bifenyle, polichlorowane dibenzodioksyny i furany. Omówiono podstawowe właściwości fizykochemiczne, toksykologiczne oraz ścieżki przemian w środowisku.

  • ENVIRONMENTAL CONSERVATION

    Journals

    ISSN: 0376-8929 , eISSN: 1469-4387

  • ENVIRONMENTAL POLITICS

    Journals

    ISSN: 0964-4016 , eISSN: 1743-8934

  • ENVIRONMENTAL MANAGEMENT

    Journals

    ISSN: 0364-152X , eISSN: 1432-1009

  • Environmental Development

    Journals

    ISSN: 2211-4645 , eISSN: 2211-4653

  • ENVIRONMENTAL ENTOMOLOGY

    Journals

    ISSN: 0046-225X , eISSN: 1938-2936

  • Environmental history

    Journals

    ISSN: 1084-5453 , eISSN: 1930-8892

  • Environmental Justice

    Journals

    ISSN: 1939-4071 , eISSN: 1937-5174

  • ENVIRONMENTAL MICROBIOLOGY

    Journals

    ISSN: 1462-2912 , eISSN: 1462-2920

  • Environmental Practice

    Journals

    ISSN: 1466-0466 , eISSN: 1466-0474

  • ENVIRONMENTAL FORENSICS

    Journals

    ISSN: 1527-5922 , eISSN: 1527-5930

  • Environmental Sociology

    Journals

    ISSN: 2325-1042

  • Environmental Humanities

    Journals

    ISSN: 2201-1919

  • Environmental Health

    Journals

    ISSN: 1476-069X

  • ENVIRONMENTAL TOXICOLOGY

    Journals

    ISSN: 1520-4081 , eISSN: 1522-7278

  • Environmental Ethics

    Journals

    ISSN: 0163-4275 , eISSN: 2153-7895

  • ENVIRONMENTAL VALUES

    Journals

    ISSN: 0963-2719 , eISSN: 1752-7015

  • Environmental Geotechnics

    Journals

    ISSN: 2051-803X

  • Environmental Geosciences

    Journals

    ISSN: 1075-9565

  • Environmental Evidence

    Journals

    ISSN: 2047-2382

  • Environmental Epigenetics

    Journals

    ISSN: 2058-5888

  • Environmental Epidemiology

    Journals

    eISSN: 2474-7882

  • Environmental Economics

    Journals

    ISSN: 1998-6041 , eISSN: 1998-605X

  • Environmental DNA

    Journals

    eISSN: 2637-4943

  • Environmental Chemistry

    Journals

    ISSN: 0254-6108

  • Environmental Challenges

    Journals

    eISSN: 2667-0100