Search results for: engine faultdetection

• Effect of the absence of clear contractual conditions for the pur-chase of combined heat and power systems through public tenders

  Publication

  • Z. Kneba
  • M. Ziółkowski

  - Combustion Engines - Year 2013

  W artykule przedstawiono dyskusję konsekwencji stosowania różnych podejść do obliczeń kontraktowych parametrów technicznych zespołów kogeneracyjnych. Obliczenia te wykonywane są na potrzeby oferty przygotowywanej w związku z ogłoszeniem przetargu publicznego na zakup siłowni kogeneracyjnej. Brak precyzyjnych zasad określających warunk, i jakie należy przyjąć do wyznaczania parametrów kontraktowych zespołów kogeneracyjnych umożliwia...

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• Diagnosis in the power piston machines

  Publication

  • Z. Kneba
  • R. Fabianowicz
  • M. Śmieja
  • M. Ziółkowski

  - Combustion Engines - Year 2013

  W artykule przedstawiono obecne techniki monitorowania pracy silników i sprężarek dużej mocy. Ze względu na znaczne koszty ewentualnego wyłączenia z ruchu tego typu maszyn są one poddane obserwacji dla przewidywania ewentualnych awarii oraz planowych zatrzymań. Rośnie liczba zaawansowanych systemów pomiarowych z indykowaniem cylindrów. Dawne metody wibroakustyczne zastępowane są pomiarami parametrów procesu termodynamicznego. Słowa...

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• Problemy oszacowania trwałości i niezawodności silników o zapłonie samoczynnym z zastosowaniem teorii procesów semimarkowskich i diagnostyki

  Publication

  • J. Girtler

  - Combustion Engines - Year 2013

  W artykule przestawiono znaczenie trwałości i niezawodności silników o zapłonie samoczynnym w eksploatacji systemów technicznych, w których są zastosowane. Wykazano, że do oszacowania trwałości i niezawodności wspomnianych silników bardziej przydatne są modele opracowane w formie semimarkowskiego procesu zmian stanów technicznych tego rodzaju silników w porównaniu do modeli proponowanych w klasycznej teorii niezawodności. Scharakteryzowano...

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• A PROPOSAL OF A DESCRIPTION OF THE OPERATING CONDITIONS OF DIESEL-ELECTRIC LOCOMOTIVES

  Publication

  • P. Kortas
  • J. Kropiwnicki

  - Combustion Engines - Year 2013

  The paper presents a proposal of a description of the operating conditions of diesel-electric locomotives. The proposal is a result of the operational experience and the analysis of the locomotive operation. It constitutes a significant simplification in relation to the descriptions currently used by domestic carriers. The paper also presents examples of analyses of the operating conditions of locomotives using the proposed method.

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• Model of the hydraulic pump powertrain of refuse collection vehicle compaction mechanism

  Publication

  • J. Czyżewicz
  • J. Kropiwnicki
  • O. Wysocki

  - Combustion Engines - Year 2015

  W pracy przedstawiono symulację pracy układu napędowego pompy hydraulicznej mechanizmu prasującego śmieciarki oraz wpływ różnych konfiguracji elementów składowych tego urządzenia na zużycie paliwa silnika napędowego w warunkach przyjętego cyklu obciążenia. W tym celu wykorzystano model układu napędowego pompy hydraulicznej mechanizmu prasującego śmieciarki w formie grafów wiązań oraz wyniki pomiarów ciśnienia roboczego w siłownikach...

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• Analysis of accumulation possibility of energy dissipated in the braking process of train driven by hybrid locomotive

  Publication

  • P. Kortas
  • J. Kropiwnicki

  - Combustion Engines - Year 2015

  W tradycyjnym procesie hamowania cała energia kinetyczna lub potencjalna pociągu napędzanego lokomotywą z silnikiem spalinowym jest rozpraszana do otoczenia w postaci energii cieplnej. W lokomotywach hybrydowych istnieje możliwość odzyskania części tej energii przez przekazanie jej do akumulatorów i ponowne wykorzystanie do napędu pociągu. W pracy przedstawiono model układu napędowego lokomotywy hybrydowej z silnikiem spalinowym,...

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• Signal filtering method of the fast-varying diesel exhaust gas temperature

  Publication

  • P. Puzdrowska

  - Combustion Engines - Year 2018

  The paper presents the problem of the impact of external distortions originating on laboratory test stands on the results of measurements of fast-varying diesel exhaust gas temperature. It has been stressed how significant the aspect of the test stand adaptation is during an experiment to ensure the smallest possible impact. This paper, however, focuses on the methods of mathematical processing of a signal recorded during experimental...

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• Comparison of energy efficiency of vehicles powered by different fuels

  Publication

  • J. Kropiwnicki

  - Combustion Engines - Year 2012

  Najpopularniejsza metoda oceny efektywności energetycznej pojazdów samochodowych polega na porównywaniu przebiegowego zużycia paliwa osiągniętego w warunkach wybranego testu homologacyjnego. Warunki eksploatacji, zdefiniowane za pomocą przebiegów prędkości w czasie, dotyczą najczęściej tylko dwóch kategorii: jazdy miejskiej i pozamiejskiej. Problemy wynikające z takiego sposobu postępowania zostały omówione na przykładzie analizy...

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• Stereoscopy in Graphics APIs for CAVE Applications

  Publication

  • J. Redlarski
  • R. Trzosowski
  • M. Kowalski
  • B. Kowalski
  • J. Lebiedź

  - Annals of Computer Science and Information Systems - Year 2018

  The paper compares the advantages and disadvantages of a variety of Graphics Application Programming Interfaces (APIs) from the perspective of obtaining stereoscopy in applications written for a CAVE virtual reality environment. A number of problems have been diagnosed and an attempt has been made to solve them using OpenGL, DirectX 11 and 12, Vulkan, as well as the Unity Engine which can internally use DirectX, OpenGL and Vulkan,...

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• Psychometric assessment of the Internet Gaming Disorder diagnostic criteria: An Item Response Theory study

  Publication

  • B. Schivinski
  • M. Brzozowska-Woś
  • E. Buchanan
  • M. D. Griffiths
  • H. M. Pontes

  - Addictive Behaviors Reports - Year 2018

  Internet Gaming Disorder (IGD) has been recognized by the American Psychiatric Association (APA) as a tentative disorder in the latest fifth revision of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5). In order to advance research on IGD, the APA has suggested that further research on the nine IGD criteria to investigate its clinical and empirical feasibility is necessary. The aim of the present study was to develop...

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• Psychometric assessment of the Internet Gaming Disorder diagnostic criteria: An Item Response Theory study

  Publication

  • B. Schivinski
  • M. Brzozowska-Woś
  • E. M. Buchanan
  • M. D. Griffiths
  • H. M. Pontes

  - Year 2018

  Internet Gaming Disorder (IGD) has been recognized by the American Psychiatric Association (APA) as a tentative disorder in the latest fifth revision of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5). In order to advance research on IGD, the APA has suggested that further research on the nine IGD criteria to investigate its clinical and empirical feasibility is necessary. The aim of the present study was to...

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• U wrót wartości wirtualnych - dylematy dydaktyczne. [online] [dostęp: 8.12. **2003], 10 s. bibliogr. 20 poz. Dostępny ze strony World Wide Web: http://www.bg.agh.edu.pl/BG/skrypty/index.html oraz http://winntbog.bg.agh.edu.pl/skrypty/0037/cz6-r54.pdf

  Publication

  • W. Affelt

  - Year 2003

  Dziedzictwo techniki, przemysłu i inżynierii jest integralnym składnikiemdziedzictwa kulturowego. Jego badanie, dokumentowanie, prezentacja i percep-cja wykorzystują technikę informacyjną. Studenci Wydziału Inżynierii Lądowejw ramach przedmiotu ''Kulturotwórcze aspekty budownictwa'' wykorzystują media elektroniczne do realizacji ćwiczeń projektowych.

• INFLUENCE OF DREDGER POWER PLANT TYPE AND DREDGER SIZE ON OUTPUT OF POWER PLANT INSTALLED ON TRAILING SUCTION HOPPER DREDGER

  Publication

  • D. Bocheński

  - Journal of Polish CIMEEAC - Year 2015

  This paper presents results of investigations dealing with influence of parameters characterizing size of suction hopper dredger as well as type of power system on magnitude of total output of combustion engines installed in dredger power plant.

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• Evaluation of Six Degrees of Freedom 3D Audio Orchestra Recording and Playback using multi-point Ambisonic interpolation

  Publication

  • T. Ciotucha
  • A. Rumiński
  • T. Żernicki
  • B. Mróz

  - Scopus - Year 2021

  This paper describes a strategy for recording sound and enabling six-degrees-of-freedom playback, making use of multiple simultaneous and synchronized Higher Order Ambisonics (HOA) recordings. Such a strategy enables users to navigate in a simulated 3D space and listen to the six-degrees-of-freedom recordings from different perspectives. For the evaluation of the proposed approach, an Unreal Engine-based navigable 3D audiovisual...

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• Komparacja układów kombinowanych turbina gazowa - turbina parowa oraz silnik o zapłonie samoczynnym - turbina parowa w pływających elektrowniach morskich

  Publication

  • W. Olszewski

  - Year 2012

  Przedstawiono porównania układów kombinowanych w pływających elektrowniach morskich. Do rozważań przyjęto układ kombinowany turbina gazowa - turbina parowa i porównano go z układem kombinowanych silnik o zapłonie samoczynnym (Marine Diesel Engine). Porównano uzyskane dodatkowe moce, sprawności z wykorzystaniem ciepłą zawartego w spalinach wylotowych z silnika tłokowego lub turbiny gazowej. Przyjęto kilka typów turbin gazowych oraz...

• Interactive Information Search in Text Data Collections

  Publication

  • J. Szymański
  • M. Deptuła
  • H. Krawczyk

  - Year 2013

  This article presents a new idea for retrieving in text repositories, as well as it describes general infrastructure of a system created to implement and test those ideas. The implemented system differs from today’s standard search engine by introducing process of interactive search with users and data clustering. We present the basic algorithms behind our system and measures we used for results evaluation. The achieved results...

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• Comparison of selected off-the-shelf solutions for emotion recognition based on facial expressions

  Publication

  • G. Brodny
  • A. Kołakowska
  • A. Landowska
  • M. Szwoch
  • W. Szwoch
  • M. Wróbel

  - Year 2016

  The paper concerns accuracy of emotion recognition from facial expressions. As there are a couple of ready off-the-shelf solutions available in the market today, this study aims at practical evaluation of selected solutions in order to provide some insight into what potential buyers might expect. Two solutions were compared: FaceReader by Noldus and Xpress Engine by QuantumLab. The performed evaluation revealed that the recognition...

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• Learning and memory processes in autonomous agents using an intelligent system of decision-making

  Publication

  • Z. Kowalczuk
  • M. Czubenko
  • W. Jędruch

  - Year 2016

  This paper analyzes functions and structures of the memory that is an indispensable part of an Intelligent System of Decision-making (ISD), developed as a universal engine for autonomous robotics. A simplified way of processing and coding information in human cognitive processes is modelled and adopted for the use in autonomous systems. Based on such a knowledge structure, an artificial model of reality representation and a model...

• Interactive Application for Visualization of the Basic Phenomena in RF and Microwave Devices

  Publication

  • S. Dziedziewicz
  • M. Jasiński
  • R. Lech
  • P. Kowalczyk

  - Year 2018

  An interactive computer application visualizing the basic phenomena in RF and microwave devices is presented. Such kind of educational package can be a very helpful tool for the students as well as for the teachers (of electronics and related fields). This paper is focused on three exemplary problems only and involves: movement of electric charge, filtering of electromagnetic waves and interference phenomena in antenna arrays. The...

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• Learning and memory processes in autonomous agents using an intelligent system of decision-making

  Publication

  • Z. Kowalczuk
  • M. Czubenko
  • W. Jędruch

  - Year 2016

  This paper analyzes functions and structures of the memory that is an indispensable part of an Intelligent System of Decision-making (ISD), developed as a universal engine for autonomous robotics. A simplified way of processing and coding information in human cognitive processes is modelled and adopted for the use in autonomous systems. Based on such a knowledge structure, an artificial model of reality representation and a model...

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• English, French, and Polish Aliases of Criminals: Diversity of Inspirations in their Creation and Typical Nicknaming Schemes

  Publication

  • P. Golda
  • J. Mężyk

  - Academic Journal of Modern Philology - Year 2021

  The present paper examines the topic of aliases of criminals, which seems to be understudied in linguistic research. Therefore, this article’s primary goal is to describe how criminals’ aliases are created and what are the differences and similarities in that process in English, French, and Polish. Firstly, the theoretical background concerning the topic of pseudonyms is presented. Then, the corpus gathered for this paper (available...

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• Decomposition of the induced magnetism degaussing problem for fast determination of currents in demagnetization coils wrapped outside an object under arbitrary external field conditions

  Publication

  • M. Wołoszyn
  • J. Tarnawski
  • J. Wołoszyn

  - JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS - Year 2023

  Safe passage of ships in the presence of sea mines can be ensured by limiting or reducing the ship’s magnetic footprint. For vessels with plastic hulls, the main component that requires magnetic damping is the engine. Demagnetization of such an object can be achieved by wrapping it with coils and setting the direct current appropriately. For each specific geographic location, the currents in the coils can be determined iteratively...

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• Negative impact of constant RPM control strategy on ship NOx emission in waves

  Publication

  • M. H. Ghaemi
  • H. Zeraatgar

  - International Journal of Energy and Environmental Engineering - Year 2023

  In severe wave conditions, the ship propulsion system is loaded with high fluctuations due to external disturbances. The highly fluctuating loads enforce radical changes in the main engine torque, which in turn demands variation of the fuel rate injected into the cylinders if a constant rotational speed strategy is applied. Therefore, the temperature of gases varies to a large extent during the combustion process in the cylinders....

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• An audio-visual corpus for multimodal automatic speech recognition

  Publication

  • A. Czyżewski
  • B. Kostek
  • P. Bratoszewski
  • J. Kotus
  • M. Szykulski

  - JOURNAL OF INTELLIGENT INFORMATION SYSTEMS - Year 2017

  review of available audio-visual speech corpora and a description of a new multimodal corpus of English speech recordings is provided. The new corpus containing 31 hours of recordings was created specifically to assist audio-visual speech recognition systems (AVSR) development. The database related to the corpus includes high-resolution, high-framerate stereoscopic video streams from RGB cameras, depth imaging stream utilizing Time-of-Flight...

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• DIAGNOSTYKA ŁOŻYSK SILNIKA INDUKCYJNEGO PRZY UŻYCIU POMIARU PRĄDU ZASILAJĄCEGO I WIBRACJI

  Publication

  • T. Ciszewski

  - Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej - Year 2013

  W artykule przedstawione zostały wyniki badań diagnostycznych łożysk silnika indukcyjnego z zastosowaniem metody pomiaru prądu zasilającego oraz wibracji. Poruszone zostały problemy dotyczące poszukiwania nowej metody opartej na pomiarze i analizie prądu, która w znacznym stopniu ułatwiłaby szybkie i sprawne znalezienie uszkodzenia w maszynie, bez konieczności bezpośredniego dostępu do badanego urządzenia. Zaprezentowano rezultaty...

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• AN ENERGY APPROACH TO THE FATIGUE LIFE OF SHIP PROPULSION SYSTEMS

  Publication

  • Z. Korczewski
  • J. Rudnicki

  - Year 2015

  The conducted research investigations aimed to carry out an identification of the constructional materials fatigue state of the ship propulsions’ rotational mechanical units for diagnostic purposes. The fatigue cracks of the elements transmitting mechanical energy streams from the propulsion engines to the ship propellers or to the generators of the ship’s electric power station stand for a primary reason for the secondary, usually...

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• THE VIBRATION BASED DIAGNOSTICS OF SHIP PROPULSION SYSTEMS

  Publication

  • Z. Korczewski
  • J. Rudnicki

  - 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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• Benchmarking Parallel Chess Search in Stockfish on Intel Xeon and Intel Xeon Phi Processors

  Publication

  • P. Czarnul

  - Year 2018

  The paper presents results from benchmarking the parallel multithreaded Stockfish chess engine on selected multi- and many-core processors. It is shown how the strength of play for an n-thread version compares to 1-thread version on both Intel Xeon and latest Intel Xeon Phi x200 processors. Results such as the number of wins, losses and draws are presented and how these change for growing numbers of threads. Impact of using particular...

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• Customization of UWB 3D-RTLS Based on the New Uncertainty Model of the AoA Ranging Technique

  Publication

  • B. Jachimczyk
  • D. Dziak
  • W. J. Kulesza

  - SENSORS - Year 2017

  The increased potential and effectiveness of Real-time Locating Systems (RTLSs) substantially influence their application spectrum. They are widely used, inter alia, in the industrial sector, healthcare, home care, and in logistic and security applications. The research aims to develop an analytical method to customize UWB-based RTLS, in order to improve their localization performance in terms of accuracy and precision. The analytical...

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• Limiting distribution of the three-state semi-Markov model of technical state transitions of ship power plant machines and its applicability in operational decision-making.

  Publication

  • J. Girtler

  - Polish Maritime Research - Year 2020

  The article presents the three-state semi-Markov model of the process {W(t): t 0} of state transitions of a ship power plant machine, with the following interpretation of these states: s1 – state of full serviceability, s2 – state of partial serviceability, and s3 – state of unserviceability. These states are precisely defined for the ship main engine (ME). A hypothesis is proposed which explains the possibility of application...

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• t-SNE Highlights Phylogenetic and Temporal Patterns of SARS-CoV-2 Spike and Nucleocapsid Protein Evolution

  Publication

  • S. Kryzhevich
  • G. Tamazian
  • A. Komissarov
  • E. Stepanov
  • D. Kobak
  • D. Polyakov
  • E. Andronov
  • S. Nechaev
  • Y. Porozov

  - Year 2022

• Enhanced voice user interface employing spatial filtration of signals from acoustic vector sensor

  Publication

  • K. Łopatka
  • J. Kotus
  • P. Bratoszewski
  • P. Spaleniak
  • M. Szykulski
  • A. Czyżewski

  - Year 2015

  Spatial filtration of sound is introduced to enhance speech recognition accuracy in noisy conditions. An acoustic vector sensor (AVS) is employed. The signals from the AVS probe are processed in order to attenuate the surrounding noise. As a result the signal to noise ratio is increased. An experiment is featured in which speech signals are disturbed by babble noise. The signals before and after spatial filtration are processed...

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• Niederschalgswasser-Management in Polen. Aufgaben und organisatorische Strukturen am Beispiel der Stadt Danzig

  Publication

  • Z. Suligowski
  • A. Lang

  - KA: Korrespondenz Abwasser, Abfall : Organ der DWA - Year 2015

  Die wirksame Trennung der Abwasserströme sowie die extrem komplexen räumlichen Bedingungen sind das Hauptproblem der Niederschlagswasserbewirtschaftung in Danzig. In der Stadt gibt es sowohl Berg- als auch Tieflagen. Die bestehende Situation führte zu der Notwendigkeit, eine eigene kommunale Betriebsorganisation zu gründen, die sich um alle Bestandteile der Niederschlagswasserinfrastruktur (Kanäle im Innen- und Außenbereich, Bäche,...

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• Chemistry of the phosphinophosphinidene tBu2P-P, a novel ă-electron ligand.Appl. Organomet. Chem. [online]**2003 vol. 17 [6 December 2002] s. 28-35, 10 rys. bibliogr. 53 poz. Dostępny w Internecie www.interscience.wiley.com Chemia fosfinofosfinidenu tBu2P-P, nowego liganda ă-elektronowego.

  Publication

  • J. Olkowska-Oetzel
  • J. Pikies

  - Year 2003

  Fosfanofosfiniden tBu2P-P w kompleksach z metalami przejściowymi jest z re-guły kompleksowany na sposób hapta-2 i przyjmuje geometrię 1,1-ditertbutyl-difosfenu. W reakcjach z cyklicznymi olefinami związek ten wykazuje właści-wości elektrofilowego singletowego karbenu.

• Distance learning trends: introducing new solutions to data analysis courses

  Publication

  • K. Flisikowski

  - Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej - Year 2021

  Nowadays data analysis of any kind becomes a piece of art. The same happens with the teaching processes of statistics, econometrics and other related courses. This is not only because we are facing (and are forced to) teach online or in a hybrid mode. Students expect to see not only the theoretical part of the study and solve some practical examples together with the instructor. They are waiting to see a variety of tools, tutorials,...

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• BDNF and Cortisol integrative system – Plasticity vs. degeneration: Implications of the Val66Met polymorphism

  Publication

  • G. de
  • E. Gasanov

  - FRONTIERS IN NEUROENDOCRINOLOGY - Year 2019

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• Modeling Study and Performance Investigation of a Thermoelectric Refrigerator

  Publication

  • H. KEPEKÇİ
  • E. KOSA
  • c. ezgi

  - Mühendis ve Makina - Year 2021

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• Changes in Manufacturing Industries- an Empirical Verifiction of the Kaldor-Verdoorn Laws

  Publication

  • M. Olczyk

  - Year 2009

  This paper focus on showing the importance of manufacturing industry for the growth of selected european countries from a kaldorian perspective. the author discusses and testes two (the first and the second) kaldor-verdoorn laws, which state that manufacturing is the engine of growth (the first law) and that exist positive relation between labour productivity and output in manufacturing industries because of increasing returns...

• Thermodynamic Cycles of Air Microturbine Power Plants Working on Biomass Fuels

  Publication

  • K. Kosowski
  • M. Piwowarski
  • R. Stępień
  • W. Włodarski

  - Year 2012

  The gas turbine engine is modified to work as an air turbine set which consists, in the simplest arrangement, of a compressor, a heat exchanger and a turbine. Air is a working medium for both: the compressor and the turbine. This kind of air turbine set can be applied in power plants working on biomass fuels. In this solution we can burn fuels of varying parameters in the external combustion chamber without any harmful effects...

• Rotational Design Space Reduction for Cost-Efficient Multi-Objective Antenna Optimization

  Publication

  • S. Kozieł
  • A. Bekasiewicz

  - Year 2015

  Cost-efficient multi-objective design of antenna structures is presented. Our approach is based on design space reduction algorithm using auxiliary single-objective optimization runs and coordinate system rotation. The initial set of Pareto-optimal solutions is obtained by optimizing a response surface approximation model established in the reduced space using coarse-discretization EM simulation data. The optimization engine is...

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• Diaquadihydroxohexakis(tri-tert-butoxysilanethiolato)octalithium(I)-toluene(1/2). Acta Cryst. Sect. E Struct. Rep. [online]**2002 vol. 58 s. m569-m570 1 rys. 1 tab. bibliogr. 9 poz. Diakwadihydroksoheksakis (tri - tert-butoksysilanotiolano)oktalit(I)-toluen (1/2).

  Publication

  • K. Kazimierczuk
  • J. Chojnacki
  • W. Wojnowski
  • I. Krossing

  - Year 2002

  Praca zawiera opis syntezy i struktury krystalicznej oraz cząsteczkowej ty-tułowego związku. Prezentowana struktura zawiera cząsteczki będące formalnieadduktem o wzorze Li8(SR)6(OH)2(H2O)2 (R=(tBuO)3Si) oraz cząsteczki toluenu.Strukturę wyznaczono stosując rentgenowską analizę strukturalną monokryszta-łu.

• Cluster organization as a form of non-technological innovation

  Publication

  • A. Lis
  • A. M. Kowalski

  - Year 2022

  The paper aims to investigate the relationships that cluster enterprises develop with their environment through participation in cluster organization (CO). The authors report the findings from a qualitative study carried out in the Lubusz Metal Cluster. The main research strategy is case study. An in-depth individual interview was used to collect the data, and qualitative content analysis and coding for its analysis. The study...

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• RSVP-TE as a reservation protocol for optical networks

  Publication

  • S. Kaczmarek
  • M. Młynarczuk
  • M. Waldman

  - Year 2010

  In this paper, we consider the reservation of optical resources problem. We implement extensions for RSVP-TE (Resource ReSerVation Protocol with Traffic Engineering Extension) to achieve the new functionality for optical resources reservation. Based on ASON/GMPLS architecture we examine an open source implementation KOM RSVP-Engine and extend its functionality according to ITU-T and IETF recommendations. The transport plane consists...

• Te use of acoustic emission for assessment of the oil lubricity in a four-ball tester

  Publication

  • P. Bzura

  - Journal of Polish CIMEEAC - Year 2009

  in view of the increased dynamic and temperature load in the compression-ignition engine tribological systems, particular attention is drawn to the problem of such lubrication of the friction nodes that after breaking the boundary layer it could be restored without any wear occurring. therefore, an idea has been devised of introducing to friction nodes, with the lubrication oils, of new substances (operational preparations) modifying...

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• Recognition of hazardous acoustic events employing parallel processing on a supercomputing cluster . Rozpoznawanie niebezpiecznych zdarzeń dźwiękowych z wykorzystaniem równoległego przetwarzania na klastrze superkomputerowym

  Publication

  • K. Łopatka
  • A. Czyżewski

  - Year 2015

  A method for automatic recognition of hazardous acoustic events operating on a super computing cluster is introduced. The methods employed for detecting and classifying the acoustic events are outlined. The evaluation of the recognition engine is provided: both on the training set and using real-life signals. The algorithms yield sufficient performance in practical conditions to be employed in security surveillance systems. The...

• The effects of perceived risk, brand value, and brand trust on eWOM

  Publication

  • M. Brzozowska-Woś

  - Handel Wewnętrzny - Year 2018

  Unrestricted access to the Internet, mobile devices, social applications and offering shopping comment options via online stores and platforms, encourages customers to generate online reviews about brands. That is why it became important to learn about the factors that motivate customers to create electronic word of mouth (eWOM). The survey aimed to check if there are links between perceived brand value, perceived risk, brand trust...

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• Study on AR Application Efficiency of Selected iOS and Android OS Mobile Devices

  Publication

  • M. Zamłyńska
  • A. Lasota
  • G. Debita
  • P. Falkowski-Gilski

  - Year 2022

  Currently, the number of scenarios for using AR (Augmented Reality) tools grows every year. Yet, there are still some open performance issues associated with this technology, related with the efficiency of the mobile device itself, including build-in components or the operation system. The purpose of this study was to investigate available augmented reality engines for mobile platforms. First, a review of current graphics and AR...

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• Big Beautiful Buildings: Eine Schönheit, viele Maßstäbe - urbane Landschaften der Nachkriegsmoderne in Europa / Big Beautiful Buildings: one beauty, many scales - urban landscapes of the post-war modernism across Europe

  Publication

  • I. Mironowicz

  - Year 2019

  Massive urbanization in Europe is not a phenomenon that began only in the 20th century. The roots of this process can be traced back two centuries. With the end of the Second World War the specific conjunction of powerful forces together changed the landscape of European cities. Urbanization was undoubtedly one of them. Among other factors, Musterd and van Kempen (2005) correctly itemized not only objective processes that can be...

• Comparison of induction motor bearing diagnostic test results through vibration and stator current measurement

  Publication

  • T. Ciszewski
  • L. Swędrowski

  - Computer Applications in Electrical Engineering - Year 2013

  The paper discusses results of tests performed by authors, related to the angine bearings diagnostic using vibration and stator current measurements. The paper contains the description of an automatic measurement system, developed for measurement of those harmonics and processing that to obtain bearing diagnostic information. System was tested on objects with intentionally made defects in bearings, results of this test was also...

• Analiza możliwości zastosowania środowiska SCILAB do wspomagania projektowania podsystemów energetycznych statków = Analysis of capability of using SCILAB for adding design of power ship subsystems

  Publication

  • A. Kopczyński
  • R. Arendt

  - Pomiary Automatyka Robotyka - Year 2009

  W artykule przedstawiono koncepcję wykorzystania środowiska symulacyjnego Scilab, modeli matematycznych oraz badań symulacyjnych przy projektowaniu podsystemów energetycznych statku. Zredagowano przykładową strukturę zawierającą model wysokoprężnego silnika oraz model śruby okrętowej. Przedstawione procedury oraz modele matematyczne zostaną włączone do systemu ekspertowego wspomagającego projektowanie statków. This paper deals...

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