Search results for: ROAD RESTRAINT SYSTEM

• Advanced speech archiving and restoration system for aviation applications

  Publication

  • A. Czyżewski
  • J. Kotus
  • A. Kaczmarek
  • A. Rypulak
  • A. Pawlik

  - Year 2005

  W referacie przedstawiono opracowany System Rejestracji I Rekonstrukcji Mowy dla potrzeb lotnictwa. System ten umożliwia jednoczesny zapis, archiwizację i poprawę zrozumiałości sygnału mowy pochodzącego z wielu różnych kanałów komunikacji radiowej. Głównym celem systemu jest rejestracja i rekonstrukcja komunikatów słownych wymienianych drogą radiową pomiędzy pilotem samolotu a stacją kontroli lotów - jest to niezwykle istotne w...

• Internetowy system dydaktyczny typu online judge

  Publication

  • J. Dąbrowski
  • D. Dereniowski
  • R. Janczewski
  • A. Kosowski
  • M. Małafiejski
  • A. Nadolski
  • K. Piwakowski
  • T. Noiński

  - Year 2005

  Omówiony w pracy system typu Online Judge został wykorzystany na przedmiotach związanych z algorytmiką i optymalizacją dyskretną na Wydziale ETI Politechniki Gdańskiej. Najważniejsze funkcje systemu, z punktu widzenia dydaktyki, pozwalają na wykorzystanie go do automatycznej oceny rozwiązań problemów algorytmicznych, jako repozytorium dokumentów (sprawozdań) oraz jako platformę do zarządzania przedmiotem z możliwością kontroli...

• Automatic detection of abandoned luggage employing a dual camera system

  Publication

  • G. Szwoch
  • P. Dalka

  - Year 2010

  A system for automatic detection of events using a system of fixed and PTZ (pan-tilt-zoom) cameras is described. Images from the fixed camera are analyzed by means of object detection and tracking. Event detection system uses a set of rules to analyze data on the tracked moving objects and to detect defined events. A PTZ camera is used to obtain a detailed view of a selected object. A procedure for conversion between the pixel...

• Evolutionary music composition system with statistically modeled criteria

  Publication

  • Z. Kowalczuk
  • M. S. Tatara
  • A. Bąk

  - Advances in Intelligent Systems and Computing - Year 2017

  The paper concerns an original evolutionary music composition system. On the basis of available solutions, we have selected a finite set of music features which appear to have a key impact on the quality of composed musical phrases. Evaluation criteria have been divided into rule-based and statistical sub-sets. Elements of the cost function are modeled using a Gaussian distribution defined by the expected value and variance obtained...

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• Hybrid storage management system consisting of supercapacitors and AHI batteries

  Publication

  • L. Wolski
  • E. Łowiec
  • P. Bogusławski
  • A. Krahel
  • W. Matelski
  • R. Strzelecki

  - Year 2018

  In the article the hybrid storage, composed of Aqueous Hybrid Ion battery and supercapacitor was presented. The system was tested through simulation studies. The work also describes the construction and properties of the developed device meant to control the energy flow of the storage and a communication system for remote parameter supervision.

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• Health outcomes of road-traffic pollution among exposed roadside workers in Rawalpindi City, Pakistan

  Publication

  • M. Ali
  • A. Rashid
  • B. Yousaf
  • A. Kamal

  - HUMAN AND ECOLOGICAL RISK ASSESSMENT - Year 2017

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• Road mortality of pond-breeding amphibians during spring migrations in the Mazurian Lakeland, NE Poland

  Publication

  • M. Brzeziński
  • G. Eliava
  • M. Żmihorski

  - EUROPEAN JOURNAL OF WILDLIFE RESEARCH - Year 2012

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• China’s Belt and Road Initiatives (BRI) in South Asia and Its Policy Challenges to India in the Region

  Publication

  • M. Bharti

  - South Asian Survey - Year 2023

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• Speed, Alcohol and Safety Belts as Important Factors Influencing the Number of Fatalities in Road Accidents in the Voivodships

  Publication

  • J. Wachnicka
  • K. Jamroz

  - Journal of KONBiN - Year 2010

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• The impact of China’s One-Belt One-Road initiative on international trade and global value chains

  Publication

  • Y. Lu
  • J. Wolszczak-Derlacz

  - Asia-Pacific Journal of Accounting & Economics - Year 2024

  This study examines the potential effects of China’s ‘One-Belt One-Road’initiative (OBOR) on trade flows and global value chain (GVC) connections.The empirical analysis is based on the augmented trade gravity model, which comprises 186 economies and 199 of their partners from 2000 to 2018. We also estimate the gravity model for involvement in GVC (domestic value added in intermediate exports, foreign value added in exports, and...

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• Improvement of the load capacity of the road overpass as a result of repairs after breakage caused by vehicle impacts

  Publication

  • M. Miśkiewicz
  • D. Bruski
  • J. Chróścielewski
  • K. Wilde

  - MATEC Web of Conferences - Year 2019

  Damage of spans of the overpass caused by impact of underpassing vehicles are a frequent case. Objects that use prefabricated load-bearing elements that are not designed for such impacts are particularly exposed. After impact, such parts suffer extensive damage that need repair. Taking advantages of this recovery actions it is worth to perform strengthening that will protect object against possible future impacts. In this study...

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• 1D portable optical coherence tomography system

  Publication

  • A. M. Kamińska
  • M. Strąkowski

  - Photonics Letters of Poland - Year 2018

  —Imaging methods are an expanding branch of technology, which involves data acquisition and analysis of images for research and diagnostics. This paper has been devoted to the description of the optical design for a one-dimensional, portable optical coherence tomography (OCT) system. The Mach-Zehnder interferometer has been designed in the presented study. The description of the construction and applied hardware solutions have...

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• Transmitting Alarm Information in DAB+ Broadcasting System

  Publication

  • P. Falkowski-Gilski

  - Year 2018

  The main goal of digital broadcasting is to deliver high-quality content with the lowest possible bitrate. This paper is focused on transmitting alarm information, such as emergency warning and alerting, in the DAB+ (Digital Audio Broadcasting plus) broadcasting system. These additional services should be available at the lowest possible bitrate, in order to provide a clear and understandable voice message to people. Furthermore, additional...

• Analysis of the Impact of Charging Electric Cars on the Power System Load

  Publication

  • W. Stahl
  • P. Bućko

  - Acta Energetica - Year 2019

  The paper presents ways of integrating electric cars with the power system. In connection with this, daily load curves in the average working day have been developed in the G2V (Grid-to-Vehicle) and V2G (Vehicle-to-Grid) variants. The G2V solution consists in unidirectional energy flow from the power system to a vehicle’s battery. The V2G solution consists in bi-directional energy exchange between the power system and electric...

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• Web Based Acoustic Noise Measurement System.

  Publication

  • A. Czyżewski
  • J. Kotus

  - Year 2004

  W referacie przedstawiono projekt multimedialnego systemu przeznaczonego do monitorowania zagrożeń hałasem środowiskowym. Nadrzędnym celem realizowanego projektu jest zwiększenie efektywności profilaktyki chorób słuchu. Opracowywany system umożliwia odbiór, przechowywanie danych, analizę i wizualizację wyników pomiarów hałasu pozyskanych od urządzeń pomiarowych za pośrednictwem Internetu. Przedstawiono również opracowanie miernika...

• Gas sampling system for matrix of semiconductor gas sensors

  Publication

  • G. Jasiński
  • A. Strzelczyk
  • P. A. Kościński

  - IOP Conference Series: Materials Science and Engineering - Year 2016

  Semiconductor gas sensors are popular commercial sensors applied in numerous gas detection systems. They are reliable, small, rugged and inexpensive. However, there are a few problem limiting the wider use of such sensors. Semiconductor gas sensor usually exhibits a low selectivity, low repeatability, drift of response, strong temperature and moisture influence on sensor properties. Sample flow rate is one of the parameters that...

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• Audio content analysis in the urban area telemonitoring system

  Publication

  • P. Żwan
  • P. Sobala
  • P. Szczuko
  • A. Czyżewski

  - Year 2010

  Artykuł przedstawia możliwości rozwinięcie monitoringu miejskiego o automatyczną analizę dźwięku. Przedstawiono metody parametryzacji dźwięku, które możliwe są do zastosowania w takim systemie oraz omówiono aspekty techniczne implementacji. W kolejnej części przedstawiono system decyzyjny oparty na drzewach zastosowany w systemie. System ten rozpoznaje dźwięki niebezpieczne (strzał, rozbita szyba, krzyk) wśród dźwięków zarejestrowanych...

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• Genetic Programming with Negative Selection for Volunteer Computing System Optimization

  Publication

  • J. Balicki
  • W. Korłub
  • H. Krawczyk
  • J. Paluszak

  - Year 2013

  Volunteer computing systems like BOINC or Comcute are strongly supported by a great number of volunteers who contribute resources of their computers via the Web. So, the high efficiency of such grid system is required, and that is why we have formulated a multi-criterion optimization problem for a volunteer grid system design. In that dilemma, both the cost of the host system and workload of a bottleneck host are minimized. On...

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• Hybrid Expert System for Computer-Aided Design of Ship Thruster Subsystems

  Publication

  • A. Kopczyński

  - IEEE Access - Year 2020

  The article presents an expert system supporting the design of ship's power subsystems, in particular the thruster subsystem. The proposed hybrid expert system uses the results of simulation tests as the additional source of knowledge. The results of system operation are collated in a report which can be used as part of ship design description. The work oriented on developing the expert system is the continuation of the research...

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• An interactive system for remote modeling and design validation of hybrid photovoltaic systems

  Publication

  • W. Grzesiak
  • K. Witek
  • E. Klugmann-Radziemska
  • P. Grzesiak

  - Year 2013

  Abstract: A multi-functional demonstrator of the interactive system is presented. The demostrator enables modeling, monitoring and design validation of hybrid photovoltaic systems assisted by fuel cells and thermoelectric generators, as well as experimentation and scientific research. A block diagram of the system is presented and the selection of its components is discussed. Availability of the system via Ethernet or GSM...

• Analog filter design system for field programmable analog array.

  Publication

  • M. Wójcikowski

  - Bulletin of the Polish Academy of Sciences-Technical Sciences - Year 2003

  Obiektowy system do automatycznego projektowania filtrów kaskadowych i symetrycznych filtrów FLF z wykorzystaniem wzmacniaczy transkonuktancyjnych OTACi bloków bikwadratowych z optymalizacją zakresu dynamiki, zniekształceń i wrażliwości. System umożliwia realizację standardowych aproksymacji charakterystyk amplitudowych oraz dowolnie zdefiniowanych przez użytkownika.

• Mobile monitoring system for control of atmospheric air quality

  Publication

  • R. Katulski
  • J. Stefański
  • J. Sadowski
  • S. J. Ambroziak
  • J. Namieśnik
  • W. Wardencki

  - POLISH JOURNAL OF ENVIRONMENTAL STUDIES - Year 2011

  W pracy przedstawiono ruchomy system monitoringu powietrza, który zapewnia możliwość ciągłego pomiaru stężenia takich zanieczyszczeń powietrza jak benzen, tlenek i ditlenek azotu oraz tlenek i ditlenek węgla. Opracowany zestaw pomiarowy może być zainstalowany na rożnych pojazdach (samochód, autobus, ciężarówka).System zbudowany jest z zestawu małych przenośnych jednostek pomiarowych (elektroniczne urządzenia pomiarowe, rejestrator...

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• Research on causes of corrosion in the municipal water supply system

  Publication

  • J. Orlikowski
  • A. Zieliński
  • K. Darowicki
  • S. Krakowiak
  • K. Żakowski
  • P. Ślepski
  • A. Jażdżewska
  • M. Gruszka
  • J. Banas

  - Case Studies in Construction Materials - Year 2016

  This 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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• Remote Spatial Database Access in the Navigation System for the Blind

  Publication

  • K. Drypczewski
  • Ł. Kamiński
  • Ł. Markiewicz
  • B. Wiśniewski
  • A. Stepnowski

  - Year 2013

  The 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...

• Multimodal system for diagnosis and polysensory stimulation of subjects with communication disorders

  Publication

  • A. Kurowski
  • P. Odya
  • P. Szczuko
  • M. Lech
  • P. Spaleniak
  • B. Kostek
  • A. Czyżewski

  - Year 2017

  An experimental multimodal system, designed for polysensory diagnosis and stimulation of persons with impaired communication skills or even non-communicative subjects is presented. The user interface includes an eye tracking device and the EEG monitoring of the subject. Furthermore, the system consists of a device for objective hearing testing and an autostereoscopic projection system designed to stimulate subjects through their...

• MULTI-CRITERIA MODEL IN MULTIFUNCTIONAL BUILDING SYSTEM DESIGN PROCESS

  Publication

  • M. Gerigk

  - Year 2018

  The paper presents a multi-criteria approach in multifunctional building system design process. The aim is to develop a theory relative to the engineering system of multifunctional with a mathematical representation defined by a holistic network for the lifecycle of the designed object. The idea of work was to define the structure of a complex system. Background for the presented field is to develop a design strategy for multifunctional...

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• An Automatic Self-Tuning Control System Design for an Inverted Pendulum

  Publication

  • M. Waszak
  • R. Łangowski

  - IEEE Access - Year 2020

  A control problem of an inverted pendulum in the presence of parametric uncertainty has been investigated in this paper. In particular, synthesis and implementation of an automatic self-tuning regulator for a real inverted pendulum have been given. The main cores of the control system are a swing-up control method and a stabilisation regulator. The first one is based on the energy of an inverted pendulum, whereas the second one...

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• The Selection of Anchoring System for Floating Houses by Means of AHP Method

  Publication

  • E. Miszewska
  • M. Niedostatkiewicz
  • R. Wiśniewski

  - Buildings - Year 2020

  This paper indicates and analyses the use of anchoring systems, such as mooring piles, booms, mooring cables, and deadweight anchors with additional elastic connectors, which are the most frequently applied by the producers of floating houses. The selection of the most advantageous anchoring system is complicated and requires the application of quantitative and qualitative data and methods. This publication presents the results...

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• A Cross-Team Collaborative Evaluation of a CRM System

  Publication

  • M. Sikorski

  - Year 2013

  This paper presents an analysis of an usability evaluation a CRM (Customer Relationship Management) performed by a team composed of external usability experts jointly with a CRM staff. The evaluation process differed from a classical scheme known from former projects, including some new elements resulting from a specific context of this study. These novel elements resulted in reshaping the role of the CRM system and considering...

• Interactive cognitive-behavioural decision making system

  Publication

  • Z. Kowalczuk
  • M. Czubenko

  - LECTURE NOTES IN COMPUTER SCIENCE - Year 2010

  Praca przedstawia wyniki przekształcenia modelu psychologicznego człowieka w interaktywny, poznawczo-behawioralny, system podejmowania decyzji, uwarunkowany zarówno środowiskowo, jak i ze względu na stany spełnienia założonych potrzeb. Model ludzkiej psychologii oparty jest na psychologii poznawczej i psychologii osobowości. Zawiera on emocje, potrzeby i struktury ludzkich procesów poznawczych. Opracowany model i sposób realizacji...

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• Monitoring of the Process of System Information Broadcasting in Time

  Publication

  • P. A. Mironowicz
  • J. Korbicz
  • P. Horodecki

  - PHYSICAL REVIEW LETTERS - Year 2017

  One of the problems of quantum physics is how a measurement turns quantum, noncopyable data, towards copyable classical knowledge. We use the quantum state discrimination in a central system model to show how its evolution leads to the broadcasting of the information, and how orthogonalization and decoherence factors allow us to monitor the distance of the state in question to the one perfectly broadcasting information, in any...

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• A Complete Design of Ship Propellers Using the New Computer System

  Publication

  • T. Koronowicz
  • Z. Krzemianowski
  • T. Tuszkowska
  • J. Szantyr

  - Polish Maritime Research - Year 2009

  Artykuł przedstawia nowy system komputerowy do projektowania śrub okrętowych. Obliczenia oparte są na teorii linii nośnej i teorii powierzchni nośnej. System umożliwia wielokryterialną optymalizację projektu z punktu widzenia sprawności napędowej, własności kawitacyjnych, wytrzymałości skrzydeł oraz poziomu generowanych wymuszeń niestacjonarnych.

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• System pomiaru pola magnetycznego w procesie demagnetyzacji modeli okrętów =System for magnetic field measurement in degaussing process of ships

  Publication

  • K. Jakubiuk
  • D. Świsulski
  • M. Wołoszyn
  • J. Łubkowski

  - Year 2010

  Przedstawiono wybrane problemy związane z budową stanowiska badawczego oraz badaniami nowych metod demagnetyzacji okrętów prowadzonych na modelach. Przedstawiono zautomatyzowany system pomiarowy do badania pola magnetycznego modelu okrętu. Omówiono strukturę i funkcje układu pomiarowego oraz metodę ograniczania błędów wynikających z przemieszczania czujników pomiarowych względem pola magnetycznego. Podano przykładowe wyniki pomiarów.

• Research and Analysis of Accuracy of Location Estimation in Inertial Navigation System

  Publication

  • P. Rajchowski
  • K. Cwalina
  • J. Sadowski

  - Applied Mechanics and Materials - Year 2015

  In the article the research and analysis of digital signal processing and its influence on accuracy of location estimation in developed inertial navigation system was presented. The purpose of the system is to localize moving people in indoor environment. During research a measuring unit for recording selected movement parameters was made. In the article were also described author’s inertial navigation algorithms.

• Heuristic scheduling algorithms for uniform load of computer system

  Publication

  • W. Szcześniak

  - Year 2006

  W pracy zaprezentowano opracowany heurystyczny algorytm szeregowania zadań UNILO (ang. UNIform LOad - jednakowe obciążenie), umożliwiający redukcję całkowitego zapotrzebowania na moc obliczeniową systemu komputerowego bez pogarszania jego wydajności. Algorytm ten realizuje takie przydzielenie zadań obliczeniowych do poszczególnych jednostek (procesorów), aby zapewnić ich jednakowe obciążenie. Opracowany algorytm został zweryfikowany...

• RF Indoor Positioning System Supported by Wireless Computer Vision Sensors

  Publication

  • P. Woźnica
  • M. Tarkowski
  • M. Płotka
  • Ł. Kulas

  - Year 2014

  In this paper the possibility of increase the accuracy of RF fingerprinting indoor tracking system by the use of additional information from simple vision system is examined. As the distances in signal space differs from ones in real environment the ambiguity in decision process of fingerprinting algorithm can occur when set of closest distances between tag and map points in signal space corresponds to big distances differences...

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• System Loss in UWB Off-Body Communications in a Ferry Environment

  Publication

  • K. Cwalina
  • S. J. Ambroziak
  • P. Rajchowski

  - Year 2018

  In this paper, the system loss in UWB off-body communications in a ferry environment based on measurements is presented. A mobile measurement set-up, consisting of WBAN nodes with UWB DWM1000 modules, was used. System loss was split into LOS and NLOS conditions. For the former, the smallest mean value, 24.4 dB, was obtained for the user approaching the fixed terminal, with the antenna on his chest, and the largest, 28.1 dB, for...

• Transmission Quality Measurements in DAB+ Broadcast System

  Publication

  • P. Falkowski-Gilski
  • J. Stefański

  - Metrology and Measurement Systems - Year 2017

  In the age of digital media, delivering broadcast content to customers at an acceptable level of quality is one of the most challenging tasks. The most important factor is the efficient use of available resources, including bandwidth. An appropriate way of managing the digital multiplex is essential for both the economic and technical issues. In this paper we describe transmission quality measurements in the DAB+ broadcast system....

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• Application of method of differential magnetometric system for detection of sunken objects

  Publication

  • M. Wołoszyn

  - INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS - Year 2019

  This paper presents a magnetometric system with scalar sensors mounted on two independent platforms, which is used to detect sunken shipwrecks. Increasing the distance between the sensors allows for more precise measurement of the difference in the magnetic induction module than in the case of sensors mounted e.g. on the aeroplane’s wings. This type of system makes it possible to enlarge detection range of the sunken wrecks.

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• Raman system for monitoring of dye doping to hybrid polymer network

  Publication

  • M. Gnyba
  • M. Keranen

  - Year 2005

  Zrealizowano i przedstawiono system ramanowski do zdalnego monitorowania procesu zol-żel, dedykowany do monitorowania procedury wprowadznia cząstek barwnika do sieci polimeru hybrydowego. System umożliwia wykonywanie pomiarów zdalnych, bez zakłócania i przerywania przebiegu procesu technologicznego. Zademonstrowano i skomentowano wyniki pomiarów dla przykładowego procesu.

• Influence of User Mobility and Antenna Placement on System Loss in B2B Networks

  Publication

  • M. M. Ferreira
  • F. D. Cardoso
  • S. J. Ambroziak
  • L. M. Correia

  - IEEE Access - Year 2022

  In this paper, the influence of user mobility and on-body antenna placement on system loss in body-to-body communications in indoor and outdoor environments and different mobility scenarios is studied, based on system loss measurements at 2.45 GHz. The novelty of this work lies on the proposal of a classification model to characterise the effect of user mobility and path visibility on system loss, allowing to identify the best...

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• Groundwater Quality in the Gdansk Aquifer System

  Publication

  • B. Jaworska-Szulc
  • M. Pruszkowska-Caceres
  • M. Przewłócka

  - Year 2011

  The Gdańsk hydrogeological system consists of three main aquifers: Cretaceous, Paleogene-Neogene and Pleistocene. Chemical composition of groundwater varies between water-bearing beds, although water from Pleistocene and Paleogene-Neogene aquifers shows much similarities. The dominant hydrochemical groundwater types is HCO3-Ca. This type is characteristic for Pleistocene deposits in the Kashubian Lake District where natural chemical...

• System - An International Journal of Educational Technology and Applied Linguistics

  Journals

  ISSN: 0346-251X , eISSN: 1879-3282

• Integrated acoustical-optical system for inventory of hydrotechnical objects

  Publication

  • K. Bikonis
  • J. Krawczyk
  • A. Stepnowski

  - HYDROACOUSTICS - Year 2017

  The knowledge of the location, shape and other characteristics of spatial objects in the coastal areas has a significant impact on the functioning of ports, shipyards, and other waterinfrastructure facilities, both offshore and inland. Therefore, measurements of the underwater part of the waterside zone are taken, which means the bottom of the water and other underwater objects (e.g. breakwaters, docks, etc.), and objects above...

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• The Doppler effect in a bistatic system for determining the position of moving targets

  Publication

  • Z. Ostrowski

  - HYDROACOUSTICS - Year 2014

  The article presents the theoretical analysis and the results of numerical calculations of the Doppler effect it occurs in a system designed to determine the position and speed of a moving target. The transmitter is the source of the signal and it emits a sinusoidal, acoustic and continuous wave. Signal reflected off a moving target is received by four hydrophones. Based on the signals, four Doppler shifts are determined and inserted...

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• Optimization of chip removing system operation in circular sawing machine

  Publication

  • J. Barański
  • M. Jewartowski
  • J. Wajs
  • K. Orłowski
  • T. Pikała

  - Year 2017

  The paper presents the optimization of the wood chips removing system in the sliding table saw. Chips are generated during the cutting of the material. The attention was focused on the upper casing of mentioned system. The methodical experimental studies of the pressure distribution inside the casing during the wood chip removing operation for the selected rotational speed of saw blade with a diameter of 300 mm and 450 mm were...

• Genetic Programming for Workload Balancing in the Comcute Grid System

  Publication

  • J. Balicki
  • W. Korłub
  • J. Paluszak
  • A. Zacniewski

  - Year 2012

  A genetic programming paradigm is implemented for reliability optimization in the Comcute grid system design. Chromosomes are generated as the program functions and then genetic operators are applied for finding Pareto-suboptimal task assignment and scheduling. Results are compared with outcomes obtained by an adaptive evolutionary algorithm.

• Marine autonomous surface ship - control system configuration

  Publication

  • T. Zubowicz
  • K. Armiński
  • A. Witkowska
  • R. Śmierzchalski

  - IFAC-PapersOnLine - Year 2019

  This paper addresses the problem of marine autonomous surface ship (MASS) control. The contribution of the paper is the development of a control system configuration, done assuming fully autonomous MASS operation under distinct operational conditions. The overview of hardware and software selection is included.

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• Compensation of magnetic disturbances caused by sensors in a differential magnetometric system

  Publication

  • K. Jakubiuk
  • M. Wołoszyn
  • M. Chomnicki
  • J. Łubkowski

  - Przegląd Elektrotechniczny - Year 2015

  Study of low magnetic fields necessitates the use of precision magnetometers working in a differential system. Minimization of this error is a substantial issue in the case of magnetometers working in a differential system on a mobile platform. The compensation method of heading error consists in taking measurements of changes in magnetic induction with the use of the tested magnetometer for various locations of the sensor in relation...

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• Concept of the agent system for the information technology evaluation

  Publication

  • A. Ziółkowski
  • C. Orłowski

  - Year 2007

  In this paper the concept of the agent system for the information technology evaluation has been presented. This article includes the concept description and shows abilities of using software tools which can be applicable to implementation and verification of proposed solution. The article is the part of common researches over creation solutions for information technology evaluation which range over using expert's evaluation and...

• Bezprzewodowy ruchomy system monitoringu zanieczyszczeń powietrza

  Publication

  • R. Katulski
  • J. Stefański
  • J. Sadowski
  • K. Szymańska

  - Year 2008

  Zaprezentowano ruchomy system monitoringu, który umożliwia kontrolę zanieczyszczeń powietrza atmosferycznego wzdłuż ciągów komunikacyjnych. W opracowanym systemie stacja monitorująca charakteryzuje się stosunkowo niewielkimi rozmiarami i zawiera układ elektroniczny autorskiego rozwiązania do pomiaru, zapisu i transmisji drogą radiową na serwer www pomierzonych stężeń związków chemicznych. Opracowane rozwiązanie jest stosunkowo...

• System pomiarowo-informacyjny dla urządzenia do mikrotunelingu

  Publication

  • D. Świsulski
  • M. Galewski
  • M. Wołoszyk

  - Year 2005

  Przedstawiono opracowany i wykonany przez autorów system pomiarowy do wizualizacji stanu pracy urządzenia do bezwykopowego wykonywania rurociągów podziemnych. Opisano modułową budowę systemu. Omówiono możliwości rejestracji zmian najważniejszych parametrów w czasie wykonywania tunelu.

• System monitoringu rozdzielnic kampusu Politechniki Gdańskiej

  Publication

  • K. Kwasigroch
  • M. Łukaszewicz
  • I. Mosoń

  - Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej - Year 2020

  W artykule opisano koncepcję, realizację programową oraz stanowisko testowe systemu monitoringu rozdzielnic kampusu Politechniki Gdańskiej. Zaproponowano realizację sprzętową oraz opracowano realizację programową systemu monitoringu rozdzielnic dla dwóch budynków: Gmachu Głównego i Centrum Obsługi Technicznej. Ważną cechą opracowanego rozwiązania jest jego skalowalność, gdyż docelowo system monitoringu będzie obejmował wszystkie...

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• Cache service for maps presentation in distributed information data exchange system

  Publication

  • M. Blok
  • S. Kaczmarek
  • M. Młynarczuk
  • M. Sac

  - Przegląd Telekomunikacyjny + Wiadomości Telekomunikacyjne - Year 2016

  The paper presents the proposition of caches implementation for map presentation in distributed information data exchange system. The concept of cache service is described in the context of distributed information data exchange system elements which control and present on maps positions and other identification data of vessels and other suspicious objects on the territorial sea, sea-coast and the internal sea-waters. The proposed...

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• Control System Design for Dynamic Positioning using Vectorial Backstepping

  Publication

  • A. Witkowska

  - Zeszyty Naukowe Akademii Morskiej w Szczecinie - Year 2013

  The problem of synthesis a dynamic positioning system for low frequency model of surface vessel was considered in this paper. The recursive vectorial backstepping control design was used to keep a fixed position and heading in presence of wave disturbances. The passive observer was introduced to smooth the measurements and to estimate the velocities needed for the control algorithm. The computer simulation results were given to...

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• Methodology of estimating temperature measurement uncertainty in a system for endurance tests.

  Publication

  • A. Golijanek-Jędrzejczyk
  • A. Dzwonkowski
  • L. Rafiński

  - Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej - Year 2017

  The team consisting of the article authors developed a non-invasive method and a system for measuring temperature during an endurance test. A thermocouple which provided the required accuracy of changes in temperature dynamics measurements was used for the purpose of the required research. The paper presents the methodology for estimating uncertainty of temperature measurement done with the presented system, using a method based...

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• MEASUREMENT AND ANALYSIS OF TRANSMISSION LOSSES IN THE SUPPLY SYSTEM OF ELECTRIFIED TRANSPORT

  Publication

  • M. Bartłomiejczyk
  • P. Hołyszko
  • P. Filipek

  - Journal of Ecological Engineering - Year 2016

  The issue of electric energy saving in public transport is currently becoming a key area of interest, a fact connected with both an increase in society’s environmental awareness and a rise in the prices of fuel and electricity. Electricity can be saved by reducing transmission losses in the supply system. The article presents a method of measurement and analysis of transmission losses in the supply system of electrified public transport...

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• Rozproszony system wieloagentowy wspomagający projektowanie wybranych układów Sterowania.

  Publication

  • R. Arendt
  • P. Spychalski

  - Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej - Year 2016

  W artykule przedstawiono system wieloagentowy wspomagający projektowanie wybranych układów sterowania sterami strumieniowymi. Zaimplementowany system składa się z czterech niezależnych programów komputerowych (agentów), które poprzez realizację unikalnych algorytmów oraz wzajemną komunikację dobierają odpowiednią strukturę i elementy układu sterowania oraz po przeprowadzeniu badań symulacyjnych dokonują oceny jakości otrzymanego...

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• Factors determining selection of production planning and control system

  Publication

  • J. Łopatowska

  - Year 2013

  The article contains a comparative characteristics of selected systems of production planning and control, such as: MRP, kanban/JiT, DBR/TOC. The results of the performed analyses served as a basis for determining key market factors related to production planning and control functions, which determine the choice of an appropriate system.

• Asynchroniczny i samoorganizujący się system radiolokalizacyjny - AEGIR

  Publication

  • S. J. Ambroziak
  • R. Katulski
  • J. Sadowski
  • W. Siwicki
  • J. Stefański

  - Zeszyty Naukowe Akademii Marynarki Wojennej - Year 2011

  W 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.

• Universal autonomous control and management system for multipurpose unmanned surface vessel

  Publication

  • A. Stateczny
  • P. Burdziakowski

  - Polish Maritime Research - Year 2019

  The paper presents design, structure and architecture of the Universal Autonomous Control and Management System (UACAMS) for multipurpose unmanned surface vessel. The system was designed, installed and implemented on the multipurpose platform - unmanned surface vessel named HydroDron. The platform is designed to execute hydrographic survey missions with multi-variant configuration of the survey system (payload? ) including multi-beam...

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• Visual Object Tracking System Employing Fixed and PTZ Cameras

  Publication

  • G. Szwoch
  • P. Dalka
  • A. Ciarkowski
  • P. Szczuko
  • A. Czyżewski

  - Intelligent Decision Technologies-Netherlands - Year 2011

  The paper presents a video monitoring system utilizing fixed and PTZ cameras for tracking of moving objects. First type of camera provides image for background modelling, being employed for foreground objects localization. Estimated objects locations are then utilised for steering of PTZ cameras when observing targeted objects with high close-ups. Objects are classified into several classes, then basic event detection is being...

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• Audio-visual surveillance system for application in bank operating room

  Publication

  • J. Kotus
  • K. Łopatka
  • A. Czyżewski
  • G. Bogdanis

  - Communications in Computer and Information Science - Year 2013

  An audio-visual surveillance system able to detect, classify and to localize acoustic events in a bank operating room is presented. Algorithms for detection and classification of abnormal acoustic events, such as screams or gunshots are introduced. Two types of detectors are employed to detect impulsive sounds and vocal activity. A Support Vector Machine (SVM) classifier is used to discern between the different classes of acoustic...

• ASSESSMENT OF NATURAL VENTILATION SYSTEM FOR A TYPICAL RESIDENTIAL HOUSE IN POLAND

  Publication

  • R. Antczak-Jarząbska
  • M. Krzaczek

  - Civil and Environmental Engineering Reports - Year 2016

  The paper presents the research results of field measurements campaign of natural ventilation performance and effectiveness in a residential building. The building is located in the microclimate whose parameters differ significantly in relation to a representative weather station. The measurement system recorded climate parameters and the physical variables characterizing the air flow in the rooms within 14 days of the winter season....

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• System Loss Model for Body Area Networks in Room Scenarios

  Publication

  • M. M. Ferreira
  • F. D. Cardoso
  • S. J. Ambroziak
  • M. Särestöniemi
  • L. M. Correia

  - Year 2023

  This paper presents an analysis of system loss in Body Area Networks for room scenarios, based on a wideband measurement campaign at 5.8 GHz. The measurements were performed with a fixed antenna transmitting vertically and horizontally polarised signals, while the user wears dualpolarised antennas. The average system losses in co- and crosspolarised channels are 41.4 and 42.6 dB for vertically polarised transmitted signals and...

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• Compact and Integrated High-Power Pulse Generation and Forming System

  Publication

  • M. Nowak
  • K. Jakubiuk
  • D. Kowalak
  • M. Pikoń
  • J. Czucha
  • P. Jankowski

  - ENERGIES - Year 2022

  This paper presents comprehensive analytical, numerical and experimental research of the compact and integrated high-power pulse generation and forming system based on the flux compression generator and the electro-explosive forming fuse. The paper includes the analysis of the presented solution, starting from the individual components studies, i.e., the separate flux compression generator tests in field conditions and the forming...

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• Kid car seat with innovative seat belts system

  Publication

  • B. Zdunek

  - Year 2009

  Zaprezentowano fotelik samochodowy do przewozu dzieci. Omówiono proces projektowania, badania i wdrożenia do produkcji tego fotelika. Przedstawiono innowacyjny system pasów bezpieczństwa zastosowany w tym foteliku. Podano wyniki prób zderzeniowych, którym poddany był ten fotelik.

• The structure of the control system for a dynamically positioned ship

  Publication

  • R. Śmierzchalski

  - Year 2016

  The article discusses functions and tasks of dynamic positioning (DP) systems for ships. The analysed issues include ship steering, in particular stabilisation of ship position and direction of motion (real course) at low manoeuvring speeds, and commonly used DP ship models. Requirements imposed by classification societies on DP ships are quoted. A multi-layer structure of the DP control system is presented, with special attention...

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• A prototype femtosecond laser system for MEMS fabrication

  Publication

  • K. Garasz
  • M. Kocik
  • R. Barbucha
  • M. Tański
  • J. Mizeraczyk
  • M. Nejbauer
  • C. Radzewicz

  - Year 2013

  n this article, the concept of a prototype femtosecond laser micromachining system and a femtosecond solid-state Yb:KYW laser is presented. Ultrashort laser pulses have many advantages over the long pulses in laser micromachining, due to their unique ability to interact with different materials without transferring heat to them. This allows very precise and pure laser-processing, clean cuts and sharp edges. A femtosecond laser...

• Komputerowy system pomiarowy do diagnostyki łożysk

  Publication

  • A. Dzwonkowski

  - Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej - Year 2014

  W artykule przedstawiono komputerowy system do diagnostyki łożysk silników indukcyjnych metodą pomiaru i analizy mocy chwilowej pobieranej przez badane maszyny. Do realizacji oprogramowania systemu pomiarowego wybrano środowisko programowania w języku graficznym LabVIEW. Opracowane oprogramowanie umożliwia analizę, archiwizację i wizualizację danych uzyskanych z pomiarów mocy chwilowej, pobieranej przez badane silniki indukcyjne,...

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• System kształtowania powiązań klientów z przedsiębiorstwem.

  Publication

  • J. Grabosz

  - Year 2002

  Celem artykułu jest próba zaprezentowania systemu kształtowania związków klienta z przedsiębiorstwem. Wzrost konkurencji powoduje, iż coraz częściej mam do czynienia z rynkami nasyconymi. Na takich rynkach istotne są umiejętności organizowania długookresowych związków z klientami. Nowe podejście do koncepcji relacji z klientami oraz nowa technologia, stwarzają możliwości w skutecznym kreowaniu związków z klientami opartymi na...

• Speech recognition system for hearing impaired people.

  Publication

  • P. Dalka
  • A. Czyżewski

  - Year 2005

  Praca przedstawia wyniki badań z zakresu rozpoznawania mowy. Tworzony system wykorzystujący dane wizualne i akustyczne będzie ułatwiał trening poprawnego mówienia dla osób po operacji transplantacji ślimaka i innych osób wykazujących poważne uszkodzenia słuchu. Active Shape models zostały wykorzystane do wyznaczania parametrów wizualnych na podstawie analizy kształtu i ruchu ust w nagraniach wideo. Parametry akustyczne bazują na...

• Distributed System For Noise Threat Evaluation Based On Psychoacoustic Measurements

  Publication

  • J. Kotus
  • M. Szczodrak
  • A. Czyżewski
  • B. Kostek

  - Metrology and Measurement Systems - Year 2012

  An innovative system designed for the continuous monitoring of acoustic climate of urban areas was presentedin the paper. The assessment of environmental threats is performed using online data, acquired through a grid ofengineered monitoring stations collecting comprehensive information about the acoustic climate of urban areas.The grid of proposed devices provides valuable data for the purpose of long and short time acoustic climateanalysis....

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• Superkomputerowy system identyfikacji pojazdów na podstawie numerów rejestracyjnych

  Publication

  • A. Sobecki
  • M. Downar

  - Przegląd Telekomunikacyjny + Wiadomości Telekomunikacyjne - Year 2013

  Opisano sposób identyfikacji pojazdów na podstawie numerów rejestracyjnych. Scharakteryzowano etapy identyfikacji i wymieniono algorytmy stosowane w ramach implementacji rozwiązania ESIP (Elektroniczny System Identyfikacji Pojazdów). Skuteczność zastosowanych algorytmów porównano z innymi rozwiązaniami dostępnymi na rynku. Opisano wdrożenie rozwiązania na superkomputerze GALERA. System ESIP umożliwia skuteczną identyfikację pojazdów...

• Ground-based, Hyperbolic Radiolocation System with Spread Spectrum Signal - AEGIR

  Publication

  • S. J. Ambroziak
  • R. Katulski
  • J. Sadowski
  • W. Siwicki
  • J. Stefański

  - Year 2011

  The most popular radiolocation systems in the world (at present), is the American GPS (Global Positioning System). It is managed by the Department of Defense and there is always the possibility of the occasional inaccuracies or deliberate introduction of errors that prevent its use by the special services or armies of other countries than the U.S.A. This situation has spawned the need to develop an autonomous, ground-based radiolocation...

• Multimedia polysensory integration training system dedicated to children with educational difficulties

  Publication

  • M. Lech
  • B. Kostek
  • A. Czyżewski

  - JOURNAL OF INTELLIGENT INFORMATION SYSTEMS - Year 2016

  This paper aims at presenting a multimedia system providing polysensory train- ing for pupils with educational difficulties. The particularly interesting aspect of the system lies in the sonic interaction with image projection in which sounds generated lead to stim- ulation of a particular part of the human brain. The system architecture, video processing methods, therapeutic exercises and guidelines for children’s interaction...

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• Reference FEM model for SHM system of cable-stayed bridge in Rzeszów

  Publication

  • A. Kuryłowicz-Cudowska
  • M. Miśkiewicz
  • B. Meronk
  • Ł. Pyrzowski
  • K. Wilde

  - Year 2016

  The paper presents the references model for structural health monitoring system (SHM) of cable-stayed bridge recently constructed in Rzeszów over Wisłok River. The SHM system is design to provide on-line information on the structure state and facilitate its maintenance procedures. The main feature of the SHM system is permanent observation of the dynamic behavior of the bridge with focus on cable vibrations. The paper discusses...

• Designing issues of the alarm system in context of functional safety and human factors

  Publication

  • K. Kosmowski

  - Journal of Polish Safety and Reliability Association, Summer Safety and Reliability Seminars - Year 2015

  This article addresses selected aspects of the alarm system and human factors that should be evaluated during the design and operation of an industrial hazardous installation. In such installations the layer of protection analysis (LOPA) methodology is often applied for simplified risk analysis based on defined accident scenarios. To reduce and control the risks the safety instrumented functions (SIFs) are identified and their...

• Carbon dioxide potential reduction using Start-Stop system in a car

  Publication

  • J. Kropiwnicki
  • Z. Kneba

  - Key Engineering Materials - Year 2014

  Operating fuel consumption increases significantly when the vehicle stops frequently while driving or when the engine is idling during braking. In such cases, the internal combustion engine consumes the fuel but the mechanical energy is not used by the drive system. The amount of fuel that is consumed in this time by the engine can potentially be saved if the car is equipped with a Stop-Start system. Start-Stop system automatically...

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• Autonomiczny, naziemny i samoorganizujący się system radiolokalizacyjny

  Publication

  • S. J. Ambroziak
  • R. Katulski
  • J. Sadowski
  • W. Siwicki
  • J. Stefański

  - Year 2010

  W niniejszym artykule przedstawiono opis budowy i działania demonstratora technologicznego autonomicznego, naziemnego system radiolokalizacyjnego, który został opracowany w Politechnice Gdańskiej. Przedstawiono wstępne wnioski oraz analizę efektywności jego działania. Zostały również opisane podstawowe elementy budowy tego systemu.

• System Transportu Ładunków Masowych (S), STW, sem. 5, zimowy 21/22 (O:09980)

  e-Learning Courses

  • E. Wojtowicz

• System Transportu Ładunków Masowych (S), STW, sem. 5, zimowy 22/23 (O:09980)

  e-Learning Courses

  • E. Wojtowicz

• Internet-based automatic hearing assessment system

  Publication

  • A. Czyżewski
  • B. Kostek
  • H. Skarzyński

  - Year 2005

  Celem referatu jest prezentacja systemu przesiewowego badania słuchu w oparciu o Internet. Wady słuchu stanowią jedną z najszybciej postępujących chorób we współczesnym społeczeństwie. W tym kontekście ważne staje się umożliwienie przeprowadzania masowych testów wykrywających ubytki słuchu. Przedstawiona aplikacja zawiera audiometryczny test tonalny, test ilustrowany dla dzieci oraz test rozumienia mowy w szumie. Po zakończeniu...

• Review on the quality of sediments from the stormwater drainage system in the urban area

  Publication

  • N. Nawrot
  • E. Wojciechowska

  - Year 2017

  The main task of the stormwater drainage system is a safe drainage of rainwater and snowmelt from the urban area to the receiver. The flow of rain water in the drainage pipes is directly related with the formation of sediments in the whole stormwater system. In addition, pollutants from land runoff get adsorbed to the sediments. The sludge is mainly formed in those elements of stormwater drainage system, wherein the flow conditions...

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• Portable computer measurement system of machine tools in wood industry

  Publication

  • K. Orłowski
  • J. Kapcia
  • R. Wasielewski

  - Year 2005

  W pracy przedstawiono przenośny system diagnostyczny przeznaczony do oceny pracy obrabiarek skrawających i urządzeń przemysłu drzewnego. Ocena procesu obróbczego odbywa się na podstawie pomiaru wielkości mechanicznych, takich jak: prędkość obrotowa , przemieszczenia oraz przyspieszenia. Korzystanie z programów komputerowych, w które system jest wyposażony, pozwala użytkownikowi maszyn na przeprowadzanie szczegółowych analiz, dzięki...

• Energy Management for PV Powered Hybrid Storage System in Electric Vehicles Using Artificial Neural Network and Aquila Optimizer Algorithm

  Publication

  • N. Narasimhulu
  • R. S. R. Krishnam Naidu
  • P. Falkowski-Gilski
  • P. B. Divakarachari
  • U. Roy

  - ENERGIES - Year 2022

  In an electric vehicle (EV), using more than one energy source often provides a safe ride without concerns about range. EVs are powered by photovoltaic (PV), battery, and ultracapacitor (UC) systems. The overall results of this arrangement are an increase in travel distance; a reduction in battery size; improved reaction, especially under overload; and an extension of battery life. Improved results allow the energy to be used efficiently,...

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• Innovative method of localization airplanes in VCS (VCS-MLAT) distributed system

  Publication

  • S. Wiszniewski

  - Year 2019

  The article presents the concept and the structure of the localization module. The prototype module is the part of the VCS (VCS-MLAT) localization distributed system. The device receives the audio signal transmitted in airplanes band (118 MHz – 136 MHz). Received data with the timestamps are send to the main server. The data from multiple devices estimates the localization of the airplane. The main aim of the project is the analysis...

• Data Acquisition in a Manoeuver Auto-negotiation System

  Publication

  • J. Szłapczyńska

  - TransNav - The International Journal on Marine Navigation and Safety of Sea Transportation - Year 2015

  Typical approach to collision avoidance systems with artificial intelligence support is that such systems assume a central communication and management point (such as e.g. VTS station), usually located on shore. This approach is, however, not applicable in case of an open water encounter. Thus, recently a new approach towards collision avoidance has been proposed, assuming that all ships in the encounter, either restricted or open...

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• Potentiometric Solid-Contact Multisensor System for Simultaneous Measurement of Several Ions

  Publication

  • A. Jasiński
  • M. Urbanowicz
  • M. Guziński
  • M. Bocheńska
  • M. Guzinski

  - ELECTROANALYSIS - Year 2015

  The design and performance of potentiometric multisensor system made in solid-contact technology is described. Both, the measuring electrodes as well as the reference electrode are in a compact cell. The system allows for simultaneous measurement of various ions. The characteristics of the electrodes for Na+, K+ and Ca2+ ions were determined using the designed system and compared with ISEs of the same membrane composition in classical...

• Utility analysis and rating of energy storages in trolleybus power supply system

  Publication

  • M. Bartłomiejczyk
  • L. Jarzębowicz

  - Year 2020

  The article discusses two energy storage applications in power supply system of public electrified transport. The first application aims at reducing the peak power of the traction substation. The second application increases effectiveness of using solar power plant to cover partial power demand of traction supply system. These two applications were discussed and analyzed based on trolleybus supply system in Gdynia, where most measurements...

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• System dostępu bezprzewodowego WiMAX - charakterystyka interfejsu radiowego

  Publication

  • A. Jaszcza
  • D. Rutkowski

  - Year 2005

  W referacie przedstawiono nowy system szerokopasmowego dostępu bezprzewodowego WiMAX stworzony na bazie standardu IEEE 802.16. Omówiono proces tworzenia standardu i stan zaawansowania prac nad wdrożeniem systemu. Przedstawiono ogólną charakterystykę systemu oraz bardziej szczegółowy opis warstwy fizycznej opartej na interfejsie radiowym OFDM

• Dedicated Geographical Information System in the context of Critical Infrastructure Protection

  Publication

  • M. Kulawiak
  • K. Bikonis
  • A. Stepnowski

  - Year 2008

  Nowe zaawansowane narzędzia Technologii Informacyjnych i Komunikacyjnych mogą stanowić bardzo użyteczną pomoc podczas przewidywania różnego rodzaju zagrożeń jak również minimalizacji związanego z nimi ryzyka. Artykuł prezentuje Sieciowy System Informacji Przestrzennej dla Szacowania i Wizualizacji Infrastruktur Krytycznych i ich Zagrożeń, stworzony dla Urzędu Miejskiego w Gdańsku przez Politechnikę Gdańską. System ten jest przeznaczony...

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• Warstwowy system zabezpieczeń w przemysłowych instalacjach podwyższonego ryzyka

  Publication

  • K. Kosmowski

  - Year 2015

  Rozdział poświęcono aktualnym zagadnieniom analizy i projektowania warstw zabezpieczeń w kontekście oceny ryzyka i zarządzania bezpieczeństwem funkcjonalnym w cyklu życia z wyróżnieniem trzech warstw: (1) podstawowego systemu sterowania BPCS (basic process control system), (2) człowieka-operatora korzystającego opcjonalnie z systemu alarmowego AS (alarm system) oraz (3) przyrządowego systemu bezpieczeństwa SIS (safety instrumented...

• A Complete Design of Ducted Propellers Using the New Computer System

  Publication

  • T. Koronowicz
  • Z. Krzemianowski
  • T. Tuszkowska
  • J. Szantyr

  - Polish Maritime Research - Year 2009

  Artykuł przedstawia nowy system komputerowy do projektowania okrętowych układów napędowych dysza-śruba. Obliczenia oparte są na teorii linii nośnej, teorii powierzchni nośnej oraz na wynikach oryginalnych badań eksperymentalnych. System umożliwia optymalizację ukadu dysza-śruba z punktu widzenia maksymalnej sprawności napędowej, wytrzymałości, charakterystyk kawitacyjnych i poziomu wymuszeń niestacjonarnych. Przykład obliczeniowy...

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• PHASE OBJECT OBSERVATION SYSTEM BASED ON DIFFRACTION PHASE MICROSCOPY

  Publication

  • S. Babicz-Kiewlicz
  • B. Stawarz-Graczyk
  • P. Wierzba

  - Metrology and Measurement Systems - Year 2018

  In the paper authors present a special measurement system for observing phase objects. The diffraction phas microscopy makes it possible to measure the dimensions of a tested object with a nanometre resolution. To meet this requirement, it is proposed to apply a spatial transform. The proposed setup can be based either on a two lenses system (called 4 f ) or a Wollaston prism. Both solutions with all construction aspects are described...

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• Optoelectronic system for monitoring of thin diamond layers growth

  Publication

  • R. Bogdanowicz
  • M. Gnyba
  • P. Wroczyński
  • B. Kosmowski

  - JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS - Year 2010

  Development of the optoelectronic system for monitoring of diamond/DLC (Diamond-Like-Carbon) thin films growth during mu PA ECR CVD (Microwave Plasma Assisted Electron Cyclotron Resonance Chemical Vapour Deposition) process is described. The multi-point Optical Emission Spectroscopy (OES) and Raman spectroscopy were employed as non-invasive optoelectronic tools. Dissociation of H-2 molecules, excitation and ionization of hydrogen...

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• Operating system security by integrity checking and recovery using write-protected storage

  Publication

  • J. Kaczmarek
  • M. Wróbel

  - IET Information Security - Year 2014

  The paper presents an Integrity Checking and Recovery (ICAR) system which protects file system integrity and automatically restores modified files. The system enables files cryptographic hashes generation and verification, as well as configuration of security constraints. All of the crucial data, including ICAR system binaries, file backups and hashes database are stored in a physically write protected storage to eliminate the...

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• Arm EMG Wavelet-Based Denoising System

  Publication

  • D. Gradolewski
  • P. Tojza
  • J. Jaworski
  • D. Ambroziak
  • G. Redlarski
  • M. Krawczuk

  - Year 2015

  These paper presents research results of muscle EMG signal denoising. In the same time two muscles were examined - an adductor muscle (biceps brachii) and an abductor muscle (tricpeps brachii). The EMG signal was filtered using the wavelet transform technique, having selected the crucial parameters as: wavelet basis function (Daubechies 4), 10 th decomposition level, threshold selection algorithm (Heurestic) and a sln rescaling...

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• NetBaltic System-Heterogenous Wireless Network for Maritime Communications

  Publication

  • M. Hoeft
  • K. Gierłowski
  • J. Rak
  • J. Woźniak

  - Polish Maritime Research - Year 2018

  In case of maritime communications, we observe a growing interest in deployment of multitask satellite-based solutions and development of new maritime-specific systems intended for improvements in safety of e-navigation. Analysis of different types of currently used maritime communication systems leads, however, to a conclusion that neither global and still very expensive satellite systems nor cheaper, but short-ranged transmission...

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• ALLYING SYSTEM THINKING AND SET OF EXPERIENCE KNOWLEDGE STRUCTURE

  Publication

  • B. Kucharski
  • E. Szczerbicki

  - Year 2013

  The approach of system thinking is completely different from traditional forms of analysis. Even the ancient meaning of word analysis is “a breaking up”. Set of Experience Knowledge Structure is an atomic record of decision event that can be grouped together and form some form of decision DNA of an organization. The question that this paper is trying to answer in how those concepts can be merged.