Wyniki wyszukiwania dla: INSTRUMENTS AND MEASUREMENT SYSTEMS

• Validation of Services Supporting Healthcare Standards Conformance

  Publikacja

  • J. Górski
  • A. Jarzębowicz
  • J. Miler

  - Metrology and Measurement Systems - Rok 2012

  The paper presents the results of experimental validation of a set of innovative software services supporting processes of achieving, assessing and maintaining conformance with standards and regulations. The study involved several hospitals implementing the Accreditation Standard promoted by the Polish Ministry of Health. First we introduce NOR-STA services that implement the TRUST-IT methodology of argument management. Then we...

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• Evaluation of multimedia applications in a cluster oriented environment

  Publikacja

  • H. Krawczyk
  • P. Czarnul
  • T. Dziubich

  - Metrology and Measurement Systems - Rok 2012

  In the age of Information and Communication Technology (ICT), Web and the Internet have changed significantly the way applications are developed, deployed and used. One of recent trends is modern design of web-applications based on SOA. This process is based on the composition of existing web services into a single scenario from the point of view of a particular user or client. This allows IT companies to shorten product time-to-market....

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• Measurements of OF QoS/QoE parameters for media streaming in a PMIPv6 TESTBED WITH 802.11 b/g/n WLANs

  Publikacja

  • M. Hoeft
  • K. Gierłowski
  • T. Gierszewski
  • J. Konorski
  • K. Nowicki
  • J. Woźniak

  - Metrology and Measurement Systems - Rok 2012

  A growing number of mobile devices and the increasing popularity of multimedia services result in a new challenge of providing mobility in access networks. The paper describes experimental research on media (audio and video) streaming in a mobile IEEE 802.11 b/g/n environment realizing network-based mobility. It is an approach to mobility that requires little or no modification of the mobile terminal. Assessment of relevant parameters...

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• Characterization of Optical and Electrical Properties of Transparent Conductive Boron-Doped Diamond thin Films Grown on Fused Silica

  Publikacja

  • R. Bogdanowicz

  - Metrology and Measurement Systems - Rok 2014

  A conductive boron-doped diamond (BDD) grown on a fused silica/quartz has been investigated. Diamond thin films were deposited by the microwave plasma enhanced chemical vapor deposition (MW PECVD). The main parameters of the BDD synthesis, i.e. the methane admixture and the substrate temperature were investigated in detail. Preliminary studies of optical properties were performed to qualify an optimal CVD synthesis and film parameters...

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• Portable exhaled breath analyzer employing fluctuation-enhanced gas sensing method in resistive gas sensors

  Publikacja

  • A. Kwiatkowski
  • T. Chludziński
  • J. Smulko

  - Metrology and Measurement Systems - Rok 2018

  This paper presents a portable exhaled breath analyser, developed to detect selected diseases. The set-up employs resistive gas sensors: commercial MEMS sensors and prototype gas sensors made of WO3 gas sensing layers doped with various metal ingredients. The set-up can modulate the gas sensors by applying UV light to induce physical changes of the gas sensing layers. The sensors are placed in a tiny gas chamber of a volume...

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• DIAGNOSIS OF MALIGNANT MELANOMA BY NEURAL NETWORK ENSEMBLE-BASED SYSTEM UTILISING HAND-CRAFTED SKIN LESION FEATURES

  Publikacja

  • M. Grochowski
  • A. Mikołajczyk-Bareła
  • A. Kwasigroch

  - Metrology and Measurement Systems - Rok 2019

  Malignant melanomas are the most deadly type of skin cancer but detected early have high chances for successful treatment. In the last twenty years, the interest of automated melanoma recognition detection and classification dynamically increased partially because of public datasets appearing with dermatoscopic images of skin lesions. Automated computer-aided skin cancer detection in dermatoscopic images is a very challenging task...

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• Computationally efficient two-objective optimization of compact microwave couplers through corrected domain patching

  Publikacja

  • S. Kozieł
  • A. Bekasiewicz

  - Metrology and Measurement Systems - Rok 2018

  Finding an acceptable compromise between various objectives is a necessity in the design of contemporary microwave components and circuits. A primary reason is that most objectives are at least partially conflicting. For compact microwave structures, the design trade-offs are normally related to the circuit size and its electrical performance. In order to obtain comprehensive information about the best possible trade-offs, multi-objective...

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• MACHINE LEARNING SYSTEM FOR AUTOMATED BLOOD SMEAR ANALYSIS

  Publikacja

  • M. Grochowski
  • M. Wąsowicz
  • A. Mikołajczyk-Bareła
  • M. Ficek
  • M. Kulka
  • M. Wróbel
  • M. Szczerska

  - Metrology and Measurement Systems - Rok 2019

  In this paper the authors propose a decision support system for automatic blood smear analysis based on microscopic images. The images are pre-processed in order to remove irrelevant elements and to enhance the most important ones - the healthy blood cells (erythrocytes) and the pathologic (echinocytes). The separated blood cells are analyzed in terms of their most important features by the eigenfaces method. The features are the...

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• A random signal generation method for microcontrollers with DACs

  Publikacja

  • Z. Czaja
  • M. Kowalewski

  - Metrology and Measurement Systems - Rok 2018

  A new method of noise generation based on software implementation of a 7-bit LFSR based on a common polynomial PRBS7 using microcontrollers equipped with internal ADCs and DACs and a microcontroller noise generator structure are proposed in the paper. Two software applications implementing the method: written in ANSI C and based on the LUT technique and written in AVR Assembler are also proposed. In the method the ADC results are...

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• Metrological analysis of precision of the system of delivering a water capsule for explosive production of water aerosol

  Publikacja

  • G. Śmigielski
  • W. Toczek
  • R. Dygdała
  • K. Stefański

  - Metrology and Measurement Systems - Rok 2016

  In this paper an analysis of precision of the system controlling delivery by a helicopter of water-capsule designed for extinguishing large scale fires is presented. The analysis was performed using the numerical method of distribution propagation (Monte Carlo method) supplemented with results of application of the uncertainty propagation method. In addition the optimum conditions for the airdrop are determined to ensure achievement...

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• Histogram of Oriented Gradients with Cell Average Brightness for Human Detection

  Publikacja

  • M. Wójcikowski

  - Metrology and Measurement Systems - Rok 2016

  A modification of the descriptor in a human detector using Histogram of Oriented Gradients (HOG) and Support Vector Machine (SVM) is presented. The proposed modification requires inserting the values of average cell brightness resulting in the increase of the descriptor length from 3780 to 3908 values, but it is easy to compute and instantly gives ≈ 25% improvement of the miss rate at 10‒4 False Positives Per Window (FPPW). The...

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• A High-Efficient Low-Voltage Rectifier for CMOS Technology

  Publikacja

  • W. Jendernalik
  • J. Jakusz
  • G. Blakiewicz
  • M. Kłosowski

  - Metrology and Measurement Systems - Rok 2016

  A new configuration of rectifier suiting CMOS technology is presented. The rectifier consists of only two nchannel MOS transistors, two capacitors and two resistors; for this reason it is very favourable in manufacturing in CMOS technology. With these features the rectifier is easy to design and cheap in production. Despite its simplicity, the rectifier has relatively good characteristics, the voltage and power efficiency, and...

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• Detection of gaseous compounds with different techniques

  Publikacja

  • J. Mikołajczyk
  • Z. Bielecki
  • T. Stacewicz
  • J. Smulko
  • J. Wojtas
  • D. Szabra
  • Ł. Lentka
  • A. Prokopiuk
  • P. Magryta

  - Metrology and Measurement Systems - Rok 2016

  Sensing technology has been developed for detection of gases in some environmental, industrial, medical, and scientific applications. The main tasks of these works is to enhance performance of gas sensors taking into account their different applicability and scenarios of operation. This paper presents the descriptions, comparison and recent progress in some existing gas sensing technologies. Detailed introduction to optical sensing...

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• Measures for Evaluation of Structure and Semantics of Ontologies

  Publikacja

  • W. Waloszek

  - Metrology and Measurement Systems - Rok 2012

  Artykuł przedstawia zagadnienie miar jakości ontologii ze szczególnym uwzględnieniem ich podziału na syntaktyczne (strukturalne) i semantyczne. Na tym tle przedstawione jest nowe podejście do pomiaru właściwości semantycznych ontologii bazujące na kartografii wiedzy.

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• Transmission Protocol Simulation Framework For The Resource-Constrained Wireless Sensor Network

  Publikacja

  • M. Wójcikowski

  - Metrology and Measurement Systems - Rok 2015

  In this paper a prototype framework for simulation of wireless sensor network and its protocols are presented. The framework simulates operation of a sensor network with data transmission, which enables simultaneous development of the sensor network software, its hardware and the protocols for wireless data transmission. An advantage of using the framework is converging simulation with the real software. Instead of creating...

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• Determination Of Gas Mixture Components Using Fluctuation Enhanced Sensing And The LS-SVM Regression Algorithm

  Publikacja

  • Ł. Lentka
  • J. Smulko
  • R. Ionescu
  • C. G. Granqvist
  • L. B. Kish

  - Metrology and Measurement Systems - Rok 2015

  This paper analyses the effectiveness of determining gas concentrations by using a prototype WO3 resistive gas sensor together with fluctuation enhanced sensing. We have earlier demonstrated that this method can determine the composition of a gas mixture by using only a single sensor. In the present study, we apply Least-Squares Support-Vector-Machine-based (LS-SVM-based) nonlinear regression to determine the gas concentration...

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• Spatial sensitivity to the conductivity changes of a four electrode probe.

  Publikacja

  • J. Wtorek

  - Metrology and Measurement Systems - Rok 2003

  W artykule rozważana jest czułość przestrzenna, czteropunktowej, liniowej sondy na zmiany przewodności zachodzące w badanym materiale. Otrzymane wyniki wskazują, że czułość może być zarówno dodatnia i ujemna, tzn. wzrost przewodności może prowadzić zarówno do wzrostu lub do spadku mierzonej impedancji. W artykule rozważane są materiały zarówno izotropowe jak i anizotropowe. Uzyskane wyniki pozwalają wyjaśnić dlaczego niektóre...

• O działalności Komitetu Metrologii i Aparatury Naukowej Polskiej Akademii Nauk w roku 2002

  Publikacja

  • E. Ratajczyk
  • R. Zielonko
  • J. Tomasik

  - Metrology and Measurement Systems - Rok 2003

  Przedstawiono skład osobowy oraz struktury działalności Komitetu Metrologii Aparatury Naukowej PAN. Opisano bardziej szczegółowo działalność naukową i organizacyjną, aktywność konferencyjną krajową i międzynarodową oraz aktywność wydawniczą w roku 2002.

• A metrological analysis of the input circuit of an impedance meter.

  Publikacja

  • J. Hoja

  - Metrology and Measurement Systems - Rok 2003

  W pracy przeprowadzono analizę obwodu wejściowego miernika impedancji W analizie obwodu wejściowego, uwzględniono najważniejsze czynniki wpływające na sygnały na jego wejściu: parametry zmiennoprądowe zastosowanych wzmacniaczy, rezystancję zakresową przetwornika prąd-napięcie, pojemności montażowe. Przeprowadzono symulację sygnałów wydzielanych w obwodzie dla różnych wartości pojemności pasożytniczych, następnie dokonano badań...

• Analog fault signature based on sigma-delta modulation and oscillation-test methodology.

  Publikacja

  • W. Toczek

  - Metrology and Measurement Systems - Rok 2004

  W artykule dokonano przeglądu prac z zakresu testowania układów elektronicznych metodą oscylacyjną. Wskazując na niedostatki aktualnie stosowanej techniki testowania oscylacyjnego zaproponowano nową sygnaturę uszkodzeń dla układów analogowych. Proponowany parametr diagnostyczny jest wydobywany z odpowiedzi czasowej oscylatora testującego, w układzie złożonym z detektora szczytowego, modulatora sigma-delta oraz licznika rewersyjnego....

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• Stereometry of turned surfaces in a frequency-domain formulation of profile irregularities

  Publikacja

  • A. Boryczko

  - Metrology and Measurement Systems - Rok 2002

  Przedstawiono częstotliwościowe składowe nierówności powierzchni toczonych. Ponieważ nierówności mają charakter szerokopasmowy, trudny do wartościowania parametrami normatywnymi, zastosowano ich analizę amplitudowo-częstotliwościową, opartą na szybkiej transformacie Fouriera. Przedstawiono kształtowanie nierówności wzdłużnych dla toczenia. Zaproponowano oryginalny układ pomiaru sygnału przemieszczeń narzędzia względem przedmiotu...

• Neural networks in the diagnostics of induction motor rotor cages.

  Publikacja

  • L. Swędrowski

  - Metrology and Measurement Systems - Rok 2002

  W środowisku Lab VIEW została stworzona aplikacja służąca do pomiaru, prezentacji i zapisu przebiegów widma prądu stojana z uwzględnieniem potrzeb pomiarowych występujących podczas badania wirników silników indukcyjnych przy użyciu sieci neuronowych. Utworzona na bazie zbioru uczącego sieć Kohonena z powodzeniem rozwiązała stawiany przed nią problem klasyfikacji widm prądu stojana, a co za tym idzie również diagnozy stanu...

• Finding the protection of lighting grounding with estimating its impulse impedance componets

  Publikacja

  • M. Wołoszyk
  • M. Galewski
  • S. Wojtas

  - Metrology and Measurement Systems - Rok 2002

  Omówiono metodę rozdzielania składowych impedancji udarowej uziemień. Podano wskazania dotyczące oceny jakości ochrony odgromowej na podstawie wartości składowych impedancji udarowej.

• Some methods of diagnosis of analog circuit using mixed signal test bus IEEE 1149.4

  Publikacja

  • B. Bartosiński
  • W. Toczek

  - Metrology and Measurement Systems - Rok 2003

  W artykule przedstawiono wybrane metody testowania i diagnostyki analogowych układów elektronicznych zamontowanych na pakiecie pomiędzy układami scalonymi wyposażonymi w magistralę IEEE 1149.4. Prezentowane metody dobrano pod kątem stopnia skomplikowania układów testowanych oraz specyficznych właściwości metrologicznych magistrali, które ograniczają możliwości pomiarowe i aplikacyjność metod. Rozważono trzy typy układów testowanych:...

• On the use of bilinear transformation for parameter identification of anticorrosion coatings

  Publikacja

  • J. Hoja
  • G. Lentka
  • R. Zielonko

  - Metrology and Measurement Systems - Rok 2003

  W artykule przedstawiono metodę identyfikacji parametrów powłok antykorozyjnych modelowanych wieloelementowymi układami zastępczymi. Metoda wykorzystuje właściwości przekształcenia biliniowego, które umożliwia przedstawienie funkcji układowej wieloparametrowego modelu jako funkcji każdego indywidualnego parametru. Odwrotne przekształcenie biliniowe pozwala na wyznaczenie wartości każdego z parametrów modelu z osobna na podstawie...

• Surface irregularities as a complex signal of tool representation together with uneven displacement in respect to the workpiece

  Publikacja

  • A. Boryczko
  • W. Rytlewski

  - Metrology and Measurement Systems - Rok 2014

  In a dynamic machining process, distortion in surface irregularity is a very complex phenomenon. Surface irregularities form a periodic representation of the tool profile with various kinds of disturbance in a broad range of changes in the height and length of the profile. To discern these irregularity disturbances, interactions of the tool in the form of changes perpendicular and parallel relative to the workpiece were analyzed...

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• Potentiometric Oxygen Sensor with Solid State Reference Electrode

  Publikacja

  • K. Dunst
  • G. Jasiński
  • P. Jasiński

  - Metrology and Measurement Systems - Rok 2014

  The concentration or the partial pressure of oxygen in an environment can be determined using different measuring principles. For high temperature measurements of oxygen, ceramic-based sensors are the most practical. They are simple in construction, exploration and maintenance. A typical oxygen potentiometric sensor consists of an oxygen ion conducting solid electrolyte and two electrodes deposited...

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• Efficiency of linear and non-linear classifiers for gas identification from electrocatalytic gas sensor

  Publikacja

  • P. Kalinowski
  • Ł. Woźniak
  • A. Strzelczyk
  • P. Jasiński
  • G. Jasiński

  - Metrology and Measurement Systems - Rok 2013

  Electrocatalytic gas sensors belong to the family of electrochemical solid state sensors. Their responses are acquired in the form of I-V plots as a result of application of cyclic voltammetry technique. In order to obtain information about the type of measured gas the multivariate data analysis and pattern classification techniques can be employed. However, there is a lack of information in literature about application of such...

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• Programmable Input Mode Instrumentation Amplifier Using Multiple Output Current Conveyors

  Publikacja

  • B. Pankiewicz

  - Metrology and Measurement Systems - Rok 2017

  In this paper a programmable input mode instrumentation amplifier (IA) utilising second generation, multiple output current conveyors and transmission gates is presented. Its main advantage is the ability to choose a voltage or current mode of inputs by setting the voltage of two configuration nodes. The presented IA is prepared as an integrated circuit block to be used alone or as a sub-block in a microcontroller or in a field...

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• Using an IEEE1149.1 Test Bus for Fault Diagnosis of Analog Parts of Electronic Embedded Systems

  Publikacja

  • Z. Czaja
  • B. Bartosiński

  - Rok 2013

  The new solution of a BIST called the JTAG BIST for self-testing of analog parts of electronic embedded systems is presented in the paper. The JTAG BIST consists of the BCT8244A and SCANSTA476 integrated circuits of Texas Instruments controlled via the IEEE 1149.1 bus. The BCT8244A is a scan test device with octal buffers, and the SCANSTA476 is a 12-bit ADC with 8 analog input channels. Self-testing approach is based on the fault...

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• Miniaturized Passive Emission Chambers for In Situ Measurement of Emissions of Volatile Organic Compounds

  Publikacja

  • M. Marć
  • B. Zabiegała
  • J. Namieśnik

  - CRITICAL REVIEWS IN ANALYTICAL CHEMISTRY - Rok 2013

  The results of many different studies have demonstrated unequivocally that the quality of indoor air is often much worse than that of atmospheric air. The presence of dangerous chemical compounds in indoor air can have an adverse impact on human health and cause numerous diseases of the respiratory and circulatory systems. Such harmful chemicals get into indoor air as a result of their emission from building and indoor materials....

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• Influence of operation temperature instability on gas sensor performance

  Publikacja

  • G. Jasiński

  - Rok 2017

  Gas sensors based on the semiconducting metal-oxides, such as SnO2, have been found to be very useful for detecting a wide range of gases. The reversible interactions of the gas with the surface of the sensing layer made of semiconducting metal-oxides are responsible for changes of sensor resistance which is usually used as a measure of sensor response. Semiconductor gas sensors are commercially available and applied in numerous...

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• Bioelectronic nose: Current status and perspectives

  Publikacja

  • T. Wasilewski
  • J. Gębicki
  • W. Kamysz

  - BIOSENSORS & BIOELECTRONICS - Rok 2017

  A characteristic feature of human and animal organs of smell is the ability to identify hundreds of thousands of odours. It is accompanied by particular smell sensations, which are a basic source of information about odour mixture. The main structural elements of biological smell systems are the olfactory receptors. Small differences in a structure of odorous molecules (odorants) can lead to significant change of odour, which is...

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• Instruments shaping sustainable mobility of urban residents

  Publikacja

  • K. Grzelec
  • K. Hebel

  - Torun Business Review - Rok 2016

  Urban development increases the demand for efficient, fast, safe ecological transport. Extensive development of urban transport system, in particular transport infrastructure, changed the point of view about transport needs. Research on the effectiveness of transport systems for years accompanied the study of mobility. The development of modern technology, the need to increase efficiency of transport and increase environmental...

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• Real-Time PCR: molecular technique of many applications

  Publikacja

  • M. Kordalewska
  • D. Drapała
  • B. Ferra

  - Rok 2012

  Real-Time PCR is a sensitive DNA amplification technique initially applied in genetics and molecular biology. It enables in vivo copying of the selected DNA fragment (flanked by two primers) by the thermostable polymerase (in the presence of magnesium ions and deoxynucleotide triphosphates) and simultaneous measurement of the fluorescence. For one or more specific sequences in a DNA sample, real-time PCR enables both detection...

• Impact of probability distribution on the uncertainty of resistance measurement

  Publikacja

  • S. Szczesny
  • A. Golijanek-Jędrzejczyk
  • D. Świsulski

  - ITM Web of Conferences - Rok 2019

  The paper presents studies on the influence of probability distributions on the expanded uncertainty of the resistance measurement. Choosing the correct probability distribution is very important to estimate of measurement uncertainty. The paper presents the results of analysis of the resistance measurement uncertainty using the technical method of resistance: 100 G. The analysis of the uncertainty...

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• Performance of the PEM fuel cell module. Part 2. Effect of excess ratio and stack temperature

  Publikacja

  • J. Cieśliński
  • T. Kaczmarczyk
  • B. Dawidowicz

  - Journal of Power Technologies - Rok 2017

  The paper describes a fuel cell based system performance under different thermal conditions. The system could be fed with bottled hydrogen or with very high purity hydrogen obtained from reforming of methanol. The system is based on two fuel cell units (1.2 kW each, produced by Ballard Power Systems Inc. and called Nexa), DC/DC converter, DC/AC inverter, microprocessor control unit, load unit, bottled hydrogen supply system and...

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• A PROPOSAL FOR ONE-IMAGE PHOTOGRAMMETRY SYSTEM FOR MEASURING THE CLEARANCE DISTANCE. CASE STUDY

  Publikacja

  • A. Barbasiewicz
  • K. Bobkowska
  • P. Bujała
  • A. Janowski
  • M. Przyborski

  - Rok 2016

  Measurement of the clearance distance (both in the context of the rail and road) is one of the current and increasingly discussed topics in the context of photogrammetric and image processing (computer vision) methods. The article presents a description of a simple and rapid method of measure the clearance distance between the obstacles by using one-image photogrammetry. The proposed method was tested for the railway, tram and...

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• Time window based features extraction from temperature modulated gas sensors for prediction of ammonia concentration

  Publikacja

  • P. Kalinowski
  • Ł. Woźniak
  • G. Jasiński
  • P. Jasiński

  - Rok 2017

  Electronic gas recognition systems, in literature commonly referred as electronic noses, enable the recognition of a type and a concentration of various volatile compounds. Typical electronic gas-analyzing device consists of four main elements, namely, gas delivery subsystem, an array of gas sensors, data acquisition and power supply circuits and data analysis software. The commercially available metal-oxide TGS sensors are widely...

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• INFLUENCE OF WRONGLY ASSUMED PROBABILITY DISTRIBUTION ON THE UNCERTAINTY OF RESISTANCE MEASUREMENT BY TECHNICAL METHOD

  Publikacja

  • S. Szczesny
  • A. Golijanek-Jędrzejczyk
  • D. Świsulski

  - Poznan University of Technology Academic Journals. Electrical Engineering - Rok 2019

  The paper presents studies on the influence of probability distributions on the expanded uncertainty of the resistance measurement. Choosing the correct probability distribution is very important to estimate of measurement uncertainty. The most commonly used distribution is the rectangular distribution. The paper presents the results of analysis of the resistance measurement uncertainty using the technical method of two resistances:...

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• Prospects of ionic liquids application in electronic and bioelectronic nose instruments

  Publikacja

  • T. Wasilewski
  • J. Gębicki
  • W. Kamysz

  - TRAC-TRENDS IN ANALYTICAL CHEMISTRY - Rok 2017

  This paper addresses the problem of application of ionic liquids to chemical sensors and biosensors being an integral part of the electronic and bioelectronic-type instruments. The design and principle of operation of the electronic and bioelectronic noses are compared. Both the benefits and shortcomings of the application of ionic liquids in these type of instruments are described. The prospects of the development and application...

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• Determination of the uncertainty of mass flow measurement using the orifice for different values of the Reynolds number

  Publikacja

  • A. Golijanek-Jędrzejczyk
  • A. Mrowiec
  • R. Hanus
  • M. Zych
  • D. Świsulski

  - Rok 2019

  Standard orifice flowmeters are widely used in the chemical and energy industry. Therefore, it is essential to know how accurate the measurements made with these instruments are. The paper presents an estimation of measurement uncertainty of a liquid mass flow using the orifice plate. The authors will present the influence of ranges of the Reynolds number on the estimated uncertainty, obtained on the basis of simulation and laboratory...

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• Compatibility of Crude Oil Blends─Processing Issues Related to Asphaltene Precipitation, Methods of Instability Prediction─A Review

  Publikacja

  • K. Bambinek
  • A. Przyjazny
  • G. Boczkaj

  - INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH - Rok 2023

  Processing crude oil of variable composition, especially due to the need to process crude oil blends obtained from various sources, presents a tremendous process challenge. This is mainly due to the destabilization of the colloidal system manifested mostly by the precipitation of the asphaltene fraction. The precipitation of asphaltenes from crude oil is a serious problem during extraction, transport, and processing. In the latter...

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• Evaluation of Selected Innovation Policy Instruments on the Example of Poland

  Publikacja

  • A. Lis
  • E. Romanowska

  - Procedia - Social and Behavioral Sciences - Rok 2015

  The main purpose of the paper is to analyze and evaluate the selected instruments of innovation policy in Poland: cooperative relations, business environment institutions and innovation centers, supported within Priority Axis V of OP IE 2007-2013. The evaluation was made on the basis of the four criteria: complementarity, adapting to the needs of businesses, the impact on the innovation and durability of the provided support. The...

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• Determination of polybrominated diphenyl ethers in house dust using standard addition method and gas chromatography with electron capture and mass spectrometric detection

  Publikacja

  • S. Król
  • B. Zabiegała
  • J. Namieśnik

  - JOURNAL OF CHROMATOGRAPHY A - Rok 2012

  Monitoring of the environmental fate of polybrominated diphenyl ethers (PBDEs) involves determination of their concentration in air, airborne particles and settled dust. This requires the implementation of appropriate analytical tools like measuring instruments, reference materials and analytical procedures. In this study an analytical procedure was developed for determining PBDEs in samples with a complex matrix composition. The...

• Fault Loop Impedance Measurement in Circuits Fed by UPS and Principle of Safety Protection

  Publikacja

  • J. Katarzyński
  • M. Olesz

  - Sustainability - Rok 2020

  This paper indicates a significant problem of uncertainty of fault loop impedance (FLI) measurement in circuits powered from uninterruptible power supply (UPS) (double-conversion AC-DC-AC). The correctly determined value of this impedance, related to the short-circuit current disconnection time and to the reference value, is one of the most important elements that determines the approval of an electrical installation and its receivers...

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• Transient States during Short-circuit in a Line Powered by UPS and its Impact on Earth Fault Loop Impedance Measurement and Power Quality

  Publikacja

  • J. Katarzyński
  • M. Olesz

  - Rok 2020

  The short-circuit in a line powered by Uninterruptible Power Supply (UPS) during different UPS operation modes is presented in the article. The transient state condition related to the short-circuit in a line fed from double conversion On-line UPS is discussed in detail. The results of the measurements of earth fault loop impedance (FLI) in circuits powered by UPS with the instruments of various manufacturers are presented. The...

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• Fault detection in measuring systems of power plants

  Publikacja

  • J. Głuch

  - Polish Maritime Research - Rok 2008

  This paper describes possibility of forming diagnostic relations based on application of the artifical neural networks (ANNs), intended for the identifying of degradation of measuring instruments used in developed power systems. As an example a steam turbine high-power plant was used. And, simulative calculations were applied to forming diagnostic neural relations. Both degradation of the measuring instruments and simultaneously...

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• Application of ionic liquids in electronic nose instruments

  Publikacja

  • J. Gębicki

  - Rok 2016

  Among many applications in different fields of science and technology the ionic liquids (ILs) are also utilised in chemical sensors yielding improvement of their operation parameters (Buzzeo, 2004; Wei and Ivaska, 2008; Silvester, 2011; Gebicki et al., 2013). Some of these chemical sensors are the components of the devices, which resemble human sense of smell as far as their operation is concerned. These devices are named electronic...

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• Measurement Campaign and Mathematical Model Construction for the Ship Zodiak Magnetic Signature Reproduction

  Publikacja

  • J. Tarnawski
  • K. Buszman
  • M. Wołoszyn
  • T. A. Rutkowski
  • A. Cichocki
  • R. Józwiak

  - MEASUREMENT - Rok 2021

  The paper presents the partial work done within the framework of the EDA Siramis II project focused on magnetic signature reproduction of ships. Reproduction is understood here as the ability to determine the magnetic anomaly of the local Earth magnetic field in any direction and at any measurement depth due to the presence of the analysed object. The B-91 type hydrographic ship Zodiak was selected as the real case study. The work...

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