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Wyniki wyszukiwania dla: DAQ devices
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Research on the Use of Mobile Devices and Headphones on Pedestrian Crossings—Pilot Case Study from Slovakia
PublikacjaThe topic of the use of mobile devices and headphones on pedestrian crossings is much less explored in comparison to the use of the mobile phone while driving. Recent years have seen many discussions on this issue, especially in foreign countries. The Slovak Republic, however, has not been giving it enough attention (and it is not mentioned in the National Road Safety Plan for the Slovak Republic from 2011 to 2020). This paper...
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Room temperature depinning of the charge-density waves in quasi-two-dimensional 1T-TaS2 devices
PublikacjaWe report on the depinning of nearly commensurate charge-density waves in 1T-TaS2 thin films at room temperature. A combination of the differential current–voltage measurements with the low-frequency noise spectroscopy provides unambiguous means for detecting the depinning threshold field in quasi-2D materials. The depinning process in 1T-TaS2 is not accompanied by an observable abrupt increase in electric current—in striking contrast...
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Verification of safety in low-voltage power systems without nuisance tripping of residual current devices
PublikacjaLow-voltage power systems require initial and periodical verification to check the effectiveness of protection against electric shock. As a protection in case of fault, automatic disconnection of supply is most often used. To verify such a protection measure, the earth fault loop impedance or resistance is measured. This measurement is easy to perform in circuits without residual current devices. When residual current devices are...
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A universal IT system architecture for servicing, collecting, storing, processing and presenting data from wireless devices
PublikacjaIn the article we present a universal IT system architecture, which allows one to develop, based on mobile and multiplatform JAVA language, applications capable of working with many different wireless systems in an easy and effective way. Modular system architecture supports efficient data processing and enables convenient presentation of chosen parameters. Additionally, proposed IT system architecture provides easy adoption to...
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Capillary pumped loop as a tool for collecting large heat fluxes from electronic devices on warships
PublikacjaThe combat potential of future warships will be directly related to the use of modern electronic devices being parts of advanced systems, such as, for instance, radar systems, fire aiming systems, fire detection systems, electric drive systems, and even electronic and radio-electronic weaponry, railguns and lasers, installed on these warships. The capacity and functionality of these devices is continually increasing, at decreasing...
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Optoelectronic Devices, Sensors, Communication and Multimedia, Photonics Applications and Web Engineering, Wilga, May 2012
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A new method of fault loop resistance measurement in low voltage systems with residual current devices
PublikacjaThis paper presents a new method of fault loop resistance measurement in low voltage systems with residual current devices. The method enables measuring fault loop resistance without nuisance tripping of residual current devices, by application an unconventional waveform of measurement current. It is important for proper verification of the effectiveness of protection against electric shock.
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Elimination of the negative effect of earth fault current higher frequency on tripping of residual current devices
PublikacjaCzęstotliwość prądu różnicowego większa niż 50/60 Hz ma niekorzystny wpływ na wyzwalanie wyłączników różnicowoprądowych. Przy zwiększonej częstotliwości prądu różnicowego rzeczywisty prąd zadziałania wyłączników zwiększa się, a niektóre z nich w ogóle nie wyzwalają. W artykule omówiono główne przyczyny zwiększenia się prądu zadziałania wyłączników różnicowoprądowych oraz przedstawiono sposób eliminacji niekorzystnego wpływu zwiększonej...
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Techniques of interference reduction in probe system for wafer level noise measurements of submicron semiconductor devices.
PublikacjaPrzedstawiono skrótowo system do ostrzowych pomiarów szumów struktur submikronowych. Znaczny wpływ na pomiary ostrzowe mają zakłócenia i szumy własne systemu, zwłaszcza zakłócenia o wysokim poziomie wpraowadzane przez ostrza (fluktuacje rezystancji styków ostrza do struktury powodowane przez wibracje i udary mechaniczne w środowisku pomiarowym)i środowisko elektromagnetyczne. Zakłócenia okresowe powodowane przez wibracje i pola...
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Penetration of different nanoparticles through melt-blown filter media used for respiratory protective devices
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Multifunctional Polymer Composites Produced by Melt-Blown Technique to Use in Filtering Respiratory Protective Devices
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Evaluation of applicability of classic methods of a fault loop impedance measurement to circuits with residual current devices
PublikacjaMeasurement of fault loop impedance in low voltage grids and systems is in most cases performed to verify the effectiveness of protection against electric shock by automatic disconnection of supply. For the sake of measurement accuracy, it is advisable to perform it using large current. Unfortunately, in circuits with residual current devices which are very widely used nowadays, a large measurement current may trigger those devices...
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Effect of the let-through energy of overcurrent protective devices on the temperature of conductors during short-circuits
PublikacjaThe scope of the verification of low-voltage systems covers the earth fault loop impedance measurement. This measurement is usually performed with the use of low-value current meters, which force a current many times lower than the one occurring during a real short-circuit. Therefore, the international standard recommends consideration of the increase of resistance of conductors with the increase of temperature, which may occur...
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Fluctuation-Enhanced Sensing of Organic Vapors by Ink-Printed MoS2 Devices under UV Irradiation
PublikacjaThis work presents the results of fluctuationenhanced sensing (FES) of selected organic gases by MoS2 sensor fabricated via a simple ink printing method. We demonstrate that low-frequency noise measured under UV irradiation (275 nm) is more sensitive to different gases than measured in the dark. The noise at 1 Hz under UV light increased 3.3, 3.5, 1.6, and 2.9 times for chloroform, tetrahydrofuran, acetonitrile, and acetone ambiances, respectively....
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A New Technique of Spine Disease Treatment Supported by ADRSK1 Device
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A Method and Device for 3D Recognition of Cutting Edge Micro Geometry
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A Method of Lathe Checks Measurement; SMOF device and its software
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Auto adaptation of mobile device characteristics to various acoustic conditions
PublikacjaThe proposed methodology of auto adaptation of the mobile device characteristics to various acoustic conditions is presented in the paper. The first goal of this study was to determine the parameters of the acoustic path of the mobile device, for both transmitting (speaker) and receiver (microphone). Results of the measurement of characteristics of mobile devices were presented. Information about characteristics of individual parts...
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A Method and Device for 3D Recognition of Cutting Edge Micro Geometry
PublikacjaA very useful method was successfully applied in the investigation of tools for machining wood and wood based composites. It allows scanning of the cutting edge micro geometry in three dimensions and reproducing it in a virtual space as a 3D surface. The application of the method opens new possibilities of studying tool wear by scanning, including the calculation of volume loss and other analysis of tool wedge geometry along and...
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Design of a continuous intra-oral distraction device for mandibular bone
PublikacjaIn this paper we present example of a specific device used for distraction osteogenesis. Distraction osteogenesis (also called callus distraction, collotasis or osteodistraction) is a surgical process for reconstructing bone deformities or lengthening bones.
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Rehabilitation device supporting active and passive upper limb exercises
PublikacjaThis article presents a mechatronic solution for rehabilitation devices supporting active and passive exercises in persons with motor dysfunctions of the upper limbs in the area of the elbow and shoulder joints. A planar positioner integrated with original software and a control system, served as the basis for creating the present solution. Bellman’s programming method was applied to optimize the motion trajectory of the planar...
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Shrinking-shifting and amplifying-shifting device using transformation optics
PublikacjaBased on transformation optics (TO), this paper uses geometric divisions and linear coordinate transformations to design “shrinking-shifting—and reshaping”, and “amplifying-shifting—and reshaping” devices. The proposed devices can reshape the sizes and locations of the wrapped-objects inside the core-region. The shrinking-shifting device shrinks the larger object into a smaller one and shifts it to different location, whereas the...
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Synthesis and hydrogen evolving catalysis of a panchromatic photochemical molecular device
PublikacjaA dinuclear hydrogen evolution photocatalyst [(tbbpy)2Os(tpphz)PtI2](PF6)2 (tbbpy = 4,4′-tert-butyl-2,2′-bipyridine; tpphz = tetrapyrido[3,2-a:2′,3′-c:2′′,3′′-h:2′′′,3′′′-j]phenazine) is synthesized in order to make use of the broader range of visible light absorption mitigated by the osmium center. In a first step, the activity of the complex for hydrogen evolution is investigated by evaluating the role of different electron donors...
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Device-independent quantum key distribution based on measurement inputs
PublikacjaWe provide an analysis of a family of device-independent quantum key distribution (QKD) protocols that has the following features. (a) The bits used for the secret key do not come from the results of the measurements on an entangled state but from the choices of settings. (b) Instead of a single security parameter (a violation of some Bell inequality) a set of them is used to estimate the level of trust in the secrecy of the key....
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Design and material selection for a patient transport device in field hospitals
PublikacjaACKGROUND: A major cause of patient and hospital worker injuries occurs transferring patients between two planes. The main aim of this paper was to propose a design of patient’s lift and transfer apparatus for use in field hospitals. The assumption was to design lightweight, durable and ergonomic device using innovative material. The authors concentrated on partial elimination of manual lifting in order to device could work both...
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APIS – Agent Platform for Integration of Services
PublikacjaThe paper presents an approach to creating the platform for development and evaluation of complex tasks execution algorithms. Proposed solution is based on an agent paradigm where independent peers can cooperate and negotiate in order to execute specified tasks which are defined only by the final output description. Tasks are realized by the means of services exposed by different peers. In case when there is no single service fulfilling...
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Systematics of intelligent transport systems services
PublikacjaRecent years have seen a more intensified deployment of Intelligent Transport Systems (ITS) in Polish cities. Work is also underway on the implementation of ITS on the national roads within the National Traffic Management System (KSZR). The research project RID-4D (part of Road Innovations), is designed to fill the gap, which is the lack of systematics of ITS services in Poland. The paper presents a proposal of ITS services systematics,...
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The Relational Benefits and the Quality of Services in Tourism
PublikacjaIn a very competitive environment, it is highly important to identify the indicators that exert a major influence on customer satisfaction and loyalty. Based on the current relationship marketing concept of relational benefits (Gwinner, Gremler, Bitner, 1998; Hennig-Thurau, Gwinner, Gremler, 2002) and destination quality (Blazquez-Resino, Molina, Esteban-Talaya, 2015), a conceptual model was built. The present paper aims to analyse...
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Quality improvement in health care services
PublikacjaW niniejszym rozdziale zaprezentowano podstawowe formy doskonalenia jakości w usługach medycznych. Zaprezentowano kluczowe metody jakie mogą być stosowane przez zakłady opieki zdrowotnej, zarówno w tzw. "leczeniu zamkniętym" - szpitale, jak i "leczeniu otwartym" - przychodnie. Dokonano również analizy podejścia systemowego do doskonalenia jakości usług medycznych wiążącego się z reformami projakościowymi w ogólnonarodowych systemach...
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Multimedia mobile services for the semantic web
PublikacjaDokument przedstawia metodologię tworzenia semantycznie rozszerzonych multimedialnych usług mobilnych z wykorzystaniem narzędzi i ułatwień oferowanych przez projekt DESYME. Zaprezentowano zwięzły wstęp do tematyki sieci Semantycznej wraz z wyjaśnieniem jej związku z zagadnieniami Web Services. Następnie przedstawiono opis projektu DESYME. Przedstawiono również przykładowe usługi multimedialne, które są opracowywane w Katedrze Systemów...
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Mercury in the eggs of aquatic birds from the Gulf of Gdansk and Wloclawek Dam (Poland)
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LIFE-SAVING PROCEDURES AND CARDIOPULMONARY RESUSCITATION FROM THE ANCIENT HISTORY TO THE PRESENT DAY
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Geospatial Coverage and Signal Quality Measurements of Terrestrial DAB+ Network in Northern Poland
PublikacjaModern signal coverage maps are prepared based on industry-standard radio propagation models, which take into account a number of parameters, including: type of antenna, distance from the transmitter, type of terrain, etc. However, such simulations are prone to location-specific inaccuracies, and should be verified with in-situ measurements. This paper presents results of a field test of a terrestrial DAB+ (Digital Audio Broadcasting...
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DAB+ Coverage Analysis: a New Look at Network Planning using GIS Tools
PublikacjaFor many years, the matter of designing a transmitter network, optimized for best signal coverage, has been a subject of intense research. In the last decade, numerous researchers and institutions used GIS and spatial analysis tools for network planning, especially transmitter location. Currently, many existing systems operate in a strictly two-dimensional manner, not taking into account the three-dimensional nature of the analyzed...
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Reconfigurable Dual Active Bridge (DAB) Converter Topology for Aircraft Application System
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Programming, tunning and automatic parallelization of irregular divide and conquer applications in DAMPVM/DAC.
PublikacjaArtykuł prezentuje nowy, obiektowo zorientowany wzorzec programowy DAMPVM/DAC, który zimplementowany został z użyciem systemu DAMPVM i umożliwia automatyczny podział nieregularnych aplikacji "Dziel i zwyciężaj" (DAC) w czasie ich działania.
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Rekonstruktion des Baudenkmals ''Das grune Tor'' in Danzing nach einem Teileinsturz.
PublikacjaW pracy przedstawiono opis konstrukcyjny zabytkowej ''Zielonej Bramy'' w Gdańsku, która jako kilkukondygnacyjny obiekt murowany została wzniesiona w XVI wieku nad brzegiem Motławy. Podczas prowadzenia prac rmontowych w styczniu 2002r uległ zawaleniu fragment sklepienia wraz z podpierającą go kamienną kolumną. Dokładny przegląd całej konstrukcji wykazał, że bardzo zły stan także innych elementów konstrukcji nośnej tego obiektu....
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"Walerian Wróbel - Zwei Blicke auf das Unrecht am jungen Zwangsarbeiter"
PublikacjaZur Ausstellung Die tragische Geschichte über das Schicksal des jungen polnischen Zwangsarbeiters Walerian Wróbel (2. April 1925 in Falków — 25. August 1942 in Hamburg) bewegt heute noch viele Menschen. Er wurde im Alter von nur 17 Jahren nach einem Urteil des Sondergerichts Bremen von den Nationalsozialisten hingerichtet. In dieser Ausstellung geht es jedoch nicht um Walerian Wróbel selbst, sondern um den Versuch der...
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Theoretical and experimental research of heat and mass transfer in adsorption process in dac systems
PublikacjaPrzedstawiono badania wymiany ciepła i masy w stałych adsorpcyjnych elementach wykonanych na bazie silikażelu. Zaprezentowano również informacje dotyczące osuszania w systemach klimatyzacyjnych. Na zkończenie pokazano wyniki numerycznej symulacji i skojarzonej wymiany ciepła i masy w chłodzonym osuszaczu.
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Effect of buffer layers on performance of organic photovoltaic devices based on copper phthalocyanine-perylene dye heterojunction
PublikacjaPraca przedstawia wyniki badań układu fotowoltaicznego złożonego z cienkich warstw organicznych tworzących złącze (CuPc i MePTCDI), elektrod (ITO i Ag) oraz z warstw buforowych (MoO3 przy ITO i BCP przy Ag).
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All-fiber tunable devices based on high-index photonic crystal fibers filled with liquid crystals
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Assessing the Operation System of Fire Alarm Systems for Detection Line and Circuit Devices with Various Damage Intensities
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Residue-Pole Methods for Variability Analysis of S-parameters of Microwave Devices with 3D FEM and Mesh Deformation
PublikacjaThis paper presents a new approach for variability analysis of microwave devices with a high dimension of uncertain parameters. The proposed technique is based on modeling an approximation of system by its poles and residues using several modeling methods, including ordinary kriging, Adaptive Polynomial Chaos (APCE), and Support Vector Machine Regression (SVM). The computational cost is compared with the traditional Monte-Carlo...
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Real‐Time PPG Signal Conditioning with Long Short‐Term Memory (LSTM) Network for Wearable Devices
PublikacjaThis paper presents an algorithm for real‐time detection of the heart rate measured on a person’s wrist using a wearable device with a photoplethysmographic (PPG) sensor and accelerometer. The proposed algorithm consists of an appropriately trained LSTM network and the Time‐Domain Heart Rate (TDHR) algorithm for peak detection in the PPG waveform. The Long Short‐Term Memory (LSTM) network uses the signals from the accelerometer...
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New devices to capture the temperature effect under dynamic compression and impact perforation of polymers, application to PMMA
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Ability of paramedics to perform intraosseous access. A randomized cadaver study comparing EZ-IO® and NIO® devices
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Formation of Highly Conductive Boron-Doped Diamond on TiO2 Nanotubes Composite for Supercapacitor or Energy Storage Devices
PublikacjaIn the present paper, we report the phenomena of the formation of the novel composite nanostructures based on TiO2 nanotubes (NTs) over-grown by thin boron-doped diamond (BDD) film produced in Microwave Plasma Enhanced Chemical Vapor Deposition (PE MWCVD). The TiO2 nanotube array overgrown by boron-doped diamond immersed in 0.1 M NaNO3 can deliver high specific capacitance of 7.46 mF cm−2. The composite electrodes were characterized...
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Thermal and Electrodynamic Risk of Residual Current Devices in the Case of Back-Up Protection by Overcurrent Circuit Breakers
PublikacjaResidual current operated circuit breakers without integral overcurrent protection should be back-up protected. As back-up protection devices, overcurrent circuit breakers are used. The maximum let-through energy and let-through current of the overcurrent devices were evaluated under laboratory conditions. The thermal and electrodynamic risk of residual current devices was analyzed.
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Design of a Distributed System using Mobile Devices and Workflow Management for Measurement and Control of a Smart Home and Health
PublikacjaThe paper presents design of a distributed system for measurements and control of a smart home including temper- atures, light, fire danger, health problems of inhabitants such as increased body temperature, a person falling etc. This is done by integration of mobile devices and standards, distributed service based middleware BeesyCluster and a workflow management system. Mobile devices are used to measure the parameters and are...
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Experimental verification of a new method of loop resistance testing in low voltage systems with residual current devices
PublikacjaA periodical verification of the effectiveness of protection against electric shock shall be performed in low voltage systems. The scope of this verification includes loop impedance/resistance testing. If a residual current device is installed in a tested circuit, this testing is problematic. A residual current device trips out during the test, because of the high value of measurement current. This precludes the execution of the...