Filtry
wszystkich: 2731
-
Katalog
- Publikacje 2219 wyników po odfiltrowaniu
- Czasopisma 25 wyników po odfiltrowaniu
- Konferencje 11 wyników po odfiltrowaniu
- Osoby 134 wyników po odfiltrowaniu
- Projekty 3 wyników po odfiltrowaniu
- Zespoły Badawcze 1 wyników po odfiltrowaniu
- Kursy Online 50 wyników po odfiltrowaniu
- Wydarzenia 3 wyników po odfiltrowaniu
- Dane Badawcze 285 wyników po odfiltrowaniu
wyświetlamy 1000 najlepszych wyników Pomoc
Wyniki wyszukiwania dla: LONGITUDINAL WARPING
-
International Journal for Human Caring
Czasopisma -
Designing optimal and safe control strategies for time-varying dynamical systems
PublikacjaPublikacja opisuje metodę projektowania optymalnej trajektorii punktu pracy w czasoprzestrzeni stanów przy wykorzystaniu algorytmów optymalizacji grafowej. Zakłada się deterministyczny charakter zmian dynamiki rozpatrywanego procesu. Przestrzeń robocza, będąca ograniczonym podzbiorem czasoprzestrzeni stanów, jest dzielona na zbiór segmentów, którym przypisywane są wielkości reprezentujące właściwości dynamiki własnej w obrębie...
-
Studies on removal of hydrophobic organics from contaminated soil by washing process
PublikacjaZbadano efektywność wymywania NAPL ze złoża piaskowego za pomocą roztworów dwóch niejonowych surfaktantów: polioksyetylenowanego alkoholu tłuszczowego (Rokanol NL6) oraz alkiloglukozydu (Triton BG10). Jako NAPL zastosowano dwa węglowodory - dodekan i heksadekan. Oba surfaktanty były relatywnie efektywne w usuwaniu dodekanu. Ze wzrostem stężenia surfaktantu obserwowano wzrost efektywności wymywania dodekanu, jednakże Rokanol NL6...
-
Ceramic dispersion effect on composite coating properties after plastic working
PublikacjaW pracy określono wpływ fazy dyspersyjnej Al2O3 na wybrane potencjalne właściwości powłok kompozytowych o osnowie niklowej. Powłoki Ni-Al-Al2O3 zostały nałożone na próbki stalowe przy użyciu technologii poddźwiękowego płomieniowego natryskiwania cieplnego. Następnie poddane zostały obróbce plastycznej na zimno i na gorąco poprzez walcowanie, a także prasowania na zimno na prasie hydraulicznej. Omówiono wpływ obróbki plastycznej...
-
European Society of Hypertension Working Group on Obesity: background, aims and perspectives
Publikacja -
The Sustainable Future of Carbon Farming with Virginia Fanpetals, a Carbon-Negative Species
Publikacja -
Urban Farming – The Ecological, Spatial and Social Factors of Urban Landscape Transformation
Publikacja -
Mapping the complexity of dementia: factors influencing cognitive function at the onset of dementia
Publikacja -
Mapping the spatial distribution of global anthropogenic mercury atmospheric emission inventories
PublikacjaW pracy przedstawiono procedury zastosowane do przygotowania map emisji rtęci ze źrodeł antropogennych na skale globalna i przedyskutowano wyniki obliczeń przedstawione na tych mapach. Dane o emisji użyte do przygotowania map zostały obliczone i opublikowane przez Pacyna et al. (2006). W niniejszej pracy przedstawiono mapy emsji dla roku 2000 oraz zmodyfikowane mapy emisji dla roku 1995.Mapy z rozkladem emisji w układzie gridów:...
-
Surface roughness of ceramic parts after lapping by abrasive-metallic tools
PublikacjaPrzedstawiono konstrukcję narzędzi ścierno-metalowych do obróbki na docierarce jednotarczowej. Wykonano badania docierania elementów z ceramiki tlenowej. Analizowano podstawowe parametry chropowatości powierzchni elementów z Al2O3 po obróbce narzędziami na bazie węglika boru.
-
Small Hydropower Plant With Integrated Turbine-Generators Working at Variable Speed
Publikacja -
Modelling and testing of a hydrodynamic clutch filled with electrorheological fluid in varying degree
Publikacja -
Investigation the effect of canted rudder on the roll damping of a twin-rudder ship
Publikacja -
The Influence of Workpiece Hardness on Plate Temperature during One Side Lapping
PublikacjaLapping leads to a surface with low roughness and high precision. Because of required parts accuracy tool flatness is the key to the successful machining. To avoid its excessive thermal expansion, plate temperature research was taken. The goal was to determine the correlation between the basic lapping conditions and wheel temperature. In work Bulsara et al. authors developed model to estimate the maximum and average temperature...
-
Noise measurements on low noise pavements - problems with inhomogeneity of wearing course
PublikacjaDuring the last several years, when performing numerous CPX noise measurements on low noise pavements,significant inhomogeneity of the wearing course was observed in numerous cases. Similar problems were almost not existing regarding to the dense pavements.In general three main reasons of inhomogeneity can be defined. The first one are imperfections in technology of production of a asphalt mix or/and errors made already during...
-
Possibilities of using SVC compensators for synchronous generators rotors oscillations damping.
PublikacjaThe article presents the idea of using static var compensators (SVC) for damping generators rotors oscillations. A novel SVC controller structure is proposed to provide better dynamic performance of the power system. A tests results are shown for proposed controller structure, that was carried out in a three-machine power system model as well as in multi-machine model of Polish Power System.
-
The first International Comparative Social Enterprise Models Working Paper: Poland
PublikacjaIn this paper, social enterprise models: entrepreneurial nonprofit organizations, cooperatives and vocational enterprises for the disabled are presented. Their emergence and institutionalization in the Polish social enterprise organizations landscape is provided and analysed. Also, the authors point to the convergences and divergences between these three models. Additionally historical background and institutional trajectories...
-
Viscous versus electromagnetic damping – amplification in a neighbourhood of a mechanism singular position
PublikacjaIn the paper, damping of vibrations are considered and compared in a mechanical and in a electromechanical system. In the system, a continuous beam is considered as the main vibrating element. The compared dissipations methods are based on: viscous dampers and DC generators. To increase the possible damping effectiveness, velocity amplification is proposed, i.e., a mechanism is introduced between the beam and the damping element....
-
Control system for contactless electrical energy transfer with varying air gap
PublikacjaInductive power transfer (IPT) is a system by which electrical energy may be transmitted without electrical connection through a large air gap between coils. Systems usually considered in the literature are the ones with a constant air gap. The paper describes the analysis of IPT, which allows for supplying an electrical load in the conditions of slow, in relation to the dynamics of power supply, changes in the dimensions of the...
-
Working in harmony with nature. Green office buildings in a present-day city
PublikacjaMetropolis - as main point of people's migration, mostly because of work, have to face sustainable development as a strategy for the near future. This article describes possible ways leading to the best office building concepts in the design process. Searching for a workspace in harmony with nature is one of the aspects of a balanced development. The challenge is to create functional, compact, environmentally friendly and healthy...
-
Identification of quasi-periodically varying systems with quasi-linear frequency changes
PublikacjaThe problem of identification of linear quasi-periodically varying systems is considered. This problem can be solved using generalized adaptive notch filtering (GANF) algorithms. It is shown that accuracy of system parameter estimation can be increased if the results obtained from GANF are further processed using a cascade of appropriately designed filters. The resulting generalized adaptive notch smoothing (GANS) algorithms can...
-
Factors Shaping the Working Environment, Living Conditions and Recreation on Board Ship
PublikacjaA seagoing ship is a working place, an accommodation space and a recreation area at the same time. Being exposed to harsh physical conditions, it must satisfy different requirements. The human organism and its qualities become a point of reference here; consequently, the functions and spatial arrangement and interiors of a ship must be subordinated to its needs. The organisation of the space in contemporary ships meant for human...
-
Zastosowanie technologii Web Farming dla poprawy procesu wytwarzania oprogramowania
PublikacjaW pracy zaprezentowano koncepcję wykorzystania technologii Web Farming wsieci intranet firmy produkcyjnej. Oprogramowanie w celu poprawy procesu wy-twórczego. Przedstawiono ogólną architekturę systemu oraz sposób jego wyko-rzystania przez różne grupy udziałowców procesu wytwarzania oprogramowania.
-
Collecting and classification web data for business using a web farming system
PublikacjaPraca prezentuje system typu Web Farming oraz aspekty związane z jego działaniem.
-
Magnetic field mapping along a NV-rich nanodiamond-doped fiber
PublikacjaIntegration of NV−-rich diamond with optical fibers enables guiding quantum information on the spin state of the NV− color center. Diamond-functionalized optical fiber sensors have been demonstrated with impressive sub-nanotesla magnetic field sensitivities over localized magnetic field sources, but their potential for distributed sensing remains unexplored. The volumetric incorporation of diamonds into the optical fiber core allows...
-
Volume efficiency loss in axial pumps caused by working fluid compressibility.
PublikacjaPrzedstawiono teoretyczną analizę wpływu ściśliwości cieczy roboczej konstrukcji mechanizmu rozrządu pompy wielotłoczkowej osiowej na straty energetyczne w przestrzeni martwej. Podano wyniki uzyskane dla typowych konstrukcji.
-
Fast recursive basis function estimators for identification of time-varying processes
PublikacjaW pracy wprowadzono nową kategorię filtrów adaptacyjnych opartych na metodzie funkcji bazowych i wykorzystujących koncepcję postfiltracji. Proponowane algorytmy pozwalają połączyć niską złożoność obliczeniową i dobre właściwości śledzące.
-
Identification of Fast Time-varying Communication Channels Using the Preestimation Technique
PublikacjaAccurate identification of stochastic systems with fast-varying parameters is a challenging task which cannot be accomplished using model-free estimation methods, such as weighted least squares, which assume only that system coefficients can be regarded as locally constant. The current state-of-the-art solutions are based on the assumption that system parameters can be locally approximated by a linear combination of appropriately...
-
Landscape of Automated Log Analysis: A Systematic Literature Review and Mapping Study
PublikacjaLogging is a common practice in software engineering to provide insights into working systems. The main uses of log files have always been failure identification and root cause analysis. In recent years, novel applications of logging have emerged that benefit from automated analysis of log files, for example, real-time monitoring of system health, understanding users’ behavior, and extracting domain knowledge. Although nearly every...
-
DESIGNING OF PARKING SPACES TAKING INTO ACCOUNT THE PARAMETERS OF DESIGN VEHICLES IN RUSSIA
PublikacjaNowadays, in all the cities, there is an acute problem of a lack of parking spaces. The number of vehicles are becoming more and more larger, not only in megacities, but in small cities of the country, as well and there are no more parking places - the pace of solving the problem is several times slower than the rate of the transport growth among the citizens. The article is dedicated to the determination of the optimum sizes parking...
-
The Analysis of Working Parameters Decrease in Photovoltaic Modules as a Result of Dust Deposition
PublikacjaThe aspect of dust accumulation on the surface of photovoltaic (PV) modules should be thoroughly understood in order to minimize possible obstacles affecting energy generation. Several elements affect the amount of pollutant gathered on the surface of a solar device, mainly its localization, which is irreversibly linked to factors such as annual rainfall, occasional snow coverage, or, in a dry climate, increased blow of dust during...
-
Fabrication and Characterization of Green Polyurethane Foams with Enhanced Vibration Damping Capability
PublikacjaOver the past decades, there has been an intensive development of the technologies and innovations aimed at increasing the quality of life. This development largely concerns the comfort of use of everyday products that, among others, are products of the automotive, construction, or furniture industries. Considering the increase in the comfort of using products such as cars, houses, and flats, one of the comfort features of their...
-
Abrasive property evaluation during microgrinding with single-disk lapping kinematics
PublikacjaPrzedstawiono wyniki badań mikroszliwowania z kinematyką docierania jednotarczowego. Analizowano narzędzie pod kątem trwałości. Wyznaczono zmieniające się właściwości ścierne narzędzia z wykorzystaniem systemu do automatycznej analizy obrazu.
-
Stabilization of the titanium vibration damping wires in the steam turbine blades system
PublikacjaPrzedstawiono metody stabilizacji drutów tłumiących w systemie łopatkowym turbin parowych. Na podstawie badań eksperymentalnych mikrostruktury i własności mechanicznych wykazano przydatność metody stabilizacji na gorąco drutów tłumiących wykonywanych ze stopu tytanu WT3-1.
-
Introduction to smart solutions for wastewater: Road-mapping the transition to circular economy
PublikacjaToday there is an urgent need to move from a linear to a circular economy approach with special focus to water and environment. Despite the paramount importance, this transition is hampered by barriers which concern not only technological but embrace also organizational, regulatory, social, and economic aspects. In order to overcome such barriers, innovative water-smart solutions are needed and a robust roadmap for the transition...
-
Thermodynamic Cycles of Air Microturbine Power Plants Working on Biomass Fuels
PublikacjaThe gas turbine engine is modified to work as an air turbine set which consists, in the simplest arrangement, of a compressor, a heat exchanger and a turbine. Air is a working medium for both: the compressor and the turbine. This kind of air turbine set can be applied in power plants working on biomass fuels. In this solution we can burn fuels of varying parameters in the external combustion chamber without any harmful effects...
-
Mapping negative unintended consequences of disruptive technologies use in smart cities
PublikacjaSmart cities governance (SCG) consists of both to foster technology-enabled innovation, and to utilize disruptive technologies (DT) outcomes and impacts to increase public value of urban services. Despite widespread discussion of DT benefits, scientific literature identifies multiple determinants of unintended negative consequences (UC) of DT deployment in smart city initiatives. By considering UC as the negative aspects resulting...
-
New kinematic systems in single-sided lapping and their influence on lap wear
PublikacjaPrevious studies on one-sided lapping allow to state that not only parameters of lapping elements (i.e. properties of workpiece, abrasive grains and lapping plate) impact on a lapping efficiency. Influential are also kinematics and dynamics of the process. It is crucial to control an average velocity of lapping (v), a distribution of tangential acceleration (at), a nominal pressure (p), a lapping time (t) and disposal of workpiece...
-
Decoupled Kalman filter based identification of time-varying FIR systems
PublikacjaWhen system parameters vary at a fast rate, identification schemes based on model-free local estimation approaches do not yield satisfactory results. In cases like this, more sophisticated parameter tracking procedures must be used, based on explicit models of parameter variation (often referred to as hypermodels), either deterministic or stochastic. Kalman filter trackers, which belong to the second category, are seldom used in...
-
Application of regularized Savitzky–Golay filters to identification of time-varying systems
PublikacjaSavitzky–Golay (SG) filtering is a classical signal smoothing technique based on the local least squares approximation of the analyzed signal by a linear combination of known functions of time (originally — powers of time, which corresponds to polynomial approximation). It is shown that the regularized version of the SG algorithm can be successfully applied to identification of time-varying finite impulse response (FIR) systems....
-
Cavitation wearing of the SUPERSTON alloy after laser treatment at cryogenic conditions
PublikacjaThe purpose of this paper is to demonstrate the method of laser remelting at cryogenic conditions of the SUPERSTON alloy and its influence on microstructure and cavitation wearing. The cavitation test was performed using the rotating disc facility in IPM PAN Gdansk. During the cavitation test, the mass loss of the material with different parameters of laser remelting was determined. Surface and cross-section microstructure of the...
-
Influence of ducting geometry on working parameters of pipe type hydraulic turbines
PublikacjaMała energetyka wodna. Omówiono własności użytkowe - głównie, sprawność i adaptacyjność - uzyskiwane poprzez rozwiązania układów turbinowych stosowanych w obszarze zagospodarowywania piętrzeń niskospadowych. Wskazano przyczyny od których te własności zależą. Pokazano też przykład rozwiązania o pożądanych własnościach dla zagospodarowywania obiektów w mało atrakcyjnym ekonomicznie obszarze piętrzeń najniższych.
-
Bearing capacity of working platform using distinct layout optimization method
PublikacjaBearing capacity of the working platforms from sandy soil resting on NC and OC clays was analyzed using LimitState GEO program. Different failure modes are considered using distinct layout optimization (DLO) method, which forms the upper bound solution of limit state analysis. Different mechanisms of failure were observed as a function of the platform thickness, angle of internal friction of the platform material and undrained...
-
Signal filtering method of the fast-varying diesel exhaust gas temperature
PublikacjaThe paper presents the problem of the impact of external distortions originating on laboratory test stands on the results of measurements of fast-varying diesel exhaust gas temperature. It has been stressed how significant the aspect of the test stand adaptation is during an experiment to ensure the smallest possible impact. This paper, however, focuses on the methods of mathematical processing of a signal recorded during experimental...
-
Depth Determination Accuracy of the Modified Prony Method in a Swath Mapping Application
PublikacjaThis article presents the performance of the modified Prony method in a swath mapping application. Depth determination accuracy is assessed by processing raw signal acquired by an EdgeTech 6205 swath bathymetry system over flat seafloor. An updated version of the method, proposed previously by the authors, is used to determine the number of signal echoes. The number of signal echoes is essential for performing the low-rank approximation...
-
Three-dimensional mapping for data collected using variable stereo baseline
PublikacjaThe paper describes a system of 3D mapping of data collected with due regard for variable baseline. This solution constitute an extension to a VisRobot sub-system developed as a subsystem, necessary for implementing the generic idea of using mobile robots to explore an indoor static environment. This subsystem is to acquire stereo images, calculate the depth in the images and construct the sought 3D map. Stereo images are obtained...
-
Substrate-integrated waveguide (SIW) filter design using space mapping
PublikacjaIn this paper, we present a fast technique for an automated design of microwave filters in substrate integrated wave (SIW) technology. The proposed methodology combines the space mapping technique with a cost function defined using the location of complex zeros and poles of filter’s transfer and reflection function and uses a rectangular waveguide as a surrogate model. The effectiveness of the proposed technique is presented with...
-
An automated microwave planar filter design based on space mapping optimization
Publikacja -
Tests on lateral resistance in railway track during operation of tamping machine
PublikacjaArtykuł prezentuje koncepcję prowadzenia badań oporów poprzecznych w trakcie procesu regulacji geometrycznej toru kolejowego za pomocą podbijarki. Jest to zatem kontynuacja badań nad zastosowaniem podbijarki torowej w diagnostyce toru bezstykowego; wcześniej zajmowano się kwestią określania sił podłużnych w szynach. Przedstawiono sposób wyznaczania oporów poprzecznych polegający na ciągłej rejestracji przemieszczenia oraz siły...
-
Model of speed-varing rotor for mechatronic systems analysis and design
PublikacjaW artykule przedstawiono sposób modelowania złożonych układów mechatronicznych w oparciu o metodę grafów wiązań. Celem zilustrowania metody posłużono się przykładem liczbowym, w którym rozważano wirnik obracający się ze zmienną prędkością kątową. Prezentowana metodyka doskonale nadaje się do modelowania układów o zróżnicowanej naturze fizycznej. Otrzymany model ma charakter obiektu o pewnej liczbie wejść i wyjść, który można w...