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Search results for: BASENY TRZCINOWE
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Sensitivity analysis based on non-intrusive regression-based polynomial chaos expansion for surgical mesh modelling
PublicationThe modelling of a system containing implants used in ventral hernia repair and human tissue suffers from many uncertainties. Thus, a probabilistic approach is needed. The goal of this study is to define an efficient numerical method to solve non-linear biomechanical models supporting the surgeon in decisions about ventral hernia repair. The model parameters are subject to substantial variability owing to, e.g., abdominal wall...
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The Green Approach to the Synthesis of Bio-Based Thermoplastic Polyurethane Elastomers with Partially Bio-Based Hard Blocks
PublicationBio-based polymeric materials and green routes for their preparation are current issues of many research works. In this work, we used the diisocyanate mixture based on partially bio-based diisocyanate origin and typical petrochemical diisocyanate for the preparation of novel bio-based thermoplastic polyurethane elastomers (bio-TPUs). We studied the influence of the diisocyanate mixture composition on the chemical structure, thermal,...
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Designing RBFNs Structure Using Similarity-Based and Kernel-Based Fuzzy C-Means Clustering Algorithms
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Analyzing the Geometry of the Turnouts and Their Adjustment Basing on the Tacheometer Measurements
PublicationThe article presents the results of tacheometric measurements of a station throat, as well as the method of data preparation and analysis. The calculations covered the verification of the geometry and the location of railway turnouts and crossings. The analyses were performed for the selected parameters of the turnout geometry, including their lengths and track gauge in main sections. In addition, the data were analyzed to confirm...
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Organizmy obecne w osadzie dennym basenów kąpielowych
PublicationMonitorowanie parametrów wody basenowej jest istotne z uwagi na zdrowie osób korzystających z basenu jak i pracowników obsługi. Istnieją trzy źródła materii organicznej: woda dostarczona do basenu, pasywne zanieczyszczenia wnoszone przez osoby kąpiące się oraz zanieczyszczenia organiczne w postaci moczu i kału. Jakość wody w basenach powinna być porównywalna do jakości wody pitnej. Jakość mikrobiologiczna opiera się na tradycyjnych...
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Analyzing the Geometry of the Turnouts and Their Adjustment Basing on the Tacheometer Measurements
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Determining nominal values basing on the measured rail irregularities
PublicationW referacie przedstawiono metodę optymalnego wyznaczania wartości nominalnych na podstawie pomierzonych nierówności toru. Idea proponowanej metody polega na zaprojektowaniu nowego układu geometrycznego wpisanego w istniejący układ stycznych, tzn. bez zmiany kąta zwrotu trasy. Wyznaczone wartości nominalne są wielkościami optymalnymi, tj. takimi dla których odchyłki będą najmniejsze, z jednoczesnym zachowaniem wymagań normowych.W...
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The concept of stream and system reliability on the example of the bakery industry
PublicationThis article presents a new concept of technological system reliability based on the analysis of the relationship of associations of elements of energy streams, matter, information, time and finance. The method of stream specification and the method of determining the reliability values of significant and supporting relationships are given. Relevant relationships between elements of system streams were defined as having one-time...
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Mathematical models of process quality on the example of the bakery industry
PublicationThis article presents a new approach to quantitative dimensionless assessment of the efficiency and competitiveness of production processes. New concepts of process quality and relative product quality have been introduced. Process quality was expressed in vector and scalar. The process quality vector ono was expressed by the product of reliability by the vector from the sum of three components taking into account the composition...
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The influence of robotization on the reliability of the production process in the bakery industry
PublicationThis article presents a new concept of technological system reliability based on the analysis of the relationship of associations of elements of energy streams, matter, information, time and finance. The method of stream specification and the method of determining the reliability values of significant and supporting relationships are given. Relevant relationships between elements of system streams were defined as having one-time...
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Ogrzewanie basenów kąpielowych przy zastosowaniu kolektorów słonecznych
PublicationZaprezentowano rozwiązania techniczne kolektorów słonecznych oraz sposoby ich wykorzystywania do podgrzewania wody basenowej w układach hybrydowych.
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KTaO3-based nanocomposites for air treatment
PublicationA series of single semiconductors and their nanocomposites combination (such as KTaO3 + CdSe + SrTiO3; KTaO3 + CdS +WO3; KTaO3 + CdS + MoS2) were prepared using hydrothermal route. Photocatalytic activity of as-prepared nanocomposites was estimated by photocatalytic degradation of toluene in the gas phase using light-emitting diodes (LEDs, 375 nm) in four subsequent cycles. The nanocomposites were characterized by scanning electron...
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Vision-based motion analysis of kitesurfer
PublicationKitesurfing is a relatively recent phenomenon with raising popularity worldwide – a recently developed extreme water sport considered a high-risk injury sport. It combines elements of several other sports, in particular sailing, surfing, windsurfing, wakeboarding, and snowboarding. The main purpose of authors’ research in the present paper is to use a vision system technique for measuring a kitesurfer’s body movements in order...
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Alternative Modeling of Volunteer Based Systems
PublicationThe canonical approach to model a flow of a voluntary based computing, as presented in Chapter 7 may tax the capacity of the simulator, especially when a more complex model of Voluntary Computing, proposed in [1], is used which would imply that, for typical heterogeneous groups of volunteers, several thousands of threads would have to be run inside the simulator, to mimic closely the behaviour of every volunteer. This chapter presents...
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Utilising IT-based systems in regatta management
PublicationThe development and increasing accessibility of new technologies has brought changes to the management of sailing regattas. Organisational and promotional difficulties faced by the organisers are now being tackled with software-based systems. This article considers various information technology (IT) systems, designed to support the organisation and presentation of sailing regattas and explores how they are perceived by regatta...
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Automated Reasoning Based User Interface
PublicationMotivation: The ability to directly trace how requirements are implemented in a software system is crucial in domains that require a high level of trust (e.g. medicine, law, crisis management). This paper describes an approach that allows a high level of traceability to be achieved with model-driven engineering supported by automated reasoning. The paper gives an introduction to the novel, automated user interface synthesis in...
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Experience-based knowledge representation: Soeks
PublicationPrzedstawiono koncepcję i realizację reprezentacji wiedzy opartej na zbiorze doświadczeń z przeszłości.
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Inseparability criteria based on matrices of moments
PublicationInseparability criteria for continuous and discrete bipartite quantum states based on moments of annihilationand creation operators are studied by developing the idea of Shchukin-Vogel criterion Phys. Rev. Lett. 95,230502 2005. If a state is separable, then the corresponding matrix of moments is separable too. Thus, wederive generalized criteria based on the separability properties of the matrix of moments. In particular, acriterion...
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Gesture-based computer control system
PublicationIn the paper a system for controlling computer applications by hand gestures is presented. First, selected methods used for gesture recognition are described. The system hardware and a way of controlling a computer by gestures are described. The architecture of the software along with hand gesture recognition methods and algorithms used are presented. Examples of basic and complex gestures recognized by the system are given.
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Identity verification based on mouse movements
PublicationW pracy przedstawiono ideę systemu zabezpieczeń biometrycznych opartego na sposobie poruszania myszą. Pomiary odczytywane z myszy są przykładem cech behawioralnych, które w przeciwieństwie do fizjologicznych są bardzo niestabilne. Opisano zbiór cech, które można wydobyć z danych pochodzących z myszy. Przeprowadzono eksperymenty dla danych zebranych od trzynastu użytkowników. Zaprezentowano wyniki uwierzytelniania za pomocą metody...
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Speech Analytics Based on Machine Learning
PublicationIn this chapter, the process of speech data preparation for machine learning is discussed in detail. Examples of speech analytics methods applied to phonemes and allophones are shown. Further, an approach to automatic phoneme recognition involving optimized parametrization and a classifier belonging to machine learning algorithms is discussed. Feature vectors are built on the basis of descriptors coming from the music information...
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Image Classification Based on Video Segments
PublicationIn the dissertation a new method for improving the quality of classifications of images in video streams has been proposed and analyzed. In multiple fields concerning such a classification, the proposed algorithms focus on the analysis of single frames. This class of algorithms has been named OFA (One Frame Analyzed).In the dissertation, small segments of the video are considered and each image is analyzed in the context of its...
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Information Based Integration for Complex Systems
PublicationW rozdziale zaproponowano strukturę inteligentnego systemu wspomagania procesu integracji dla złożonych systemów wytwarzania. System wspomagania oparto na bazie wiedzy w której wiedza modelowana jest regułami produkcji. Zbudowano również iteracyjny algorytm integracji. Samą ideę integracji oparto na przepływach informacyjnych.
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KTaO3-based nanocomposites for air treatment
PublicationThe advantage is that photocatalytic methods allow removing VOCs, NOx, SO2, deodorants, and microorganisms at the same system. The new third generation of photoactive materials activated by low powered and low cost irradiation sources (such as LEDs or black fluorescent UV lamps) can be used as photocatalysts in air purification systems. A series of single semiconductors and their nanocomposites combination were prepared using hydrothermal...
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Controlled English Interface for Knowledge Bases
PublicationThis paper describes the approach to interface for OWL Knowledge Bases based on Controlled English that is transformed directly to OWL 2 expressions and back. Two possible modes enable usage of the interface to specify Terminology, World Description as well as Integrity Constrains. Knowledge Base then can be validated against the Integrity Constrains to enable its continuous validation.
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Gas sensors based on superionic conductors
PublicationW pracy przedstawiono przegląd rozwiązań elektrochemicznych czujników gazów na bazie elektrolitów stałych.
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Towards context-semantic knowledge bases
PublicationW artykule dyskutujemy zagadnienie projektowania kontekstowych baz wiedzy. W oparciu o tezę, że kontekstualizacja jest integralną części procesu konceptualizacji, przeprowadzamy rozszerzenie wybranych pojęć metody OntoClean tak, by choć częściowo uwzględniała ten fakt. Wprowadzamy także definicję ważnego pojęcia semantycznej kontekstowej bazy wiedzy i pokazujemy, że bazy zgodne z modelem SIM spełniają tę definicję.
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Ionic liquids-based microextraction techniques
PublicationIn recent years, the development of highly efficient analytical techniques is of great importance, however, the direct analysis of complex sample matrix is still impossible in many cases. Therefore, the step of sample preparation is commonly involved in an analytical procedure. Over the years, it has been realized that the major source of inaccuracy and imprecision on general analysis results from the operations associated to sample...
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SEDIMENT DEPOSITION IN RESERVOIRS IN URBAN BASIN
PublicationIn recent years Gdańsk had sustained economic and social losses due to severe flash floods coming down from moraine hills. The first flood occurred in July 2001 and the second in July 2016. Both events were caused by intense and long rainfall characterized by different from each other rain intensity in time. Among other Gdansk’s streams the Oliwski Stream has the most extended flood protection system consist of 15 small retention...
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Active Learning Based on Crowdsourced Data
PublicationThe paper proposes a crowdsourcing-based approach for annotated data acquisition and means to support Active Learning training approach. In the proposed solution, aimed at data engineers, the knowledge of the crowd serves as an oracle that is able to judge whether the given sample is informative or not. The proposed solution reduces the amount of work needed to annotate large sets of data. Furthermore, it allows a perpetual increase...
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Fundamentals of Physics-Based Surrogate Modeling
PublicationChapter 1 was focused on data-driven (or approximation-based) modeling methods. The second major class of surrogates are physics-based models outlined in this chapter. Although they are not as popular, their importance is growing because of the challenges related to construction and handling of approximation surrogates for many real-world problems. The high cost of evaluating computational models, nonlinearity of system responses,...
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Buzz-based honeybee colony fingerprint
PublicationNon-intrusive remote monitoring has its applications in a variety of areas. For industrial surveillance case, devices are capable of detecting anomalies that may threaten machine operation. Similarly, agricultural monitoring devices are used to supervise livestock or provide higher yields. Modern IoT devices are often coupled with Machine Learning models, which provide valuable insights into device operation. However, the data...
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Non-Isocyanate-Based Waterborne Polyurethanes
PublicationNon-isocyanate polyurethanes (NIPUs) are a greener alternative for the conventional polyurethanes synthesized using toxic and moisture-sensitive di- or polyisocyanates. The most often described method of NIPU synthesis involves the reaction of five-membered cyclic carbonates with amines, and resulting polymers containing primary and secondary hydroxyl groups (so they are also known as polyhydroxyurethanes), which can be further...
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Featured based CAVE software factory
PublicationIn the paper we convey the lessons learned along the path we have gone through several years since establishing a room-sized CAVE installation at our university, from craft manufacturing and ad-hoc software reuse of VR software products to the robust feature driven software product line (SPL) implementing the Product Line Engineering (PLE) factory paradigm. With that we can serve all our departments and other entities from the...
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Cobalt-based Catalysts for Ammonia Decomposition
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The structural investigations of the bronze based CuMn12Al7Fe3Ni3
PublicationStopy miedzi są stosowane w przemyśle morskim, ze względu na swoje właściwości takie jak odporność erozyjna, odporność korozyjna czy też wysoka wytrzymałość korozyjno-zmęczeniowa. Oczywistym jest, iż właściwości brązów są wyższe niż mosiądzów.W pracy przedstawiono wyniki badań brązu CuMn12Al7Fe3Ni3 (BM12733), który jest najpowszechniej stosowany na okrętowe pędniki śrubowe. Zebrano i zaprezentowano wyniki badania składu chemicznego,...
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Element sensor based on microplasma generators
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Homology algorithm based on acyclic subspace
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Progress in GEM-based gaseous photomultipliers
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Properties of Clinoptilolite Based Autoclaved Composites
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Electronic Circuits for Graphene-Based Biosensor
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Electrorheological Fluid Based Clutches and Brakes
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Superconductivity in the Rh-based Heusler familyMRh2Sn
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Ground-based radiolocation system - AEGIR
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An agent-based approach to ANN training
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PCA based Fault Tolerant MPC
PublicationThis chapter presents a Fault Tolerant - Model Predictive Control (FT-MPC) schemes for sensor faults accommodation. A Fault Detection and Isolation (FDI) Unit, which is an integral part of FT-MPC system, is based on the Principal Component Analysis (PCA) method. Introduced approach enables efficient bias and drift faults accommodation in single, as well as simultaneous faults case. Simple simulation exercise is presented.Rozdział...
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Knowledge-based models of the organization transformation
PublicationW artykule omówiono zastosowanie modeli opartych na wiedzy do wspomagania transformacji organizacji. Organizacje wytwarzające systemy informatyczne mogą wykorzystywać modele oparte na wiedzy (do gromadzenia danych o procesach transformacji i wspomagać te procesy) w procesach zmian zgodnych ze standardami CMMI. W artykule omówiono metody modelowania i wytwarzania takich baz jak również wskazano na ich przydatność dla zróżnicowanych...
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Twitter-Based uncertainty and cryptocurrency returns
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Country selection strategies based on quality
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A consensus-based approach to the distributed learning
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