Filtry
wszystkich: 4354
wybranych: 3986
-
Katalog
- Publikacje 3986 wyników po odfiltrowaniu
- Czasopisma 122 wyników po odfiltrowaniu
- Konferencje 34 wyników po odfiltrowaniu
- Wydawnictwa 1 wyników po odfiltrowaniu
- Osoby 70 wyników po odfiltrowaniu
- Projekty 4 wyników po odfiltrowaniu
- Aparatura Badawcza 1 wyników po odfiltrowaniu
- Kursy Online 46 wyników po odfiltrowaniu
- Wydarzenia 1 wyników po odfiltrowaniu
- Dane Badawcze 89 wyników po odfiltrowaniu
Filtry wybranego katalogu
wyświetlamy 1000 najlepszych wyników Pomoc
Wyniki wyszukiwania dla: SAFETY PERFORMANCE INDICATOR
-
Anomaly Detection in Railway Sensor Data Environments: State-of-the-Art Methods and Empirical Performance Evaluation
PublikacjaTo date, significant progress has been made in the field of railway anomaly detection using technologies such as real-time data analytics, the Internet of Things, and machine learning. As technology continues to evolve, the ability to detect and respond to anomalies in railway systems is once again in the spotlight. However, railway anomaly detection faces challenges related to the vast infrastructure, dynamic conditions, aging...
-
DEPO: A dynamic energy‐performance optimizer tool for automatic power capping for energy efficient high‐performance computing
PublikacjaIn the article we propose an automatic power capping software tool DEPO that allows one to perform runtime optimization of performance and energy related metrics. For an assumed application model with an initialization phase followed by a running phase with uniform compute and memory intensity, the tool performs automatic tuning engaging one of the two exploration algorithms—linear search (LS) and golden section search (GSS), finds...
-
Performance of a plate heat exchanger operated with water-Al2O3 nanofluid
PublikacjaThis study is focused on experimental investigation of a selected type of brazed plate heat exchanger (PHEx). The main aim of the paper was to experimentally check the ability of nanofluids to enhance the performance of PHEx. A typical water-Al2O3 nanofluid was tested and compared to that of the base fluid, i.e. water. Nanoparticles were tested at the concentration of 0.1% and 1% by weight. Impact of the 1 day and 3 days break...
-
Performance of a plate heat exchanger operated with water-Al2O3 nanofluid
PublikacjaThis study is focused on experimental investigation of a selected type of brazed plate heat exchanger (PHEx). The main aim of the paper was to experimentally check the ability of nanofluids to enhance the performance of PHEx. A typical water-Al2O3 nanofluid was tested and compared to that of the base fluid, i.e. water. Nanoparticles were tested at the concentration of 0.1% and 1% by weight. Impact of the 1 day and 3 days break...
-
Performance of a plate heat exchanger operated with water-Al2O3 nanofluid
PublikacjaThis study is focused on experimental investigation of a selected type of brazed plate heat exchanger (PHEx). The main aim of the paper was to experimentally check the ability of nanofluids to enhance the performance of PHEx. A typical water-Al2O3 nanofluid was tested and compared to that of the base fluid, i.e. water. Nanoparticles were tested at the concentration of 0.1% and 1% by weight. Impact of the 1 day and 3 days break...
-
Influence analysis of selected parameters on the ASON/GMPLS control plane performance
PublikacjaThe paper regards the problem of ASON/GMPLS performance. The authors present influence analysis of selected parameters on the ASON/GMPLS control plane performance represented in mean Connection Set-up Time E(CST) and mean Connection Release Time E(CRT). The selected parameters are: offered traffic, request intensity and proportion of requests class. The influence analysis is performed with simulation method by using OMNeT++ discrete-event...
-
Sources of Market Information, Its Quality and New Product Financial Performance
PublikacjaWhile we observe a growing interest in the role of market information in new product development (NPD), existing research has still largely ignored the quality of market information that is a crucial issue in the era of the information society. What does affect the quality of market information in new product development projects, and how does this quality influence the financial performance of new products? In this paper, we address...
-
Performance/energy aware optimization of parallel applications on GPUs under power capping
PublikacjaIn the paper we present an approach and results from application of the modern power capping mechanism available for NVIDIA GPUs to the bench- marks such as NAS Parallel Benchmarks BT, SP and LU as well as cublasgemm- benchmark which are widely used for assessment of high performance computing systems’ performance. Specifically, depending on the benchmarks, various power cap configurations are best for desired trade-off of performance...
-
The microbial community, its biochemical potential, and the antimicrobial resistance of Enterococcus spp. in Arctic lakes under natural and anthropogenic impact (West Spitsbergen)
PublikacjaThe sustainable management of small human communities in the Arctic is challenging. In this study, both a water supply system (Lake 1) under the natural impact of a bird-nesting area, and a wastewater receiver (Lake 2) were analysed in the vicinity of the Polish Polar Station on West Spitsbergen. Microbial community composition, abundance and activity were assessed in samples of the treated wastewater, lake water and sediments...
-
Measurements of ASON/GMPLS connection control layer performance according to the ETSI methodology
PublikacjaMeasurements of performance have always been crucial for evaluation of telecommunication systems, especially for implementation of network control elements responsible for connection handling which regards to bandwidth reservation, modification and release. That problem also arises in Automatically Switched Optical Network/Generalized Multiprotocol Label Switching (ASON/GMLPS) architecture, which is considered as one of the components...
-
Advanced Lithium-Ion Battery Model for Power System Performance Analysis
PublikacjaThe paper describes a novel approach in battery storage system modelling. Different types of lithium-ion batteries exhibit differences in performance due to the battery anode and cathode materials being the determining factors in the storage system performance. Because of this, the influence of model parameters on the model accuracy can be different for different battery types. These models are used in battery management system...
-
Using phase of short-term Fourier transform for evaluation of spectrogram performance
PublikacjaThe concept of spectrogram performance evaluation which exploits information on phase of short-term Fourier transform (STFT) is presented. A spectrograph which is time-frequency analyzing tool, is compared to a filter bank that demultiplexes a signal. Local group delay (LGD) and channelized instantaneous frequency (CIF) is obtained for each filtered component signal. In presented solution the performance is evaluated using so-called...
-
Performance Analysis of the OpenCL Environment on Mobile Platforms
PublikacjaToday’s smartphones have more and more features that so far were only assigned to personal computers. Every year these devices are composed of better and more efficient components. Everything indicates that modern smartphones are replacing ordinary computers in various activities. High computing power is required for tasks such as image processing, speech recognition and object detection. This paper analyses the performance of...
-
On UMTS HSDPA Performance
PublikacjaMechanizm szybkiej transmisji danych do uzytkownika, HSDPA, zostal wprowadzony w wersji 5 systemu UMTS. Poza nowymi rozwiazaniami w warstwie fizycznej wprowadzono szereg zmian w protokole dostepu do lacza oraz dodano nowa podwarstwe MAC-hs. Celem tego artykulu jest przeanalizowanie mechanizmow odpowiedzialnych za transmisje danych w MAC-hs, przedstawienie wybranych problemow zwiazanych z ta warstwa oraz zaproponowanie mozliwych...
-
Experimental investigation into surface texture effect on journal bearings performance
PublikacjaThe aim of this study was to analyse the performance of journal bearings with specially created dimples on the sliding surface and operating under various conditions. The texture was created on the bearing surface that co-acted with the smooth journal; moreover, the variation of the textured surface of the journal mating with the smooth bearing was tested, and the results were compared to those obtained with the standard smooth...
-
ProSIL software for computer aided functional Safety management = Program komputerowy ProSIL do wspomagania zarządzaniem bezpieczeństwa funkcjonalnego
Publikacja..
-
Improving css-KNN Classification Performance by Shifts in Training Data
PublikacjaThis paper presents a new approach to improve the performance of a css-k-NN classifier for categorization of text documents. The css-k-NN classifier (i.e., a threshold-based variation of a standard k-NN classifier we proposed in [1]) is a lazy-learning instance-based classifier. It does not have parameters associated with features and/or classes of objects, that would be optimized during off-line learning. In this paper we propose...
-
Benefit of the doubt approach to assessing the research performance of Australian universities
PublikacjaThis paper proposes a benefit of the doubt (BoD) approach to assess the research performance of 37 public Australian universities based on data from 2015. The primary activities of Higher Education institutions are teaching and research, but the prestige of a university depends mainly on the results of its research activities. The BoD method is rooted in the data envelopment analysis methodology, which enables the flexible and...
-
Architecture Design of a Networked Music Performance Platform for a Chamber Choir
PublikacjaThis paper describes an architecture design process for Networked Music Performance (NMP) platform for medium-sized conducted music ensembles, based on remote rehearsals of Academic Choir of Gdańsk University of Technology. The issues of real-time remote communication, in-person music performance, and NMP are described. Three iterative steps defining and extending the architecture of the NMP platform with additional features to...
-
Evaluation of Asphalt Mixture Low-Temperature Performance in Bending Beam Creep Test
PublikacjaLow-temperature cracking is one of the most common road pavement distress types in Poland. While bitumen performance can be evaluated in detail using bending beam rheometer (BBR) or dynamic shear rheometer (DSR) tests, none of the normalized test methods gives a comprehensive representation of low-temperature performance of the asphalt mixtures. This article presents the Bending Beam Creep test performed at temperatures from −20...
-
Topological modifications for performance improvement and size reduction of wideband antenna structures
PublikacjaCompact antennas belong to the key components of modern communication systems. Their miniaturization is often achieved by introducing appropriate topological changes such as simple ground plane slots or tapered feeds. More sophisticated modifications are rarely considered in the literature because they normally lead to significant increase of the number of tunable parameters, which makes the antenna design process more challenging....
-
Merton-type default risk and financial performance: the dynamic panel moderation of firm size
PublikacjaPurpose – The main purpose of this study is to evaluate the probability of default and examine the relationship between default risk and financial performance, with dynamic panel moderation of firm size. Design/methodology/approach – This study utilizes a total of 1,500 firm-year observations from 2013 to 2018 using dynamic panel data approach of generalized method of moments to test the relationship between default risk and financial...
-
Effect of BMI on safety of bariatric surgery during the COVID-19 pandemic, procedure choice, and safety protocols – An analysis from the GENEVA Study
Publikacja -
Managing safety of industrial hazardous installations with emphasis on the control systems, interfaces and human factors
PublikacjaIn the paper a procedure for the layer of protection analysis (LOPA) as a tool to evaluate the risk of accident scenarios occurrence in hazardous installations is outlined. In such installations several protection layers exist. Human operator performance in each layer is unavoidable, but the role and tasks are different and depend on the context of situation. Based on suggestions form literature (EEMUA, CREAM) and own proposals...
-
Numerical investigation on dynamic performance of a multi-storey steel structure model and comparison with experimental results
PublikacjaShaking table testing is the most commonly adopted method to simulate earthquake forces. This approach allows us to analyze the dynamic performance and provides a valuable insight into the dynamics of building structures, which helps to improve their future safety and reliability. The present study aims to conduct a numerical evaluation of dynamic response of a multi-storey steel structure model, which was previously examined during...
-
Numerical Investigation on Dynamic Performance of a Multi-storey Steel Structure Model and Comparison with Experimental Results
PublikacjaShaking table testing is the most commonly adopted method to simulate earthquake forces. This approach allows us to analyze the dynamic performance and provides a valuable insight into the dynamics of building structures, which helps to improve their future safety and reliability. The present study aims to conduct a numerical evaluation of dynamic response of a multi-storey steel structure model, which was previously examined during...
-
Influence of Dielectric Overlay Permittivity on Size and Performance of Miniaturized ESPAR Antenna
PublikacjaIn this paper, influence of dielectric overlay permittivity on miniaturized ESPAR antenna parameters is presented. ESPAR antenna is a low-cost and energy-efficient way to implement beam steering capability to a node and improve network performance. The antenna size reduction is obtained by embedding its active and passive elements in ABS based materials of relative permittivity equal to 4, 5.5 and 7.5 in order to achieve network...
-
Performance-Driven Surrogate Modeling of High-Frequency Structures
PublikacjaThe development of modern high-frequency structures, including microwave and antenna components, heavily relies on full-wave electromagnetic (EM) simulation models. Notwithstanding, EM-driven design entails considerable computational expenses. This is especially troublesome when solving tasks that require massive EM analyzes, parametric optimization and uncertainty quantification be-ing representative examples. The employment of...
-
Energy-Aware Scheduling for High-Performance Computing Systems: A Survey
PublikacjaHigh-performance computing (HPC), according to its name, is traditionally oriented toward performance, especially the execution time and scalability of the computations. However, due to the high cost and environmental issues, energy consumption has already become a very important factor that needs to be considered. The paper presents a survey of energy-aware scheduling methods used in a modern HPC environment, starting with the...
-
A NEW WORK SAFETY MANAGEMENT SYSTEM IN CONSTRUCTION SITES
PublikacjaThe hazards on the list are assessed on two levels, namely as minor and serious, and the risk relating to work at the site at three levels: small, average and high, within the range from 1 to 10, where 1 is the lowest value meaning a small risk, and 10 the value meaning a high risk.
-
Safety and security governance problems of critical systems and infrastructures
PublikacjaW artykule przedstawiono kilka problemów związanych z zarządzaniem bezpieczeństwem i ochroną informacji w systemach i infrastrukturach krytycznych.Bardzo ważne jest zidentyfikowanie i scharakteryzowanie infrastruktury krytycznej. Przedstawiono nowe wyzwania związane z łączeniem podejścia bezpieczeństwa i ochrony informacji w procesie podejmowania decyzji
-
Supporting compliance with safety standards by trust case templates
PublikacjaStandard Compliance (SC) Framework presented in this paper encompasses methods and tools which provide support for application of standards. The framework is based on trust case methodology. A trust case is a data structure which represents a justification that an object (a system, an infrastructure, an organization) exhibits certain properties. It contains an argument and related evidence which support claimed properties. A trust...
-
A Model of Risk for Assessment of Safety of Ships in Damaged Conditions
Publikacja -
ZEUS - project of integrated transport safety system in Poland
PublikacjaPolska, podobnie jak inne kraje UE, doświadcza znaczących dysproporcji pomiędzy liczbą wypadków w transporcie drogowym i pozostałych jego rodzajach. Każda z gałęzi posiada różny system zarządzania bezpieczeństwem , bazy danych, zarządców infrastruktury itp. Chociaż systemy poszczególnych rodzajów transportu tak się różnią, poprawę ich bezpieczeństwa można osiągnąć poprzez integrację i wzajemne korzystanie z dobrych - krajowych...
-
Electromagnetic Interference Issue in Safety Systems Applied at Airports
Publikacja -
A bibliometric analysis of the recent achievements in pulmonary safety of nanoparticles
Publikacja -
Operation of gas turbine engines as the index of their reliability and safety.
PublikacjaW referacie przedstawiono propozycję ilościowej interpretacji działania turbinowego silnika spalinowego, które (podobnie jak przedstawione w fizyce działania Hamiltona i Maupertiusa oraz działanie wynikające ze zmiany pędu ciała) jest rozpatrywane jako wielkość fizyczna z jednostką miary zwaną dżulosekundą [dżulsekunda]. Wykazano też, że taka interpretacja działania może być uznana za wskaźnik niezawodności, a w szczególnych przypadkach...
-
A probabilistic model of envirinmental safety of ship power plant.
PublikacjaPrzedstawiono probabilistyczne podejście do oceny bezpieczeństwa środowiskowego siłowni statku. Wyznaczono miarę ryzyka oraz kryterium ryzyka środowiskowego siłowni statku.
-
Towards hardware built-in support for computer system safety
PublikacjaArtykuł omawia dostępne technologie wirtualizacji zasobów pamięci i systemów I/O w systemach komputerowych takie jak Execute Disable Bit (EDB) capability i Virtual Machine Architecture (VMA). Nastepnie wprowadza założenia na rozszerzenie tych technologii w celu uzyskania funkcjonalności Safe Call Execution dzieki technologii Execution Disabling Policies (EDP). Wprowadzono również założenia na funkcjonalność Memory Virtualization...
-
Challenges in security and safety management of critical systems and infrastructures
PublikacjaReferat poświęcono aktualnym problemom zarządzania bezpieczeństwem systemów i infrastruktur krytycznych. Infrastruktury krytyczne szereguje się z uwzględnieniem kilku kryteriów. Zarysowuje się problematykę zarządzania podatnością obiektów podwyższonego ryzyka na działania z zewnątrz oraz zagadnienie analizy ryzyka na przykładzie systemu elektroenergetycznego. W końcowej części referatu opisuje się nowe wyzwania związane z zarządzaniem...
-
Speed monitoring and management in national road safety program
PublikacjaW referacie przedstawiono system długoterminowych badań prędkości pojazdów umozliwiający śledzenie ich zmian. Zmiany te są analizowane w powiązaniu z wdrażanymi środkami nadzoru oraz edukacyjnymi oddziaływaniami na uczestników ruchu, a także ze zmianami infrastruktury drogowej. Podano też ogólne zalecenia do programu GAMBIT 2005, wynikające z dotychczasowych badań prędkości.
-
Monitoring of safety belts use on national and regional level
PublikacjaW referacie przedstawiono charakterystykę krajowego i regionalnych systemów monitorowania stosowania pasów bezpieczeństwa w pojazdach. Bazę systemu krajowego stanowi 16 stacji pomiarowych o stałych lokalizacjach w stolicach województw, natomiast bazę systemów regionalnych stanowią stałe punkty pomiarowe rozmieszczone w stolicach powiatów oraz na wybranych drogach. Badania prowadzone są w kraju co 2 miesiące, w województwach co...
-
Implementation of road safety programmes in Polish regions and poviats
PublikacjaZarządzanie bezpieczeństwem ruchu jest słabą stroną zarządzania drogami i ruchem drogowym w Polsce. W referacie przedstawiono sposób usystematyzowanego podejścia do struktury i organizacji takiego zarządzania bazując w tym na dotychczasowym doświadczeniu uzyskanym przy tworzeniu regionalnych programów poprawy brd w Polsce.
-
Funcional safety concept for hazardous systems and new challenges
PublikacjaPrzedstawia się wybrane zagadnienia bezpieczeństwa funkcjonalnego według norm międzynarodowych IEC 61508 i IEC 61511. Opisuje się proces wyznaczanie poziomu nienaruszalności bezpieczeństwa (SIL) systemów elektrycznych, elektronicznych i programowalnych elektronicznych (E/E/PE). Podkreśla się znaczenie modelowania probabilistycznego tych systemów i weryfikowania SIL. Omawia się nowe aspekty analizy bezpieczeństwa funkcjonalnego...
-
Hybrid use of the building as a method supporting epidemic safety
PublikacjaThe COVID-19 pandemic has resulted in changing organisational and technical requirements in the operation of treatment facilities. This paper summarises the available knowledge on the principles of hybrid design of the architecture of treatment units to ensure that different levels of sanitary and hygienic safeguards can be implemented. The basis of this narrative overview is an analysis of the existing Polish legislation on required...
-
Assessment of safety - related systems in industrial hazardous plants
PublikacjaPrzedstawiono problemy związane z określaniem bezpieczeństwa funkcjonalnego systemów przemysłowych, w oparciu o standard IEC 61508. Wykorzystując informacje zawarte w cytowanym standardzie opisujemy metody określenia wymaganych poziomów zabezpieczeń dla instalacji przemysłowej. Wyjaśniamy znaczenie poziomów SIL. Poddano dyskusji procedurę poprawnego określania poziomów bezpieczeństwa systemów składających się z elementów o...
-
Operation of technical systems as the index of reliability and safety ofthem
PublikacjaPrzedstawiono propozycję ilościowej interpretacji działania systemów technicznych, która jest rozpatrywana jako wielkość fizyczna z jednostką miary zwaną dżulosekundą [dżulxsekunda]. Wykazane zostanie też, że taka interpretacja działania może być uznana za wskaźnik niezawodności, a w szczególnych przypadkach - wskaźnik bezpieczeństwa funkcjonowania takiego sytemu. Do uzasadnienia takiej przydatności wspomnianego działania silnika...
-
Corrosion monitoring as a factor increasing the safety of hydrotechnical infrastructure
PublikacjaWater distribution systems at KGHM S.A. are of great importance for the efficient production of copper and environmental protection. For failures leading to perforation and leakage, the corrosion processes are responsible. This paper aims to assess corrosion on the basis of the analysis of the exposure of the Hydrotechnical Plant pipelines. To this end, the system of transfer and deposition of post-flotation waste as well as the...
-
Food safety of potato processed in the aspect of acrylamide risk
Publikacja -
BeesyCluster as Front-End for High Performance Computing Services
PublikacjaThe paper presents the BeesyCluster system as a middleware allowing invocation of services on high performance computing resources within the NIWA Centre of Competence project. Access is possible through both WWW and SOAP Web Service interfaces. The former allows non-experienced users to invoke both simple and complex services exposed through easyto-use servlets. The latter is meant for integration of external applications with...