Filters
total: 1174
-
Catalog
displaying 1000 best results Help
Search results for: SMART SURVEILLANCE
-
Vibration surveillance during milling of flexible details with a use of the optimal control
PublicationPraca dotyczy nadzorowania drgań podczas obróbki frezem kulistym zakrzywionych przedmiotów podatnych. Utworzono model hybrydowy niestacjonarnego układu drgającego i wydzielono podukłady: strukturalny, modalny oraz łączący. Istotnym zadaniem było utworzenie modelu przedmiotu podatnego w konwencji metody elementów skończonych oraz uzyskanie dobrej zgodności modelu z wynikami eksperymentalnej analizy modalnej obiektu rzeczywistego.
-
Mechatronic design for the high speed milling surveillance of the complex and flexible details
PublicationW pracy przedstawiono mechatroniczny system tworzenia mapy optymalnych prędkości obrotowych wrzeciona. W trakcie frezowania szybkościowego przedmiotów podatnych mogą wystąpić drgania samowzbudne typu chatter. Używana zazwyczaj procedura ustawiania wymaganej prędkości obrotowej wrzeciona metodą prób i błędów, w wielu przypadkach nie jest zalecana. Przedstawiona procedura nadzorowania może doprowadzić do uniknięcia ryzyka wystąpienia...
-
A possibility of vibration surveillance of linear unsteady systems at energy performance index
PublicationW pracy przedstawiono metodę nadzorowania drgań za pomocą sterowania optymalnego przy energetycznym wskaźniku jakości. Rozważano sterowanie w liniowych układach niestacjonarnych pełnych oraz zredukowanych. Rozważania zilustrowano przykładem nadzorowania drgań pomostów wagi kolejowej podczas ważenia dynamicznego wagonów. Wykazano użyteczność oraz przydatność praktyczną proponowanej metody nadzorowania drgań w układzie pierwotnym...
-
High speed milling vibration surveillance using modal model of the tool
PublicationPraca poświęcona jest nadzorowaniu drgań wirujących narzędzi w nowoczesnych frezarkach. Przedmiotem rozważań jest proces frezowania szybkościowego smukłym frezem kulistym na 5-osiowym centrum obróbkowym Deckel Maho DMU 50eVolution. Frezowanie smukłymi narzędziami jest często stosowane w przypadku nowoczesnych centrów obróbkowych. Uzasadnienie technologiczne wynika z konieczności dokładnego wykonywania złożonych kształtów geometrycznych...
-
Food Additives & Contaminants Part B-Surveillance
Journals -
New Zealand Public Health Surveillance Report
Journals -
On a 3D material modelling of smart nanocomposite structures
PublicationSmart composites (SCs) are utilized in electro-mechanical systems such as actuators and energy harvesters. Typically, thin-walled components such as beams, plates, and shells are employed as structural elements to achieve the mechanical behavior desired in these composites. SCs exhibit various advanced properties, ranging from lower order phenomena like piezoelectricity and piezomagneticity, to higher order effects including flexoelectricity...
-
Implementation of Business Processes in Smart Cities Technology
PublicationThe goal of the paper is to present the results of studies concerning the development of a method of implementation of business processes in Smart Cities systems. The method has been developed during studies carried out within the building of a Smart Cities system for Gdańsk, and is based on basic development project management mechanisms (drawing from best practices, and in particular from the RUP methodology) and business-oriented...
-
Network society: a concept of smart information management
PublicationAutomatic enhancement of Internet broadcasted news has been recently gaining increasing importance and interest. Existing applications and models of textual Event Detection in online media are based on the analysis of news distributed via RSS (Rich Site Summary called also Really Simple Syndication) channels or available at news websites. It assumes that each piece of news is equally available to the reader and, therefore, describes...
-
Smart Urban Growth - Myth or New Paradigm?
PublicationArtykuł prezentuje wizję 'smart growth' na przykładzie miast regionu morza Bałtyckiego.
-
Volunteer Computing System Comcute with Smart Scheduler
PublicationIn this paper, a volunteer grid called Comcute is studied. Moreover, the harmony search scheduler is proposed. This scheduler has been designed for efficient using some resources of volunteer grid. The harmony search scheduler optimizes both a workload of a bottleneck computer and the cost of grid. Finally, some experiment outcomes have been discussed.
-
Interactions with recognized patients using smart glasses
PublicationRecently, different smart glasses solutions have been proposed on the market. The rapid development of this wearable technology has led to several research projects related to applications of smart glasses in healthcare. In this paper we propose a general architecture of the system enabling data integration for the recognized person. In the proposed system smart glasses integrates data obtained for the recognized patient from health...
-
Experimental Researches of Hydraulic Clutches with Smart Fluids
Publication -
THE IMPACT OF STANDARDISATION METHOD ON SMART CITY RANKING
Publication -
Smart Underwater Positioning System and Simultaneous Communication
Publication -
Knowledge mangement: towards smart it suport system
PublicationW pracy zaprezentowano problematykę wykorzystania wiedzy w projektowaniu systemów inteligentnych. wydaje się, bowiem, że przy realizacji przedsięwzięcia zarządzanie wiedzą w procesach analizy wymagań ma kluczowe znaczenie dla sukcesu przedsięwzięcia. Omówiono metody pozyskiwania i przetwarzania wiedzy na potrzeby semantic web, scharakteryzowano to podejście, a także wykazano jego przydatność dla systemów informatycznych wspomagających...
-
Searching for smart solutions:Comparative study of Gdansk and Glasgow
PublicationThis chapter is the executive summary of undertaken comparative study between Gdansk and Glasgow.
-
A Review of Standards with Cybersecurity Requirements for Smart Grid
PublicationAssuring cybersecurity of the smart grid is indispensable for the reliable operation of this new form of the electricity network. Experts agree that standardised solutions and practices should be applied in the first place. In recent years many new standards for smart grids have been published, which paradoxically results in the difficulty of finding a relevant publication in this plethora of literature. This paper presents results...
-
Standards on Cyber Security Assessment of Smart Grid
PublicationSecurity evaluation of communication systems in smart grid poses a great challenge to the developers and operators. In recent years many new smart grid standards were proposed, which paradoxically results in the difficulty in finding a relevant publication in this plethora of literature. This paper presents the results of a systematic analysis which aimed at addressing this issue by identifying standards that present sound security...
-
High Frequency Harmonics Emission in Smart Grids
PublicationPulse-width modulated rectifiers are nowadays commonly used for AC to DC power conversion. PWM rectification technology is very effective and allows for bidirectional power flow with the possibility of power factor improvement and low-order harmonic emission limitation. Unfortunately, employed PWM boost topology results with generation of input current harmonic distortions in a frequency range tightly correlated to modulation frequency....
-
A compact smart resistive sensor based on a microcontroller
PublicationPrzedstawiono nowe rozwiązanie inteligentnego czujnika rezystancyjnego bazującego na mikrokontrolerze, w którym czujnik rezystancyjny jest elementem składowym filtra anty-aliazingowego przetwornika A/C. Procedura pomiaru temperatury obejmuje pobudzenie filtra dwoma impulsami prostokątnymi o zadanym czasie trwania oraz próbkowanie jego odpowiedzi czasowej. Następnie na podstawie wartości pomierzonych próbek napięcia wyznaczana jest...
-
Smart Weighing Scale with Feet-Sampled ECG
PublicationIn a smart home, health and well-being monitoring systems could be embedded in everyday devices providing a pervasive care. A home bathroom scale is an example of such a device, typically used to measure body weight and very often its composition (e.g. body water/fat percentage). In this paper, we analyzed a potential use of the bathroom scale to measure electrocardiogram (ECG) from electrodes located on the scale's tile. In particular...
-
Fabrication methods of smart composite coatings - review
PublicationPostoperative bacterial infections are one of the main reasons for unsuccessful implantation of long-term implants. The development of bacterial infection requires antibiotic therapy, in extreme cases a reimplantation procedure is necessary. In order to provide materials for implants with antibacterial properties, they are subjected to modifications to create a coating that will release the drug substance, when the inflammation...
-
Power Electronic Transformer For Smart Grid Application
PublicationIn this paper the control system of Power Electronic Transformer (PET) for the Smart Grid application is proposed. The structure of PET is based on two Cascaded H-bridge (CHB) converters. The electrical energy is transferred between converters using Dual-Active-Bridges (DAB) and high-frequency transformers. This type of coupling has been used to connect the DC-links of all H-bridges. The proposed control system for PET makes it...
-
Smart Innovation Management in Product Life Cycle
PublicationThe present paper proposes a framework for smart innovation management of the product using a Smart Knowledge Management System comprising Set of Experience Knowledge Structure (SOEKS) and Decisional DNA. This proposed system will allow the entrepreneurs and organizations to perform the innovation process technically and quickly as this framework will store knowledge as well as experiences of the past innovations done in various...
-
Vibration surveillance of high speed ball end milling by the spindle speed control
PublicationPrzedstawiono zmodyfikowaną metodę nadzorowania drgań smukłych wirujących narzedzi skrawających za pomocą sterowania optymalno-liniowego prędkością obrotową wrzeciona. Podano opis dynamiki skrawania, niestacjonarnego modelu obliczeniowego oraz zmodyfikowanej metody nadzorowania drgań. Modyfikacja polega na tym, że do symulacji procesu nadzorowania wykorzystano model modalny freza, zaś parametry tego modelu wyznaczono albo numerycznie,...
-
Modelling and simulation of vibration surveillance during ball end milling of flexible details
PublicationPraca dotyczy nadzorowania drgań w procesie frezowania szybkościowego przedmiotów podatnych za pomocą doboru optymalnej prędkości obrotowej wrzeciona. W niestacjonarnym układzie drgającym modelowanym dyskretnie wyodrębniono podukład modalny, podukład strukturalny oraz podukład łączący. Dynamikę procesu skrawania opisano we współrzędnych hybrydowych, przez co uzyskano znacznie mniejszy rząd niż w przypadku modelu strukturalnego....
-
A modified method of vibration surveillance by using the optimal control at energy performance index
PublicationA method of vibration surveillance by using the optimal control at energy performance index has been creatively modified. The suggested original modification depends on consideration of direct relationship between the measured acceleration signal and the optimal control command. The paper presents the results of experiments and Hardware- in-the-loop simulations of a new active vibration reduction algorithm based on the energy...
-
Vibration surveillance for efficient milling of flexible details fixed in adjustable stiffness holder
PublicationThe paper presents the results of research related to the possibility of using an intelligent workpiece holder with adjustable stiffness, during end milling process. Machining a one side supported flexible workpiece will be performed with constant spindle speed and feed speed. In order to avoid hazardous vibration, stiffness of the especially designed spring (mounted in a workpiece holder) will be modified off-line. In order to...
-
VIBRATION SURVEILLANCE DURING MILLING OF FLEXIBLE DETAILS WITH A USE OF THE ACTIVE OPTIMAL CONTROL
PublicationThe main goal of modern machining operations is to achieve increasingly better performance. High Speed Machining and/or High Performance Cutting, despite a lot of advantages, have also some drawbacks, for example, a possibility of losing stability and development of self-excited chatter vibration. This paper presents an approach of vibration surveillance during high speed milling with a use of active optimal control. Non-stationary...
-
New approach in SARS-CoV-2 surveillance using biosensor technology: a review
Publication -
New approach in SARS-CoV-2 surveillance using biosensor technology: a review
Publication -
Moving object detection and tracking for the purpose of multimodal surveillance system in urban areas
PublicationBackground subtraction method based on mixture of Gaussians was employed to detect all regions in a video frame denoting moving objects. Kalman filters were used for establishing relations between the regions and real moving objects in a scene and for tracking them continuously. The objects were represented by rectangles. The objects coupling with adequate regions including the relation of many-to-many was studied experimentally...
-
a rule for vibration surveillance of manipulators in order to improve operating parameters of industrial robots
PublicationPrzedmiotem rozważań są drgania układu nośnego manipulatora IRb-6. Proponowane podejście ma na celu minimalizację poziomu drgań końcówki manipulatora. Dla niestacjonarnego układu sterowanego, którego zachowanie opisano we współrzędnych uogólnionych, zdefiniowano energetyczny wskaźnik jakości uwzględniający energię kinetyczną i potencjalną układu, a także - chwilową energię sygnału sterującego. Dalsze rozważania dotyczą tymczasowego...
-
A mechatronic approach towards vibration surveillance during slender milling of flexible details
PublicationPraca dotyczy zastosowania elementów projektowania mechatronicznego do nadzorowania drgań podczas frezowania przedmiotów podatnych z wykorzystaniem aktywnego sterowania optymalnego. Opisano dynamikę układu sterowanego i zdefiniowano optymalny sygnał sterujący we współrzędnych hybrydowych. Wyodrębniono trzy podukłady: strukturalny, modalny i łączący. Uruchomiono program symulacji komputerowej, który umożliwił uzyskanie wyników potwierdzających...
-
A possibility of vibration surveillance of the hybrid systems by the optimal control at energy performance index.
PublicationPraca poświęcona jest nadzorowaniu drgań niestacjonarnych układów mechanicznych modelowanych metodą elementów skończonych. W celu redukcji poziomu drgań wprowadzono zewnętrzne sygnały sterujące. Zdefiniowano uzmienniony w czasie energetyczny wskaźnik jakości. Uwzględnienie założenia o możliwości podziału układu na podukład modalny, podukład strukturalny oraz podukład łączący umożliwiło opis układu sterowanego we współrzędnych hybrydowych....
-
Blockchain technologies to address smart city and society challenges
PublicationNew Information and Communications Technologies (ICT) are changing the way in which the world works. These technologies provide new tools to face the issues of contemporary society (poverty, migrations, sustainable development challenges, governance, etc.). Among them, blockchain emerge as a disruptive technology able to make things in a completely different and innovative way. They can provide solutions where before there were...
-
The Ethernet POWERLINK Protocol for smart grids elements integration
Publication -
Smart Graphite–Cement Composites with Low Percolation Threshold
Publication -
Application of Smart IoT Technology in Project Management Scenarios
PublicationThe report presents a low-cost and flexible solution to control and monitor home and industrial appliances. The popularity of automation devices has increased greatly in recent years due to higher affordability and simplicity through IoT phone and tablet connectivity. For this purpose, we have developed the IoT Outlet: a stand-alone communication unit, used to connect outlets to the internet. The IoT Plug is a power switch which...
-
Ontology of the Design Pattern Language for Smart Cities Systems
PublicationThe paper presents the definition of the design pattern language of Smart Cities in the form of an ontology. Since the implementation of a Smart City system is difficult, expensive and closely linked with the problems concerning a given city, the knowledge acquired during a single implementation is extremely valuable. The language we defined supports the management of such knowledge as it allows for the expression of a solution...
-
Modular Experience-Based Smart Innovation Engineering System
PublicationThe current paper presents the systematic approach for supporting the product innovation process of manufactured products. The proposed system uses a collective, team-like knowledge developed by innovation related experiences of the formal decisional events. The proposed system for smart innovation engineering carries the promise to support the innovation processes in a quick and efficient way. It stores the past decisional events...
-
Self diagnostics using smart glasses - preliminary study
Publicationn this preliminary study we analyzed the possibility of the reliable measurement of biomedical signals with some potential hardware extensions of smart glasses. Using specially designed experimental prototypes four category of biomedical signals were measured: electrocardiograms, electromyograms, electroencephalograms and respiration waveforms. Experi- ments with volunteers proved that using even simple construc- tion of sensors...
-
Process of Emergence of Smart Specialisation in Pomeranian Voivodeship in Poland
PublicationThe European Commission puts a growing emphasis on the smart specialization as a tool of regional development. This term is present in a number of strategic development documents in the European Union, including Europe 2020, published by the European Commission in 2010. It implies the need for countries and regions to specialize as well as focus the development of innovation on areas that are consistent with their endogenous potentials. Objectives...
-
The Decisional DNA-Based Smart Bike for Internet of Things
PublicationIn this paper, we introduce a novel application of the Internet of Things, the Decisional DNAbased Smart Bike. The Decisional DNA is a domain-independent, flexible and standard knowledge representation structure; it allows its domains to acquire and store experiential knowledge and formal decision events in an explicit way. By using Decisional DNA, the sensor-equipped bicycle is able to learn its user’s weight, riding habits, etc....
-
Septic safe interactions with smart glasses in health care
PublicationIn this paper, septic safe methods of interaction with smart glasses, due to the health care environment applications consideration, are presented. The main focus is on capabilities of an optical, proximity-based gesture sensor and eye-tracker input systems. The design of both interfaces is being adapted to the open smart glasses platform that is being developed under the eGlasses project. Preliminary results obtained from the...
-
SMART SHOP SERVICES FOR BUILDING CUSTOMER-ORIENTED SCENARIOS
PublicationThe shops of today mostly support the customer by offering him or her products based on basic relationships between products viewed or ordered by users with similar tastes. This common approach may fail in many cases especially when the user does not have sufficient knowledge about the market, or when he or she wants to build a set of products in more than one shop. New categories of smart shop services are proposed in order to...
-
Smart Knowledge Engineering for Cognitive Systems: A Brief Overview
PublicationCognition in computer sciences refers to the ability of a system to learn at scale, reason with purpose, and naturally interact with humans and other smart systems, such as humans do. To enhance intelligence, as well as to introduce cognitive functions into machines, recent studies have brought humans into the loop, turning the system into a human–AI hybrid. To effectively integrate and manipulate hybrid knowledge, suitable technologies...
-
Defining the smart-city in the context of regenerative design and planning
Publication.
-
Smart city and fire detection using thermal imaging
PublicationIn this paper, we summarize the results obtained from fire experiments. The aim of the work was to develop new methods of fire detection using IR thermal imaging cameras and dedicated image processing. We conducted 4 experiments in different configurations and with the use of different objects. The conducted experiments have shown the great usefulness of infrared cameras for detecting the seeds of a fire. Even cheap low-resolution...