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Wyświetlanie 1-15 z 73
Tytuł:
Implementation of IoT Based Waste Segregation and Collection System
Autorzy:
Fataniya, Bhupendra
Sood, Aayush
Poddar, Deepti
Shah, Dhaval
Powiązania:
https://bibliotekanauki.pl/articles/227107.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
smart city
IoT
smart waste management
waste segregation
Opis:
Waste management is a challenging problem for most of the countries. The current waste segregation and the collection method are not efficient and cost-effective. In this paper, a prototype is presented for smart waste management. It is also capable of waste segregation at the ground level and providing real-time data to the administrator. Impact and cost analysis of the deployment of smartbin is also presented considering one ward of Ahmedabad Municipal Corporation. It is clear from that deployment of this smartbin will save about 40% of the current expenditure for that ward.
Źródło:
International Journal of Electronics and Telecommunications; 2019, 65, 4; 579-584
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Augmented Reality and Indoor Positioning in Context of Smart Industry: A Review
Autorzy:
Chandel, Kuhelee
Åhlén, Julia
Seipel, Stefan
Powiązania:
https://bibliotekanauki.pl/articles/2201158.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
industrial augmented reality
indoor positioning system
smart manufacturing
smart factory
Opis:
Presently, digitalization is causing continuous transformation of industrial processes. However, it does pose challenges like spatially contextualizing data from industrial processes. There are various methods for calculating and delivering real-time location data. Indoor positioning systems (IPS) are one such method, used to locate objects and people within buildings. They have the potential to improve digital industrial processes, but they are currently underutilized. In addition, augmented reality (AR) is a critical technology in today’s digital industrial transformation. This article aims to investigate the use of IPS and AR in manufacturing, the methodologies and technologies employed, the issues and limitations encountered, and identify future research opportunities. This study concludes that, while there have been many studies on IPS and navigation AR, there has been a dearth of research efforts in combining the two. Furthermore, because controlled environments may not expose users to the practical issues they may face, more research in a real-world manufacturing environment is required to produce more reliable and sustainable results.
Źródło:
Management and Production Engineering Review; 2022, 13, 4; 72--87
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Koncepcja Smart Cities – obszar Smart Environment
The Smart City Concept – Smart Environment
Autorzy:
Orłowski, Aleksander
Rosińska, Paulina
Powiązania:
https://bibliotekanauki.pl/articles/2021488.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
City management
smart cities
Źródło:
Studia komitetu przestrzennego zagospodarowania kraju PAN; 2018, 184; 102-117
0079-3507
Pojawia się w:
Studia komitetu przestrzennego zagospodarowania kraju PAN
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Smart slow city jako hybrydowy model rozwoju współczesnych miast
Smart slow city as a hybrid model of development of modern cities
Autorzy:
Farelnik, Eliza
Powiązania:
https://bibliotekanauki.pl/articles/2032302.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
smart city
slow city
smart slow city
cittaslow
inteligentne miasto
wolne miasto
inteligentne wolne miasto
Opis:
The objective of the study was to analyse the theoretical model of development, ‘smart slow city’, based on two concepts of development of modern cities, i.e. ‘smart city’ and ‘slow city’. Conclusions mainly rely on the performed reference literature studies, which allowed for a synthetic presentation of the characteristics of the two discussed models of development, which are the basis for characterizing the hybrid model of the ‘smart slow city’. The comparison of city development models was made on the basis of the following characteristics: the genesis of the city development idea, the rate of changes and the model of life related to it, key city development factors, the main objective of changes, key actors, activity areas, specialization, scale of urban centres, city image, level of development policy, significance of cooperation etc.
Źródło:
Biuletyn Komitetu Przestrzennego Zagospodarowania Kraju PAN; 2018, 272; 137-146
0079-3493
Pojawia się w:
Biuletyn Komitetu Przestrzennego Zagospodarowania Kraju PAN
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimization of biogas utilization — realization smart community idea
Autorzy:
Grządzielski, W.
Mróz, T.
Radomski, B.
Powiązania:
https://bibliotekanauki.pl/articles/175584.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
biogas utilization
smart communities
energy planning
Opis:
The paper presents an analysis of the possibilities of using biogas in energy management of the cities and communities, including the purification of biogas excess to balance the unevenness in demand and supply side of biogas market (operating agricultural biogas plant). The case study describes the four technical acceptable scenarios of using agricultural biogas: variant I – combined heat and power production, variant II – supply of the local heat source, variant III – supply of the local heat source and the use of treated biogas (biomethane) in the local urban transport and variant IV – combined heat and power production and injection of conditioned biogas (biomethane) into the gas distribution grid. The identified variants were evaluated using the analytic hierarchy process multicriteria decision aid method in which the main evaluation criteria were technical, economic, social and environmental, as well as risk criterion. The results of the analysis indicate the possibility of rational use of excess biogas production by: treatment and use of liquefied biomethane for energy production or transport, or combined heat and power production, or use of biomethane injected into the distribution gas network, which can be the basis for the implementation of smart city and community strategy.
Źródło:
Transactions of the Institute of Fluid-Flow Machinery; 2017, 137; 41-58
0079-3205
Pojawia się w:
Transactions of the Institute of Fluid-Flow Machinery
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Idea Smart City w kontekście rozwoju przedsiębiorczości na przedmieściach
Smart City Concept in the Context of Enterpreneurship Development in Suburban Areas
Autorzy:
Martyniuk-Pęczek, J.
Parteka, T.
Martyniuk, O.
Powiązania:
https://bibliotekanauki.pl/articles/2031515.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
sector business
Smart City
SME
suburbanisation
Opis:
Supporting innovation and knowledge within economic development, these are the goals of public managers, enthusiasts of the Smart City concept. It is questioned whether this concept is the best solution for regional development and efficient support to local entrepreneurship based on SMEs (small and medium enterprises). Moreover, the results of the nationwide survey state that the local authorities and entrepreneurs perceive the efficiency of local policy totally different. In order to co-ordinate requirements of entrepreneurs and urban policy proposals, authors attempted to analyse economic – spatial relation of SME development in suburban areas in comparison to the city centres in Gdańsk Metropolitan Region. The paper presents the correlation between entrepreneurship development and the urban processes in the contemporary metropolitan area. The authors combine their research and experience from the field of microeconomy and the field of urban planning. Research results of intensive enterpreneural activity in the suburban areas are extraordinary in the context of city development.
Źródło:
Biuletyn Komitetu Przestrzennego Zagospodarowania Kraju PAN; 2015, 257-258; 119-143
0079-3493
Pojawia się w:
Biuletyn Komitetu Przestrzennego Zagospodarowania Kraju PAN
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Smart control based on neural networks for multicellular converters
Autorzy:
Laidi, Kamel
Bouchhida, Ouahid
Nibouche, Mokhtar
Benmansour, Khelifa
Powiązania:
https://bibliotekanauki.pl/articles/1841217.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
multicellular converters
neural networks
smart control
Opis:
A smart control based on neural networks for multicellular converters has been developed and implemented. The approach is based on a behavioral description of the different converter operating modes. Each operating mode represents a well-defined configuration for which an operating zone satisfying given invariance conditions, depending on the capacitors’ voltages and the load current of the converter, is assigned. A control vector, whose components are the control signals to be applied to the converter switches is generated for each mode. Therefore, generating the control signals becomes a classification task of the different operating zones. For this purpose, a neural approach has been developed and implemented to control a 2-cell converter then extended to a 3-cell converter. The developed approach has been compared to super-twisting sliding mode algorithm. The obtained results demonstrate the approach effectiveness to provide an efficient and robust control of the load current and ensure the balancing of the capacitors voltages.
Źródło:
Archives of Electrical Engineering; 2021, 70, 3; 531-550
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Noise Monitoring Networks as Tools for Smart City Decision-Making
Autorzy:
Sánchez-Sánchez, R.
Fortes-Garrido, J. C.
Bolívar, J. P.
Powiązania:
https://bibliotekanauki.pl/articles/177038.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
traffic noise
noise monitoring networks
smart city
pavement
Opis:
Noise Monitoring Networks (NMNs) have been implemented in many cities by town councils, allowing them to know, in real time, the environmental noise levels in the busiest streets by the continuous measurement of selected acoustic parameters throughout the year. NMNs are aimed at: 1) detecting areas of the city that breach guidelines for acoustic quality objectives; 2) obtaining noise data needed to develop and implement action plans; and 3) informing the public about the permissible acoustic pollution for different districts and times of day. The aim of this work was to analyse data from the NMN of the city of Huelva (Spain), in order to study the influence on the noise of re-asphalting the busiest streets. The street pavements improve LAeq, 24 h from 3 up to 8 dB(A), depending on the type of the route. These results could be used by council authorities in deciding when to undertake the re-asphalting of the streets of Huelva, and to select the type of asphalt that should be used.
Źródło:
Archives of Acoustics; 2018, 43, 1; 103-112
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fast one-cycle frequency estimation of a single sinusoid in noise using downsampled linear prediction model
Autorzy:
Duda, Krzysztof
Zieliński, Tomasz P.
Powiązania:
https://bibliotekanauki.pl/articles/2052172.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
frequency estimation
linear prediction
Prony method
smart DFT
Opis:
A new solution to the problem of frequency estimation of a single sinusoid embedded in the white Gaussian noise is presented. It exploits, approximately, only one signal cycle, and is based on the well-known 2nd order autoregressive difference equation into which a downsampling is introduced. The proposed method is a generalization of the linear prediction based Prony method for the case of a single undamped sinusoid. It is shown that, thanks to the proposed downsampling in the linear prediction signal model, the overall variance of the least squares solution of frequency estimation is decreased, when compared to the Prony method, and locally it is even close to the Cramér-Rao Lower Bound, which is a significant improvement. The frequency estimation variance of the proposed solution is comparable with, computationally more complex, the Matrix Pencil and the Steiglitz-McBride methods. It is shown that application of the proposed downsampling to the popular smart DFT frequency estimation method also significantly reduces the method variance and makes it even better than the least squares smart DFT. The noise immunity of the proposed solution is achieved simultaneously with the reduction of computational complexity at the cost of narrowing the range of measured frequencies, i.e. a sinusoidal signal must be sufficiently oversampled to apply the proposed downsampling in the autoregressive model. The case of 64 samples per period with downsampling up to 16, i.e. 1/4th of the cycle, is presented in detail, but other sampling scenarios, from 16 to 512 samples per period, are considered as well.
Źródło:
Metrology and Measurement Systems; 2021, 28, 4; 661-672
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of the data packet size on positioning parameters of UWB system for the purpose of tagging smart city infrastructure
Autorzy:
Hanzel, K.
Paszek, K.
Grzechca, D.
Powiązania:
https://bibliotekanauki.pl/articles/200391.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
UWB
positioning
V2I
smart city
infrastructure
Opis:
The paper presents a concept of the vehicle/road infrastructure in vehicle-to-infrastructure (V2I) communication for tagging and informing vehicles about the surrounded environment. A frame analysis and the influence of the data packet size on Ultra-wideband (UWB) were investigated. The authors have determined the distance that could be traveled by a vehicle at the given speed in relation to the amount of data that has to be transmitted during the ranging procedure. The authors propose a data frame format (using the IEEE 802.15.4a protocol) for coding/encoding the information about the road infrastructure efficiently during the positioning procedure. It affects to minimum the time that is required to exchange messages during the ranging and communication process. The whole system is an efficient and reliable element that enhances/extends the existing components of advanced driver-assistance systems (ADAS), which will facilitate validation of the information obtained from devices such as lidar, radar or video. The impact of the transmitted payload to the distance traveled by car opens the door to future research on the possibility of implementing efficient vehicle-to-vehicle (V2V) communication for autonomous driving or and other smart city solutions.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2020, 68, 4; 857-868
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Energy planning for aquaponics production considering intraday markets
Autorzy:
Garcia-Guarino, Julian
Duran-Pinzóno, Mayerly
Paez-Arangoo, Jorge
Rivera, Sergio
Powiązania:
https://bibliotekanauki.pl/articles/141643.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
aquaponic system
energy programming
intraday markets
smart household
Opis:
The smart household connected to the energy dispatch arises to overcome the environmental crisis, encourages the penetration of renewable energies and promotes consumer respond to intraday market prices. Aquaponic production results from the combination of fish farming and hydroponics (cultivating plants using fish waste as nutrients). The prototype was built based on the rule of the 3 Rs: reduce, reuse and recycle. The crop reduces the consumption of water and energy, reuses water in a recirculation process, which is filtered by: 1) gravity, 2) biofilters and 3) porosity. Recycling is expanded to plastic containers and food containers of polystyrene. The aquaponic production system is decorative, completely organic (without chemicals), promotes the growth of green areas for comfortable homes and allows the consumption of healthy food, as well as energy planning to save energy. The system is done with a digital level control connected to a water pump and an oxygen pump. A novel method allows the aggregator to optimize the recirculation programming of the aquaponic system for periods of 24 hours. The method maximizes the economic benefits with the help of an energy balance between hours.
Źródło:
Archives of Electrical Engineering; 2020, 69, 1; 89-100
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Kluczowe koncepcje kształtujące współczesne miasto
Key Concepts Shaping the Contemporary City
Autorzy:
Janiszek, Monika
Powiązania:
https://bibliotekanauki.pl/articles/2021439.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Smart city
sustainable development
urban resilience
vitality city
Źródło:
Studia komitetu przestrzennego zagospodarowania kraju PAN; 2018, 184; 118-130
0079-3507
Pojawia się w:
Studia komitetu przestrzennego zagospodarowania kraju PAN
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Study of Behavior of Vibrating Systems Controllable by Devices with Rheological Fluid
Autorzy:
Szary, M. L.
Weber, P.
Powiązania:
https://bibliotekanauki.pl/articles/177066.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
noise control
vibration control
smart materials
rheological fluids
Opis:
The nonlinear mathematical model of behavior of controllable viscosity fluid (CVF) under applied external field is presented. A large family of these fluids is commonly used to control responding forces of dampers in vibration control applications. The responding force of a damper with CVF has two components. The first one - uncontrollable - is proportional to the viscosity of a base fluid and velocity of its motion, the second one, which is controllable, depends on the strength of the applied external field. Both are involved in the process of dissipation of unwanted energy from the vibrating systems. An equivalent damping factor based on the principle of energy dissipated during one cycle of damper work under a constant strength external field was calculated. When mass or stiffness is variable the equivalent damping factor can be set accordingly by adjusting the strength of external field to have vibrating damped system purposely/continuously working in the critical or other chosen state. This paper also presents cases of applying periodically changing strengths of an external field synchronized with cycles of periodical motion of the vibrating system to continuously control the damping force within each cycle.
Źródło:
Archives of Acoustics; 2013, 38, 2; 217-222
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rotary Telemetry System for Temperature Measurements in Aircraft Component Testing
Autorzy:
Kabala, Tomasz
Weremczuk, Jerzy
Powiązania:
https://bibliotekanauki.pl/articles/2124745.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
telemetry
electronics
measurement
smart sensors
laboratory testing
aviation
Opis:
Aviation testing is intrinsically connected with rotary telemetry, which enables engineers to measure and verify parameters of high-speed aircraft engines components during laboratory testing. The main purpose of this article is to propose new design concept of smart telemetry module for temperature measurements, which could be easily adapted to various demands of high-speed rotary components tests and is more handful, functional and affordable than other solutions on the market. The result of the work is a telemetry system in form of light weight, PCB-based, wireless powered, smart transducer. Article presents state of art analysis, design and manufacturing steps, test results and conclusions.
Źródło:
International Journal of Electronics and Telecommunications; 2022, 68, 3; 556--564
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Smart e-Learning Systems with Big Data
Autorzy:
Caviglione, L.
Coccoli, M.
Powiązania:
https://bibliotekanauki.pl/articles/226537.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
e-learning
Internet of Things
Smart Cities
big data
Opis:
Nowadays, the Internet connects people, multimedia and physical objects leading to a new-wave of services. This includes learning applications, which require to manage huge and mixed volumes of information coming from Web and social media, smart-cities and Internet of Things nodes. Unfortunately, designing smart e-learning systems able to take advantage of such a complex technological space raises different challenges. In this perspective, this paper introduces a reference architecture for the development of future and big-data-capable e-learning platforms. Also, it showcases how data can be used to enrich the learning process.
Źródło:
International Journal of Electronics and Telecommunications; 2018, 64, 4; 445-450
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 73

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