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Wyszukujesz frazę "dynamic efficiency" wg kryterium: Wszystkie pola


Wyświetlanie 1-4 z 4
Tytuł:
Industrial Plants Performance Evaluation Using Dynamic Dea
Autorzy:
Kluczek, A.
Powiązania:
https://bibliotekanauki.pl/articles/409144.pdf
Data publikacji:
2016
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
dynamic DEA
energy efficiency
industrial plants
slacks-based measure approach
Opis:
The objective of the paper is to evaluate the energy efficiency performance of industrial plants based on energy audit measures using dynamic Data Envelopment Analysis. The paper demonstrates a three-stage DEA based on slacks-based measure approach to evaluate the energy efficiency of U.S. industrial plants. Also, a 3-step approach to select relevant variables to be employed in slacks-based measure model. The paper has revealed inefficiencies of industrial plants, which were considered as efficient ones examined individually in energy audit procedure. The results indicate that half of analyzed plants are not performing at high energy efficiency, given a total of 6 facilities were operating efficiently. It shows that these industrial plants appear to have the potential to reduce their energy use and cost. Moreover, the results were enriched with the additional analysis of input excesses and output shortfalls and further suggestions for improving energy efficiency are provided.
Źródło:
Research in Logistics & Production; 2016, 6, 5; 465-476
2083-4942
2083-4950
Pojawia się w:
Research in Logistics & Production
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Minimizing Delay Using Dynamic Blocking Expanding Ring Search Technique for Ad Hoc Networks
Autorzy:
Mhatre, Kavita
Khot, Uday
Powiązania:
https://bibliotekanauki.pl/articles/1844446.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
AODV
BERS
ERS
BERS+
DBERS
MANET
latency
energy efficiency
routes discovery
Opis:
Energy and latency are the significant Quality of Service parameters of ad hoc networks. Lower latency and limited energy expenditure of nodes in the ad hoc network contributes to a prolonged lifetime of the network. Reactive protocols determine the route to the destination using a route discovery process which results in increased delay and increased energy expenditure. This paper proposes a new technique of route discovery, Dynamic Blocking Expanded Ring Search (DBERS) which minimizes time delay and energy required for route discovery process. DBERS reduces energy expenditure and time delay occurring in the existing route discovery techniques of reactive protocols. The performance of DBERS is simulated with various network topologies by considering a different number of hop lengths. The analytical results of DBERS are validated through conduction of extensive experiments by simulations that consider topologies with varying hop lengths. The analytical and simulated results of DBERS are evaluated and compared with widely used route discovery techniques such as BERS, BERS+. The comparison of results demonstrates that DBERS provides substantial improvement in time efficiency and also minimizes energy consumption.
Źródło:
International Journal of Electronics and Telecommunications; 2020, 66, 4; 723-728
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effective Approach for Data Aggregation in Wireless Sensor Network: a Structure Free Approach
Autorzy:
Prasad, U.
Adane, D. S.
Powiązania:
https://bibliotekanauki.pl/articles/108713.pdf
Data publikacji:
2014
Wydawca:
Społeczna Akademia Nauk w Łodzi
Tematy:
wireless sensor networks
throughput
delay
energy efficiency
protocols
event based
dynamic
Data Aggregation
Opis:
Wireless Sensor Network consist of thousands sensor node which have limited Power, Computation, Sensing and Communication capabilities. Among all operation of Sensor Node, Wireless Communication consumes most of the energy. So it is necessary to decrease the number of packets transmitted through the network. Many Sensor Node could detect similar event, which increases the overall bandwidth utilization to transmit redundant data. Here Nodes computation is cheaper than communication in terms of energy. So the technique of Data Aggregation is applied to summarize data which decreases the amount of data transmitted in the network, which in turn increases the lifetime of the network. Many Data aggregation protocols are based on a structured approach which is suitable for data collection application. But maintenance of the structure is an extra overhead and this approach is not suitable for dynamic scenario. So we propose an ad-hoc data aggregation protocol for dynamic scenario mainly event based application.
Źródło:
Journal of Applied Computer Science Methods; 2014, 6 No. 1; 55-65
1689-9636
Pojawia się w:
Journal of Applied Computer Science Methods
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Oil leakage in a variable-height gap between the cylinder block and the valve plate in a piston pump
Przecieki oleju w szczelinie o zmiennej wysokosci pomiedzy blokiem cylindrowym i tarcza rozdzielacza pompy tlokowej
Autorzy:
Zloto, T.
Sochacki, D.
Powiązania:
https://bibliotekanauki.pl/articles/792038.pdf
Data publikacji:
2011
Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:
oil leakage
variable height gap
cylinder block
valve plate
piston pump
dynamic viscosity
energy efficiency
computation model
flow intensity
Źródło:
Teka Komisji Motoryzacji i Energetyki Rolnictwa; 2011, 11C
1641-7739
Pojawia się w:
Teka Komisji Motoryzacji i Energetyki Rolnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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