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- Petropoulos, Fotios, et al.
(författare)
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Operational Research : methods and applications
- 2024
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Ingår i: Journal of the Operational Research Society. - : Taylor & Francis Group. - 0160-5682 .- 1476-9360. ; 75:3, s. 423-617
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Forskningsöversikt (refereegranskat)abstract
- Throughout its history, Operational Research has evolved to include methods, models and algorithms that have been applied to a wide range of contexts. This encyclopedic article consists of two main sections: methods and applications. The first summarises the up-to-date knowledge and provides an overview of the state-of-the-art methods and key developments in the various subdomains of the field. The second offers a wide-ranging list of areas where Operational Research has been applied. The article is meant to be read in a nonlinear fashion and used as a point of reference by a diverse pool of readers: academics, researchers, students, and practitioners. The entries within the methods and applications sections are presented in alphabetical order. The authors dedicate this paper to the 2023 Turkey/Syria earthquake victims. We sincerely hope that advances in OR will play a role towards minimising the pain and suffering caused by this and future catastrophes.
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- Atzarakis, N., et al.
(författare)
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SMART energy communities : A case study for Greece
- 2020
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Ingår i: IET Conference Publications. - : Institution of Engineering and Technology (IET). ; , s. 136-139
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Konferensbidrag (refereegranskat)abstract
- In this study, the authors investigate the economic feasibility of an energy community investing in renewable energy sources (RES). The estimation is based on the optimisation of the total annual average electricity costs of a typical study case that uses historical load and RES generation data and follows the directives of the Greek recent legislation for energy communities. The operation of a local energy market is compared with other available RES pricing mechanisms, such as self-consumption, feed-in-tariff and net metering.
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- Psathakis, A., et al.
(författare)
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A systematic evaluation of emerging mesh-like CMP NoCs
- 2015
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Ingår i: ANCS 2015 - 11th 2015 ACM/IEEE Symposium on Architectures for Networking and Communications Systems. - 9781467366335 ; , s. 159-170
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Konferensbidrag (refereegranskat)abstract
- This paper studies alternative Network-on-Chip architectures for emerging many-core chip multiprocessors, by exploring the following design options on mesh-based networks: Multiple physical networks (P), cores concentration (C), express channels (X), it widths (W), and virtual channels (V). We exhaustively evaluate all combinations of the afore-mentioned parameters (P, C, X, W, V), using the energy-throughput ratio (ETR) as a metric to classify network congurations. Our experimental results show that, on one hand, with an appropriate selection of parameters (V,W), an optimized baseline 2D mesh offers the best possible ETR for NoCs with up to a few tens of cores (64-core NoC). More complicated networks, using concentration and express channels, can reduce the zero-load latency, but do not necessarily help to improve ETR. On the other hand, for larger CMPs, a 2D mesh with multiple physical networks is a better option: once optimized, this architectural choice can reduce the ETR by up to 46% for 256 cores.
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