Searched for: subject%3A%22consensus%22
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Dzelme, Rihards (author)
We are at the beginning of the most significant societal change since the internet. We are transitioning from a 2-dimensional browser-based interaction to immersive 3-dimensional experiences. The metaverse is not a place or a destination but a state where technology and ecosystem are symbiotic. <br/>Digital Twins, interactive toolkits,...
master thesis 2022
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Decouchant, J.E.A.P. (author), Kozhaya, David (author), Rahli, Vincent (author), Yu, Jiangshan (author)
Recently, streamlined Byzantine Fault Tolerant (BFT) consensus protocols, such as HotStuff, have been proposed as a means to circumvent the inefficient view-changes of traditional BFT protocols, such as PBFT. Several works have detailed trusted components, and BFT protocols that leverage them to tolerate a minority of faulty nodes and use a...
conference paper 2022
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Liang, F. (author)
It is our choices that make us who we are. To lead a better life, we have to make better decisions. Nowadays, decisions are increasingly made in complex contexts, in a host of different application domains. Because of that, we need more reliable decision analysis methodologies to improve our decisions. The ability to deal with multi...
doctoral thesis 2021
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Papakyriakou, Thalis (author)
The DC Optimal Power Flow (DC-OPF) problem is a widely-studied topic in the field of power systems. A solution to the problem consists of minimizing the running costs of the power system, through defining the optimal operating state for each entity in the system, while adhering to a set of physical constraints. A lot of research has been...
master thesis 2021
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Beekhuizen, Michael (author)
IoT devices have grown rapidly over the past few years. IoT devices are mostly connected to a central server that stores the data and handles end-to-end communication. Due to the increase of IoT devices, the latency with the server increases. Furthermore, when using a central server the data is at risk of being deleted or tampered with. To...
bachelor thesis 2021
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Kooij, Robert (author), Sørensen, Nikolaj Horsevad (author), Bouffanais, Roland (author)
Apart from the role the clustering coefficient plays in the definition of the small-world phenomena, it also has great relevance for practical problems involving networked dynamical systems. To study the impact of the clustering coefficient on dynamical processes taking place on networks, some authors have focused on the construction of...
journal article 2021
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Li, Qiongxiu (author), Gundersen, Jaron Skovsted (author), Heusdens, R. (author), Christensen, Mads Græsbøll (author)
Privacy-preserving distributed processing has recently attracted considerable attention. It aims to design solutions for conducting signal processing tasks over networks in a decentralized fashion without violating privacy. Many existing algorithms can be adopted to solve this problem such as differential privacy, secure multiparty...
journal article 2021
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Bianchi, M. (author), Grammatico, S. (author)
We consider strongly monotone games with convex separable coupling constraints, played by dynamical agents, in a partial-decision information scenario. We start by designing continuous-time fully distributed feedback controllers, based on consensus and primal–dual gradient dynamics, to seek a generalized Nash equilibrium in networks of single...
journal article 2021
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Kozhaya, David (author), Decouchant, J.E.A.P. (author), Rahli, Vincent (author), Esteves-Verissimo, Paulo (author)
The accelerated digitalisation of society along with technological evolution have extended the geographical span of cyber-physical systems. Two main threats have made the reliable and real-time control of these systems challenging: (i) uncertainty in the communication infrastructure induced by scale, and heterogeneity of the environment and...
journal article 2021
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Montero-Odasso, Manuel (author), van der Velde, Nathalie (author), Alexander, Neil B. (author), Becker, Clemens (author), Blain, Hubert (author), Camicioli, Richard (author), Close, Jacqueline (author), Duan, Leilei (author), van der Cammen, T.J.M. (author)
BACKGROUND: falls and fall-related injuries are common in older adults, have negative effects both on quality of life and functional independence and are associated with increased morbidity, mortality and health care costs. Current clinical approaches and advice from falls guidelines vary substantially between countries and settings,...
review 2021
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Liang, F. (author), Verhoeven, Kyle (author), Brunelli, Matteo (author), Rezaei, J. (author)
The aim of this study is to develop an inland terminal location selection methodology. This methodology is viewed from the perspective of the shipping line designing the inland transport chain while also taking the objectives of multiple other stakeholders into account. To that end, we develop a consensus model for a group Best-Worst Method ...
journal article 2021
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Kebriaei, Hamed (author), Sadati-Savadkoohi, S. Jafar (author), Shokri, Mohammad (author), Grammatico, S. (author)
In this article, we extend the theory of deterministic mean-field/aggregative games to multipopulation games. We consider a set of populations, each managed by a population coordinator (PC), of selfish agents playing a global noncooperative game, whose cost functions are affected by an aggregate term across all agents from all populations. In...
journal article 2021
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Foroughi, M. (author), de Anderade, Bruno (author), Pereira Roders, A. (author)
World Heritage cities (WHC), meaning urban areas, often in part, inscribed at the UNESCO World Heritage list are valuable heritages to many local and global communities and, therefore, attract efforts to conserve them. Nonetheless, these cities are increasingly under pressure, by globalization, climate change, and tourism. An integral approach,...
conference paper 2021
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Najjar, Mohamed-Youssef (author)
The optimal power flow (OPF) problem is a classic and widely-studied topic in the field of power systems.Its purpose is to minimize the running costs of a power system by determining the optimal operating points,while respecting a set of physical constraints. While most power systems are currently controlled by a centralcoordinator, there is...
master thesis 2020
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Iancu, A. (author), Isufi, E. (author)
Atrial electrograms are often used to gain understanding on the development of atrial fibrillation (AF). Using such electrograms, cardiologists can reconstruct how the depolarization wave-front propagates across the atrium. Knowing the exact moment at which the depolarization wavefront in the tissue reaches each electrode is an important aspect...
conference paper 2020
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Görkey, Isitan (author), El Moussaoui, Chakir (author), Wijdeveld, Vincent (author), Sennema, Erik (author)
Blockchain is a technology that is in use increasingly. Although owing its common use to the cryptocurrencies there is more to the blockchain technology than just the monetary use. One of these uses is by smaller groups of participants under the control of a central authority, for instance at a company. Such private blockchains use permissioned...
student report 2020
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Postma, Jeroen (author)
Recent studies in game-theory provided ways to steer multi-agent games to their Nash equilibrium by means of a decentralized approach. However, these approaches have not considered the internal dynamics of the individual agents. This thesis work provides decentralized control methods to account for these internal dynamics whilst ensuring that...
master thesis 2020
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Brouwer, Jetse (author)
Distributed ledger technology was expected to spark a technical revolution similar to the internet revolution. After the release of Bitcoin in 2008, many developments have significantly increased the performance of distributed ledger technology. Nevertheless, the first truly scalable ledger has yet to be deployed. All of them have issues with...
master thesis 2020
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Liu, Wenqiang (author), Liu, Zhigang (author), Li, Qiao (author), Han, Zhiwei (author), Nunez, Alfredo (author)
This article proposes an automatic high-precision detection method for structure parameters of catenary cantilever devices (SPCCDs) using 3-D point cloud data. The steps of the proposed detection method are: 1) segmenting and recognizing the components of the catenary cantilever devices, 2) extracting the detection plane and backbone...
journal article 2020
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Manss, C. (author), Shutin, Dmitriy (author), Leus, G.J.T. (author)
For swarm systems, distributed processing is of paramount importance, and Bayesian methods are preferred for their robustness. Existing distributed sparse Bayesian learn- ing (SBL) methods rely on the automatic relevance deter- mination (ARD), which involves a computationally complex reweighted l1-norm optimization, or they use loopy belief...
journal article 2020
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