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Declarative vs Rule-based Control for Flocking Dynamics
[article]
2017
arXiv
pre-print
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The popularity of rule-based flocking models, such as Reynolds' classic flocking model, raises the question of whether more declarative flocking models are possible. ...
We refer to it as {\textit declarative flocking} (DF). We use model-predictive control (MPC) to define controllers for DF in centralized and distributed settings. ...
With the introduction of Reynolds' model [12, 13] , rule-based control became the norm in the flocking community. ...
arXiv:1710.10013v1
fatcat:3tr72svpznbgrb7hl2ce63efzu
DReAM: Dynamic Reconfigurable Architecture Modeling (full paper)
[article]
2018
arXiv
pre-print
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The "DReAM" (Dynamic Reconfigurable Architecture Modeling) framework, has been designed for modeling reconfigurable dynamic systems. ...
It provides a rule-based language, inspired from Interaction Logic, which is expressive and easy to use encompassing all aspects of dynamicity including parametric multi-modal coordination with creation ...
Here, we consider two criteria for the classification of existing approaches: exogenous vs. endogenous and declarative vs. imperative modeling. ...
arXiv:1805.03724v2
fatcat:ukvmf572pvdwhgj5q3mw2rskpi
Coordination of multiple mobile robots via communication
1999
Mobile Robots XIII and Intelligent Transportation Systems
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The developed system is demonstrated by two examples such as flocking and shared experience learning. ...
More specifically, the aim of our research is to develop a team of coordinating mobile robots via effective communication for real world applications. ...
The rule for choosing a leader and the flocking operation of a team of mobile robots are as follows: 1. Avoid obstacle using safeguard behaviour with highest priority, based on sonar data. 5. ...
doi:10.1117/12.335688
dblp:conf/mr/HuKKV98
fatcat:2g5dgr5uejd57ns4qtk7xt5xoq
A Biologically-Inspired Power Control Algorithm for Energy-Efficient Cellular Networks
2016
Energies
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In this paper, we propose a distributed transmit power control (TPC) algorithm inspired by bird flocking behavior as a means of improving the energy efficiency of a cellular network. ...
rate of the co-channel MSs in adjacent cells by controlling the transmit power of its serving BS. ...
Jung-Ryun Lee was responsible for theoretical analysis, derivation, coordination and proof reading.
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/en9030161
fatcat:qgd2x3dtvjdlbismqlzhvz66te
Multi-Agent Cooperative Control Consensus: A Comparative Review
2018
Electronics
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A summary of theoretical results regarding consensus for agreement analysis for complex dynamic systems and time-invariant information exchange topologies is briefly described in a unified way. ...
Theoretical progress in consensus that includes convergence analysis for the time-invariant and dynamic state, consensus speed and heterogeneous agents is presented in Section 3. ...
(a) x-axis vs time (b) y-axis vs time (c) x-axis vs y-axis.
Figure 8 . 8 Formation Control Setup (a) Displacement based formation (b) Distance-based formation. ...
doi:10.3390/electronics7020022
fatcat:vieefonb35ezjcg7uy2u3fodyi
Autonomous Shepherding Behaviors of Multiple Target Steering Robots
2017
Sensors
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In addition, we propose a new rule for collecting behavior, whereby a scattered flock or multiple flocks are consolidated. ...
This paper presents a distributed coordination methodology for multi-robot systems, based on nearest-neighbor interactions. ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/s17122729
pmid:29186836
pmcid:PMC5751650
fatcat:5fx2ypqzgzbtpdqokvv6tn5iq4
Morphogenetic Engineering: Reconciling Self-Organization and Architecture
[chapter]
2012
Understanding Complex Systems
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The declarative approach of MGS is based on the notion of topological collection, which arises naturally when trying to model "dynamical systems with a dynamic structure". ...
They are all based on a multitude of components, modules, software agents, devices and/or human users that create their own network and collective dynamics solely on the basis of local rules and peer-topeer ...
doi:10.1007/978-3-642-33902-8_1
fatcat:z37vhhqfnnahrhfs4m73l7q7gu
Sensing and Connection Systems for Assisted and Autonomous Driving and Unmanned Vehicles
2018
Sensors
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The special issue, "Sensors, Wireless Connectivity and Systems for Autonomous Vehicles and Smart Mobility" on MDPI Sensors presents 12 accepted papers, with authors from North America, Asia, Europe and ...
Australia, related to the emerging trends in sensing and navigation systems (i.e., sensors plus related signal processing and understanding techniques in multi-agent and cooperating scenarios) for autonomous ...
Conflicts of Interest: The author declares no conflict of interest. ...
doi:10.3390/s18071999
pmid:29932130
pmcid:PMC6068971
fatcat:pft6ftjaznhjnjzlxept72cm3e
Scientific Opinion on the scrapie situation in the EU after 10 years of monitoring and control in sheep and goats
2014
EFSA Journal
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Based on information collected from MSs, the potential effectiveness of these BP-CS in the dissemination of resistance into the general sheep population was assessed for those countries for which the CS ...
The different control options available for CS in sheep and goats are discussed. ...
on the number of flocks in HGMF vs. ...
doi:10.2903/j.efsa.2014.3781
fatcat:kieezrt6yndnnaivwcabp5saiq
Phases and excitations of active rod-bead mixtures: simulations and experiments
[article]
2020
arXiv
pre-print
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For low rod concentrations Φ_r we observe a direct phase transition, as bead concentration Φ_b is increased, from the isotropic phase to a homogeneous flock. ...
For Φ_r above a threshold value, an ordered band dense in both rods and beads occurs between the disordered phase and the homogeneous flock, in both experiments and simulations. ...
Acknowledgements NK, HS and JN thank the UGC, the CSIR and the Science Academies' Summer Research Fellowship respectively for support. ...
arXiv:2001.00173v1
fatcat:ke5yan7zi5glzbemk3576224y4
Interaction ruling animal collective behavior depends on topological rather than metric distance: Evidence from a field study
2008
Proceedings of the National Academy of Sciences of the United States of America
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Numerical models indicate that collective animal behaviour may emerge from simple local rules of interaction among the individuals. ...
By reconstructing the three-dimensional position of individual birds in airborne flocks of few thousands members, we prove that the interaction does not depend on the metric distance, as most current models ...
The authors declare no conflict of interest. ...
doi:10.1073/pnas.0711437105
pmid:18227508
pmcid:PMC2234121
fatcat:w3myn3usujdy5ef3ucyt6fsewm
Dynamics of Neospora caninum-Associated Abortions in A Dairy Sheep Flock and Results of a Test-and-Cull Control Programme
2021
Pathogens
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A control programme based on selective culling of seropositive sheep and replacement with seronegative animals was effective in reducing the abortion rate to 7.2%. ...
In this study, we described the infection dynamics in a dairy sheep flock with an abortion rate up to 25% and a N. caninum seroprevalence of 32%. ...
We also thank the farmers of the flock for giving us the opportunity to use the reproductive data and the diagnostic results for scientific purposes and Marta Silva, from the IGM, for her assistance in ...
doi:10.3390/pathogens10111518
pmid:34832673
pmcid:PMC8625302
fatcat:3xiwsmddkncshhqebtboideufy
Seroprevalence of border disease virus and other pestiviruses in sheep in Algeria and associated risk factors
2018
BMC Veterinary Research
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The true seroprevalence based on estimated sensitivity and specificity of the Ab-ELISA was 68.20% (95% C.I.; 60.2-76.3). ...
the detection of neutralizing antibodies specific for BDV and for Bovine virus diarrhea virus (BVDV-1 and BVDV-2). ...
Competing interests The authors declare that they have no competing interests. ...
doi:10.1186/s12917-018-1666-y
pmid:30419908
pmcid:PMC6233519
fatcat:5ni4siur45b65c5sksgxmydhm4
Flock-level risk factors for outbreaks of infectious arthritis in lambs, Norway 2018
2020
Acta Veterinaria Scandinavica
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This questionnaire-based cross-sectional study classified sheep flocks of respondents as cases or controls. ...
The results provide a basis for further studies on transmission dynamics of SDSD in sheep flocks with indoor lambing. ...
Acknowledgements The farmers who tested and responded to the questionnaire are gratefully acknowledged for their contributions. ...
doi:10.1186/s13028-020-00561-z
pmid:33228728
fatcat:wyqxpgr2hrbpzcymjkzbekenmi
Langevin Dynamics with Variable Coefficients and Nonconservative Forces: From Stationary States to Numerical Methods
2017
Entropy
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Langevin dynamics is a versatile stochastic model used in biology, chemistry, engineering, physics and computer science. ...
We examine theoretical issues such as stability of the steady state and ergodic properties, as well as practical aspects such as the design of numerical methods for stochastic particle models. ...
Acknowledgments: The research of all three authors was supported by the ERC project RULE (grant number 320823). ...
doi:10.3390/e19120647
fatcat:vyolsdb7orepfjc2s73qhfv7e4
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