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Generalizing Movements with Information-Theoretic Stochastic Optimal Control

Rudolf Lioutikov, Alexandros Paraschos, Jan Peters, Gerhard Neumann
<span title="">2014</span> <i title="American Institute of Aeronautics and Astronautics (AIAA)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/pl7min6vujc43ektmfovitbxha" style="color: black;">Journal of Aerospace Information Systems</a> </i> &nbsp;
Stochastic Optimal Control (SOC) is typically used to plan a movement for a specific situation.  ...  In order to improve the robustness of the policy, we employ information-theoretic policy updates that explicitly operate on trajectory distributions instead of single trajectories.  ...  Conclusion and Future Work In this paper, we presented a novel information theoretic stochastic optimal control algorithm.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.2514/1.i010195">doi:10.2514/1.i010195</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/vgowz5n5qfepzeoaeeflfoyaki">fatcat:vgowz5n5qfepzeoaeeflfoyaki</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20180719045716/http://eprints.lincoln.ac.uk/25767/1/lioutikov_2014_itsoc.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/af/e8/afe84133157b74902065aa7226e3f3171a907653.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.2514/1.i010195"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a>

Information-theoretic Sensorimotor Foundations of Fitts' Law

Dari Trendafilov, Daniel Polani
<span title="">2019</span> <i title="ACM Press"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/4obeqfuqs5gzbos5ah64a7m57a" style="color: black;">Extended Abstracts of the 2019 CHI Conference on Human Factors in Computing Systems - CHI &#39;19</a> </i> &nbsp;
We propose a novel, biologically plausible cost/fitness function for sensorimotor control, formalized with the information-theoretic principle of empowerment, a task-independent universal utility.  ...  We present the formalism in a Fitts' law type goal-directed arm movement task and suggest that empowerment is one potential underlying determinant of movement trajectory planning in the presence of signal-dependent  ...  It provides a biologically plausible theoretical underpinning for estimating the cost of arm movements, captured by a universal and generic measure of control.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1145/3290607.3313053">doi:10.1145/3290607.3313053</a> <a target="_blank" rel="external noopener" href="https://dblp.org/rec/conf/chi/TrendafilovP19.html">dblp:conf/chi/TrendafilovP19</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/jqgw4kuearg3biagtgurhxno64">fatcat:jqgw4kuearg3biagtgurhxno64</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200506111657/https://uhra.herts.ac.uk/bitstream/handle/2299/22017/CHI_WIP_19_for_RIS.pdf;jsessionid=BE7D86091ABC58C5306BE4B99C1E0D6E?sequence=1" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/89/a5/89a5b0df66f3781e94239154055d5ae97d6b0d78.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1145/3290607.3313053"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> acm.org </button> </a>

Sample-based informationl-theoretic stochastic optimal control

Rudolf Lioutikov, Alexandros Paraschos, Jan Peters, Gerhard Neumann
<span title="">2014</span> <i title="IEEE"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/nytnrt3gtzbixld5r6a4talbky" style="color: black;">2014 IEEE International Conference on Robotics and Automation (ICRA)</a> </i> &nbsp;
Many Stochastic Optimal Control (SOC) approaches rely on samples to either obtain an estimate of the value function or a linearisation of the underlying system model.  ...  We reuse inspiration from the reinforcement learning community and relax the greedy operator used in SOC with an information theoretic bound that limits the 'distance' of two subsequent trajectory distributions  ...  , these constraints result in the Information-Theoretic Stochastic Optimal Control (ITSOC) algorithm.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/icra.2014.6907424">doi:10.1109/icra.2014.6907424</a> <a target="_blank" rel="external noopener" href="https://dblp.org/rec/conf/icra/LioutikovPPN14.html">dblp:conf/icra/LioutikovPPN14</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/gvhr6b4kerak3ffinw6s6c57ry">fatcat:gvhr6b4kerak3ffinw6s6c57ry</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20141007130612/http://www.ausy.tu-darmstadt.de/uploads/Site/EditPublication/Lioutikov_ICRA_2014.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/cd/df/cddf746ef46c07835aabdbce7905bfc56e82f9ff.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/icra.2014.6907424"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> ieee.com </button> </a>

Optimal search behavior and classic foraging theory

F Bartumeus, J Catalan
<span title="2009-10-13">2009</span> <i title="IOP Publishing"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/nzcpmvl7nzgojf4q47bpg2qrdu" style="color: black;">Journal of Physics A: Mathematical and Theoretical</a> </i> &nbsp;
and its main results into the more general theory of optimal foraging.  ...  For instance, during the last few years, there has been a growing debate on whether search behavior can include traits that improve success by optimizing random (stochastic) searches.  ...  Coherently, early stochastic versions of Charnov's model associated simple stochastic movement patterns (i.e. Brownian motion, normal diffusion) with patch depletion dynamics [54, 56, 57] .  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1088/1751-8113/42/43/434002">doi:10.1088/1751-8113/42/43/434002</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/bvriu7hx35bv3jnmmzi3gcniia">fatcat:bvriu7hx35bv3jnmmzi3gcniia</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20170810163226/http://eaton.math.rpi.edu/csums/papers/ecomovement/bartumeusoptimalsearchclassicforage.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/a1/b3/a1b3057349cf2e888d6d75521dd2f3f52eed0b49.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1088/1751-8113/42/43/434002"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> iop.org </button> </a>

Animal movement, search strategies and behavioural ecology: a cross-disciplinary way forward

Luca Giuggioli, Frederic Bartumeus
<span title="">2010</span> <i title="Wiley"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/mz55axcfibbgpivataja2xp3lm" style="color: black;">Journal of Animal Ecology</a> </i> &nbsp;
Le´vy statistics and anomalous diffusion (see the review articles: Montroll & West 1979; Schlesinger, Zaslavsky & Klafter 1993; Klafter & Sokolov 2005) , and optimal stochastic search (e.g.  ...  The third factor is the relatively recent interpretation of animal movement with new tools and concepts borrowed from the field of statistical physics, i.e.  ...  Acknowledgements Acknowledgements are due to all the delegates of the workshop on 'Animal Movement and Search Strategies: from Empirical Data to Modelling', held from 23 to 25 July 2009 at the University  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1111/j.1365-2656.2010.01682.x">doi:10.1111/j.1365-2656.2010.01682.x</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/20337757">pmid:20337757</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/fgvylf3idfc5bpsvjcszswzsoa">fatcat:fgvylf3idfc5bpsvjcszswzsoa</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20170809100349/http://eaton.math.rpi.edu/csums/papers/ecomovement/bartumeuscrossdisciplinarysearch.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/00/b2/00b2cc7e2da36a9228ef05c4b3956485b90cd8a2.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1111/j.1365-2656.2010.01682.x"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a>

Optimality, stochasticity, and variability in motor behavior

Emmanuel Guigon, Pierre Baraduc, Michel Desmurget
<span title="2007-05-22">2007</span> <i title="Springer Nature"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/2awqvcobm5bw3bostcqrykczhe" style="color: black;">Journal of Computational Neuroscience</a> </i> &nbsp;
with an optimal state estimator, which relieves drawbacks of stochastic optimality and appropriately explains movement variability.  ...  Here, we present a critical analysis of stochastic optimality in motor control which reveals several difficulties with this hypothesis.  ...  Stochastic optimal feedback control SOFC is an approach to motor control which combines stochastic optimality and feedback control.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1007/s10827-007-0041-y">doi:10.1007/s10827-007-0041-y</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/18202922">pmid:18202922</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC2435534/">pmcid:PMC2435534</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/ypep5bvfirfulgq67iemtg7su4">fatcat:ypep5bvfirfulgq67iemtg7su4</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20170705063517/http://e.guigon.free.fr/rsc/article/GuigonEtAl08a.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/ee/6a/ee6a384da17ecb109672fb1a832e0baa24891cef.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1007/s10827-007-0041-y"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> springer.com </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2435534" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Constrained Particle Swarm Optimization Of Supply Chains

András Király, Tamás Varga, János Abonyi
<span title="2012-07-27">2012</span> <i title="Zenodo"> Zenodo </i> &nbsp;
The results illustrate that the developed stochastic simulator and optimization tool is flexible enough to handle complex situations.  ...  The synergistic combination of Particle Swarm Optimization (PSO) and Monte Carlo simulation is applied to determine the optimal reorder point of warehouses in supply chains.  ...  Inventory movements can be modeled much better using stochastic differential equations than modeling based on the theoretical assumption that movements are following normal distribution.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.5281/zenodo.1072459">doi:10.5281/zenodo.1072459</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/olzqspo3k5gbxln3k4b4jojju4">fatcat:olzqspo3k5gbxln3k4b4jojju4</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200113002002/https://zenodo.org/record/1072459/files/9278.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/d9/bc/d9bc68498d20aa9782de792f1a0a99a1a47a8e3d.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.5281/zenodo.1072459"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> zenodo.org </button> </a>

Page 907 of The Journal of Animal Ecology Vol. 79, Issue 4 [page]

<span title="">2010</span> <i title="Blackwell Publishing Ltd."> <a target="_blank" rel="noopener" href="https://archive.org/details/pub_journal-of-animal-ecology" style="color: black;">The Journal of Animal Ecology</a> </i> &nbsp;
Such ground could be well rep- resented by spatially extended systems with tight control over the spatio-temporal stochastic nature of the environmental cues that trigger the animal behavioural response  ...  strategies and behavioural ecology 907 Green 2008), theoretical work should be put forward to clar- ify the necessary and sufficient conditions for Lévy walking to become an optimal search strategy, in  ... 
<span class="external-identifiers"> </span>
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From Humans to Humanoids: the Optimal Control Framework

Serena Ivaldi, Olivier Sigaud, Bastien Berret, Francesco Nori
<span title="2012-01-01">2012</span> <i title="Walter de Gruyter GmbH"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/bzmvliqxvbagrbeayuh67oboom" style="color: black;">Paladyn: Journal of Behavioral Robotics</a> </i> &nbsp;
Optimal Control in general can also easily be integrated with Machine Learning frameworks, thus resulting in a computational implementation of human motor learning.  ...  Moreover, we propose Stochastic Optimal Control as a framework to take into account delays and noise, thus catching the unpredictability aspects typical of both humans and humanoids systems.  ...  Why (Stochastic) Optimal Control? There exist several theoretical frameworks to investigate HMC .  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.2478/s13230-012-0022-3">doi:10.2478/s13230-012-0022-3</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/wm47tvwf45dt5j2ctcipvsucti">fatcat:wm47tvwf45dt5j2ctcipvsucti</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20180727024806/https://www.degruyter.com/downloadpdf/j/pjbr.2012.3.issue-2/s13230-012-0022-3/s13230-012-0022-3.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/76/ed/76ed7e96870c63204393093185ccbdf06f178ec4.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.2478/s13230-012-0022-3"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> Publisher / doi.org </button> </a>

Stochastic optimal open-loop control as a theory of force and impedance planning via muscle co-contraction [article]

Bastien Berret, Frédéric Jean
<span title="2019-09-23">2019</span> <i title="Cold Spring Harbor Laboratory"> bioRxiv </i> &nbsp; <span class="release-stage" >pre-print</span>
The stochastic optimal open-loop control theory may provide new insights about the general articulation of feedforward/feedback control mechanisms and justify the occurrence of muscle co-contraction in  ...  the neural control of movement.  ...  Stochastic optimal open-loop control for general nonlinear systems We now consider more general stochastic dynamics of the form 160 dx t = f (x t , t) dt + G(x t , u(t), t) dω t . (7) An example of such  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1101/780056">doi:10.1101/780056</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/iso6kduiqfgu7px2jm5vjtxj7a">fatcat:iso6kduiqfgu7px2jm5vjtxj7a</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200323235329/https://www.biorxiv.org/content/biorxiv/early/2019/09/23/780056.full.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/79/3e/793eec5660146e92f7f9866b5f2d801ee303c58b.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1101/780056"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> biorxiv.org </button> </a>

Policy Search for Path Integral Control [chapter]

Vicenç Gómez, Hilbert J. Kappen, Jan Peters, Gerhard Neumann
<span title="">2014</span> <i title="Springer Berlin Heidelberg"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/2w3awgokqne6te4nvlofavy5a4" style="color: black;">Lecture Notes in Computer Science</a> </i> &nbsp;
Our algorithm is inspired by information theoretic policy updates that are often used in policy search.  ...  Path integral (PI) control defines a general class of control problems for which the optimal control computation is equivalent to an inference problem that can be solved by evaluation of a path integral  ...  Therefore, we start with a highly stochastic policy and slowly move to the target distribution by the information theoretic policy updates.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1007/978-3-662-44848-9_31">doi:10.1007/978-3-662-44848-9_31</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/rkk2ptasdbgzljlh4ycd2fvsnq">fatcat:rkk2ptasdbgzljlh4ycd2fvsnq</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20160406201241/http://www.snn.ru.nl:80/v2/serve.php?doc=pireps_ECML.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/cf/60/cf60d20a44c34a9acc6ba9d34093cf1ea80b727d.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1007/978-3-662-44848-9_31"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> springer.com </button> </a>

Real-time motor control using recurrent neural networks

Dongsung HuH, Emanuel Todorov
<span title="">2009</span> <i title="IEEE"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/jzxnjbkbyjgehoue7yr6hvesdu" style="color: black;">2009 IEEE Symposium on Adaptive Dynamic Programming and Reinforcement Learning</a> </i> &nbsp;
In section 2, we introduce a generalized optimal control framework which properly deals with command-movement mapping.  ...  It is time to merge NN with more general optimal control theory. However, the conventional optimal control theory has its own shortcoming too, that it optimizes performance for a single task only.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/adprl.2009.4927524">doi:10.1109/adprl.2009.4927524</a> <a target="_blank" rel="external noopener" href="https://dblp.org/rec/conf/adprl/HuhT09.html">dblp:conf/adprl/HuhT09</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/42dbnv2jzfbzvlnsrnynhmlvmy">fatcat:42dbnv2jzfbzvlnsrnynhmlvmy</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20100628072931/http://tdlc.ucsd.edu/publications/2008-2009/real_time_motor_control_2009.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/bd/52/bd521fe00680f27719d5febbc3b01965b25068fc.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/adprl.2009.4927524"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> ieee.com </button> </a>

Stochastic optimal open-loop control as a theory of force and impedance planning via muscle co-contraction

Bastien Berret, Frédéric Jean, Adrian M Haith
<span title="2020-02-28">2020</span> <i title="Public Library of Science (PLoS)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/ch57atmlprauhhbqdf7x4ytejm" style="color: black;">PLoS Computational Biology</a> </i> &nbsp;
The proposed stochastic optimal open-loop control theory may provide new insights about the general articulation of feedforward/feedback control mechanisms and justify the occurrence of muscle co-contraction  ...  in the neural control of movement.  ...  Stochastic optimal open-loop control for bilinear systems Consider stochastic dynamics with bilinear drift of the form: dx t ¼ ½ðA þ X p i¼1 N i u i ðtÞÞx t þ BuðtÞ�dt þ GðuðtÞ; tÞdo t ð2Þ with ω t being  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1371/journal.pcbi.1007414">doi:10.1371/journal.pcbi.1007414</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/32109941">pmid:32109941</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/lwwdqfflhfbcraiobtsmcjjhly">fatcat:lwwdqfflhfbcraiobtsmcjjhly</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200323014310/https://journals.plos.org/ploscompbiol/article/file?id=10.1371/journal.pcbi.1007414&amp;type=printable" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/66/1c/661c5a829cb2a89e6d193f62bd1ef0f062c6cec3.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1371/journal.pcbi.1007414"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> plos.org </button> </a>

Necessary optimality conditions of control of stochastic compound dynamic system in case of full in-formation about state vector

I.V. Alekseeva, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", O.I. Lysenko, O.M. Tachinina, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", National Aviation University
<span title="">2020</span> <i title="Institute of Mathematical Machines and Systems Problems of the NAS of Ukraine"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/t2fuaggepjd6deaenevrt45lzi" style="color: black;">Mathematical machines and systems</a> </i> &nbsp;
This paper is devoted to solving a theoretical problem related to the formulation and proof of the necessary conditions for stochastic CDS moving optimal control along a branched trajectory with an arbitrary  ...  This fact means that the nature of the mobile sensor network can be classified as a stochastic compound dynamic system and for the mathematical description and optimization of the movement of this system  ...  From the general theoretical point of view, the control tasks of CDS are reduced to the control problems of discontinuous systems [1] [2] [3] [4] [5] [6] [7] [8] .  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.34121/1028-9763-2020-4-136-147">doi:10.34121/1028-9763-2020-4-136-147</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/nm2lpyeeovearo2nwspsbqmmhq">fatcat:nm2lpyeeovearo2nwspsbqmmhq</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20210124072250/http://www.immsp.kiev.ua/publications/articles/2020/2020_4/Alekseeva_04_20.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/3e/b0/3eb0819a8636be8e6db65ba82e734147c8f4aa30.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.34121/1028-9763-2020-4-136-147"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a>

Improvement of PSO algorithm by memory based gradient search - application in inventory management [article]

Tamás Varga, András Király, János Abonyi
<span title="2014-10-21">2014</span> <i > arXiv </i> &nbsp; <span class="release-stage" >pre-print</span>
Advanced inventory management in complex supply chains requires effective and robust nonlinear optimization due to the stochastic nature of supply and demand variations.  ...  Application of estimated gradients can boost up the convergence of Particle Swarm Optimization (PSO) algorithm but classical gradient calculation cannot be applied to stochastic and uncertain systems.  ...  Inventory movements can be modeled much better using stochastic differential equations than modeling based on the theoretical assumption that movements are following normal distribution.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/1410.5652v1">arXiv:1410.5652v1</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/ti4gg3wacnathg2vkgmgng7wwi">fatcat:ti4gg3wacnathg2vkgmgng7wwi</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200908231803/https://arxiv.org/ftp/arxiv/papers/1410/1410.5652.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/32/03/32031af07e4210924e429017096969c829aaf7ee.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/1410.5652v1" title="arxiv.org access"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> arxiv.org </button> </a>
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