Décomposition d'un Processus Décisionnel de Markov à l'aide d'un Graphe
Identifieur interne : 005A43 ( Hal/Curation ); précédent : 005A42; suivant : 005A44Décomposition d'un Processus Décisionnel de Markov à l'aide d'un Graphe
Auteurs : Pierre Laroche [France] ; Yann Boniface [France] ; René Schott [France]Source :
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Abstract
Depuis le milieu des années 90, les chercheurs en planification s'intéressent aux Processus Décisionnels de Markov (MDP). Ces modèles permettent d'obtenir des plans robustes, puisque prenant en compte les incertitudes entachant l'exécution des actions. Mais les algorithmes classiques utilisés dans le cadre des MDP sont trop complexes pour résoudre efficacement des problèmes de grande taille, comme c'est le cas de la robotique mobile. De ce fait, nous avons développé un algorithme de décomposition d'environnement, qui permet de réduire considérablement les temps de calcul. Nous en présentons dans cet article deux implantations sur machine parallèle MIMD à mémoire partagée distribuée, la seconde utilisant un gestionnaire de tâches.
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Ces modèles permettent d'obtenir des plans robustes, puisque prenant en compte les incertitudes entachant l'exécution des actions. Mais les algorithmes classiques utilisés dans le cadre des MDP sont trop complexes pour résoudre efficacement des problèmes de grande taille, comme c'est le cas de la robotique mobile. De ce fait, nous avons développé un algorithme de décomposition d'environnement, qui permet de réduire considérablement les temps de calcul. Nous en présentons dans cet article deux implantations sur machine parallèle MIMD à mémoire partagée distribuée, la seconde utilisant un gestionnaire de tâches.</div></front></TEI><hal api="V3"><titleStmt><title xml:lang="fr">Décomposition d'un Processus Décisionnel de Markov à l'aide d'un Graphe</title><author role="aut"><persName><forename type="first">Pierre</forename><surname>Laroche</surname></persName><email>laroche@loria.fr</email><idno type="idhal">pierre-laroche</idno><idno type="halauthor">130541</idno><idno type="ORCID">http://orcid.org/0000-0002-2191-1335</idno><orgName ref="#struct-364480"></orgName><affiliation ref="#struct-2355"></affiliation></author><author role="aut"><persName><forename type="first">Yann</forename><surname>Boniface</surname></persName><email>Yann.Boniface@loria.fr</email><idno type="halauthor">141277</idno><orgName ref="#struct-300292"></orgName><affiliation ref="#struct-2348"></affiliation></author><author role="aut"><persName><forename type="first">René</forename><surname>Schott</surname></persName><email></email><idno type="halauthor">129990</idno><orgName ref="#struct-364475"></orgName><affiliation ref="#struct-160"></affiliation></author><editor role="depositor"><persName><forename>Publications</forename><surname>Loria</surname></persName><email>publications@loria.fr</email></editor></titleStmt><editionStmt><edition n="v1" type="current"><date type="whenSubmitted">2006-09-26 08:53:20</date><date type="whenModified">2016-05-18 09:00:12</date><date type="whenReleased">2006-09-28 15:22:46</date><date type="whenProduced">2000</date></edition><respStmt><resp>contributor</resp><name key="108626"><persName><forename>Publications</forename><surname>Loria</surname></persName><email>publications@loria.fr</email></name></respStmt></editionStmt><publicationStmt><distributor>CCSD</distributor><idno type="halId">inria-00099366</idno><idno type="halUri">https://hal.inria.fr/inria-00099366</idno><idno type="halBibtex">laroche:inria-00099366</idno><idno type="halRefHtml">Rencontres Francophones du Parallélisme - RenPar'2000, 2000, Besançon, France, 6 p, 2000</idno><idno type="halRef">Rencontres Francophones du Parallélisme - RenPar'2000, 2000, Besançon, France, 6 p, 2000</idno></publicationStmt><seriesStmt><idno type="stamp" n="INRIA">INRIA - Institut National de Recherche en Informatique et en Automatique</idno><idno type="stamp" n="CNRS">CNRS - Centre national de la recherche scientifique</idno><idno type="stamp" n="INPL">Institut National Polytechnique de Lorraine</idno><idno type="stamp" n="LORIA2">Publications du LORIA</idno><idno type="stamp" n="LABO-LORIA-SET" p="LORIA">LABO-LORIA-SET</idno><idno type="stamp" n="INRIA-NANCY-GRAND-EST">INRIA Nancy - Grand Est</idno><idno type="stamp" n="LORIA">LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications</idno><idno type="stamp" n="LORIA-CSAI" p="LORIA">Systèmes complexes et intelligence artificielle</idno><idno type="stamp" n="INRIA2">INRIA 2</idno><idno type="stamp" n="INRIA-LORRAINE">INRIA Nancy - Grand Est</idno><idno type="stamp" n="UNIV-LORRAINE">Université de Lorraine</idno></seriesStmt><notesStmt><note type="commentary">Colloque avec actes et comité de lecture. nationale.</note><note type="audience" n="3">National</note><note type="invited" n="0">No</note><note type="popular" n="0">No</note><note type="peer" n="1">Yes</note><note type="proceedings" n="1">Yes</note></notesStmt><sourceDesc><biblStruct><analytic><title xml:lang="fr">Décomposition d'un Processus Décisionnel de Markov à l'aide d'un Graphe</title><author role="aut"><persName><forename type="first">Pierre</forename><surname>Laroche</surname></persName><email>laroche@loria.fr</email><idno type="idHal">pierre-laroche</idno><idno type="halAuthorId">130541</idno><idno type="ORCID">http://orcid.org/0000-0002-2191-1335</idno><orgName ref="#struct-364480"></orgName><affiliation ref="#struct-2355"></affiliation></author><author role="aut"><persName><forename type="first">Yann</forename><surname>Boniface</surname></persName><email>Yann.Boniface@loria.fr</email><idno type="halAuthorId">141277</idno><orgName ref="#struct-300292"></orgName><affiliation ref="#struct-2348"></affiliation></author><author role="aut"><persName><forename type="first">René</forename><surname>Schott</surname></persName><idno type="halAuthorId">129990</idno><orgName ref="#struct-364475"></orgName><affiliation ref="#struct-160"></affiliation></author></analytic><monogr><idno type="localRef">A00-R-119 || laroche00d</idno><meeting><title>Rencontres Francophones du Parallélisme - RenPar'2000</title><date type="start">2000</date><settlement>Besançon, France</settlement></meeting><imprint><biblScope unit="pp">6 p</biblScope><date type="datePub">2000</date></imprint></monogr></biblStruct></sourceDesc><profileDesc><langUsage><language ident="fr">French</language></langUsage><textClass><keywords scheme="author"><term xml:lang="fr">planification sous incertitude</term><term xml:lang="fr">mimd parallel computer</term><term xml:lang="fr">planning under uncertainty</term><term xml:lang="fr">markov decision process</term><term xml:lang="fr">shared memory</term><term xml:lang="fr">processus décisionnel de markov</term><term xml:lang="fr">décomposition</term><term xml:lang="fr">mémoire partagée</term><term xml:lang="fr">machine parallèle mimd</term></keywords><classCode scheme="halDomain" n="info.info-oh">Computer Science [cs]/Other [cs.OH]</classCode><classCode scheme="halTypology" n="COMM">Conference papers</classCode></textClass><abstract xml:lang="fr">Depuis le milieu des années 90, les chercheurs en planification s'intéressent aux Processus Décisionnels de Markov (MDP). Ces modèles permettent d'obtenir des plans robustes, puisque prenant en compte les incertitudes entachant l'exécution des actions. Mais les algorithmes classiques utilisés dans le cadre des MDP sont trop complexes pour résoudre efficacement des problèmes de grande taille, comme c'est le cas de la robotique mobile. De ce fait, nous avons développé un algorithme de décomposition d'environnement, qui permet de réduire considérablement les temps de calcul. Nous en présentons dans cet article deux implantations sur machine parallèle MIMD à mémoire partagée distribuée, la seconde utilisant un gestionnaire de tâches.</abstract></profileDesc></hal></record>Pour manipuler ce document sous Unix (Dilib)
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