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L'AUTONOMIE D'UN ROBOT MOBILE DEPEND BEAUCOUP DE SES CAPACITES DE PERCEPTION ET D'INTERPRETATION, MAIS ELLE PROVIENT SURTOUT DU SYSTEME QUI GERE LES FACULTES DU ROBOT. CE SYSTEME DOIT ETRE APTE A RAISONNER SUR UN MODELE ABSTRAIT DE SON ENVIRONNEMENT POUR PRODUIRE UNE SEQUENCE D'ACTIONS PERMETTANT DE FAIRE ABOUTIR LA MISSION ASSIGNEE AU ROBOT, CONTROLER L'EXECUTION DE CETTE SEQUENCE D'ACTIONS DANS UN CONTEXTE REEL, DETECTER ET REAGIR AUX EVENEMENTS NON PLANIFIES, ET ASSURER LA REPRISE DE LA MISSION EN CAS D'ECHEC. POUR REPONDRE A CES EXIGENCES LE ROBOT POSSEDE UNE STRUCTURE DE CONTROLE HIERARCHIQUE ARTICULEE AUTOUR DE TROIS SOUS-SYSTEMES: I) UN PLANIFICATEUR QUI PREDETERMINE LES TACHES A ACCOMPLIR POUR ATTEINDRE LE BUT ASSIGNE, II) UN CONTROLEUR D'EXECUTION REACTIF QUI TIENT COMPTE DU CONTEXTE REEL POUR DECOMPOSER CHAQUE TACHE EN UN ENSEMBLE D'ACTIONS, GERE L'EXECUTION DE CES ACTIONS ET ASSURE LA MISE EN UVRE DES REACTIONS DU ROBOT FACE AUX EVENEMENTS NON PREVUS PAR LE PLANIFICATEUR, III) UNE STRUCTURE DISTRIBUEE, CONSTITUEE DE MODULES REACTIFS DESTINES A CONDUIRE L'EXECUTION DES ACTIONS DECIDEES. CETTE DERNIERE, AUSSI APPELEE COUCHE FONCTIONNELLE, ORGANISE LA CONNAISSANCE OPERATOIRE DU ROBOT, DEPUIS LA SIMPLE GESTION DES CAPTEURS ET DES EFFECTEURS, JUSQU'AUX TRAITEMENTS LES PLUS EVOLUES, TELS LA MODELISATION DE L'ENVIRONNEMENT, OU LA RECONNAISSANCE D'OBJETS....
Innovate Bristol highlights and celebrates those companies and individuals that are actively working at building a better tomorrow for all. Innovation Ecosystems thrive through the involvement and support of companies and individuals from all industries, which is why the Innovate series not only focuses on the innovators but also those people whom the Innovation Ecosystem, would not be able to thrive without.
This book includes papers presented at the Second International Conference on Electronic Engineering and Renewable Energy (ICEERE 2020), which focus on the application of artificial intelligence techniques, emerging technology and the Internet of things in electrical and renewable energy systems, including hybrid systems, micro-grids, networking, smart health applications, smart grid, mechatronics and electric vehicles. It particularly focuses on new renewable energy technologies for agricultural and rural areas to promote the development of the Euro-Mediterranean region. Given its scope, the book is of interest to graduate students, researchers and practicing engineers working in the fields of electronic engineering and renewable energy.
This work opens with an accessible introduction to computer networks, providing general definitions of commonly used terms in networking. This is followed by a detailed description of the OSI model, including the concepts of connection-oriented and connectionless communications. The text carefully elaborates the specific functions of each layer, along with what is expected of protocols operating at each layer. Next, the journey of a single packet, from source to destination, is described in detail. The final chapter is devoted to the TCP/IP model, beginning with a discussion of IP protocols and the supporting ARP, RARP and In ARP protocols. The work also discusses the TCP and UDP protocols operating at the transport layer and the application layer protocols HTTP, DNS, FTP, TFTP, SMTP, POP3 and Telnet. Important facts and definitions are highlighted in gray boxes found throughout the text.
This collection of twenty-three timely contributions covers a well-selected repertory of topics within the autonomous systems field. The book discusses a range of design, construction, control, and operation problems along with a multiplicity of well-established and novel solutions.
Presents research in Employee-Driven Innovation, an emergent field of study that meets the demand for exploiting new innovative potentials in organizations. There is a growing interest in creating new knowledge in innovation, emphasizing human resources and social processes. The authors intend to take the global lead in research on these areas.
This book examines how the computer, as we currently know it, will be replaced by a new generation of technologies, moving computing off the desktop and ultimately integrating it with real world objects and everyday environments. It provides a unique combination of concepts, methods and prototypes of ubiquitous and pervasive computing reflecting the current interest in smart environments and ambient intelligence.
Markov Decision Processes (MDPs) are a mathematical framework for modeling sequential decision problems under uncertainty as well as reinforcement learning problems. Written by experts in the field, this book provides a global view of current research using MDPs in artificial intelligence. It starts with an introductory presentation of the fundamental aspects of MDPs (planning in MDPs, reinforcement learning, partially observable MDPs, Markov games and the use of non-classical criteria). It then presents more advanced research trends in the field and gives some concrete examples using illustrative real life applications.
When working in the highly technical fields of astronomy and the related space sciences, the practitioner is constantly confronted with a baffling array of different abbreviations, acronyms, contractions, and symbols. The identification and differentiation of these terms is a task which, all too often, can prove to be a near impossible one. With over 140,000 separate dictionary-style entries, and over 20 years in collation, StarBriefs 2001 represents the most comprehensive and accurately validated collection of abbreviations, acronyms, contractions, and symbols within astronomy, related space sciences and other related fields. As such, this invaluable reference source (and its companion volume, StarGuides 2001 should be on the reference shelf of every library, organisation or individual with any interest in these areas. Besides astronomy and space sciences, related fields such as aeronautics, aeronomy, astronautics, atmospheric sciences, chemistry, communications, computer sciences, data processing, education, electronics, engineering, energetics, environmental, geodesy, geophysics, information handling, management, mathematics, meteorology, optics, physics, remote sensing, and so on, are also covered when justified. In addition, there are separate sections devoted to Greek letters, mathematical symbols, special signs and characters, as well as to entries with a numerical prefix. Finally, terms in common use and/or of general interest have also been included where appropriate.