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Author: Abdellah Azmani
Publisher:
ISBN:
Category :
Languages : fr
Pages : 231
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Book Description
Ce mémoire propose diverses méthodes originales basées sur l'analyse qualitative d'un bond-graph. La première est consacrée à l'affectation automatique de la causalité. Elle présente une grande convivialité et une souplesse d'utilisation, et prend en compte les difficultés classiquement rencontrées dans un bond-graph (causalités dérivées, boucles algébriques). Elle se prête particulièrement à l'analyse des propriétés structurelles du modèle. Des algorithmes sont proposés dans le but de déterminer les informations causales nécessaires à l'exploitation de la méthodologie bond-graph. Une autre méthode concerne la détermination de l'équation d'état sous forme d'expressions formelles. Elle est intitulée «Méthode des Boucles et Chemins Causaux» (MBCC). Elle se fonde uniquement sur le parcours et l'analyse des chemins causaux et des boucles causales. La MBCC présente l'originalité de traiter à la fois les boucles algébriques entre des éléments dissipatifs et la causalité dérivée. Cette méthode est applicable pour certaines classes de systèmes non linéaires et pour des éléments multiports. Ces différentes méthodes ont contribué à la réalisation d'un logiciel d'aide à la modélisation des systèmes dynamiques : ARCHER. Sa philosophie ainsi que sa spécificité sont exposées et détaillées. ARCHER est réalisé selon les concepts de la programmation orientée objet et utilise les techniques de l'Intelligence Artificielle
Author: Abdellah Azmani
Publisher:
ISBN:
Category :
Languages : fr
Pages : 231
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Book Description
Ce mémoire propose diverses méthodes originales basées sur l'analyse qualitative d'un bond-graph. La première est consacrée à l'affectation automatique de la causalité. Elle présente une grande convivialité et une souplesse d'utilisation, et prend en compte les difficultés classiquement rencontrées dans un bond-graph (causalités dérivées, boucles algébriques). Elle se prête particulièrement à l'analyse des propriétés structurelles du modèle. Des algorithmes sont proposés dans le but de déterminer les informations causales nécessaires à l'exploitation de la méthodologie bond-graph. Une autre méthode concerne la détermination de l'équation d'état sous forme d'expressions formelles. Elle est intitulée «Méthode des Boucles et Chemins Causaux» (MBCC). Elle se fonde uniquement sur le parcours et l'analyse des chemins causaux et des boucles causales. La MBCC présente l'originalité de traiter à la fois les boucles algébriques entre des éléments dissipatifs et la causalité dérivée. Cette méthode est applicable pour certaines classes de systèmes non linéaires et pour des éléments multiports. Ces différentes méthodes ont contribué à la réalisation d'un logiciel d'aide à la modélisation des systèmes dynamiques : ARCHER. Sa philosophie ainsi que sa spécificité sont exposées et détaillées. ARCHER est réalisé selon les concepts de la programmation orientée objet et utilise les techniques de l'Intelligence Artificielle
Author: José Joaquin Granda
Publisher:
ISBN:
Category : Bond graphs
Languages : en
Pages : 440
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Book Description
Author: José Joaquin Granda
Publisher:
ISBN:
Category : Computers
Languages : en
Pages : 416
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Book Description
Author: Söhnke M. Bartram
Publisher: CFA Institute Research Foundation
ISBN: 195292703X
Category : Business & Economics
Languages : en
Pages : 95
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Book Description
Artificial intelligence (AI) has grown in presence in asset management and has revolutionized the sector in many ways. It has improved portfolio management, trading, and risk management practices by increasing efficiency, accuracy, and compliance. In particular, AI techniques help construct portfolios based on more accurate risk and return forecasts and more complex constraints. Trading algorithms use AI to devise novel trading signals and execute trades with lower transaction costs. AI also improves risk modeling and forecasting by generating insights from new data sources. Finally, robo-advisors owe a large part of their success to AI techniques. Yet the use of AI can also create new risks and challenges, such as those resulting from model opacity, complexity, and reliance on data integrity.
Author: Denise Pumain
Publisher: Springer Science & Business Media
ISBN: 1402041276
Category : Business & Economics
Languages : en
Pages : 248
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Book Description
Hierarchy is a form of organisation of complex systems that rely on or produce a strong differentiation in capacity (power and size) between the parts of the system. It is frequently observed within the natural living world as well as in social institutions. According to the authors, hierarchy results from random processes, follows an intentional design, or is the result of the organisation which ensures an optimal circulation of energy for information. This book reviews ancient and modern representations and explanations of hierarchies, and compares their relevance in a variety of fields, such as language, societies, cities, and living species. It throws light on concepts and models such as scaling laws, fractals and self-organisation that are fundamental in the dynamics and morphology of complex systems. At a time when networks are celebrated for their efficiency, flexibility and better social acceptance, much can be learned about the persistent universality and adaptability of hierarchies, and from the analogies and differences between biological and social organisation and processes. This book addresses a wide audience of biologists and social scientists, as well as managers and executives in a variety of institutions.
Author: Rochdi Merzouki
Publisher: Springer Science & Business Media
ISBN: 144714628X
Category : Technology & Engineering
Languages : en
Pages : 960
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Book Description
Acting as a support resource for practitioners and professionals looking to advance their understanding of complex mechatronic systems, Intelligent Mechatronic Systems explains their design and recent developments from first principles to practical applications. Detailed descriptions of the mathematical models of complex mechatronic systems, developed from fundamental physical relationships, are built on to develop innovative solutions with particular emphasis on physical model-based control strategies. Following a concurrent engineering approach, supported by industrial case studies, and drawing on the practical experience of the authors, Intelligent Mechatronic Systems covers range of topic and includes: An explanation of a common graphical tool for integrated design and its uses from modeling and simulation to the control synthesis Introductions to key concepts such as different means of achieving fault tolerance, robust overwhelming control and force and impedance control Dedicated chapters for advanced topics such as multibody dynamics and micro-electromechanical systems, vehicle mechatronic systems, robot kinematics and dynamics, space robotics and intelligent transportation systems Detailed discussion of cooperative environments and reconfigurable systems Intelligent Mechatronic Systems provides control, electrical and mechanical engineers and researchers in industrial automation with a means to design practical, functional and safe intelligent systems.
Author: Florian Jaton
Publisher: MIT Press
ISBN: 0262542145
Category : Computers
Languages : en
Pages : 401
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Book Description
A laboratory study that investigates how algorithms come into existence. Algorithms--often associated with the terms big data, machine learning, or artificial intelligence--underlie the technologies we use every day, and disputes over the consequences, actual or potential, of new algorithms arise regularly. In this book, Florian Jaton offers a new way to study computerized methods, providing an account of where algorithms come from and how they are constituted, investigating the practical activities by which algorithms are progressively assembled rather than what they may suggest or require once they are assembled.
Author: Kerstin Dautenhahn
Publisher: Springer Science & Business Media
ISBN: 0306473739
Category : Computers
Languages : en
Pages : 297
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Book Description
Socially situated planning provides one mechanism for improving the social awareness ofagents. Obviously this work isin the preliminary stages and many of the limitation and the relationship to other work could not be addressed in such a short chapter. The chief limitation, of course, is the strong commitment to de?ning social reasoning solely atthe meta-level, which restricts the subtlety of social behavior. Nonetheless, our experience in some real-world military simulation applications suggest that the approach, even in its preliminary state, is adequate to model some social interactions, and certainly extends the sta- of-the art found in traditional training simulation systems. Acknowledgments This research was funded by the Army Research Institute under contract TAPC-ARI-BR References [1] J. Gratch. Emile: Marshalling passions in training and education. In Proceedings of the Fourth International Conference on Autonomous Agents, pages 325–332, New York, 2000. ACM Press. [2] J. Gratch and R. Hill. Continous planning and collaboration for command and control in joint synthetic battlespaces. In Proceedings of the 8th Conference on Computer Generated Forces and Behavioral Representation, Orlando, FL, 1999. [3] B. Grosz and S. Kraus. Collaborative plans for complex group action. Arti?cial Intelli gence, 86(2):269–357, 1996. [4] A. Ortony, G. L. Clore, and A. Collins. The Cognitive Structure of Emotions. Cambridge University Press, 1988. [5] R.W.PewandA.S.Mavor,editors. Modeling Human and Organizational Behavior. National Academy Press, Washington D.C., 1998.
Author: S.G. Tzafestas
Publisher: Springer Science & Business Media
ISBN: 9401125260
Category : Technology & Engineering
Languages : en
Pages : 625
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Book Description
Robotics is a modern interdisciplinary field that has emerged from the marriage of computerized numerical control and remote manipulation. Today's robotic systems have intelligence features, and are able to perform dexterous and intelligent human-like actions through appropriate combination of learning, perception, planning, decision making and control. This book presents advanced concepts, techniques and applications reflecting the experience of a wide group of specialists in the field. Topics include: kinematics, dynamics, path planning and tracking, control, mobile robotics, navigation, robot programming, and sophisticated applications in the manufacturing, medical, and other areas.
Author:
Publisher:
ISBN:
Category : Logic programming
Languages : en
Pages : 0
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