Nonsmooth Mechanics
Models, Dynamics and Control
(Sprache: Englisch)
Thank you for opening the second edition of this monograph, which is devoted to the study of a class of nonsmooth dynamical systems of the general form: ::i; = g(x,u) (0. 1) f(x, t) 2: 0 where x E JRn is the system's state vector, u E JRm is the vector of...
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Klappentext zu „Nonsmooth Mechanics “
Thank you for opening the second edition of this monograph, which is devoted to the study of a class of nonsmooth dynamical systems of the general form: ::i; = g(x,u) (0. 1) f(x, t) 2: 0 where x E JRn is the system's state vector, u E JRm is the vector of inputs, and the function f (-, . ) represents a unilateral constraint that is imposed on the state. More precisely, we shall restrict ourselves to a subclass of such systems, namely mechanical systems subject to unilateral constraints on the position, whose dynamical equations may be in a first instance written as: ii= g(q,q,u) (0. 2) f(q, t) 2: 0 where q E JRn is the vector of generalized coordinates of the system and u is an in put (or controller) that generally involves a state feedback loop, i. e. u= u(q, q, t, z), with z= Z(z, q, q, t) when the controller is a dynamic state feedback. Mechanical systems composed of rigid bodies interacting fall into this subclass. A general prop erty of systems as in (0. 1) and (0. 2) is that their solutions are nonsmooth (with respect to time): Nonsmoothness arises primarily from the occurence of impacts (or collisions, or percussions) in the dynamical behaviour, when the trajectories attain the surface f(x, t) = O. They are necessary to keep the trajectories within the subspace = {x : f(x, t) 2: O} of the system's state space.
Inhaltsverzeichnis zu „Nonsmooth Mechanics “
1 Distributional model of impacts.- 1.1 External percussions.- 1.2 Measure differential equations.- 1.3 Systems subject to unilateral constraints.- 1.4 Changes of coordinates in MDEs.- 2 Approximating problems.- 2.1 Simple examples.- 2.2 The method of penalizing functions.- 3 Variational principles.- 3.1 Virtual displacements principle.- 3.2 Gauss' principle.- 3.3 Lagrange's equations.- 3.4 External impulsive forces.- 3.5 Hamilton's principle and unilateral constraints.- 4 Two bodies colliding.- 4.1 Dynamical equations of two rigid bodies colliding.- 4.2 Percussion laws.- 5 Multiconstraint nonsmooth dynamics.- 5.1 Introduction. Delassus' problem.- 5.2 Multiple impacts: the striking balls examples.- 5.3 Moreau's sweeping process.- 5.4 Complementarity formulations.- 5.5 The Painlevé's example.- 5.6 Numerical analysis.- 6 Generalized impacts.- 6.1 The frictionless case.- 6.2 The use of the kinetic metric.- 6.3 Simple generalized impacts.- 6.4 Multiple generalized impacts.- 6.5 General restitution rules for multiple impacts.- 6.6 Constraints with Amontons-Coulomb friction.- 6.7 Additional comments and studies.- 7 Stability of nonsmooth dynamical systems.- 7.1 General stability concepts.- 7.2 Grazing orC-bifurcations.- 7.3 Stability: from compliant to rigid models.- 8 Feedback control.- 8.1 Controllability properties.- 8.2 Control of complete robotic tasks.- 8.3 Dynamic model.- 8.4 Stability analysis framework.- 8.5 A one degree-of-freedom example.- 8.6ndegree-of-freedom rigid manipulators.- 8.7 Complementary-slackness juggling systems.- 8.8 Systems with dynamic backlash.- 8.9 Bipedal locomotion.- A Schwartz' distributions.- A.1 The functional approach.- A.2 The sequential approach.- A.3 Notions of convergence.- B Measures and integrals.- C Functions ofbounded variation in time.- C.1 Definition and generalities.- C.2 Spaces of functions of bounded variation.- C.3 Sobolev spaces.- D Elements of convex analysis.
Autoren-Porträt von Bernard Brogliato
In addition to having served (1991 - 2001) as Chargé de Recherche at CNRS, and as, now, Directeur de Recherche at INRIA, Bernard Brogliato is an Associate Editor for Automatica (since 2001) a reviewer for Mathematical Reviews and writes book reviews for ASME Applied Mechanics Reviews. He has served on the organising and other committees of various European and international conferences sponsored by an assortment of organizations, most prominently, the IEEE. He has been responsible for examining the PhD and Habilitation theses of 16 students and takes an active part in lecturing at summer schools in several European countries. Doctor Brogliato is the director of SICONOS (a European project concerned with Modelling, Simulation and Control of Nonsmooth Dynamical Systems) which carries funding of EUR2 million.
Bibliographische Angaben
- Autor: Bernard Brogliato
- 2012, 2. Aufl., XX, 552 Seiten, Maße: 15,5 x 23,5 cm, Kartoniert (TB), Englisch
- Verlag: Springer, Berlin
- ISBN-10: 1447111613
- ISBN-13: 9781447111610
Sprache:
Englisch
Pressezitat
From reviews for the first edition: It is written with clarity, contains the latest research results in the area of impact problems for rigid bodies and is recommended for both applied mathematicians and engineers.
Mathematical Reviews 1998f (Reviewer: P.D. Panagiotopoulos)
The presentation is excellent in combining rigorous mathematics with a great number of examples ranging from simple mechanical systems to robotic systems allowing the reader to understand the basic concepts.
Mathematical Abstracts (Reviewer: H. Troger)
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