The Near-minimum-time Control of Open-loop Articulated Kinematic Chains

The Near-minimum-time Control of Open-loop Articulated Kinematic Chains

Author: Michael Edwin Kahn

Publisher:

Published: 1969

Total Pages: 202

ISBN-13:

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The time-optimal control of a system of rigid bodies connected in series by single-degree-of-freedom joints is studied. The dynamical equations of the system are highly nonlinear and a closed-form representation of the minimum-time feedback control is not possible. However, a suboptimal feedback control which provides a close approximation to the optimal control is developed. The suboptimal control is expressed in terms of switching curves for each of the system controls. These curves are obtained from the linearized equations of motion for the system. Approximations are made for the effects of gravity loads and angular velocity terms in the nonlinear equations of motion. Digital simulation is used to obtain a comparison of response of the optimal and suboptimal controls. The speed of response of the suboptimal control is found to compare quite favorably with the response speed of the optimal control. The analysis is applied to the control of three joints of a mechanical manipulator. Modifications of the suboptimal control for use in a sampled-data system are shown to result in good performance of a hydraulic manipulator under computer control. (Author).


Theory of Applied Robotics

Theory of Applied Robotics

Author: Reza N. Jazar

Publisher: Springer Science & Business Media

Published: 2010-11-05

Total Pages: 888

ISBN-13: 144191756X

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The second edition of this book would not have been possible without the comments and suggestions from my students, especially those at Columbia University. Many of the new topics introduced here are a direct result of student feedback that helped me refine and clarify the material. My intention when writing this book was to develop material that I would have liked to had available as a student. Hopefully, I have succeeded in developing a reference that covers all aspects of robotics with sufficient detail and explanation. The first edition of this book was published in 2007 and soon after its publication it became a very popular reference in the field of robotics. I wish to thank the many students and instructors who have used the book or referenced it. Your questions, comments and suggestions have helped me create the second edition. Preface This book is designed to serve as a text for engineering students. It introduces the fundamental knowledge used in robotics. This knowledge can be utilized to develop computer programs for analyzing the kinematics, dynamics, and control of robotic systems.


Motion and Operation Planning of Robotic Systems

Motion and Operation Planning of Robotic Systems

Author: Giuseppe Carbone

Publisher: Springer

Published: 2015-03-12

Total Pages: 520

ISBN-13: 3319147056

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This book addresses the broad multi-disciplinary topic of robotics, and presents the basic techniques for motion and operation planning in robotics systems. Gathering contributions from experts in diverse and wide ranging fields, it offers an overview of the most recent and cutting-edge practical applications of these methodologies. It covers both theoretical and practical approaches, and elucidates the transition from theory to implementation. An extensive analysis is provided, including humanoids, manipulators, aerial robots and ground mobile robots. ‘Motion and Operation Planning of Robotic Systems’ addresses the following topics: *The theoretical background of robotics. *Application of motion planning techniques to manipulators, such as serial and parallel manipulators. *Mobile robots planning, including robotic applications related to aerial robots, large scale robots and traditional wheeled robots. *Motion planning for humanoid robots. An invaluable reference text for graduate students and researchers in robotics, this book is also intended for researchers studying robotics control design, user interfaces, modelling, simulation, sensors, humanoid robotics.


Modelling and Control

Modelling and Control

Author: P. Coiffet

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 149

ISBN-13: 1468468464

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This first volume in the series is based on part of a course that I taught in various state and private institutions during 1979 and 1980. It was concerned with the design and control of stationary, articulated robots operating as non-feedback systems. This book (which is devoted to the statement and understanding of problems rather than their solution) presents a review of some of the work, started in 1972, of the team involved with robotics and biomechanics at the Automation Laboratory at Montpellier, in association with the French National Centre for Scientific Research. I am greatly indebted to Professor A. Liegeois, the guiding light of the team, to A. Fournier, E. Dombre, W. Khalil, P. Molinier and P. Borrel who have contributed so much to the progress made in this field. The second volume will describe the present state of the knowledge of robotic systems which are able to perceive the environment, to a greater or lesser extent, and to react appropriately. Such robots will be able to perform the function required of them, in spite of unpredictable, limited changes in the environment. The third volume will deal with teleoperations, the branch of robotics characterized by the necessary and almost permanent presence of a human operator at the controls. The fourth volume will be concerned with technological components of robots and further volumes will discuss robotic languages and programming methods, decision autonomy and artificial intelligence and, finally, the computer-aided design of robots.


Dynamics of Manipulation Robots

Dynamics of Manipulation Robots

Author: M. Vukobratovic

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 319

ISBN-13: 3642818544

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This monograph represents the first book of the series entitled "SCI ENTIFIC FUNDAMENTALS OF ROBOTICS". The aim of this monograph is to ap proach the dynamics of active mechanisms from the standpoint of its application to the synthesis of complex motion and computer-aided de sign of manipulation mechanisms with some optimal performances. The rapid development of a new class of mechanisms, which may be referred to as active mechanisms, contributed to their application in various environments (from underwater to cosmic) . Because of some specific fea tures, these mechanisms require very careful description, both in a mechanical sense (kinematic and dynamic) and in the synthesis of algo rithms for precise tracking of the above motion under insufficiently defined operating conditions. Having also in mind the need for a very fast (even real-time) calculation of system dynamics and for eliminating, in principle, the errors made when forming mathematical models "by hand" this monograph will primarily present methods for automatic for mUlation of dynamic equations of motion of active spatial mechanisms. Apart from these computer-oriented methods, mention will be made of all those methods which have preceded the computer-oriented procedures, predominantly developed for different problems of rigid body dynamics. If we wish to systematically establish the origins of the scientific discipline, which could be called robot dynamics, we must recall some groups and individuals, who, by solving actual problems in the synthe sis and control of artificial motion, have contributed to a gradual formation of this discipline.


Robotics Science

Robotics Science

Author: Michael Brady

Publisher: MIT Press

Published: 1989

Total Pages: 642

ISBN-13: 9780262022842

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These 16 contributions provide a field guide to robotics science today.These 16 contributions provide a field guide to robotics science today. Each takes up current work the problems addressed, and future directions in the areas of perception, planning, control, design, and actuation. In a substantial introduction, Michael Brady summarizes a personal list of 30 problems, problem areas, and issues that lie on the path to development of a science of robotics. These involve sensing vision, mobility, design, control, manipulation, reasoning, geometric reasoning and systems integration.ContentsThe Problems of Robotics, Michael Brady - Perception. A Few Steps Toward Artificial 3-D Vision, Olivier D. Faugeras - Contact Sensing for Robot Active Touch, Paolo Dario - Learning and Recognition in Natural Environments, Alex Pentland and Robert Bolles - 3-D Vision for Outdoor Navigation by an Autonomous Vehicle, Martial Hebert and Takeo Kanade - Planning. Geometric Issues in Planning Robot Tasks, Tomas Lozano Perez and Russell Taylor - Robotic Manipulation: Mechanics and Planning, Matthew Mason - Control. A Survey of Manipulation and Assembly: Development of the Field and Open Research Issues, Daniel Whitney - Control, Suguru Arimoto - Kinematics and Dynamics for Control, John Hollerbach - The Whole Iguana, Rodney Brooks - Design and Actuation. Design and Kinematics for Force and Velocity Control of Manipulators and End Effectors, Bernard Roth - Arm Design, Haruhiko Asada - Behavior Based Design of Robot Effectors, Stephen Jacobsen, Craig Smith, Klaus Biggers, and Edwin Iversen - Using an Articulated Hand to Manipulate Objects, Kenneth Salisbury, David Brock and Patrick O'Donnell - Legged Robots, Marc RaibertRobotics Science is included in the System Development Foundation Benchmark series. System Development Foundation grants have contributed significantly to the development of robotics in the United States during the 1980s.


RoManSy 6

RoManSy 6

Author: A. Morecki

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 632

ISBN-13: 1468469150

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Optimization, Optimal Control and Partial Differential Equations

Optimization, Optimal Control and Partial Differential Equations

Author: V. Barbu

Publisher: Birkhäuser

Published: 2013-03-07

Total Pages: 344

ISBN-13: 303488625X

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This book collects research papers presented in the First Franco Romanian Conference on Optimization, Optimal Control and Partial Differential Equations held at lasi on 7-11 september 1992. The aim and the underlying idea of this conference was to take advantage of the new SOCial developments in East Europe and in particular in Romania to stimulate the scientific contacts and cooperation between French and Romanian mathematicians and teams working in the field of optimization and partial differential equations. This volume covers a large spectrum of problems and result developments in this field in which most of the participants have brought notable contributions. The following topics are discussed in the contributions presented in this volume. 1 -Variational methods in mechanics and physical models Here we mention the contributions of D. Cioranescu. P. Donato and H.I. Ene (fluid flows in dielectric porous media). R. Stavre (the impact of a jet with two fluids on a porous wall). C. Lefter and D. Motreanu (nonlinear eigenvalue problems with discontinuities). I. Rus (maximum principles for elliptic systems). and on asymptotic XII properties of solutions of evolution equations (R Latcu and M. Megan. R Luca and R Morozanu. R Faure). 2 -The controllabillty of Inflnlte dimensional and distributed parameter systems with the contribution of P. Grisvard (singularities and exact controllability for hyperbolic systems). G. Geymonat. P. Loreti and V. Valente (exact controllability of a shallow shell model). C.


Robotics and Automation Handbook

Robotics and Automation Handbook

Author: Thomas R. Kurfess

Publisher: CRC Press

Published: 2018-10-03

Total Pages: 604

ISBN-13: 1420039733

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As the capability and utility of robots has increased dramatically with new technology, robotic systems can perform tasks that are physically dangerous for humans, repetitive in nature, or require increased accuracy, precision, and sterile conditions to radically minimize human error. The Robotics and Automation Handbook addresses the major aspects of designing, fabricating, and enabling robotic systems and their various applications. It presents kinetic and dynamic methods for analyzing robotic systems, considering factors such as force and torque. From these analyses, the book develops several controls approaches, including servo actuation, hybrid control, and trajectory planning. Design aspects include determining specifications for a robot, determining its configuration, and utilizing sensors and actuators. The featured applications focus on how the specific difficulties are overcome in the development of the robotic system. With the ability to increase human safety and precision in applications ranging from handling hazardous materials and exploring extreme environments to manufacturing and medicine, the uses for robots are growing steadily. The Robotics and Automation Handbook provides a solid foundation for engineers and scientists interested in designing, fabricating, or utilizing robotic systems.