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Dynamics of Parallel Robots

2015-06-22 Technology & Engineering
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Release : 2015-06-22
Genre : Technology & Engineering
Kind : eBook
Book Rating : 886/5 ( reviews)

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Book Synopsis Dynamics of Parallel Robots by : Sébastien Briot

Download or read book Dynamics of Parallel Robots written by Sébastien Briot. This book was released on 2015-06-22. Available in PDF, EPUB and Kindle. Book excerpt: This book starts with a short recapitulation on basic concepts, common to any types of robots (serial, tree structure, parallel, etc.), that are also necessary for computation of the dynamic models of parallel robots. Then, as dynamics requires the use of geometry and kinematics, the general equations of geometric and kinematic models of parallel robots are given. After, it is explained that parallel robot dynamic models can be obtained by decomposing the real robot into two virtual systems: a tree-structure robot (equivalent to the robot legs for which all joints would be actuated) plus a free body corresponding to the platform. Thus, the dynamics of rigid tree-structure robots is analyzed and algorithms to obtain their dynamic models in the most compact form are given. The dynamic model of the real rigid parallel robot is obtained by closing the loops through the use of the Lagrange multipliers. The problem of the dynamic model degeneracy near singularities is treated and optimal trajectory planning for crossing singularities is proposed. Lastly, the approach is extended to flexible parallel robots and the algorithms for computing their symbolic model in the most compact form are given. All theoretical developments are validated through experiments.

Parallel Robots

2013-02-20 Technology & Engineering
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Release : 2013-02-20
Genre : Technology & Engineering
Kind : eBook
Book Rating : 286/5 ( reviews)

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Book Synopsis Parallel Robots by : Hamid D. Taghirad

Download or read book Parallel Robots written by Hamid D. Taghirad. This book was released on 2013-02-20. Available in PDF, EPUB and Kindle. Book excerpt: Parallel structures are more effective than serial ones for industrial automation applications that require high precision and stiffness, or a high load capacity relative to robot weight. Although many industrial applications have adopted parallel structures for their design, few textbooks introduce the analysis of such robots in terms of dynamics

Parallel Robots

2000-07-31 Computers
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Release : 2000-07-31
Genre : Computers
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis Parallel Robots by : J.P. Merlet

Download or read book Parallel Robots written by J.P. Merlet. This book was released on 2000-07-31. Available in PDF, EPUB and Kindle. Book excerpt: Parallel robots are closed-loop mechanisms presenting very good performances in terms of accuracy, rigidity and ability to manipulate large loads. Parallel robots have been used in a large number of applications ranging from astronomy to flight simulators and are becoming increasingly popular in the field of machine-tool industry. This book presents a complete synthesis of the latest results on the possible mechanical architectures, analysis and synthesis of this type of mechanism. It is intended to be used by students (with over 100 exercises and numerous Internet addresses), researchers (with over 500 references and anonymous ftp access to the code of some algorithms presented in this book) and engineers (for which practical results and applications are presented).

Dynamics of Parallel Robots

2018-09-14 Technology & Engineering
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Release : 2018-09-14
Genre : Technology & Engineering
Kind : eBook
Book Rating : 227/5 ( reviews)

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Book Synopsis Dynamics of Parallel Robots by : Stefan Staicu

Download or read book Dynamics of Parallel Robots written by Stefan Staicu. This book was released on 2018-09-14. Available in PDF, EPUB and Kindle. Book excerpt: This book establishes recursive relations concerning kinematics and dynamics of constrained robotic systems. It uses matrix modeling to determine the connectivity conditions on the relative velocities and accelerations in order to compare two efficient energetic ways in dynamics modeling: the principle of virtual work, and the formalism of Lagrange's equations. First, a brief fundamental theory is presented on matrix mechanics of the rigid body, which is then developed in the following five chapters treating matrix kinematics of the rigid body, matrix kinematics of the composed motion, kinetics of the rigid body, dynamics of the rigid body, and analytical mechanics. By using a set of successive mobile frames, the geometrical properties and the kinematics of the vector system of velocities and accelerations for each element of the robot are analysed. The dynamics problem is solved in two energetic ways: using an approach based on the principle of virtual work and applying the formalism of Lagrange's equations of the second kind. These are shown to be useful for real-time control of the robot's evolution. Then the recursive matrix method is applied to the kinematics and dynamics analysis of five distinct case studies: planar parallel manipulators, spatial parallel robots, planetary gear trains, mobile wheeled robots and, finally, two-module hybrid parallel robots.

Parallel Manipulators of Robots

2020-09-10 Technology & Engineering
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Release : 2020-09-10
Genre : Technology & Engineering
Kind : eBook
Book Rating : 732/5 ( reviews)

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Book Synopsis Parallel Manipulators of Robots by : Korganbay Sagnayevich Sholanov

Download or read book Parallel Manipulators of Robots written by Korganbay Sagnayevich Sholanov. This book was released on 2020-09-10. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the theoretical framework of parallel manipulators and presents examples of their application. The theoretical part begins with the theory of parallel manipulator synthesis. Working on this basis, various topology designs of one-loop and multiloop parallel manipulators are then obtained. The next section describes the zero parameters method for the analysis of mechanism (manipulator) structure with closed kinematic circuits, and includes examples of its application, highlighting its advantages compared to traditional methods. The book then presents the redundant parameters method for determining the position of special parallel manipulator links, and discusses its application in solving the direct problem of link position for multiloop manipulators. It also addresses one-loop and multiloop manipulators, and includes a solution for the direct and inverse link position problems of kinematics. In closing, the book presents a range of potential applications for parallel manipulator. These examples are intended to promote the development and implementation of new engineering solutions, e.g. in seismic protection systems, renewable energy and other areas. The book includes a wealth of material that can be used for teaching undergraduate, graduate and PhD students majoring in robotics, automation and related fields, and can also be used by researchers to solve problems in connection with introducing robotics technologies.

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