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Control, Models and Industrial Manipulators

Author: Erik Hedberg

Publisher: Linköping University Electronic Press

Published: 2020-11-23

Total Pages: 64

ISBN-13: 9179297404

The two topics at the heart of this thesis are how to improve control of industrial manipulators and how to reason about the role of models in automatic control. On industrial manipulators, two case studies are presented. The first investigates estimation with inertial sensors, and the second compares control by feedback linearization to control based on gain-scheduling. The contributions on the second topic illustrate the close connection between control and estimation in different ways. A conceptual model of control is introduced, which can be used to emphasize the role of models as well as the human aspect of control engineering. Some observations are made regarding block-diagram reformulations that illustrate the relation between models, control and inversion. Finally, a suggestion for how the internal model principle, internal model control, disturbance observers and Youla-Kucera parametrization can be introduced in a unified way is presented.

Kinematic Modeling, Identification, and Control of Robotic Manipulators

Author: Henry W. Stone

Publisher: Springer Science & Business Media

Published: 1987-09-30

Total Pages: 258

ISBN-13: 9780898382372

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The objective of this dissertation is to advance the state-of-the-art in the kinematic modeling, identification, and control of robotic manipulators with rigid links in an effort to improve robot kinematic performance. The positioning accuracy of commercially-available industrial robotic manipulators depends upon a kinematic model which describes the robot geometry in a parametric form. Manufacturing error in the machining and assembly of manipulators lead to discrepancies between the design parameters and the physical structure. Improving the kinematic perfor mance thus requires the identification of the actual kinematic parameters of each individual robot. The identified kinematic parameters are referred to as the arm signature. Existing robot kinematic models, such as the Denavit-Hartenberg model, are not directly applicable to kinematic parameter identification. In this dissertation we introduce a new kinematic model, called the 5-Model, which is applicable to kinematic parameter identification, and use it as the foundation for our development of a general technique for identifying the kinematic parameters of any robot with rigid links.

Modelling and Control of Robot Manipulators

Author: Lorenzo Sciavicco

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 391

ISBN-13: 1447104498

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Fundamental and technological topics are blended uniquely and developed clearly in nine chapters with a gradually increasing level of complexity. A wide variety of relevant problems is raised throughout, and the proper tools to find engineering-oriented solutions are introduced and explained, step by step. Fundamental coverage includes: Kinematics; Statics and dynamics of manipulators; Trajectory planning and motion control in free space. Technological aspects include: Actuators; Sensors; Hardware/software control architectures; Industrial robot-control algorithms. Furthermore, established research results involving description of end-effector orientation, closed kinematic chains, kinematic redundancy and singularities, dynamic parameter identification, robust and adaptive control and force/motion control are provided. To provide readers with a homogeneous background, three appendices are included on: Linear algebra; Rigid-body mechanics; Feedback control. To acquire practical skill, more than 50 examples and case studies are carefully worked out and interwoven through the text, with frequent resort to simulation. In addition, more than 80 end-of-chapter exercises are proposed, and the book is accompanied by a solutions manual containing the MATLAB code for computer problems; this is available from the publisher free of charge to those adopting this work as a textbook for courses.

Robot Manipulators

Author: Etienne Dombre

Publisher: John Wiley & Sons

Published: 2013-03-01

Total Pages: 304

ISBN-13: 1118614100

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This book presents the most recent research results on modeling and control of robot manipulators. Chapter 1 gives unified tools to derive direct and inverse geometric, kinematic and dynamic models of serial robots and addresses the issue of identification of the geometric and dynamic parameters of these models. Chapter 2 describes the main features of serial robots, the different architectures and the methods used to obtain direct and inverse geometric, kinematic and dynamic models, paying special attention to singularity analysis. Chapter 3 introduces global and local tools for performance analysis of serial robots. Chapter 4 presents an original optimization technique for point-to-point trajectory generation accounting for robot dynamics. Chapter 5 presents standard control techniques in the joint space and task space for free motion (PID, computed torque, adaptive dynamic control and variable structure control) and constrained motion (compliant force-position control). In Chapter 6, the concept of vision-based control is developed and Chapter 7 is devoted to specific issue of robots with flexible links. Efficient recursive Newton-Euler algorithms for both inverse and direct modeling are presented, as well as control methods ensuring position setting and vibration damping.

Non-Adaptive and Adaptive Control of Manipulation Robots

Author: M. Vukobratovic

Publisher: Springer Science & Business Media

Published: 2013-12-11

Total Pages: 394

ISBN-13: 3642822010

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The material presented in this monograph is a logical continuation of research results achieved in the control of manipulation robots. This is in a way, a synthesis of many-year research efforts of the associates of Robotics Department, Mihailo Pupin Institute, in the field of dynamic control.of robotic systems. As in Vol. 2 of this Series, all results rely on the mathematical models of dynamics of active spatial mechanisms which offer the possibility for adequate dynamic control of manipula tion robots. Compared with Vol. 2, this monograph has three essential new character istics, and a variety of new tasks arising in the control of robots which have been formulated and solved for the first time. One of these novelties is nonadaptive control synthesized for the case of large variations in payload parameters, under the condition that the practical stability of the overall system is satisfied. Such a case of control synthesis meets the actual today's needs in industrial robot applications. The second characteristic of the monograph is the efficient adaptive control algorithm based on decentralized control structure intended for tasks in which parameter variations cannot be specified in advance. To be objective, this is not the case in industrial robotics today. Thus, nonadaptive control with and without a particular parameter variation is supplemented by adaptive dynamic control algorithms which will cer tainly be applicable in the future industrial practice when parametric identification of workpieces will be required.

Guide for the Control of an Industrial Manipulator

Author: Pau Ramos Ramírez

Publisher:

Published: 2013

Total Pages:

ISBN-13:

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The aim of this work is to present a practical guide to implement a controller for an industrial manipulator. The contents here presented are especially dedicated to a beginner in robotics. The necessary equations and methodologies are presented, although sometimes the explicit derivations are omitted, as this could lead to a loss of interest. The reader is encouraged to work in his or her specific control problem while reading this work. Of course, whenever the urge of knowing the steps leading from one expression to another appears, the source is available so that the person concerned may find what is looking for. Along with the theory, during the course of the explanations a controller for a real manipulator is designed. After every step, the results of applying the presented equations to the example are shown. This work ends with the numerical simulation of the aforesaid manipulator, including the recording of the movements of a 3D model of the robot. Even when no experimental results are presented, by the use of the 3D model it is possible to have an insight on how the robot would react with the designed controller. Also, some other control strategies different from the main one are introduced. Furthermore, the reader will find in the bibliography all the necessary to keep learning long after finished reading these pages.

Control of Robot Manipulators in Joint Space

Author: Rafael Kelly

Publisher: Springer Science & Business Media

Published: 2007-12-14

Total Pages: 430

ISBN-13: 1852339993

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Tutors can design entry-level courses in robotics with a strong orientation to the fundamental discipline of manipulator control pdf solutions manual Overheads will save a great deal of time with class preparation and will give students a low-effort basis for more detailed class notes Courses for senior undergraduates can be designed around Parts I – III; these can be augmented for masters courses using Part IV

Modeling and Control of Robotic Manipulators and Manufacturing Processes

Author: American Society of Mechanical Engineers. Winter Annual Meeting

Publisher:

Published: 1987

Total Pages: 446

ISBN-13:

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Robot Force Control

Author: Bruno Siciliano

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 154

ISBN-13: 1461544319

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One of the fundamental requirements for the success of a robot task is the capability to handle interaction between manipulator and environment. The quantity that describes the state of interaction more effectively is the contact force at the manipulator's end effector. High values of contact force are generally undesirable since they may stress both the manipulator and the manipulated object; hence the need to seek for effective force control strategies. The book provides a theoretical and experimental treatment of robot interaction control. In the framework of model-based operational space control, stiffness control and impedance control are presented as the basic strategies for indirect force control; a key feature is the coverage of six-degree-of-freedom interaction tasks and manipulator kinematic redundancy. Then, direct force control strategies are presented which are obtained from motion control schemes suitably modified by the closure of an outer force regulation feedback loop. Finally, advanced force and position control strategies are presented which include passivity-based, adaptive and output feedback control schemes. Remarkably, all control schemes are experimentally tested on a setup consisting of a seven-joint industrial robot with open control architecture and force/torque sensor. The topic of robot force control is not treated in depth in robotics textbooks, in spite of its crucial importance for practical manipulation tasks. In the few books addressing this topic, the material is often limited to single-degree-of-freedom tasks. On the other hand, several results are available in the robotics literature but no dedicated monograph exists. The book is thus aimed at filling this gap by providing a theoretical and experimental treatment of robot force control.

Modeling and Control of Robot Manipulators

Author: Lorenzo Sciavicco

Publisher: McGraw-Hill Companies

Published: 1996

Total Pages: 392

ISBN-13:

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Fundamental and technological topics are uniquely blended and clearly developed in nine chapters - with a gradually increasing level of complexity. A wide variety of relevant problems is raised throughout, and the proper tools to find engineering oriented solutions are introduced and explained, step by step the book's coverage is further enriched by the inclusion of trajectory planning, actuators, sensors, and control architectures - which are topics not commonly found in other texts, despite their significance for today's industrial robotics.