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Author : Kai-i Huang
Publisher :
ISBN 13 :
Total Pages : 272 pages
Book Rating : 4.:/5 (252 download)
Download or read book Assembly Sequence Planning for Constrained Environments written by Kai-i Huang and published by . This book was released on 1991 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frederik W. Heger
Publisher :
ISBN 13 :
Total Pages : 145 pages
Book Rating : 4.:/5 (733 download)
Download or read book Assembly Planning in Constrained Environments written by Frederik W. Heger and published by . This book was released on 2010 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "Assembly is a task at which robots excel, but only as long as they operate in well-controlled environments such as factories or assembly lines. This thesis presents a comprehensive planning and execution framework that enables mobile manipulator robots to overcome this limitation and assemble large structures in physically challenging environments. In order to be useful in realistic scenarios, the developed system must be robust to inevitably occurring execution-time failures, generate plans efficiently and scale to large problems including complex structures being assembled by multiple robots. Complex tasks today are approached in one of two fundamental ways: as a problem of sequencing abstract tasks, or as fine-grained motion planning problems. The prior has no problem reasoning about large problems, but lacks understanding of the physical context of the scenario, whereas the latter considers physical reality but lacks the scope for complex scenarios. This thesis develops a graph-based representation that exploits synergies between both methodologies to solve large, physically grounded problems. Beyond planning complex assembly tasks, the fundamental challenge for a useful system lies in its ability to successfully execute the planned task even when unforeseen problems occur during operation. Comprehensive repair and re-planning strategies are essential to avoid terminal failures, and ultimate robustness is achieved by allowing an expert operator to assist with error recovery at the behavioral, executive and planning levels as appropriate. Once assembly plans can be executed reliably, the efficiency of plan generation can be improved both when finding the initial plan, as well as when repair and re-planning become necessary. The techniques presented in this thesis reduce the time required to generate an assembly plan by 2.5 orders of magnitude and more compared to a baseline solution performing best-first search over possible assembly steps. These improvements make the system practical to be applied to larger problems. Hierarchical problem decomposition, as well as computational and physical parallelization, allow the framework to scale to large structures of hundreds or thousands of components being assembled by multiple robots. The comprehensive assembly planning and execution framework developed in this thesis pushes the boundary of what mobile manipulator robots can accomplish in realistic environments. It provides the high-level intelligence necessary to apply low-level capabilities to very large problems, and it includes error recovery strategies to cope with inevitable exceptions while performing complex and challenging tasks."
Download or read book On Constraints in Assembly Planning written by and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Constraints on assembly plans vary depending on product, assembly facility, assembly volume, and many other factors. Assembly costs and other measures to optimize vary just as widely. To be effective, computer-aided assembly planning systems must allow users to express the plan selection criteria that appIy to their products and production environments. We begin this article by surveying the types of user criteria, both constraints and quality measures, that have been accepted by assembly planning systems to date. The survey is organized along several dimensions, including strategic vs. tactical criteria; manufacturing requirements VS. requirements of the automated planning process itself and the information needed to assess compliance with each criterion. The latter strongly influences the efficiency of planning. We then focus on constraints. We describe a framework to support a wide variety of user constraints for intuitive and efficient assembly planning. Our framework expresses all constraints on a sequencing level, specifying orders and conditions on part mating operations in a number of ways. Constraints are implemented as simple procedures that either accept or reject assembly operations proposed by the planner. For efficiency, some constraints are supplemented with special-purpose modifications to the planner's algorithms. Fast replanning enables an interactive plan-view-constrain-replan cycle that aids in constraint discovery and documentation. We describe an implementation of the framework in a computer-aided assembly planning system and experiments applying the system to a number of complex assemblies, including one with 472 parts.
Author : Luis S. Homem de Mello
Publisher : Springer Science & Business Media
ISBN 13 : 1461540380
Total Pages : 448 pages
Book Rating : 4.4/5 (615 download)
Download or read book Computer-Aided Mechanical Assembly Planning written by Luis S. Homem de Mello and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some twenty years have elapsed since the first attempts at planning were made by researchers in artificial intelligence. These early programs concentrated on the development of plans for the solution of puzzles or toy problems, like the rearrangement of stacks of blocks. These early programs provided the foundation for the work described in this book, the automatic generation of plans for industrial assembly. As one reads about the complex and sophisticated planners in the current gen eration, it is important to keep in mind that they are addressing real-world problems. Although these systems may become the "toy" systems of tomor row, they are providing a solid foundation for future, more general and more advanced planning tools. As demonstrated by the papers in this book, the field of computer-aided mechanical assembly planning is maturing. It now may include: • geometric descriptions of parts extracted from or compatible with CAD programs; • constraints related to part interference and the use of tools; • fixtures and jigs required for the assembly; • the nature of connectors, matings and other relations between parts; • number of turnovers required during the assembly; • handling and gripping requirements for various parts; • automatic identification of subassemblies. This is not an exhaustive list, but it serves to illustrate the complexity of some of the issues which are discussed in this book. Such issues must be considered in the design of the modern planners, as they produce desirable assembly sequences and precedence relations for assembly.
Author : Luis Castillo
Publisher : IOS Press
ISBN 13 : 9781586034849
Total Pages : 216 pages
Book Rating : 4.0/5 (348 download)
Download or read book Planning, Scheduling and Constraint Satisfaction written by Luis Castillo and published by IOS Press. This book was released on 2005 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bringing artificial intelligence planning and scheduling applications into the real world is a hard task that is receiving more attention every day by researchers and practitioners from many fields. In many cases, it requires the integration of several underlying techniques like planning, scheduling, constraint satisfaction, mixed-initiative planning and scheduling, temporal reasoning, knowledge representation, formal models and languages, and technological issues. Most papers included in this book are clear examples on how to integrate several of these techniques. Furthermore, the book also covers many interesting approaches in application areas ranging from industrial job shop to electronic tourism, environmental problems, virtual teaching or space missions. This book also provides powerful techniques that allow to build fully deployable applications to solve real problems and an updated review of many of the most interesting areas of application of these technologies, showing how powerful these technologies are to overcome the expresiveness and efficiency problems of real world problems.
Author : Alain Delchambre
Publisher : Springer Science & Business Media
ISBN 13 : 9401123225
Total Pages : 284 pages
Book Rating : 4.4/5 (11 download)
Download or read book Computer-aided Assembly Planning written by Alain Delchambre and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: The assembly sector is one of the least automated in the manufacturing industry. Automation is essential if industrial companies are to be competitive in the future. In assembly, an integrated and flexible approach is needed because 75% of the applications are produced in small and medium batches. The methodologies developed in this book deal with the integration of the assembly process from the initial design of the product to its production. In such an integrated system, assembly planning is one of the most important features. A well-chosen assembly plan will reduce both the number of tool changes and the fixtures within the assembly cell. It will prevent the handling of unstable subassemblies, simplify the design of the robot grippers and reduce production costs. An automatic generator of assembly sequences can be an efficient aid to the designer. Whenever he or she modifies features of the product, the influence of these modifications can immediately be checked on the sequences. For small batch production, the automatic generation of assembly sequences is faster, more reliable and more cost-effective than manual generation. By using this latter method interesting sequences could be missed because of the combinatorial explosion of solutions. The main subjects treated in this book are as follows. 1. Presentation and classification of existing systems of automatic generation of assembly sequences. Automatic assembly planning is, indeed, a very recent research area and, in my experience, no systematic study has been carried out up to now.
Author :
Publisher :
ISBN 13 :
Total Pages : 572 pages
Book Rating : 4.F/5 ( download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1999 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Shengzhao Long
Publisher : Springer Nature
ISBN 13 : 9811569789
Total Pages : 1040 pages
Book Rating : 4.8/5 (115 download)
Download or read book Man-Machine-Environment System Engineering written by Shengzhao Long and published by Springer Nature. This book was released on 2020-09-28 with total page 1040 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents selected papers introducing readers to the key research topics and latest development trends in the theory and application of MMESE. The advanced integrated research topic man-machine-environment system engineering (MMESE) was first established in China by Professor Shengzhao Long in 1981, with direct support from one of the greatest modern Chinese scientists, Xuesen Qian. In a letter to Shengzhao Long from October 22nd, 1993, Xuesen Qian wrote: “You have created a very important modern science and technology in China!” MMESE primarily focuses on the relationship between man, machine and environment, studying the optimum combination of man-machine-environment systems, where “man” refers to people in the workplace (e.g., operators, decision-makers), “machine” is the general name for any object controlled by man (including tools, machinery, computers, systems and technologies), and “environment” describes the specific working conditions under which man and machine interact (e.g., temperature, noise, vibration and hazardous gases). The three goals of optimizing such systems are ensuring safety, efficiency and economy. Presenting interdisciplinary studies on the concepts and methods in physiology, psychology, system engineering, computer science, environmental science, management, education and other related disciplines, this book is a valuable resource for all researchers and professionals whose work involves MMESE subjects.
Author : Romeo Marin Marian
Publisher :
ISBN 13 :
Total Pages : 606 pages
Book Rating : 4.:/5 (224 download)
Download or read book Optimisation of Assembly Sequences Using Genetic Algorithms written by Romeo Marin Marian and published by . This book was released on 2003 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt: Assembly Sequence Planning (ASP) is part of Assembly Planning. The assembly sequence is the most important part of an assembly plan. Assembly has an important share in both lead time and cost of a product. Therefore, its optimisation is necessary to ensure the competitivity of manufactured goods. The aim of this thesis is the optimisation of assembly sequences for mechanical products, for real/realistic problems and constraints. This thesis represents an integrated approach in assembly sequence planning and optimisation. It tackles real problems by building the generality in the models.
Author : Management Association, Information Resources
Publisher : IGI Global
ISBN 13 : 1466619465
Total Pages : 2090 pages
Book Rating : 4.4/5 (666 download)
Download or read book Industrial Engineering: Concepts, Methodologies, Tools, and Applications written by Management Association, Information Resources and published by IGI Global. This book was released on 2012-08-31 with total page 2090 pages. Available in PDF, EPUB and Kindle. Book excerpt: Industrial engineering affects all levels of society, with innovations in manufacturing and other forms of engineering oftentimes spawning cultural or educational shifts along with new technologies. Industrial Engineering: Concepts, Methodologies, Tools, and Applications serves as a vital compendium of research, detailing the latest research, theories, and case studies on industrial engineering. Bringing together contributions from authors around the world, this three-volume collection represents the most sophisticated research and developments from the field of industrial engineering and will prove a valuable resource for researchers, academics, and practitioners alike.
Author : Wensong Hu
Publisher : Springer Science & Business Media
ISBN 13 : 3642216978
Total Pages : 1015 pages
Book Rating : 4.6/5 (422 download)
Download or read book Electronics and Signal Processing written by Wensong Hu and published by Springer Science & Business Media. This book was released on 2011-06-21 with total page 1015 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume includes extended and revised versions of a set of selected papers from the International Conference on Electric and Electronics (EEIC 2011) , held on June 20-22 , 2011, which is jointly organized by Nanchang University, Springer, and IEEE IAS Nanchang Chapter. The objective of EEIC 2011 Volume 1 is to provide a major interdisciplinary forum for the presentation of new approaches from Electronics and Signal Processing, to foster integration of the latest developments in scientific research. 133 related topic papers were selected into this volume. All the papers were reviewed by 2 program committee members and selected by the volume editor Prof. Wensong Hu. We hope every participant can have a good opportunity to exchange their research ideas and results and to discuss the state of the art in the areas of the Electronics and Signal Processing.
Author : M. Ani Hsieh
Publisher : Springer
ISBN 13 : 3319237780
Total Pages : 913 pages
Book Rating : 4.3/5 (192 download)
Download or read book Experimental Robotics written by M. Ani Hsieh and published by Springer. This book was released on 2015-11-21 with total page 913 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Symposium on Experimental Robotics (ISER) is a series of bi-annual meetings which are organized in a rotating fashion around North America, Europe and Asia/Oceania. The goal of ISER is to provide a forum for research in robotics that focuses on novelty of theoretical contributions validated by experimental results. The meetings are conceived to bring together, in a small group setting, researchers from around the world who are in the forefront of experimental robotics research. This unique reference presents the latest advances across the various fields of robotics, with ideas that are not only conceived conceptually but also explored experimentally. It collects robotics contributions on the current developments and new directions in the field of experimental robotics, which are based on the papers presented at the 14th ISER held on June 15-18, 2014 in Marrakech and Essaouira, Morocco. This present fourteenth edition of Experimental Robotics edited by M. Ani Hsieh, Oussama Khatib, and Vijay Kumar offers a collection of a broad range of topics in field and human-ce ntered robotics.
Author : Kai Cheng
Publisher : John Wiley & Sons
ISBN 13 : 9781860584671
Total Pages : 638 pages
Book Rating : 4.5/5 (846 download)
Download or read book Advances in E-Engineering and Digital Enterprise Technology written by Kai Cheng and published by John Wiley & Sons. This book was released on 2004-10-15 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt: e-Engineering and digital enterprise technology are becoming the catalysts and prime enablers for the most radical changes in industry since the industrial revolution. Advances in e-Engineering and Digital Enterprise Technology includes international papers from experts and practitioners in industry and academia providing an information exchange on all aspects of engineering and management. Providing significant contributions from practitioners , researchers, educators, and end-users, the reader will find information on the latest innovations and techniques, including, e-Engineering systems e-supply chains and e-logistics Web based CAD/CAM/CAPP Virtual and collaborative engineering Web based modelling and simulations Mass customization and customer driven engineering Tele-operation and tele-robotics. On-line education and industrial training Vital reading for leading-edge system developers, researchers, innovators, and early adopters within industry, government, and academia who are in search of excellence.
Author :
Publisher :
ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (684 download)
Download or read book Constraint-based Interactive Assembly Planning written by and published by . This book was released on 1997 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: The constraints on assembly plans vary depending on the product, assembly facility, assembly volume, and many other factors. This paper describes the principles and implementation of a framework that supports a wide variety of user-specified constraints for interactive assembly planning. Constraints from many sources can be expressed on a sequencing level, specifying orders and conditions on part mating operations in a number of ways. All constraints are implemented as filters that either accept or reject assembly operations proposed by the planner. For efficiency, some constraints are supplemented with special-purpose modifications to the planner's algorithms. Replanning is fast enough to enable a natural plan-view-constrain-replan cycle that aids in constraint discovery and documentation. We describe an implementation of the framework in a computer-aided assembly planning system and experiments applying the system to several complex assemblies. 12 refs., 2 figs., 3 tabs.
Author : Srichand Hinduja
Publisher : Springer Science & Business Media
ISBN 13 : 1846289882
Total Pages : 391 pages
Book Rating : 4.8/5 (462 download)
Download or read book Proceedings of the 35th International MATADOR Conference written by Srichand Hinduja and published by Springer Science & Business Media. This book was released on 2007-06-30 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented here are 88 refereed papers given at the 35th MATADOR Conference held at the National University of Taiwan in Taipei, Taiwan in July 2007. The MATADOR series of conferences covers the topics of Manufacturing Automation and Systems Technology, Applications, Design, Organisation and Management, and Research. The proceedings of this conference contains original papers contributed by researchers from many countries on different continents. The papers cover the principles, techniques and applications associated with: manufacturing processes; technology; system design and integration; and computer applications and management. The papers in this volume reflect: • the importance of manufacturing in international wealth creation; • the emerging fields of micro- and nano-manufacture; • the increasing trend towards the fabrication of parts using additive processes; • the growing demand for precision engineering and part inspection techniques; • measurement techniques and equipment.
Author : Howie Choset
Publisher : MIT Press
ISBN 13 : 9780262033275
Total Pages : 642 pages
Book Rating : 4.0/5 (332 download)
Download or read book Principles of Robot Motion written by Howie Choset and published by MIT Press. This book was released on 2005-05-20 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt: A text that makes the mathematical underpinnings of robot motion accessible and relates low-level details of implementation to high-level algorithmic concepts. Robot motion planning has become a major focus of robotics. Research findings can be applied not only to robotics but to planning routes on circuit boards, directing digital actors in computer graphics, robot-assisted surgery and medicine, and in novel areas such as drug design and protein folding. This text reflects the great advances that have taken place in the last ten years, including sensor-based planning, probabalistic planning, localization and mapping, and motion planning for dynamic and nonholonomic systems. Its presentation makes the mathematical underpinnings of robot motion accessible to students of computer science and engineering, rleating low-level implementation details to high-level algorithmic concepts.
Author : Liming Dai
Publisher : Springer Nature
ISBN 13 : 3030827194
Total Pages : 676 pages
Book Rating : 4.0/5 (38 download)
Download or read book Nonlinear Approaches in Engineering Application written by Liming Dai and published by Springer Nature. This book was released on 2022-04-27 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nonlinear Approaches in Engineering Applications: Design Engineering Problems examines the latest applications of nonlinear approaches in engineering and addresses a range of scientific problems. Chapters are authored by world-class scientists and researchers and focus on the application of nonlinear approaches in different disciplines of engineering and scientific applications, with a strong emphasis on application, physical meaning, and methodologies of the approaches. Topics covered are of high interest in engineering and physics, and an attempt has been made to expose engineers and researchers to a broad range of practical topics and approaches. This book is appropriate for researchers, students, and practicing engineers who are interested in the applications of engineering, physics, and mathematics in nonlinear approaches to solving engineering and science problems.
