Algorithmic Methods and Software Tools for the Generation of Mechanical Assembly Sequences PDF Download
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Author: Daniel Flanagan Baldwin
Publisher:
ISBN:
Category : Assembly-line methods
Languages : en
Pages : 356
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Book Description
Author: Daniel Flanagan Baldwin
Publisher:
ISBN:
Category : Assembly-line methods
Languages : en
Pages : 356
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Book Description
Author: Luis S. Homem de Mello
Publisher: Springer Science & Business Media
ISBN: 1461540380
Category : Technology & Engineering
Languages : en
Pages : 448
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Book Description
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: Cornelius T. Leondes
Publisher: Elsevier
ISBN: 0080535283
Category : Computers
Languages : en
Pages : 1554
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Book Description
The design of knowledge systems is finding myriad applications from corporate databases to general decision support in areas as diverse as engineering, manufacturing and other industrial processes, medicine, business, and economics. In engineering, for example, knowledge bases can be utilized for reliable electric power system operation. In medicine they support complex diagnoses, while in business they inform the process of strategic planning. Programmed securities trading and the defeat of chess champion Kasparov by IBM's Big Blue are two familiar examples of dedicated knowledge bases in combination with an expert system for decision-making. With volumes covering "Implementation," "Optimization," "Computer Techniques," and "Systems and Applications," this comprehensive set constitutes a unique reference source for students, practitioners, and researchers in computer science, engineering, and the broad range of applications areas for knowledge-based systems.
Author: Luiz S. Homem de Mello
Publisher:
ISBN:
Category : Algorithms
Languages : en
Pages : 43
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Book Description
This paper presents an algorithm for the generation of mechanical assembly sequences and a proof of its correctness and completeness. The algorithm employs a relational model of assemblies. In addition to the geometry of the assembly, this model includes a representation of the attachments that bind one part to another. The problem of generating the assembly sequences is transformed into the problem of generating disassembly sequences in which the disassembly tasks are the inverse of feasible assembly tasks. This transformation leads to a decomposition approach in which the problem of dissassembling one assembly is decomposed into distinct subproblems, each being to disassemble one subassembly. It is assumed that exactly two parts or subassemblies are joined at each time, and that whenever parts are joined forming a subassembly, all contacts between the parts in the subassembly are established. Mechanical assembly sequences, Disassembly sequences. (jes).
Author: Wen Hu
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: George Zobrist
Publisher: CRC Press
ISBN: 9789056996659
Category : Technology & Engineering
Languages : en
Pages : 466
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Book Description
Intelligent Systems and Robotics focuses on new developments in robotics and intelligent systems and provides insight, guidance and specific techniques vital to those concerned with the design and implementation of robotics and intelligent system applications. Intelligent Systems and Robotics presents information on a 3-D vision for robots and intelligent control of a vision-based reasoning system with a robot manipulator. The reader will find authoritative presentations on autonomous land vehicle navigation, manipulator reachable workspace problems and the formulation of algorithms for their solution. Covered are methods for medical applications utilizing expert adaptive control, the integrated piezoelectric sensor/actuator design for distributed identification and control of smart machines, including theory, experiments, finite element formulation and analysis. Automatic repair of aircraft transparencies and geometric modeling utilized in robot task planning as well as the evaluation of standard fieldbus networks utilized in the factory environment are presented.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
A mechanical assembly is a composition of parts interconnected to form a stable unit. The mechanical assembly sequence problem is to find a feasible, cost-effective sequence of tasks to perform the assembly. This problem has recently been recognised as significant by the manufacturing industries, since this plan will help mechanical designers to analyse the assembly tasks off-line and justify the cost involved in the process. Homen de Mello and Sanderson proposed the AND/OR graph notation to represent all feasible assembly sequences for a given assembly in one graph and also provide an algorithm to generate the AND/OR graph. Recently, object-oriented approach to software design becomes popular in the computer science community, mainly because of its advantages over the functional approach towards softwar reuse and maintenance. The object-oriented approach asserts that enhancement and adaptation of the software to the environment are easier to do, compared to the functional approach. In thesis, we have usedthe object-oriented approach to redesign the AND/OR graph generation algorithm for assembly sequence generation. This approach inherits the advantages of the object-oriented paradigm. The main contributions of this thesis are the following: (1) An object-oriented version of the assembly sequence algorithm to generate AND/OR graph notation is given. (2) This version eliminates some of the redundant steps in the functional algorithm. (3) The object-oriented design described in this thesis is easy-to-understand, easy-to-enhance and inherits the advantages of the object-oriented paradigm. (4) A formal model of the object-oriented design is also included in the thesis.
Author: Cornelius T. Leondes
Publisher: World Scientific
ISBN: 9812389822
Category : Technology & Engineering
Languages : en
Pages : 254
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Book Description
This is an invaluable five-volume reference on the very broad and highly significant subject of computer aided and integrated manufacturing systems. It is a set of distinctly titled and well-harmonized volumes by leading experts on the international scene.The techniques and technologies used in computer aided and integrated manufacturing systems have produced, and will no doubt continue to produce, major annual improvements in productivity, which is defined as the goods and services produced from each hour of work. This publication deals particularly with more effective utilization of labor and capital, especially information technology systems. Together the five volumes treat comprehensively the major techniques and technologies that are involved.
Author: Cornelius T. Leondes
Publisher: World Scientific
ISBN: 9812796789
Category : Computers
Languages : en
Pages : 254
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Book Description
This is an invaluable five-volume reference on the very broad and highly significant subject of computer aided and integrated manufacturing systems. It is a set of distinctly titled and well-harmonized volumes by leading experts on the international scene. The techniques and technologies used in computer aided and integrated manufacturing systems have produced, and will no doubt continue to produce, major annual improvements in productivity, which is defined as the goods and services produced from each hour of work. This publication deals particularly with more effective utilization of labor and capital, especially information technology systems. Together the five volumes treat comprehensively the major techniques and technologies that are involved. Contents: .: Neural Networks Techniques for the Optical Inspection of Machined Parts (N Guglielmi et al.); Computer Techniques and Applications of Automated Process Planning in Manufacturing Systems (K A Aldakhilallah & R Ramesh); Internet-Based Manufacturing Systems: Techniques and Applications (H Lau); and other articles. Readership: Graduate students, academics, researchers, and industrialists in computer engineering, industrial engineering, mechanical engineering, systems engineering, artificial intelligence and operations management
Author: Jean-Claude Latombe
Publisher: Springer Science & Business Media
ISBN: 1461540224
Category : Technology & Engineering
Languages : en
Pages : 668
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Book Description
One of the ultimate goals in Robotics is to create autonomous robots. Such robots will accept high-level descriptions of tasks and will execute them without further human intervention. The input descriptions will specify what the user wants done rather than how to do it. The robots will be any kind of versatile mechanical device equipped with actuators and sensors under the control of a computing system. Making progress toward autonomous robots is of major practical inter est in a wide variety of application domains including manufacturing, construction, waste management, space exploration, undersea work, as sistance for the disabled, and medical surgery. It is also of great technical interest, especially for Computer Science, because it raises challenging and rich computational issues from which new concepts of broad useful ness are likely to emerge. Developing the technologies necessary for autonomous robots is a formidable undertaking with deep interweaved ramifications in auto mated reasoning, perception and control. It raises many important prob lems. One of them - motion planning - is the central theme of this book. It can be loosely stated as follows: How can a robot decide what motions to perform in order to achieve goal arrangements of physical objects? This capability is eminently necessary since, by definition, a robot accomplishes tasks by moving in the real world. The minimum one would expect from an autonomous robot is the ability to plan its x Preface own motions.
