Integrated And Collaborative Product Development Environment: Technologies And Implementations

by Li, W. D.

• ISBN13: 9789812566805
• ISBN10: 9812566805
• Edition: 1st
• Format: Hardcover
• Copyright: 2006-06-01
• Publisher: World Scientific Pub Co Inc

Summary

With the rapid advances in computing and Internet technologies, an integrated and collaborative environment, which is based on the complementary functions of concurrent engineering and Internet-based collaborative engineering, is imperative for companies to facilitate and expedite the product realization processes. Topics such as concurrent and collaborative engineering, feature-based design and manufacturing, evolutionary computational techniques such as Tabu Search, Simulated Annealing, Genetic Algorithms features, intelligent and computer-aided process planning are important strategies and enabling technologies for developing an integrative environment, facilitating modern product design and development. This book covers the state-of-the-art research and development status of these strategies and technologies. Implementation strategies and case studies are provided with an emphasis on technical details to help readers understand the underlying algorithms and infrastructures. Contents: Manufacturing Feature Recognition Technology - State-of-the-Art; A Hybrid Method for Interacting Manufacturing Feature Recognition; Integration of Design-by-Feature and Manufacturing Feature Recognition; Intelligent Optimization of Process Planning; Collaborative Computer-Aided Design - State-of-the-Art; Development of Web-Based Process Planning Optimization System; Distributed and Collaborative Design-by-Feature System. Key Features Provides comprehensive surveys in the integrative and collaborative product development Updates the most recent R&D work of the last decade in the relevant areas Contains highly analytical approaches and methodologies Comprehensively covers implementation strategies and case studies Detailed discussions and comparisons of various approaches, algorithms and techniques Readership: Mechanical and manufacturing engineering graduate students, researchers in the field of concurrent engineering, collaborative engineering and intelligent engineering. Engineers in charge of utilization, development of concurrent and collaborative software tools.

Table of Contents

Preface	vii
Abbreviation	xv
1. Introduction	1	(26)
1.1 Concurrent and Collaborative Engineering	1	(7)
1.2 Enabling Technologies	8	(17)
1.2.1 Artificial intelligence	9	(10)
1.2.1.1 Artificial neural network	9	(5)
1.2.1.2 Heuristic optimisation techniques	14	(5)
1.2.2 Internet technologies	19	(15)
1.2.2.1 Client/server architecture	19	(1)
1.2.2.2 Representations for documents and design models	20	(2)
1.2.2.3 Distributed enterprise system integration paradigms	22	(3)
1.3 Summary	25	(2)
2. Manufacturing Feature Recognition Technology – State-of-the-Art	27	(40)
2.1 Evolving Representations for Design Models	27	(7)
2.2 Boundary Feature Recognition Scheme	34	(17)
2.2.1 Rule-based approach	34	(3)
2.2.2 Graph-based approach	37	(5)
2.2.3 Hint-based approach	42	(4)
2.2.4 Artificial neural networks-based approach	46	(5)
2.3 Volumetric Feature Recognition Scheme	51	(6)
2.3.1 Convex hull approach	51	(2)
2.3.2 Volume growing/decomposition approach	53	(4)
2.4 Integration of Design-by-Feature and Feature Recognition	57	(4)
2.5 Summary	61	(6)
3. A Hybrid Method for Interacting Manufacturing Feature Recognition	67	(30)
3.1 Introduction	67	(3)
3.2 Enhanced Attributed Adjacency Graph	70	(3)
3.2.1 Pre-process for generating EAAG	70	(2)
3.2.2 Establishment of EAAG	72	(1)
3.3 Generation of Potential Features	73	(9)
3.3.1 Identifications of F-Loops and their relationships	73	(4)
3.3.2 Identifications of FLGs	77	(5)
3.4 Neural Networks Classifier	82	(5)
3.5 Computation Results	87	(7)
3.5.1 Results for feature recognition	87	(6)
3.5.2 Result comparisons	93	(1)
3.6 Summary	94	(3)
4. Integration of Design-by-Feature and Manufacturing Feature Recognition	97	(46)
4.1 Introduction	98	(1)
4.2 Features and Their Relationships	99	(5)
4.2.1 Feature models	99	(5)
4.2.2 Interacting relationships between features	104	(1)
4.3 Manufacturing Feature Recognition Processor	104	(26)
4.3.1 Recognition of initial manufacturing stock	112	(1)
4.3.2 Recognition of DF when it is additive	112	(11)
4.3.3 Recognition of DF when it is subtractive	123	(2)
4.3.4 Recognition of auxiliary and replicate features	125	(2)
4.3.5 Re-recognition of modified design model	127	(3)
4.4 Multiple Manufacturing Feature Interpretations	130	(9)
4.4.1 Properties of manufacturing feature tree	130	(2)
4.4.2 Generation of multiple interpretations	132	(4)
4.4.2.1 Combination	132	(2)
4.4.2.2 Decomposition	134	(1)
4.4.2.3 TAD-led operations	134	(2)
4.4.3 Optimal single interpretation of manufacturing features	136	(3)
4.5 Summary	139	(4)
5. Intelligent Optimisation of Process Planning	143	(54)
5.1 Intelligent Optimisation Strategies for CAPP Systems	143	(10)
5.2 Knowledge Representation for Process Plans	153	(9)
5.2.1 Process plan representation	153	(2)
5.2.2 Machining cost criteria for process plans	155	(3)
5.2.3 Precedence constraints	158	(4)
5.3 A Hybrid GA/SA-based Optimisation Method	162	(9)
5.3.1 Overview of the algorithm	162	(3)
5.3.2 Genetic algorithm – phase 1	165	(1)
5.3.3 Simulated annealing algorithm – phase 2	166	(2)
5.3.4 Constraint handling algorithm	168	(3)
5.4 Experimental Results	171	(24)
5.4.1 Sample parts	171	(9)
5.4.2 Computation results	180	(12)
5.4.2.1 Determination of parameters	180	(6)
5.4.2.2 Results under different conditions and criteria	186	(1)
5.4.2.3 Comparisons with single GA and SA approaches	187	(5)
5.4.3 Comparisons of constraint handling methods	192	(1)
5.4.4 Algorithm implementation	192	(3)
5.5 Summary	195	(2)
6. Collaborative Computer-Aided Design – State-of-the-Art	197	(50)
6.1 Introduction	197	(9)
6.2 Visualisation-based Collaborative Systems	206	(14)
6.2.1 3D representations for Web applications	207	(6)
6.2.2 System architectures and implementation strategies	213	(7)
6.3 Co-design Collaborative Systems	220	(15)
6.3.1 System architectures	221	(5)
6.3.2 Design coordination and team management	226	(7)
6.3.3 Optimised feature and assembly-based representations	233	(2)
6.4 Hierarchical Collaborative Systems	235	(8)
6.4.1 Multi-representation and conversion schemes for features	235	(1)
6.4.2 Integration mechanisms for distributed systems	236	(7)
6.5 Summary	243	(4)
7. Development of a Web-based Process Planning Optimisation System	247	(34)
7.1 Introduction	247	(5)
7.2 A Tabu Search-based Optimisation Method	252	(14)
7.2.1 Methodology for process planning Optimisation	252	(2)
7.2.2 Algorithm description	254	(5)
7.2.3 Determination of parameters	259	(3)
7.2.4 Comparison studies of TS, SA and GA	262	(4)
7.3 Infrastructure Design of the Web-based System	266	(5)
7.3.1 System architecture	266	(4)
7.3.2 An XML-based representation for design models	270	(1)
7.4 A Case Study	271	(6)
7.5 Summary	277	(4)
8. Distributed and Collaborative Design-by-Feature System	281	(32)
8.1 Introduction	281	(2)
8.2 Distributed Feature-based Representation and Manipulations	283	(14)
8.2.1 System framework	283	(1)
8.2.2 Distributed feature representations	284	(2)
8.2.3 Feature manipulations	286	(11)
8.3 Distributed and Collaboration Mechanisms	297	(12)
8.3.1 Communication mechanism for distributed design	297	(6)
8.3.2 Mechanism for collaborative design	303	(2)
8.3.3 A case study	305	(4)
8.4 Summary	309	(4)
Bibliography	313	(14)
Index	327