| Assembly Line Design Problems | |
| Designing Assembly Lines | p. 3 |
| Introduction | p. 3 |
| Assembly Line Design | p. 3 |
| Designing or Optimising? | p. 5 |
| Layout of the Book | p. 6 |
| Design Approaches | p. 7 |
| Introduction | p. 7 |
| Why the Design is Difficult? | p. 8 |
| Design and Search Approaches | p. 8 |
| The Gap Between Theory and Practice | p. 8 |
| Input Data | p. 9 |
| Multiple Objective Problem | p. 9 |
| Variability | p. 9 |
| Scheduling | p. 9 |
| Layout | p. 10 |
| About the Quality of a Design | p. 10 |
| Assembly Line Design Evolution | p. 10 |
| Assembly Line: History and Formulation | p. 13 |
| Introduction | p. 13 |
| Evolution of Today's Manufacturing Issues | p. 13 |
| First Metals | p. 13 |
| Carpenters and Smiths | p. 13 |
| Cottage Industries | p. 14 |
| Factory System | p. 14 |
| Mass Production | p. 14 |
| Computers in Manufacturing | p. 15 |
| Assembly Line Systems | p. 15 |
| Notation and Definitions | p. 16 |
| Assembly Line Balancing Problems | p. 19 |
| Assembly Line Models | p. 19 |
| Variability of Tasks Process Time | p. 20 |
| Line Configuration | p. 21 |
| Additional Constraints | p. 23 |
| Assembly Line Design Problems | p. 25 |
| Why is the Balancing Problem Hard to Solve? | p. 27 |
| Evolutionary Combinatorial Optimisation | |
| Evolutionary Combinatorial Optimisation | p. 31 |
| Introduction | p. 31 |
| System Organisation | p. 31 |
| How Do Genetic Algorithms Work? | p. 32 |
| Representation | p. 33 |
| Initialisation of the Population | p. 34 |
| Sampling Mechanism | p. 35 |
| Genetic Operators | p. 36 |
| Landscapes and Fitness | p. 38 |
| Population | p. 38 |
| Simple...but it Works! | p. 38 |
| Multiple Objective Grouping Genetic Algorithm | p. 39 |
| Introduction | p. 39 |
| Multiple Objective Optimisation | p. 39 |
| The State of the Art | p. 40 |
| The Use of Aggregating Functions | p. 41 |
| Non-Pareto Approaches | p. 41 |
| Pareto-based Approaches | p. 42 |
| Preferences and Local Search Methods | p. 42 |
| Constrained Problems | p. 43 |
| Grouping Problems and the Grouping Genetic Algorithm | p. 44 |
| Encoding Scheme | p. 44 |
| Crossover Operator | p. 45 |
| Mutation Operator | p. 46 |
| Inversion Operator | p. 46 |
| Multiple Objective Grouping Genetic Algorithm | p. 46 |
| Control Strategy | p. 47 |
| Individual Construction Algorithm | p. 48 |
| Overall Architecture of the Evolutionary Method | p. 48 |
| Branching on Populations | p. 49 |
| The Detailed Example | p. 51 |
| Assembly Line Layout | |
| Equal Piles for Assembly Line Balancing | p. 59 |
| Introduction | p. 59 |
| The State of the Art | p. 59 |
| Exact Methods | p. 59 |
| Approximated Methods | p. 61 |
| Equal Piles for Assembly Line Balancing | p. 62 |
| Motivation and Inspiration From Nature | p. 63 |
| Input Data | p. 64 |
| Customising the Grouping Genetic Algorithm to the Equal Piles Assembly Line Problem | p. 64 |
| Experimental Results | p. 69 |
| Extension to Multi-product Assembly Line | p. 71 |
| Multiple Objective Problem | p. 71 |
| Overall Architecture | p. 72 |
| The Resource Planning for Assembly Line | p. 77 |
| Introduction | p. 77 |
| The State of the Art | p. 78 |
| Dealing with Real-world Hybrid Assembly Line Design | p. 79 |
| Cost | p. 79 |
| Process Time | p. 80 |
| Availability | p. 82 |
| Station Space | p. 83 |
| Incompatibilities Among Several Types of Equipment | p. 84 |
| Input Data | p. 84 |
| Overall Method | p. 85 |
| Distributing Tasks Among Stations | p. 85 |
| Selecting Equipment | p. 86 |
| Heuristics | p. 89 |
| Dealing with a Multi-product Assembly Line | p. 90 |
| Complying with Hard Constraints | p. 91 |
| Application of the Method | p. 92 |
| Balance for Operation | p. 93 |
| Introduction | p. 93 |
| Multi-product Assembly Line | p. 93 |
| The State of the Art | p. 94 |
| Classical Methods | p. 94 |
| Heuristics | p. 95 |
| Ordering Genetic Algorithm | p. 95 |
| Algorithm | p. 95 |
| Heuristics | p. 97 |
| Balance for Operation Concept | p. 99 |
| Non-fixed Number of Stations | p. 100 |
| Fixed Number of Stations | p. 102 |
| The Integrated Method | |
| Evolving to Integrate Logical and Physical Layout of Assembly Lines | p. 105 |
| Introduction | p. 105 |
| The State of the Art | p. 105 |
| Assembly Line Design | p. 106 |
| Integrated Approach | p. 106 |
| Development of the Interactive Method | p. 108 |
| Global Search Phase | p. 115 |
| Application | p. 116 |
| Concurrent Approach to Design Assembly Lines | p. 121 |
| Introduction | p. 121 |
| Concurrent Approach | p. 121 |
| Assembly Line Design | p. 122 |
| Data Preparation Phase | p. 123 |
| Optimisation Phase | p. 124 |
| Mapping Phase | p. 124 |
| Case Studies | p. 124 |
| Assembly Line Balancing Application: Outboard Motor | p. 125 |
| Resource Planning Application: Car Alternator | p. 128 |
| A Real-world Example Optimised by the OptiLine Software | p. 137 |
| Conclusions and Future Work | p. 145 |
| We Attained | p. 145 |
| Tendencies and Orientations | p. 145 |
| Data Collection | p. 146 |
| Model Formulation | p. 146 |
| Validation and Output Analysis | p. 146 |
| The Proposed Approach | p. 147 |
| References | p. 149 |
| Index | p. 159 |
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