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Preface | xi | |
1. | Brief Introduction to Evolutionary Algorithms | 1 |
1. | From Biology to Software | 1 |
2. | Basic Evolutionary Algorithm | 4 |
3. | Further Aspects | 7 |
3.1 | Representation | 7 |
3.2 | Parallelization | 8 |
3.3 | Runtime Comparisons | 10 |
Part I | Enabling Continuous Adaptation | |
2. | Optimization in Dynamic Environments | 13 |
1. | Categorization of Dynamic Environments | 14 |
2. | Suitable Benchmark Problems | 17 |
2.1 | Dynamic Bit-Matching | 17 |
2.2 | Moving Parabola | 18 |
2.3 | Time-Varying Knapsack Problem | 19 |
2.4 | Moving Peaks Function | 20 |
2.5 | Scheduling Problems | 24 |
2.6 | Oscillating Peaks | 25 |
3. | Measuring Performance | 26 |
4. | Detecting Changes in the Environment | 28 |
3. | Survey: State of The Art | 31 |
1. | Restart / Re-Initialization | 31 |
2. | Adapting Mutation | 34 |
3. | Implicit or Explicit Memory | 38 |
4. | Modifying Selection | 42 |
5. | Multi-Population Approaches | 44 |
5.1 | Self-Organizing Scouts | 44 |
5.2 | Shifting Balance GA | 45 |
5.3 | Multinational GA | 45 |
6. | Other Approaches | 46 |
6.1 | Immune Systems | 46 |
6.2 | Parallel EA Variants | 46 |
6.3 | Evolving Control Rules | 46 |
6.4 | Modeling the System | 47 |
6.5 | Stochastic Genetic Algorithm | 47 |
6.6 | Clan-based Evolution | 48 |
6.7 | Dual and Folding Genetic Algorithm | 48 |
7. | Further Aspects | 49 |
7.1 | Steady-State or Generational Replacement? | 49 |
7.2 | Darwinian vs. Lamarckian Learning | 50 |
7.3 | Parameter Settings | 51 |
7.4 | Other Related Work | 51 |
4. | From Memory to Self-Organization | 53 |
1. | Memory/Search | 54 |
1.1 | General Thoughts about Memory | 54 |
1.2 | The Best of Two Worlds | 56 |
2. | Self-Organizing Scouts | 58 |
5. | Empirical Evaluation | 67 |
1. | General Remarks on the Experimental Setup | 67 |
2. | Default Parameter Settings | 69 |
3. | Oscillating Peaks Function | 71 |
3.1 | Standard Test Case | 72 |
3.2 | The Influence of Change Frequency | 76 |
3.3 | Non-vanishing Peaks | 78 |
4. | Moving Peaks Function | 81 |
4.1 | Sensitivity of Parameter Settings | 81 |
4.2 | The Effect of Peaks Movements | 86 |
4.3 | Changing the Number of Peaks | 90 |
4.4 | The Influence of Change Frequency | 94 |
4.5 | Higher Dimensionality | 96 |
4.6 | Correlation of Shifts | 97 |
6. | Summary of Part 1 | 99 |
Part II | Considering Adaptation Cost | |
7. | Adaptation Cost Vs. Solution Quality | 105 |
1. | Introduction to Multi-Objective EAs | 106 |
2. | Related Work | 109 |
3. | Guided Multi Objective Evolutionary Algorithm | 111 |
4. | Experimental Results | 114 |
5. | Summary of Chapter 7 | 121 |
Part III | Robustness and Flexibility--Precaution against Changes | |
8. | Searching for Robust Solutions | 125 |
1. | Motivation | 125 |
2. | Related Work | 128 |
3. | Test Problems | 132 |
4. | Experimental Setup and Default Parameters | 136 |
5. | How to select the final solution? | 138 |
6. | Influence of Several EA Parameters | 141 |
6.1 | The Number of Samples Throughout the Run | 141 |
6.2 | Allowed Running Time | 142 |
6.3 | Selection Pressure | 143 |
6.4 | Steady State vs. Generational Reproduction | 144 |
6.5 | Population Size | 147 |
6.6 | The Island Model | 153 |
6.7 | Selection Method | 154 |
7. | Evaluating Good Individuals More Often | 156 |
8. | Minimizing the Estimation Error | 158 |
9. | Better Sampling Methods | 160 |
10. | Changing the Sample Size | 163 |
11. | Looking at Other Individuals in the Neighborhood | 167 |
12. | Summary of Chapter 8 | 169 |
9. | From Robustness to Flexibility | 173 |
1. | Related Work | 174 |
2. | Dynamic Job Shop Scheduling | 175 |
2.1 | Decomposing Dynamic JSSPs | 175 |
2.2 | The Role of Schedule Builders | 176 |
3. | A Flexibility Measure for Dynamic Stochastic JSSPs | 178 |
4. | Empirical Evaluation | 180 |
5. | Summary of Chapter 9 | 183 |
10. | Summary and Outlook | 185 |
References | 191 | |
Index | 207 |
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Add Evolutionary Optimization in Dynamic Environments, Evolutionary Algorithms (EAs) have grown into a mature field of research in optimization, and have proven to be effective and robust problem solvers for a broad range of static real-world optimization problems. Yet, since they are based on the principles , Evolutionary Optimization in Dynamic Environments to the inventory that you are selling on WonderClubX
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Add Evolutionary Optimization in Dynamic Environments, Evolutionary Algorithms (EAs) have grown into a mature field of research in optimization, and have proven to be effective and robust problem solvers for a broad range of static real-world optimization problems. Yet, since they are based on the principles , Evolutionary Optimization in Dynamic Environments to your collection on WonderClub |