design space pruning heuristics and global optimization method for ...
design space pruning heuristics and global optimization method for ...
design space pruning heuristics and global optimization method for ...
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2.5 Small Sample Problem...............................................................................54<br />
2.5.1 Evaluation of Pruning Techniques on the Sample Problem ..........58<br />
2.5.2 Evaluation of Global Optimization Methods on the Sample<br />
Problem..........................................................................................72<br />
III<br />
OVERVIEW OF METHODOLOGY....................................................................86<br />
3.1 Overview of Methodology.........................................................................86<br />
3.2 Assumptions <strong>and</strong> Scope .............................................................................91<br />
IV VALIDATION OF METHODOLOGY ................................................................94<br />
4.1 Intermediate Sample Problem....................................................................94<br />
4.2 Application of Methodology to Intermediate Problem..............................96<br />
4.2.1 Pruning Phase.................................................................................96<br />
4.2.2 Global Optimization Phase ............................................................99<br />
V<br />
APPLICATION OF METHODOLOGY TO LARGER PROBLEMS................105<br />
5.1 Modified GTOC3 Problem ......................................................................106<br />
5.2 GTOC2 Problem ......................................................................................117<br />
5.2.1 Modified GTOC2 Problem ..........................................................119<br />
5.2.2 Full GTOC2 Problem...................................................................127<br />
5.3 Sensitivity of Methodology to User-Defined Parameters........................134<br />
5.3.1 Pruning Phase Sensitivity to Selection of Leg Pruning<br />
Percentages ..................................................................................135<br />
5.3.2 Global Optimization Phase Sensitivity to Selection of<br />
Initial Lower Bound.....................................................................138<br />
VI CONCLUSIONS AND RECOMMENDATIONS ..............................................141<br />
6.1 Per<strong>for</strong>mance of Methodology ..................................................................141<br />
6.1.1 Pruning Phase...............................................................................141<br />
6.1.2 Global Optimization Phase ..........................................................145<br />
6.1.3 Overall Per<strong>for</strong>mance ....................................................................148<br />
vii