Angewandte Regelung und Optimierung in der ... - uni-stuttgart
Angewandte Regelung und Optimierung in der ... - uni-stuttgart
Angewandte Regelung und Optimierung in der ... - uni-stuttgart
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Network Simplification<br />
Steps of the simplification algorithm<br />
• The algorithms consists of two parts<br />
• Pre-process<strong>in</strong>g<br />
• Substitute valves that are always open<br />
• Remove valves that are always closed<br />
• Remove dead-end pipes<br />
• Remove short pipes<br />
• Comb<strong>in</strong>e pipes <strong>in</strong> series / <strong>in</strong> parallel connected to nodes<br />
without demand to <strong>uni</strong>que pipe<br />
• Gauss-Jordan Simplification<br />
• Determ<strong>in</strong>e nonl<strong>in</strong>ear model<br />
• L<strong>in</strong>earize nonl<strong>in</strong>ear model<br />
• Reduce l<strong>in</strong>earized model us<strong>in</strong>g Gauss-Jordan<br />
• Convert back to nonl<strong>in</strong>ear model<br />
© ABB Group<br />
June 28, 2010 | Slide 52