Urban water supply management through fuzzy programming
As fresh water resources are limited and population in urban areas is growing rapidly today, urban water supply management is needed in order to meet the increasing water demands as well as to reduce the water wastage. Generally, a water supply system consists of four componen...
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| Format: | Final Year Project |
| Language: | English |
| Published: |
2014
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10356/61124 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | As fresh water resources are limited and population in urban areas is growing rapidly
today, urban water supply management is needed in order to meet the increasing water
demands as well as to reduce the water wastage. Generally, a water supply system
consists of four components, which are water resources, treatments, reservoirs and
consuming zones. The related parameters to these components like leakage rate, transfer
cost, etc. are usually under uncertainty due to incomprehensive information. To
optimize a water supply system, triangular fuzzy chance-constrained programming is
applied in this study , and the case of Hamedan City in Iran is selected for domostration.
The parameters with uncertainty are expressed as triangular-shaped fuzzy numbers.
With an objective of minimizing the system cost and several chance constraints, the
whole simulation is conducted at several confidence levels with the help of linear
programming software. Results show that triangular fuzzy chance-constrained
programming is able to generate reasonable solutions at a higher confidence level. |
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