ID:
publications-4250
Type:
article
Year:
2008
Authors:
Guan, Jiabao and Aral, Mustafa M. and Maslia, Morris L. and Maslia, Morris L. and Grayman, Walter M.
Title:
Optimization Model and Algorithms for Design of Water Sensor Placement in Water Distribution Systems
Venue/Journal:
DOI:
10.1061/40941(247)103
Research type:
Water System:
Technical Focus:
Abstract:
In this entry for the β€_x009c_Battle of the Water Sensor Networks (BWSN),β€_x009d_ the authors develop a closed-loop algorithmic process for the optimal design of water sensor placement in waterdistribution systems. The proposed solution, the simulation-optimization methodology, focuses on the relation between the input and output of the water-distribution system and not on the topological structure of the system. The proposed model is based on a single objective function approach as opposed to a multi-objective case. However, unlike conventional single objective models, the proposed objective function incorporates multiple factors such as time of detection, contaminated water volume, population affected, and reliability of the optimal systemβ€”in this sense it mimics a multi-objective approach. An improved genetic algorithm is proposed for the solution of the model. The algorithm works on a subset of the complete set of junctions present in the system (junction subdomain) and the final solution is obtained through the evolution of subdomains. The proposed algorithm is applied to two test networks submitted by the BWSN committee. The results indicate that the proposed model is effective in solving this problem.
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