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Greedy Algorithms for Sensor Location in Sewer Systems

Department of Civil and Environmental Engineering, Shahjalal University of Science and Technology, Sylhet 3114, Bangladesh
IHE-Delft, P.O. Box 3015, 2601 DA Delft, The Netherlands
Department of Civil and Mechanical Engineering, University of Cassino and Southern Lazio, 03043 Cassino, Italy
Author to whom correspondence should be addressed.
Water 2017, 9(11), 856;
Received: 4 September 2017 / Revised: 26 October 2017 / Accepted: 31 October 2017 / Published: 4 November 2017
Wastewater quality monitoring is receiving growing interest with the necessity of developing new strategies for controlling accidental and intentional illicit intrusions. In designing a monitoring network, a crucial aspect is represented by the sensors’ location. In this study, a methodology for the optimal placement of wastewater monitoring sensors in sewer systems is presented. The sensor location is formulated as an optimization problem solved using greedy algorithms (GRs). The Storm Water Management Model (SWMM) was used to perform hydraulic and water-quality simulations. Six different procedures characterized by different fitness functions are presented and compared. The performances of the procedures are tested on a real sewer system, demonstrating the suitability of GRs for the sensor-placement problem. The results show a robustness of the methodology with respect to the detection concentration parameter, and they suggest that procedures with multiple objectives into a single fitness function give better results. A further comparison is performed using previously developed multi-objective procedures with multiple fitness functions solved using a genetic algorithm (GA), indicating better performances of the GR. The existing monitoring network, realized without the application of any sensor design, is always suboptimal. View Full-Text
Keywords: sewer system; sensor location; greedy algorithm; optimization; illicit intrusion sewer system; sensor location; greedy algorithm; optimization; illicit intrusion
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MDPI and ACS Style

Banik, B.K.; Alfonso, L.; Di Cristo, C.; Leopardi, A. Greedy Algorithms for Sensor Location in Sewer Systems. Water 2017, 9, 856.

AMA Style

Banik BK, Alfonso L, Di Cristo C, Leopardi A. Greedy Algorithms for Sensor Location in Sewer Systems. Water. 2017; 9(11):856.

Chicago/Turabian Style

Banik, Bijit K., Leonardo Alfonso, Cristiana Di Cristo, and Angelo Leopardi. 2017. "Greedy Algorithms for Sensor Location in Sewer Systems" Water 9, no. 11: 856.

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