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    Evaluating the Robustness of Water Quality Sensor Placement Strategies of Water Distribution Systems Considering Possible Sensor Failures and System Changes

    Source: Journal of Water Resources Planning and Management:;2022:;Volume ( 148 ):;issue: 010::page 04022050
    Author:
    Zixuan Zheng
    ,
    Feifei Zheng
    ,
    Weiwei Bi
    ,
    Jiawen Du
    ,
    Huan-Feng Duan
    ,
    Dragan Savic
    ,
    Zoran Kapelan
    DOI: 10.1061/(ASCE)WR.1943-5452.0001596
    Publisher: ASCE
    Abstract: An early contamination warning system with deployed water quality sensors is often used to enhance the safety of a water distribution system (WDS). While algorithms have been developed to select an optimal water quality sensor placement strategy (WQSPS) for WDSs, many of them do not account for the influences caused by future uncertainties, such as sensor failures and system changes (e.g., demand variations and configuration/expansion changes in the WDS). To this end, this paper proposes a comprehensive framework to evaluate the robustness of WQSPSs to these possible uncertainties. This is achieved by considering five different performance objectives of WQSPSs as well as possible future demand and typology variations of WDSs under a wide range of sensor failure scenarios. More specifically, an optimization problem is formulated to evaluate the robustness of the WQSPSs, in which an evolutionary-based optimization approach coupled with an efficient data-archive method is used to solve this optimization problem. The framework is demonstrated on two real-world WDSs in China. The results show that: (1) the WQSPS’s robustness can be highly dependent on the performance objectives considered, implying that an appropriate objective needs to be carefully selected for each case driven by practical needs, (2) the WDS’s demand and configuration changes can have a significant influence on the WQSPS’s robustness, in which the solution with more sensors in or close to the affected area is likely to better cope with these system changes, and (3) the proposed framework enables critical sensors to be identified, which can then be targeted for prioritizing maintenance actions.
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      Evaluating the Robustness of Water Quality Sensor Placement Strategies of Water Distribution Systems Considering Possible Sensor Failures and System Changes

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4289430
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    • Journal of Water Resources Planning and Management

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    contributor authorZixuan Zheng
    contributor authorFeifei Zheng
    contributor authorWeiwei Bi
    contributor authorJiawen Du
    contributor authorHuan-Feng Duan
    contributor authorDragan Savic
    contributor authorZoran Kapelan
    date accessioned2023-04-07T00:37:54Z
    date available2023-04-07T00:37:54Z
    date issued2022/10/01
    identifier other%28ASCE%29WR.1943-5452.0001596.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4289430
    description abstractAn early contamination warning system with deployed water quality sensors is often used to enhance the safety of a water distribution system (WDS). While algorithms have been developed to select an optimal water quality sensor placement strategy (WQSPS) for WDSs, many of them do not account for the influences caused by future uncertainties, such as sensor failures and system changes (e.g., demand variations and configuration/expansion changes in the WDS). To this end, this paper proposes a comprehensive framework to evaluate the robustness of WQSPSs to these possible uncertainties. This is achieved by considering five different performance objectives of WQSPSs as well as possible future demand and typology variations of WDSs under a wide range of sensor failure scenarios. More specifically, an optimization problem is formulated to evaluate the robustness of the WQSPSs, in which an evolutionary-based optimization approach coupled with an efficient data-archive method is used to solve this optimization problem. The framework is demonstrated on two real-world WDSs in China. The results show that: (1) the WQSPS’s robustness can be highly dependent on the performance objectives considered, implying that an appropriate objective needs to be carefully selected for each case driven by practical needs, (2) the WDS’s demand and configuration changes can have a significant influence on the WQSPS’s robustness, in which the solution with more sensors in or close to the affected area is likely to better cope with these system changes, and (3) the proposed framework enables critical sensors to be identified, which can then be targeted for prioritizing maintenance actions.
    publisherASCE
    titleEvaluating the Robustness of Water Quality Sensor Placement Strategies of Water Distribution Systems Considering Possible Sensor Failures and System Changes
    typeJournal Article
    journal volume148
    journal issue10
    journal titleJournal of Water Resources Planning and Management
    identifier doi10.1061/(ASCE)WR.1943-5452.0001596
    journal fristpage04022050
    journal lastpage04022050_14
    page14
    treeJournal of Water Resources Planning and Management:;2022:;Volume ( 148 ):;issue: 010
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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