Japan Society of Civil Engineers 2019 Annual Meeting

Presentation information

第VI部門

アセットマネジメント (3)

Thu. Sep 5, 2019 4:10 PM - 5:40 PM VI-2 (幸町北8号館 812講義室)

座長:堀 倫裕(大成建設)

[VI-835] A note on optimal cleaning strategy for pumping wells in water resource using stochastic control theory

*兼清 泰明1、楠見 晴重1、久保 潤平 (1. 関西大学 環境都市工学部 都市システム工学科)

Keywords:pumping well in water resource, cleaning, maintenance, stochastic control, optimization

First, a probabilistic model describing random deterioration of a health index of pumping wells in water resource is newly proposed, in which the health index represents ability of water intake amount for pumping wells. Next, an optimal cleaning strategy is formulated so that expected total cost is minimized. Then, the well-known stochastic control theory is applied to derive a variational equation for the optimal cleaning strategy. Finally, through numerical calculations, the optimal maintenance plan with cleaning efforts is quantitatively discussed.

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