降雨流出解析法による下水道雨水ポンプ制御支援システムの実用化技術

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  • Development of Pump Control Supporting System of Sewerage Pump Station Using Rainfall Runoff Models
  • コウウ リュウシュツ カイセキホウ ニ ヨル ゲスイドウ ウスイ ポンプ セイギョ シエン システム ノ ジツヨウカ ギジュツ

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With the rapid urbanization, floods have occurred in recent years because impervious surface areas have been increased. The stormwater does not infiltrate into the ground, so that the amount of stormwater exceeds the sewers capacity. In order to establish the efficient operations for the sewerage pumping facilities against flood, Rainfall Information Management Systems (RIMS) have been developed and installed into the actual wide-area sewerage system. One of main functions of RIMS is Pumping Operation Support System (POSS) including many mathematical models such as a runoff prediction model.<br>In this paper, a detail description of RIMS and POSS are given. The evaluation results of the performance of POSS are shown not only at off-line phase but also at on-line phase. Good results have been obtained over a year. This system is the first in the world as the on-line pumping operation support system applied to the regional sewerage and will be ranked as a big step to the real time control.

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