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Title:
DRAINAGE PUMP OPERATION SUPPORT DEVICE AND DRAINAGE PUMP CONTROL DEVICE
Document Type and Number:
Japanese Patent JP3906096
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To perform drainage pump operation realizing the curtailment of the amount of river discharge to the overflow discharge in rainy weather simultaneously with ensuring the safety of rainwater drainage.
SOLUTION: Under the condition that the measured value and the predicted value of the water level in a prescribed part in a sewer 2 do not exceed a specified value, as a constraint condition, an optimization problem including the total discharge of a drainage pump from the present time point to a prescribed time ahead, in an evaluation function is solved to compute the control quantity of the drainage pump such as the number of the operated drainage pumps 4, the discharge of the drainage pumps, and the like from the present time point to the prescribed time ahead and further to control the drainage pump.


Inventors:
Kyosuke Katayama
Akihiro Nagaiwa
Osamu Yamanaka
Norio Imai
Application Number:
JP2002041967A
Publication Date:
April 18, 2007
Filing Date:
February 19, 2002
Export Citation:
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Assignee:
Toshiba Corporation
International Classes:
E03F5/22; E03F1/00; F04B49/06; F04D15/00; (IPC1-7): E03F5/22; E03F1/00; F04B49/06; F04D15/00
Domestic Patent References:
JP2000328642A
JP11022650A
JP4297639A
JP2002045882A
Attorney, Agent or Firm:
Takehiko Suzue
Sadao Muramatsu
Ryo Hashimoto
Satoshi Kono
Makoto Nakamura
Shoji Kawai