System and method for managing water in water pipe network

Patent metadata

Field	Value
Publication number	US-2016103452-A1
Application number	US-201514866708-A
Country	US
Kind code	A1
Filing date	Sep 25, 2015
Priority date	Oct 14, 2014
Publication date	Apr 14, 2016
Grant date	—

Abstract

A system for managing water in a water pipe network is disclosed. The system draws an optimal pump operation schedule and a result of hydraulic analysis, by performing an integrated simulation of hydraulic analysis and optimization based on the hydraulic analysis data for optimization calculation and demand amount data generated using an optimization setting parameter and history data.

First claim

What is claimed is:

1 . A system for managing water in a water pipe network, the system comprising:
a hydraulic analysis unit configured to output hydraulic analysis data with respect to links and nodes forming a pipeline network by performing a hydraulic analysis simulation using initial pipeline network hydraulic analysis data; a calibration unit configured to determine an optimal roughness coefficient by comparing a result of hydraulic analysis simulation using roughness coefficient data and demand amount data of a predetermined pipeline to error information based on an actual performance, and to generate hydraulic analysis data for optimization calculation by applying the optimal roughness coefficient; an optimization unit configured to draw an optimal pump operation schedule and a result of hydraulic analysis by performing an integrated simulation of hydraulic analysis and optimization based on the hydraulic analysis data for optimization calculation and demand amount data generated using an optimization setting parameter and history data, and to provide input data from which the optimal pump operation schedule and the result of hydraulic analysis are drawn as a parameter for optimization; and an operator terminal including a real-time operating unit configured to draw the optimal pump operation schedule and the result of hydraulic analysis by performing an integrated simulation of hydraulic analysis and optimization based on demand amount data generated using the parameter for optimization.

2 . The system of claim 1 , wherein the initial pipeline network hydraulic analysis data includes pipeline network facility data and pipeline network simulation condition data.

3 . The system of claim 2 , wherein the pipeline network facility data includes at least one of a junction, a tank, a pipe, a valve and a pump.

4 . The system of claim 2 , wherein the pipeline network simulation condition data includes at least one of pattern, energy, curve, option and time.

5 . The system of claim 1 , wherein the calibration unit performs a hydraulic analysis simulation of roughness coefficient of the predetermined pipeline according to a plurality of cases.

6 . The system of claim 1 , wherein the calibration unit selects a flow amount tag during a certain period of history data, and calculates demand amount data from the flow amount data.

7 . The system of claim 1 , wherein the optimization unit further draws a result of demand forecasting linked to a result of the optimal pump operation schedule.

8 . The system of claim 1 , wherein the optimization unit further draws hydraulic analysis with respect to a link and a node corresponding to the optimal pump operation schedule.

9 . The system of claim 8 , wherein the optimization unit draws hydraulic analysis data with respect to a link and a node in chronological order, draws hydraulic analysis data with respect to a link and a node in an order of pipeline networks, or draws hydraulic data with respect to a link and a node in a relevant network at a predetermined time.

10 . The system of claim 1 , the optimization unit refers to a user predetermined value as water level in tank and demand pattern.

11 . An operation method of an operating server for managing a water pipe network by receiving data from the operator terminal of the system of claim 1 , the operation method comprising:
receiving hydraulic analysis data with respect to links and nodes forming a pipeline network, hydraulic analysis data for optimization calculation, and data including system boundary setting value inputted by a user; searching an optimal solution with respect to control variables (pumps and valves) through an optimization algorithm calculation linked to hydraulic analysis; and drawing an optimal control value of a decision variable determined at a current time slot.

12 . The operation method of claim 11 , wherein the system boundary setting value is received via a SCADA (Supervisory Control and Data Acquisition) unit.

13 . The operation method of claim 11 , wherein the data further includes demand amount data by demand breakpoints.

14 . The operation method of claim 11 , wherein the data further includes an electricity rate system set by a user.

15 . The operation method of claim 11 , further comprising:
outputting result data with respect to links and nodes forming a pipeline network by performing a hydraulic analysis simulation corresponding to the optimal control value.

16 . The operation method of claim 11 , wherein result data with respect to links and nodes according to the decision variable determined at a current time slot is used as hydraulic analysis data with respect to links and nodes composing a pipeline network in the step of receiving at a next time slot.

Assignees

• Lsis Co Ltd

Inventors

• Kang Min Gu

Classifications

• G05B15/02

  electric · CPC title

• G05D7/0635 Primary

  by action on throttling means (G05D7/0688, G05D7/0694 take precedence) · CPC title

• G06Q50/06 Primary

  Energy or water supply · CPC title

• E03B7/02

  Public or like main pipe systems · CPC title

• G05B2219/41273

  Hydraulic · CPC title