DATA PROCESSING METHOD AND SYSTEM FOR CHECKING PIPELINE LEAKAGE

• US 20130085690A1
• Filed: 04/21/2011
• Published: 04/04/2013
• Est. Priority Date: 04/29/2010
• Status: Abandoned Application

• Current Assignee: International Business Machines Corporation
• Original Assignee: International Business Machines Corporation
• Inventors: Fei, Ben, Tian, Chunhua, Wang, Dong, Wang, Hao, Wu, Xian, Xiao, Jing
• Application Number:
  US13/643,665
• Publication Number:
  US 20130085690A1
• Time in Patent Office: Days
• US Class Current: 702/51
• CPC Class Codes: F17D 1/00 Pipe-line systems conveying articles or materials through a pipe- line by means of a fluid carrier B65G51/00, B65G53/00; liquids B67D; special devices for transferring liquids from bulk storage containers into vehicles or boats or vice versa, e.g. loading or unloading vehicles or portable containers B67D7/00; conveying material which has been excavated by a dredger or soil shifter through a pipe-line E02F7/10; sewer pipe-line systems E03F3/00; thermal insulation of pipe-lines F16L59/00; central heating systems F24D
• CPC Class Codes: F17D 3/01 for controlling, signalling, or supervising the conveyance of a product
• CPC Class Codes: F17D 5/02 Preventing, monitoring, or locating loss
• CPC Class Codes: F17D 5/06 using electric or acoustic means
• CPC Class Codes: G01M 3/2807 for pipes G01M3/2892, G01M3/30 take precedence
• CPC Class Codes: G01M 3/2815 using pressure measurements
• CPC Class Codes: G06F 17/18 for evaluating statistical data , e.g. average values, frequency distributions, probability functions, regression analysis forecasting specially adapted for a specific administrative, business or logistic context G06Q10/04
• CPC Class Codes: H04Q 2209/84 Measuring functions
• CPC Class Codes: H04Q 9/00 Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom

Abstract

A method for checking pipeline leakage comprises: receiving detecting parameters collected by at least one sensor with respect to pipelines in its corresponding region; gathering detecting parameters collected by the at least one sensor; analyzing the gathered detecting parameters to obtain an evolutionary tendency of detecting parameters in the corresponding region of the at least one sensor; judging if the evolutionary tendency of the detecting parameters satisfies predefined features of leakage; determining that pipeline leakage exists in the corresponding region if the evolutionary tendency of the detecting parameters satisfies the predefined features of leakage. The present invention may help to determine leak regions with a leakage having small flow quantity, and provide a user with regions with pipeline leakage to be detected based on a resource constraint.

Claims

1. A data processing method for checking pipeline leakage, the method comprising:

receiving detecting parameters collected by at least one sensor with respect to pipelines in its corresponding region;

gathering detecting parameters collected by the at least one sensor;

analyzing the gathered detecting parameters to obtain an evolutionary tendency of detecting parameters in the corresponding region of the at least one sensor;

judging if the evolutionary tendency of the detecting parameters satisfy predefined features of leakage; and

determining that pipeline leakage exists in the corresponding region if the evolutionary tendency of the detecting parameters satisfies the predefined features of leakage.

2. The method according to claim 1, wherein the gathering comprises gathering detecting parameters collected by at least one sensor respectively to form the gathered detecting parameters respectively corresponding to a plurality of regions.

3. The method according to claim 1, further comprising:

in response to determining that no pipeline leakage exists in the corresponding region, (i) re-gathering detecting parameters collected by at least one of other adjacent sensors based on the previously gathered detecting parameters, (ii) performing the judging if the evolutionary tendency of detecting parameters satisfies the predefined features of leakage, and (iii) determining that pipeline leakage exists in the corresponding region if the evolutionary tendency of detecting parameters satisfies the predefined features of leakage, until obtaining region with pipeline leakage.

4. The method according to claim 1, further comprising:

repeating the gathering step, analyzing step, judging step and determining step until determining a plurality of regions with pipeline leakage.

5. The method according to claim 2, further comprising:

in response to determining that leakage exists in pipelines of the corresponding region, marking region with pipeline leakage in a plurality of regions.

6. The method according to claim 2, further comprising:

in response to determining the region with pipeline leakage, locating region with pipeline leakage requested to be detected by using a resource constraint.

7. The method according to claim 6, wherein the locating region with pipeline leakage requested to be detected by using a resource constraint comprises:

traversing the determined regions with pipeline leakage according to the resource constraint; and

arranging the regions with pipeline leakage according to estimated quantities of leakage.

8. The method according to claim 1, wherein the gathering detecting parameters collected by at least one sensor comprises accumulating detecting parameters of the at least one sensor.

9. The method according to claim 1, wherein the analyzing the gathered detecting parameters comprises performing frequency spectrum analysis on the gathered detecting parameters.

10. The method according to claim 9, wherein the analyzing the gathered detecting parameters to obtain an evolutionary tendency of the detecting parameters in the at least one region further comprises:

computing at least one of a first order increment and a second order increment of frequency spectrum of the gathered detecting parameters obtained through the frequency spectrum analysis; and

judging features of at least one of the first order increment and second order increment to determine the evolutionary tendency of the detecting parameters.

11. The method according to claim 10, wherein the judging if the evolutionary tendency of the detecting parameters satisfies the predefined features of leakage comprises judging at least one of:

if a first order increment of frequency spectrum of detecting parameters within any period is uniform;

if a second order increment of frequency spectrum of the detecting parameters within any period is uniform;

if the first order increment of frequency spectrum of detecting parameters within any period is a non-decreasing function; and

if the second order increment of frequency spectrum of detecting parameters in peak period is consistent with that in ordinary period.

12. The method according to claim 1, wherein the detecting parameters comprise multiple sample values of at least one of:

fluid pressure, fluid flow quantity, fluid flow rate, content of residual chlorine, dissolved oxygen, pH value, oxidation-reduction potential, conductivity, temperature, total dissolved gas, and turbidity in different time intervals.

13. A data processing system for checking pipeline leakage, the system comprising:

receiving means configured for receive detecting parameters collected by at least one sensor with respect to pipelines in its corresponding region;

gathering means configured to gather detecting parameters collected by the at least one sensor;

analyzing means configured to analyze the gathered detecting parameters to obtain an evolutionary tendency of detecting parameters in the corresponding region of the at least one sensor;

judging means configured to judge if the evolutionary tendency of the detecting parameters satisfies predefined features of leakage; and

determining means configured to determine that pipeline leakage exists in the corresponding region if the evolutionary tendency of the detecting parameters satisfies the predefined features of leakage.

14. The system according to claim 13, wherein the gathering means comprises;

means configured to gathering detecting parameters collected by at least one sensor respectively to form the gathered detecting parameters respectively corresponding to a plurality of regions.

15. The system according to claim 13, further comprising:

means configured to, if determining that no pipeline leakage exists in the corresponding region, (i) re-gather detecting parameters collected by at least one of other sensors based on the previously gathered detecting parameters, (ii) using the judging means, and (iii) using the determining means until obtaining region with pipeline leakage.

16. The system according to claim 13, further comprising:

means configured to repeat the gathering means, analyzing means, judging means and determining means until determining a plurality of regions with pipeline leakage.

17. The system according to claim 14, further comprising:

means configured to mark region with pipeline leakage in a plurality of regions based on determining that pipeline leakage exists in the corresponding region.

18. The system according to claim 14, further comprising:

means configured to locate region with pipeline leakage requested to be detected by using a resource constraint based on the determined region with pipeline leakage.

19. The system according to claim 18, wherein the means configured to locate comprises:

means configured to traverse the determined regions with pipeline leakage according to the resource constraint to determine regions with pipeline leakage that satisfy the resource constraint; and

means configured to arrange the regions with pipeline leakage that satisfy the resource constraint according to estimated quantities of leakage of the regions.

20. The system according to claim 13, wherein the gathering detecting parameters collected by at least one sensor comprises accumulating detecting parameters of the at least one sensor.

21. The system according to claim 13, wherein the analyzing the gathered detecting parameters comprises performing frequency spectrum analysis on the gathered detecting parameters.

22. The system according to claim 21, wherein the analyzing means further comprises:

means configured to compute at least one of a first order increment and a second order increment of frequency spectrum of the gathered detecting parameters obtained through the frequency spectrum analysis; and

means configured to judge features of at least one of the first order increment and second order increment to determine the evolutionary tendency of the detecting parameters.

23. The system according to claim 21, wherein the judging means further comprises at least one of:

means configured to judge if a first order increment of frequency spectrum of detecting parameters within any period is uniform;

means configured to judge if a second order increment of frequency spectrum of the detecting parameters within any period is uniform;

means configured to judge if the first order increment of frequency spectrum of detecting parameters within any period is a non-decreasing function; and

means configured to judge if the second order increment of frequency spectrum of detecting parameters in peak period is consistent with that in ordinary period.