SYSTEM AND METHOD FOR EVALUATING OPPORTUNITIES TO EXTEND OPERATING DURATIONS

• US 20150323422A1
• Filed: 05/12/2014
• Published: 11/12/2015
• Est. Priority Date: 05/12/2014
• Status: Abandoned Application

• Current Assignee: General Electric Company
• Original Assignee: General Electric Company
• Inventors: Sarda, Rajesh, Pawlowski, Joseph Vincent, Sinha, Sudip
• Application Number:
  US14/274,920
• Publication Number:
  US 20150323422A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: F01D 21/00 Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
• CPC Class Codes: F05D 2260/80 Diagnostics
• CPC Class Codes: F05D 2260/81 Modelling or simulation
• CPC Class Codes: F05D 2260/82 Forecasts
• CPC Class Codes: G01M 15/14 Testing gas-turbine engines or jet-propulsion engines
• CPC Class Codes: G01M 99/005 Testing of complete machines, e.g. washing-machines or mobile phones testing of machine parts G01M13/00; testing of electric apparatus or components G01R31/50

Abstract

Aspects of the present disclosure relate generally to a system and method for evaluating opportunities to extend operating durations. A system according to the present disclosure can include: a computing device in communication with a machine amongst a plurality of machines within a machine system, the machine being subject to a particular operating duration, wherein the computing device is configured to perform actions including: examining operating data for the machine; modeling future performance data for the machine; calculating an operating duration extension risk for the machine; determining whether the machine is eligible for an operating duration extension based on the examined operating data, the modeled future performance data, and the calculated operating duration extension risk; and calculating an extension readiness metric for the machine in response to the machine being eligible for the operating duration extension.

Claims

1. A system comprising:

a computing device in communication with a machine amongst a plurality of machines within a machine system, the machine being subject to a particular operating duration, wherein the computing device is configured to perform actions including;

examining operating data for the machine;

modeling future performance data for the machine;

calculating an operating duration extension risk for the machine;

determining whether the machine is eligible for an operating duration extension based on the examined operating data, the modeled future performance data, and the calculated operating duration extension risk; and

calculating an extension readiness metric for the machine in response to the machine being eligible for the operating duration extension.

2. The system of claim 1, wherein the operating data for the machine includes at least one of operating purpose data, machine parts data, operating duration history data, and performance history data.

3. The system of claim 1, wherein the modeling of the future performance data for the machine further includes:

calculating a predicted time until failure of the machine;

comparing the predicted time until failure of the machine with a maximum operating duration extension; and

predicting a remaining operating time for the machine for a future operating duration in response to the maximum operating duration extension exceeding the predicted time until failure.

4. The system of claim 1, wherein the modeling of the future performance data for the machine further includes:

measuring a degradation variable for the machine;

predicting a time of failure based on the measured degradation variable; and

determining, in response to the predicted time of failure being within the operating duration of the machine, whether a failure of the machine will cause a failure of the machine system.

5. The system of claim 1, wherein the machine includes one of a turbine assembly and a turbine subassembly.

6. The system of claim 1, wherein the calculating of the operating duration extension risk includes calculating a maximum potential extension of the operating duration.

7. The system of claim 1, wherein the examining of the operating data includes determining a lifespan-limiting part within the machine.

8. The system of claim 1, wherein the computing device is further configured to calculate the operating extension readiness metric for the plurality of machines within the machine system, and rank the plurality of machines based on their respective operating extension readiness metrics.

9. The system of claim 1, wherein the operating extension readiness metric includes at least one of a failure risk, an economic benefit, and a recommended operating extension time.

10. A method implemented with a computing device, the method comprising:

examining operating data for a machine amongst a plurality of machines within a machine system with a determinator component of the computing device, the machine being subject to a particular operating duration;

modeling the future performance data for the machine with a calculator component of the computing device;

calculating an operating duration extension risk for the operating duration with the calculator component of the computing device;

determining whether the machine is eligible for an operating duration extension based on the examined operating data with the determinator component of the computing device, the modeled future performance data, and the calculated operating duration extension risk; and

calculating an operating extension readiness metric for the machine with the calculator component of the computing device in response to the machine being eligible for the operating duration extension.

11. The method of claim 10, wherein the operating data for the machine includes at least one of operating purpose data, machine parts data, operating duration history data, and performance history data.

12. The method of claim 10, wherein the modeling of the future performance data for the machine further includes:

calculating a predicted time until failure with the calculator component of the computing device;

comparing the predicted time until failure with a maximum operating duration extension with a comparator component of the computing device; and

predicting a remaining operating time for the machine within a future operating duration with the calculator component of the computing device in response to the maximum operating duration extension exceeding the predicted time until failure.

13. The method of claim 10, wherein the modeling of the future performance data for the machine further includes:

measuring a degradation variable for the machine with the determinator component of the computing device;

predicting a time of failure based on the measured degradation variable with the calculator component of the computing device; and

determining whether a failure of the machine will cause a failure of the machine system with the determinator component of the computing device in response to the predicted time of failure being within the operating duration of the machine.

14. The method of claim 10, wherein the machine includes one of a turbine assembly and a turbine subassembly.

15. The method of claim 10, wherein the calculating of the machine extension risk includes calculating a maximum potential extension of the operating duration.

16. The method of claim 10, the examining of operating data with the determinator component of the computing device includes determining a lifespan-limiting part within the machine.

17. The method of claim 10, further comprising calculating the operating extension readiness metric for the plurality of machines within the machine system with the calculator component of the computing device, and ranking the plurality of machines based on their respective operating extension readiness metrics with a prioritizor component of the computing device.

18. The method of claim 10, wherein the operating extension readiness metric includes at least one of a failure risk, an economic benefit, and a recommended operating extension time.

19. A program product stored on a computer readable storage medium for evaluating operating extension opportunities, the computer readable storage medium comprising program code for causing a computer system to:

examine operating data for a machine, the machine being subject to an operating duration, wherein the machine is one of a plurality of machines within a machine system;

model future performance data for the machine;

calculate an operating duration extension risk for the operating duration;

determine whether the machine is eligible for an operating duration extension based on the examined operating data, the modeled future performance data, and the calculated operating duration extension risk; and

calculate an operating extension readiness metric for the machine in response to the machine being eligible for the operating duration extension.

20. The program product of claim 19, further comprising program code for causing the computer system to calculate the operating extension readiness metric for each of the plurality of machines within the machine system, and rank the plurality of machines within the machine system based on their respective operating extension readiness metrics.