System, method and computer product for baseline modeling a product or process

• US 7,403,877 B2
• Filed: 08/17/2001
• Issued: 07/22/2008
• Est. Priority Date: 08/17/2001
• Status: Active Grant

• Current Assignee: General Electric Company
• Original Assignee: General Electric Company
• Inventors: Donoghue, Jeremiah Francis, Stein, Jeffrey William, Maruscik, Ronald George, Aragones, James Kenneth
• Primary Examiner(s): Cabrera; Zoila E.
• Assistant Examiner(s): Craig; Dwin M
• Application Number:
  US09/682,314
• Publication Number:
  US 20030036891A1
• Time in Patent Office: 2,531 Days
• Field of Search: 703/8, 703/7, 703/2, 703/1, 707/102, 701/14
• US Class Current: 703/2
• CPC Class Codes: G05B 17/02 electric

Abstract

System, method and computer product for baseline modeling a product or process. A service database contains process data. A preprocessor processes the data into a predetermined format. A baseline modeling component builds a baseline model from the preprocessed data, wherein the baseline model relates process performance variables as a function of process operating conditions.

Claims

1. A method for performing engine baseline modeling, comprising:

storing engine data;

preprocessing the engine data into a predetermined format, wherein the preprocessing comprises cleaning the engine data;

building an engine baseline model for an engine from the preprocessed data, wherein the engine baseline model relates engine performance variables as a function of engine operating conditions; and

evaluating the performance of the engine baseline model.

2. The method according to claim 1, wherein the preprocessing further comprises extracting the engine data from an engine service database.

3. The method according to claim 1, wherein the preprocessing further comprises segmenting the engine data into a plurality of groups.

4. The method according to claim 1, wherein the engine baseline model is a regression model.

5. The method according to claim 1, further comprising validating the engine baseline model.

6. The method according to claim 1, further comprising generating rules for cleaning the preprocessed data.

7. A method for performing engine baseline modeling, comprising:

storing engine data;

preprocessing the engine data into a predetermined format, wherein the preprocessing comprises cleaning the engine data;

building an engine baseline model for an engine from the preprocessed data using a regression analysis, wherein the regression analysis relates engine performance variables as a function of engine operating conditions; and

evaluating the performance of the engine baseline model.

8. The method according to claim 7, wherein the preprocessing further comprises extracting the engine data from an engine service database.

9. The method according to claim 7, wherein the preprocessing further comprises segmenting the engine data into a plurality of groups.

10. The method according to claim 7, further comprising validating the engine baseline model.

11. The method according to claim 7, further comprising generating rules for cleaning the preprocessed data.

12. A method for performing engine baseline modeling of an aircraft engine, comprising:

storing aircraft engine data;

preprocessing the aircraft engine data into a predetermined format, wherein the preprocessing corrects the aircraft engine data to standard conditions derived for an aircraft engine, and wherein the preprocessing comprises generating rules for cleaning the preprocessed data;

building an engine baseline model for an engine from the preprocessed data using a regression analysis, wherein the regression analysis relates engine performance variables as a function of engine operating conditions; and

evaluating the performance of the engine baseline model.

13. The method according to claim 12, further comprising validating the engine baseline model.

14. A method for performing engine baseline modeling of an aircraft engine, comprising:

storing aircraft engine data;

preprocessing the aircraft engine data into a predetermined format, wherein the preprocessing corrects the aircraft engine data to standard conditions derived for an aircraft engine, and wherein the preprocessing comprises generating rules for cleaning the preprocessed data;

building an engine baseline model for an engine from the preprocessed data using a regression analysis, wherein the regression analysis relates engine performance variables as a function of engine operating conditions;

validating the engine baseline model;

generating model diagnostics from the engine baseline model; and

evaluating the performance of the engine baseline model.

15. A method for performing engine baseline modeling of an engine, comprising:

presenting a user with aircraft engine data;

prompting the user to select engine performance variables and engine operating conditions from the aircraft engine data to model;

in response to the user selection, preprocessing the engine data into a predetermined format, wherein the preprocessing comprises cleaning the engine data;

using a regression to build an engine baseline model for an engine from the data; and

evaluating the performance of the engine baseline model.

16. The method according to claim 15, further comprising validating the engine baseline model.

17. The method according to claim 15, further comprising generating rules for cleaning the preprocessed data.

18. The method according to claim 15, further comprising displaying results from the evaluation to the user.

19. A computer-readable medium readable by a computer system and storing computer instructions for execution by the computer system to perform engine baseline modeling, the computer instructions comprising:

storing engine data;

preprocessing the engine data into a predetermined format, wherein the preprocessing comprises cleaning the engine data;

building an engine baseline model for an engine from the preprocessed data, wherein the engine baseline model relates engine performance variables as a function of engine operating conditions; and

evaluating the performance of the engine baseline model.

20. The computer-readable medium according to claim 19, wherein the preprocessing further comprises extracting the engine data from an engine service database.

21. The computer-readable medium according to claim 19, wherein the preprocessing further comprises segmenting the engine data into a plurality of groups.

22. The computer-readable medium according to claim 19, wherein the engine baseline model is a regression model.

23. The computer-readable medium according to claim 19, further comprising instructions for validating the engine baseline model.

24. The computer-readable medium according to claim 19, further comprising instructions for generating rules for cleaning the preprocessed data.

25. A computer-readable medium readable by a computer system and storing computer instructions for execution by the computer system to perform engine baseline modeling, the computer instructions comprising:

storing engine data;

preprocessing the engine data into a predetermined format, wherein the preprocessing comprises cleaning the engine data;

building an engine baseline model for an engine from the preprocessed data using a regression analysis, wherein the regression analysis relates engine performance variables as a function of engine operating conditions; and

evaluating the performance of the engine baseline model.

26. The computer-readable medium according to claim 25, wherein the preprocessing further comprises extracting the engine data from an engine service database.

27. The computer-readable medium according to claim 25, wherein the preprocessing further comprises segmenting the engine data into a plurality of groups.

28. The computer-readable medium according to claim 25, further comprising instructions for validating the engine baseline model.

29. The computer-readable medium according to claim 25, further comprising instructions for generating rules for cleaning the preprocessed data.

30. A computer-readable medium readable by a computer system and storing computer instructions for execution by the computer system to perform engine baseline modeling, the computer instructions comprising:

storing aircraft engine data;

preprocessing the aircraft engine data into a predetermined format, wherein the preprocessing corrects the aircraft engine data to standard conditions derived for an aircraft engine, and wherein the preprocessing comprises generating rules for cleaning the preprocessed data;

building an engine baseline model for an engine from the preprocessed data using a regression analysis, wherein the regression analysis relates engine performance variables as a function of engine operating conditions; and

evaluating the performance of the engine baseline model.

31. The computer-readable medium according to claim 30, further comprising instructions for validating the engine baseline model.

32. A computer-readable medium readable by a computer system and storing computer instructions for execution by the computer system to perform engine baseline modeling, the computer instructions comprising:

storing aircraft engine data;

preprocessing the aircraft engine data into a predetermined format, wherein the preprocessing corrects the aircraft engine data to standard conditions derived for an aircraft engine, and wherein the preprocessing comprises cleaning the preprocessed data;

building an engine baseline model for an engine from the preprocessed data using a regression analysis, wherein the regression analysis relates engine performance variables as a function of engine operating conditions;

validating the engine baseline model;

generating model diagnostics from the engine baseline model; and

evaluating the performance of the engine baseline model.

33. A computer-readable medium readable by a computer system and storing computer instructions for execution by the computer system to perform engine baseline modeling, the computer instructions comprising:

presenting a user with aircraft engine data;

prompting the user to select engine performance variables and engine operating conditions from the aircraft engine data to model;

in response to the user selection, preprocessing the engine data into a predetermined format, wherein the preprocessing comprises cleaning the engine data;

using a regression to build an engine baseline model for an engine from the preprocessed data; and

evaluating the performance of the engine baseline model.

34. The computer-readable medium according to claim 33, further comprising instructions for validating the engine baseline model.

35. The computer-readable medium according to claim 33, further comprising instructions for generating rules for cleaning the preprocessed data.

36. The computer-readable medium according to claim 33, further comprising instructions for displaying results from the evaluation to the user.

37. A system for performing baseline modeling of a process, comprising:

a memory;

a processor in communication with the memory;

a service database that contains data relating to the process;

a preprocessor for processing the data into a predetermined format, wherein the preprocessor comprises a data scrubbing component that cleans the data; and

a baseline modeling component that builds a baseline model for an engine from the preprocessed data, wherein the baseline model relates process performance variables as a function of process operating conditions; and

a model diagnostics component that evaluates the performance of the baseline model.

38. The system according to claim 37, wherein the preprocessor further comprises a data acquisition component that extracts the data from the service database.

39. The system according to claim 37, wherein the preprocessor further comprises a data segmenting component that segments the data into a plurality of groups.

40. The system according to claim 37, wherein the baseline model is a regression model.

41. The system according to claim 37, wherein the baseline modeling component (34) comprises a metric component that validates the baseline model.

42. The system according to claim 37, wherein the baseline modeling component comprises a heuristics component that generates rules for cleaning the preprocessed data.

43. A method for performing baseline modeling of a process, comprising:

storing process data;

preprocessing the process data into a predetermined format, wherein the preprocessing comprises cleaning the process data;

building a baseline model for a process from the preprocessed data, wherein the baseline model relates process performance variables as a function of process operating conditions; and

evaluating the performance of the baseline model.

44. The method according to claim 43, wherein the preprocessing further comprises extracting the process data from a service database.

45. The method according to claim 43, wherein the preprocessing further comprises segmenting the process data into a plurality of groups.

46. The method according to claim 43, wherein the process baseline model is a regression model.

47. The method according to claim 43, further comprising validating the baseline model.

48. The method according to claim 43, further comprising generating rules for cleaning the preprocessed data.

49. A computer-readable medium readable by a computer system and storing computer instructions for execution by the computer system to perform baseline modeling of a process, the computer instructions comprising:

storing process data;

preprocessing the process data into a predetermined format, wherein the preprocessing comprises cleaning the process data;

building a baseline model for an engine from the preprocessed data, wherein the baseline model relates process performance variables as a function of process operating conditions; and

evaluating the performance of the baseline model.

50. The computer-readable medium according to claim 49, wherein the preprocessing further comprises extracting the process data from a service database.

51. The computer-readable medium according to claim 49, wherein the preprocessing further comprises segmenting the process data into a plurality of groups.

52. The computer-readable medium according to claim 49, wherein the baseline model is a regression model.

53. The computer-readable medium according to claim 49, further comprising instructions for validating the baseline model.

54. The computer-readable medium according to claim 49, further comprising instructions for generating rules for cleaning the preprocessed data.