Diagnostic method and system for turbine engines
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-011/00
F02M-025/07
출원번호
US-0944667
(2001-08-31)
발명자
/ 주소
Humerickhouse, Charles Edward
Lethander, Charles Eric
Vorwerk, Ryan Kenneth
출원인 / 주소
General Electric Company
대리인 / 주소
Andes, ScottHasse Guttag & Nesbitt LLCGuttag, Eric W.
인용정보
피인용 횟수 :
13인용 특허 :
13
초록▼
A method and system for evaluating whether faults detected during the testing of a gas turbine engine are related to the performance problems of the engine or to some other abnormality unrelated to engine performance. One performance parameter of the engine is evaluated under one performance conditi
A method and system for evaluating whether faults detected during the testing of a gas turbine engine are related to the performance problems of the engine or to some other abnormality unrelated to engine performance. One performance parameter of the engine is evaluated under one performance condition to generate a first set of current engine data that is then compared to a first set of prior engine data to determine if there is an abnormality. If one is detected, this performance parameter is then evaluated under at least two different performance conditions to generate a second set of current engine data that is compared to a second set of prior engine data to determine if there is an abnormality. If one is detected, the abnormality is evaluated to see if the fault is unrelated to the performance of the engine. If one is not detected, this performance parameter is evaluated relative to at least one other performance parameter to generate a third set of current engine data that is compared to a third set of prior engine data to determine if there is an abnormality. If one is detected after this comparison of the third set of current to prior engine data, the abnormality is then evaluated to see if it is unrelated to engine performance. If one is not detected, the abnormality is then evaluated to determine if the fault is related to engine performance.
대표청구항▼
A method and system for evaluating whether faults detected during the testing of a gas turbine engine are related to the performance problems of the engine or to some other abnormality unrelated to engine performance. One performance parameter of the engine is evaluated under one performance conditi
A method and system for evaluating whether faults detected during the testing of a gas turbine engine are related to the performance problems of the engine or to some other abnormality unrelated to engine performance. One performance parameter of the engine is evaluated under one performance condition to generate a first set of current engine data that is then compared to a first set of prior engine data to determine if there is an abnormality. If one is detected, this performance parameter is then evaluated under at least two different performance conditions to generate a second set of current engine data that is compared to a second set of prior engine data to determine if there is an abnormality. If one is detected, the abnormality is evaluated to see if the fault is unrelated to the performance of the engine. If one is not detected, this performance parameter is evaluated relative to at least one other performance parameter to generate a third set of current engine data that is compared to a third set of prior engine data to determine if there is an abnormality. If one is detected after this comparison of the third set of current to prior engine data, the abnormality is then evaluated to see if it is unrelated to engine performance. If one is not detected, the abnormality is then evaluated to determine if the fault is related to engine performance. t. 7. The system of claim 1, wherein the storage means stores at least one inspection report for said boat. 8. The system of claim 1, wherein the storage means stores a vessel identifier associated with said boat. 9. The system of claim 8, which includes means connected to said boat for providing the vessel identifier associated with said boat. 10. A method for enabling a user to monitor a boat through an electronic data network, said method comprising the steps of: (a) performing a baseline inspection of said boat; (b) inputting the results of said baseline inspection of said boat into an electronic storage medium accessible through the data network; (c) performing a second inspection of said boat at a time after said first inspection; (d) inputting the results of the second inspection of said boat into the electronic storage medium; and (e) enabling the user to access the results of said boat inspection from the storage means through said data network to evaluate changes in the monitored condition of said boat over time. 11. The method of claim 10, which includes repeating steps (a) to (c) on a regular basis. 12. The method of claim 11, which includes assigning an inspector to regularly inspect said boat. 13. The method of claim 12, which includes communicating a boat monitoring procedure to said inspector through said data network. 14. The method of claim 10, wherein the step of inspecting said boat includes inspecting an exterior of said boat. 15. The method of claim 14, wherein the step of inspecting said boat includes inspecting an interior of said boat. 16. The method of claim 10, which includes storing a boat monitoring procedure for said boat in said storage medium prior to inspecting said boat. 17. The method of claim 10, which includes creating an inspection report and storing the inspection report in the storage means. 18. The method of claim 17, wherein the inspection report includes maintenance recommendations for said boat. 19. The system of claim 1 wherein said current condition data comprises on-site inspection data. nism of the EMD, entering a downlink message to be communicated to the IMD; and communicating the downlink message from the EMD to the IMD. 5. The method of claim 1, further comprising the steps of: using a message entry mechanism of the EMD, entering a downlink message to be communicated to the IMD; communicating the downlink message from the EMD to the IMD; and communicating an uplink message from the IMD to the EMD. 6. The method of claim 1, further comprising the steps of: using a message entry mechanism of the EMD, entering a downlink message to be communicated to the IMD instructing the control means to provide a therapy; and communicating the downlink message from the EMD to the IMD. 7. The method of claim 1, further comprising the steps of: using a message entry mechanism of the EMD, entering a downlink message to be communicated to the IMD instructing the control means to provide a therapy; communicating the downlink message from the EMD to the IMD; and communicating an uplink message from the IMD to the EMD confirming delivery of the therapy. 8. The method of claim 1, further comprising the steps of: using a message entry mechanism of the EMD, entering a downlink message to be communicated to the IMD instructing the control means to provide a therapy; communicating the downlink message from the EMD to the IMD; communicating an uplink message from the IMD to the EMD confirming delivery of the therapy; and displaying one or both of the uplink and downlink messages on a display of the EMD. 9. The method of claim 1, further comprising the steps of: using a message entry mechanism of the EMD, entering a downlink message to be communicated to the IMD instructing the control means to uplink communicate patient data; and communicating the downlink message from the EMD to the IMD. 10. The method of claim 1, further comprising the steps of: using a message entry mechanism of the EMD, entering a downlink message to be communicated to the IMD instructing the control means to uplink communicate patient data; communicating the downlink message from the EMD to the IMD; and communicating an uplink message from the IMD to the EMD related to the measured physiologic condition. 11. The method of claim 1, further comprising the steps of: using a message entry mechanism of the EMD, entering a downlink message to be communicated to the IMD instructing the control means to uplink communicate patient data; communicating the downlink message from the EMD to the IMD; communicating an uplink message from the IMD to the EMD related to the measured physiologic condition; and displaying one or both of the uplink and downlink messages on a display of the EMD. 12. The method of claim 1, further comprising the steps of: using a message entry mechanism of the EMD, entering a downlink message to be communicated to the IMD instructing the control means to measure a physiologic condition of the patient; and communicating the downlink message from the EMD to the IMD. 13. The method of claim 1, further comprising the steps of: using a message entry mechanism of the EMD, entering a downlink message to be communicated to the IMD instructing the control means to measure a physiologic condition of the patient; communicating the downlink message from the EMD to the IMD; and communicating an uplink message from the IMD to the EMD related to the measured physiologic condition. 14. The method of claim 1, further comprising the steps of: using a message entry mechanism of the EMD, entering a downlink message to be communicated to the IMD instructing the control means to measure a physiologic condition of the patient; communicating the downlink message from the EMD to the IMD; communicating an uplink message from the IMD to the EMD related to the measured physiologic condition; and displaying one or both of the uplink and downlink messages on a display of the EMD. 15. The method of claim 1, fu rther comprising the steps of: using a message entry mechanism of the EMD, entering a downlink message to be communicated to the IMD instructing the control means to store the message for later uplink message transmission; and communicating the downlink message from the EMD to the IMD. 16. The method of claim 1, further comprising the steps of: using a message entry mechanism of the EMD, entering a downlink message to be communicated to the IMD instructing the control means to store the message for later uplink message transmission and instructing the control mechanism to measure a physiologic condition of the patient; communicating the downlink message from the EMD to the IMD; and communicating an uplink message from the IMD to the EMD related to the measured physiologic condition. 17. The method of claim 1, further comprising the steps of: using a message entry mechanism of the EMD, entering a downlink message to be communicated to the IMD instructing the control means to store the message and instructing the control mechanism to measure and store a physiologic condition of the patient for later uplink message transmission; communicating the downlink message from the EMD to the IMD; communicating an uplink message from the IMD to the EMD related to the measured physiologic condition; and displaying one or both of the uplink and downlink messages on a display of the EMD. 18. A method of communicating between an external medical device (EMD), and an implantable medical device (IMD) including means for delivering a therapy to a patient or monitoring a physiologic parameter of a patient and control means for modifying operation of the IMD in response to control instructions received from the EMD, the method comprising the steps of: generating encoded dual tone multiple frequency (DTMF) tones from the EMD to enable commencement of a communication session with the IMD; detecting the encoded DTMF tones by the IMD; establishing a two-way communication link between the EMD and the IMD in response to detection of the encoded DTMF tones by the IMD; using a message entry mechanism of the EMD, entering a downlink message to be communicated to the IMD; communicating the downlink message from the EMD to the IMD; communicating an uplink message from the IMD to the EMD; and displaying one or both of the uplink and downlink messages on a display of the EMD. 19. The method of claim 18, wherein the step of entering a downlink message further comprises entering a downlink message to be communicated to the IMD instructing the control means to provide a therapy. 20. The method of claim 18, wherein the step of entering a downlink message further comprises entering a downlink message to be communicated to the IMD instructing the control means to communicate an uplink message comprising specified patient data. 21. The method of claim 18, wherein the step of entering a downlink message further comprises entering a downlink message to be communicated to the IMD instructing the control means to measure a physiologic condition of the patient. 22. The method of claim 18, wherein the step of entering a downlink message further comprises entering a downlink message to be communicated to the IMD instructing the means to store the message and instructing the control mechanism to measure and store a physiologic condition of the patient for later uplink message transmission. 23. The method of claim 18, wherein the step of entering a downlink message further comprises entering a downlink message to be communicated to the IMD instructing the control means to store the downlink message for later uplink message transmission. 24. A system for communicating between an implantable medical device (IMD) implanted in a patient and an external medical device (EMD) having a display comprising: in the EMD, means for generating encoded dual tone multiple frequency (DTMF) tones from the EMD to enable commencement of a communication session w ith the IMD; and in the IMD, delivery means for delivering a therapy to the patient or monitoring a physiologic condition of the patient; control means for modifying operation of the IMD in response to a downlink message received from the EMD; means for detecting the encoded DTMF tones generated by the EMD and for establishing a communication link between the EMD and the IMD; and uplink message means for communicating an uplink message from the IMD to the EMD. 25. The system of claim 24, further comprising, in the EMD, means for receiving and displaying the uplink message on the display of the EMD. 26. A system for communicating between an implantable medical device (IMD) implanted in a patient and an external medical device (EMD) having a display comprising: in the EMD, means for generating encoded dual tone multiple frequency (DTMF) tones from the EMD to enable commencement of a communication session with the IMD; message entry means for entering a downlink message to be communicated to the IMD; and means for communicating the downlink message from the EMD to the IMD; and in the IMD, means for detecting the encoded DTMF tones generated by the EMD and for establishing a communication link between the EMD and the IMD; delivery means for delivering a therapy to a patient or monitoring a physiologic parameter of a patient; and control means for modifying an operation of the IMD in response to a downlink message received from the EMD. 27. The system of claim 26, further comprising, in the EMD, means for displaying the downlink messages on the display of the EMD. 28. The system of claim 27, wherein the message entry means further comprises means for entering a downlink message to be communicated to the IMD instructing the control means to provide a therapy. 29. The system of claim 27, wherein the message entry means further comprises means for entering a downlink message to be communicated to the IMD instructing the control means to communicate an uplink message comprising patient data. 30. The system of claim 27, wherein the message entry means further comprises means for entering a downlink message to be communicated to the IMD instructing the control means to measure a physiologic condition of the patient. 31. The system of claim 27, wherein the message entry means further comprises means for entering a downlink message to be communicated to the IMD instructing the control means to store the message and instructing the control mechanism to measure and store a physiologic condition of the patient for later uplink message transmission. 32. The system of claim 27, wherein the message entry means further comprises means for entering a downlink message to be communicated to the IMD instructing the control means to store the downlink message for later uplink message transmission. 33. The system of claim 26, wherein the message entry means further comprises means for entering a downlink message to be communicated to the IMD instructing the control means to provide a therapy. 34. The system of claim 26, wherein the message entry means further comprises means for entering a downlink message to be communicated to the IMD instructing the control means to communicate and uplink message comprising patient data. 35. The system of claim 26, wherein the message entry means further comprises means for entering a downlink message to be communicated to the IMD instructing the control means to measure a physiologic condition of the patient. 36. The system of claim 26, wherein the message entry means further comprises means for entering a downlink message to be communicated to the IMD instructing the control means to store the message and instructing the control mechanism to measure and store a physiologic condition of the patient for later uplink message transmission. 37. The system of claim 26, wherein the message entry means further comprises means for entering a downlink message to be communicated to the IMD instructing t he control means to store the message for later uplink message transmission. 38. A system for communicating uplink and downlink messages between an implantable medical device (IMD) implanted in a patient and an external medical device (EMD) having a display comprising: in the EMD, means for generating encoded dual tone multiple frequency (DTMF) tones from the EMD to enable commencement of a communication session with the IMD; message entry means for entering a downlink message to be communicated to the IMD; means for communicating the downlink message from the EMD to the IMD; and means for displaying one or both of the uplink and downlink messages on the display of the EMD; and in the IMD, delivery means for delivering a therapy to a patient or monitoring a physiologic parameter of a patient; control means for modifying operation of the IMD in response to a downlink message received from the EMD; means for detecting the encoded DTMF tones generated by the EMD and for establishing a communication link between the EMD and the IMD; and uplink message means for communicating an uplink message from the IMD to the EMD. 39. The system of claim 38, wherein the message entry means further comprises means for entering a downlink message to be communicated to the IMD instructing the control means to provide a therapy. 40. The system of claim 38, wherein the message entry means further comprises means for entering a downlink message to be communicated to the IMD instructing the control means to communicate an uplink message comprising patient data. 41. The system of claim 38, wherein the message entry means further comprises means for entering a downlink message to be communicated to the lMD instructing the control means to measure a physiologic condition of the patient. 42. The system of claim 38, wherein the message entry means further comprises means for entering a downlink message to be communicated to the IMD instructing the control means to store the message and instructing the control mechanism to measure and store a physiologic condition of the patient for later uplink message transmission. 43. The system of claim 38, wherein the message entry means further comprises means for entering a downlink message to be communicated to the IMD instructing the control means to store the message for later uplink message transmission. 44. A method of communicating between an external medical device (EMD), and an implantable medical device (IMD) including means for delivering a therapy to a patient or monitoring a physiologic parameter of a patient and control means for modifying operation of the IMD in response to control instructions received from the EMD, the method comprising the steps of: generating encoded dual tone multiple frequency (DTMF) tones from the EMD; detecting the encoded DTMF tones by the IMD; and modifying the operation of the IMD responsive to received DTMF tone sequences, wherein the IMD and EMD further include a telemetry system and wherein modifying the operation of the IMD comprises modifying operation of the telemetry system responsive to received DTMF tone sequences. 45. The method of claim 44, wherein modifying the operation of the IMD comprises modifying operation of the means for delivering a therapy to a patient or monitoring a physiologic parameter responsive to received DTMF tone sequences. 46. The method of claim 44, wherein the IMD comprises an audio tone generator, and further comprising generating an audio tone or series of tones indicative of operation or status of the IMD. 47. The method of claim 44, wherein the IMD and EMD further include a telemetry system and wherein modifying the operation of the IMD comprises establishing a communication link between the EMD and the IMD in response to detection of the encoded DTMF tones by the IMD. 48. A system for communicating between an external medical device (EMD), and an implantable medical device (IMD) including means for delivering a th erapy to a patient or monitoring a physiologic parameter of a patient and control means for modifying operation of the IMD in response to control instructions received from the EMD, the system comprising: means for generating encoded dual tone multiple frequency (DTMF) tones from the EMD; means for detecting the encoded DTMF tones by the IMD; and means for modifying the operation of the IMD responsive to received DTMF tone sequences, wherein the IMD and EMD further include a telemetry system and wherein the means for modifying the operation of the IMD comprises means for modifying operation of the telemetry system responsive to received DTMF tone sequences. 49. The system of claim 48, wherein the means for modifying the operation of the IMD comprises means for modifying operation of the means for delivering a therapy to a patient or monitoring a physiologic parameter responsive to received DTMF tone sequences. 50. The system of claim 48, wherein the IMD comprises an audio tone generator for generating an audio tone or series of tones indicative of operation or status of the IMD. 51. The system of claim 48, wherein the IMD and EMD further include a telemetry system and wherein the means for modifying the operation of the IMD comprises means for establishing a communication link between the EMD and the IMD in response to detection of the encoded DTMF tones by the IMD.
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이 특허에 인용된 특허 (13)
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