초록 ▼

A method for assembling a gas turbine engine is described. The method includes coupling a first fuel system interface (FSI-1) to a second fuel system interface (FSI-2), and coupling one of the FSI-1 and the FSI-2 to the engine. The method includes coupling a first control system and a second control

A method for assembling a gas turbine engine is described. The method includes coupling a first fuel system interface (FSI-1) to a second fuel system interface (FSI-2), and coupling one of the FSI-1 and the FSI-2 to the engine. The method includes coupling a first control system and a second control system to the FSI-1 and to the FSI-2. The first control system includes a first driver A and a second driver A, and the second control system includes a first driver B and a second driver B. The method includes configuring the first control system and the second control system to apply a first over-speed logic algorithm and a second over-speed logic algorithm to determine operation of the first driver A, the second driver A, the first driver B, and the second driver B.

대표청구항 ▼

1. A method for assembling a gas turbine engine, said method comprising: coupling a first fuel system interface (FSI-1) to a second fuel system interface (FSI-2);coupling one of the FSI-1 and the FSI-2 to the gas turbine engine;coupling a first control system to the FSI-1 and to the FSI-2, wherein t

1. A method for assembling a gas turbine engine, said method comprising: coupling a first fuel system interface (FSI-1) to a second fuel system interface (FSI-2);coupling one of the FSI-1 and the FSI-2 to the gas turbine engine;coupling a first control system to the FSI-1 and to the FSI-2, wherein the first control system includes a first driver A and a second driver A;coupling a second control system to the FSI-1 and to the FSI-2, wherein the second control system includes a first driver B and a second driver B;configuring the first control system to apply a first over-speed logic algorithm to determine operation of at least one of the first driver A, the second driver A, the first driver B, and the second driver B, and to apply a second over-speed logic algorithm to determine operation of at least one of the first driver A, the second driver A, the first driver B, and the second driver B, wherein the first over-speed logic algorithm applies different methodologies, calculations, and over-speed thresholds than the second over-speed logic algorithm; andconfiguring the second control system to apply the first over-speed logic algorithm to determine operation of at least one of the first driver A, the second driver A, the first driver B, and the second driver B, and to apply the second over-speed logic algorithm to determine operation of at least one of the first driver A, the second driver A, the first driver B, and the second driver B. 2. A method in accordance with claim 1, wherein configuring the first control system comprises configuring the first control system to apply the first over-speed logic algorithm to determine operation of the first driver A and to apply the second over-speed logic algorithm to determine operation of the second driver A. 3. A method in accordance with claim 1, wherein configuring the second control system comprises configuring the second control system to apply the first over-speed logic algorithm to determine operation of the first driver B and to apply the second over-speed logic algorithm to determine operation of the second driver B. 4. A method in accordance with claim 1, wherein coupling one of the FSI-1 and the FSI-2 to the gas turbine engine comprises coupling one of the FSI-1 and the FSI-2 to a fuel throttling/shutoff valve configured to discontinue fuel flow to a combustor of the gas turbine engine upon receipt of an over-speed signal from the FSI-1 and the FSI-2. 5. A method in accordance with claim 1, further comprising configuring a first set of logic sensors to collect operating information from the engine, and a second set of logic sensors that are independent from the first set of logic sensors, to collect operating information from the engine. 6. A method in accordance with claim 5, further comprising configuring the first control system to receive engine operating information from at least one of the first set of logic sensors and the second set of logic sensors, and configuring the second control system to receive engine operating information from at least one of the first set of logic sensors and the second set of logic sensors. 7. A method in accordance with claim 1, further comprising configuring the first over-speed logic algorithm to apply at least one of a first over-speed threshold and a first set of over-speed calculations, to determine operation of at least one of the first driver A, the second driver A, the first driver B, and the second driver B. 8. A method in accordance with claim 1, further comprising configuring the second over-speed logic algorithm to apply at least one of a second over-speed threshold and a second set of over-speed calculations, to determine operation of at least one of the first driver A, the second driver A, the first driver B, and the second driver B. 9. A method in accordance with claim 1, wherein said first driver A is a different type of driver than said second driver A and said first driver B is a different type of driver than said second driver B, where the type of driver is defined by at least one of logic and outputs. 10. An over-speed protection system for a gas turbine engine including a rotor, said over-speed protection system comprising: a fuel throttling/shutoff valve coupled to a fuel supply coupled to said gas turbine engine;a first fuel system interface (FSI-1) coupled to said fuel throttling/shutoff valve;a second fuel system interface (FSI-2) coupled to said FSI-1;a first control system coupled to said FSI-1 and to said FSI-2, said first control system comprising a first driver A and a second driver A, said first control system programmed with a first logic algorithm and a second logic algorithm, wherein the first logic algorithm applies different methodologies, calculations, and over-speed thresholds than the second logic algorithm; anda second control system coupled to said FSI-1 and said FSI-2, said second control system comprising a first driver B and a second driver B, said second control system programmed with the first logic algorithm and the second logic algorithm. 11. A system in accordance with claim 10, wherein said fuel throttling/shutoff valve is configured to discontinue fuel flow to said gas turbine engine upon receipt of an over-speed signal from said FSI-1 and said FSI-2. 12. A system in accordance with claim 10, wherein said first control system is configured to determine operation of said first driver A using the first logic algorithm, and to determine operation of said second driver A using the second logic algorithm. 13. A system in accordance with claim 10, wherein said second control system is configured to determine operation of said first driver B using the first logic algorithm, and to determine operation of said second driver B using the second logic algorithm. 14. A system in accordance with claim 10, wherein said FSI-1 comprises a servovalve coupled to a shutoff shuttle valve. 15. A system in accordance with claim 14, wherein said servovalve comprises an electro-hydraulic servovalve (EHSV). 16. A system in accordance with claim 10, wherein said FSI-2 comprises a servovalve coupled to a shutoff shuttle valve. 17. A system in accordance with claim 16, wherein said servovalve comprises an electro-hydraulic servovalve (EHSV). 18. A system in accordance with claim 10, wherein said first driver A is a different type of driver than said second driver A and said first driver B is a different type of driver than said second driver B, where the type of driver is defined by at least one of logic and outputs. 19. A gas turbine engine comprising: a rotor;a fuel delivery system configured to supply fuel to said engine for operating said rotor;an over-speed protection system coupled to said fuel delivery system, said over-speed protection system comprising:a fuel throttling/shutoff valve coupled to said fuel delivery system;a first fuel system interface (FSI-1) coupled to said fuel throttling/shutoff valve;a second fuel system interface (FSI-2) coupled to said FSI-1;a first control system coupled to said FSI-1 and to said FSI-2, said first control system comprising a first driver A and a second driver A, said first control system programmed with a first logic algorithm and a second logic algorithm, wherein the first logic algorithm applies different methodologies, calculations, and over-speed thresholds than the second logic algorithm; anda second control system coupled to said FSI-1 and said FSI-2, said second control system comprising a first driver B and a second driver B, said second control system programmed with the first logic algorithm and the second logic algorithm. 20. An engine in accordance with claim 19, wherein said fuel throttling/shutoff valve is configured to discontinue fuel flow to said gas turbine engine upon receipt of an over-speed signal from said FSI-1 and said FSI-2. 21. An engine in accordance with claim 19, said first control system configured to determine operation of said first driver A using the first logic algorithm, and to determine operation of said second driver A using the second logic algorithm. 22. An engine in accordance with claim 19, said second control system configured to determine operation of said first driver B using the first logic algorithm, and to determine operation of said second driver B using the second logic algorithm. 23. An engine in accordance with claim 19, wherein said first driver A is a different type of driver than said second driver A and said first driver B is a different type of driver than said second driver B, where the type of driver is defined by at least one of logic and outputs.