Systems and methods for using a combustion dynamics tuning algorithm with a multi-can combustor
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-019/00
F02C-009/00
출원번호
UP-0768751
(2007-06-26)
등록번호
US-7620461
(2009-11-27)
발명자
/ 주소
Frederick, II, Garth
Farrell, Thomas Raymond
Healy, Timothy Andrew
Maters, John Carver
Thatcher, Jonathan Carl
출원인 / 주소
General Electric Company
대리인 / 주소
Sutherland Asbill & Brennan LLP
인용정보
피인용 횟수 :
40인용 특허 :
0
초록▼
Embodiments of the invention can provide systems and methods for using a combustion dynamics tuning algorithm with a multi-can combustor. According to one embodiment of the invention, a method for controlling a gas turbine engine with an engine model can be implemented for an engine comprising mult
Embodiments of the invention can provide systems and methods for using a combustion dynamics tuning algorithm with a multi-can combustor. According to one embodiment of the invention, a method for controlling a gas turbine engine with an engine model can be implemented for an engine comprising multiple cans. The method can include obtaining operating frequency information associated with multiple cans of the engine. In addition, the method can include determining variation between operating frequency information of at least two cans. Furthermore, the method can include determining a median value based at least in part on the variation. Moreover, the method can include inputting the median value to an engine model, wherein based at least in part on the median value, the engine model determines an engine control action. In addition, the method can include outputting a control command to implement the engine control action.
대표청구항▼
The claimed invention is: 1. A method for controlling a gas turbine engine with an engine model, the engine comprising multiple cans, the method comprising: obtaining operating frequency information associated with multiple cans of the engine; determining the operating frequency information of at l
The claimed invention is: 1. A method for controlling a gas turbine engine with an engine model, the engine comprising multiple cans, the method comprising: obtaining operating frequency information associated with multiple cans of the engine; determining the operating frequency information of at least two cans is within a predefined range; based at least in pan on the operating frequency information of the at least two cans, determining a median value; determining a median target based at least in part on a maximum to median dynamics ratio associated with the at least two cans; inputting the median value and median target to an engine model, wherein based at least in part on the median value and the median target, the engine model determines an engine control action; and outputting a control command to implement the engine control action. 2. The method of claim 1, wherein operating frequency information comprises dynamic operating pressures. 3. The method of claim 1, wherein the median value is based at least in part on a standard deviation and mean of at least a portion of the operating frequency information associated with the multiple cans. 4. The method of claim 1, wherein the median value is based at least in part on an engine dependent constant. 5. The method of claim 1, wherein the engine model comprises a combustion dynamic tuning algorithm model. 6. The method of claim 1, further comprising: inputting additional operating frequency information to the engine model to improve engine control. 7. The method of claim 1, wherein the method is performed by a computer. 8. A system for controlling a gas turbine engine with multiple cans, the system comprising: a plurality of sensors adapted to obtain operating frequency information associated with a respective can; a model adapted to receive information from the plurality of sensors, wherein the model is adapted to: determine the operating frequency information of at least two cans is within a predefined range; based at least in part on the operating frequency information of the at least two cans, determine a median value; determine a median target based at least in part on a maximum to median dynamics ratio associated with the at least two cans; and determine an output based at least in pan on the median value and median target; a controller adapted to determine an engine control action based at least in part on the output from the engine model, and further adapted to output a control command to implement the engine control action. 9. The system of claim 8, wherein operating frequency information comprises dynamic operating pressures. 10. The system of claim 8, wherein the median value is based at least in part on a standard deviation and mean of at least a portion of the frequency information associated with the multiple cans. 11. The system of claim 8, wherein the median value is based at least in part on an engine dependent constant. 12. The system of claim 8, wherein the model comprises a combustion dynamic tuning algorithm model. 13. The system of claim 8, wherein the model is further adapted to: receive additional operating frequency information to improve engine control. 14. The system of claim 8, wherein the model is implemented by a computer. 15. A system adapted to control a gas turbine engine with multiple cans, each can having at least one sensor, the control system comprising: at least one model adapted to estimate performance of a gas turbine engine; at least one estimator adapted to: determine a current state of the engine; initialize the at least one model with operating frequency information from the sensors, wherein: the operating frequency information of at least two cans is determined to be within a predefined range; based at least in part on the operating frequency information of the at least two cans, a median value is determined; and an output is determined based at least in part on a maximum to median dynamics ratio associated with the at least two cans; and at least one model-based control adapted to utilize the output from the at least one estimator and to provide at least one control command to the gas turbine engine. 16. The system of claim 15, wherein operating frequency information comprises dynamic pressures. 17. The system of claim 15, wherein the model comprises a combustion dynamic tuning algorithm model. 18. The system of claim 15, wherein the model is further adapted to input additional operating frequency information to the model-based control to improve engine control. 19. The system of claim 15, wherein the model is further adapted to iteratively repeat any number of steps to improve engine control. 20. The system of claim 15, wherein the model-based control is implemented by a computer.
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