Optimization method for power generation systems

• US 7,854,283 B2
• Filed: 01/13/2006
• Issued: 12/21/2010
• Est. Priority Date: 04/03/1998
• Status: Expired due to Fees

• Current Assignee: Rockwell Collins Control Technologies, Inc. (Raytheon Technologies Corporation d/b/a RTX)
• Original Assignee: Rockwell Collins Control Technologies, Inc. (Raytheon Technologies Corporation d/b/a RTX)
• Inventors: Russ, Benjamin, Vos, David W.
• Primary Examiner(s): Shriver, II; J. Allen
• Assistant Examiner(s): WALTERS, JOHN DANIEL
• Application Number:
  US11/331,276
• Publication Number:
  US 20060112688A1
• Time in Patent Office: 1,803 Days
• Field of Search: 180/65.1, 180/65.2, 180/65.3, 180/65.4, 180/65.6, 180/65.7, 180/65.28, 180/65.21, 180/65.265, 180/65.275, 180/65.31, 903/941, 903/942, 903/945
• US Class Current: 180/65.28
• CPC Class Codes: B60W 10/06 including control of combustion engines
• CPC Class Codes: B60W 10/08 including control of electric propulsion units, e.g. motors or generators
• CPC Class Codes: B60W 20/00 Control systems specially adapted for hybrid vehicles hybrid vehicle design, B60K6/00; electric vehicles B60L
• CPC Class Codes: B60W 20/11 using model predictive control [MPC] strategies, i.e. control methods based on models predicting performance utilising navigation and traffic information in the control strategy B60W20/12
• CPC Class Codes: B60W 2555/20 Ambient conditions, e.g. wind or rain
• CPC Class Codes: F02C 9/00 Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants controlling air intakes F02C7/057; controlling turbines F01D; controlling compressors F04D27/00; controlling in general G05
• CPC Class Codes: F02C 9/44 responsive to the speed of aircraft, e.g. Mach number control, optimisation of fuel consumption
• CPC Class Codes: F02C 9/48 Control of fuel supply conjointly with another control of the plant with nozzle section control F02K1/17
• CPC Class Codes: F02C 9/58 with control of a variable-pitch propeller
• CPC Class Codes: F02D 2200/0408 Estimation of intake manifold pressure
• CPC Class Codes: F02D 2200/704 Estimation of atmospheric pressure
• CPC Class Codes: F02D 29/02 peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
• CPC Class Codes: F02D 41/021 Introducing corrections for particular conditions exterior to the engine conjoint control of vehicle sub-units for propelling the vehicle B60W30/18
• CPC Class Codes: F03D 9/25 the apparatus being an electrical generator F03D9/22 takes precedence
• CPC Class Codes: F05B 2240/132 creating a vortex or tornado effect
• CPC Class Codes: F05B 2270/1031 Thrust
• CPC Class Codes: F05B 2270/1033 Power (if explicitly mentioned)
• CPC Class Codes: F05D 2270/051 Thrust
• CPC Class Codes: F05D 2270/053 Explicitly mentioned power
• CPC Class Codes: Y02T 10/62 Hybrid vehicles

Abstract

Apparatus for controlling the power output efficiency of a power generation system based on an operator input. A processor is coupled to the input means and (i) receives the generated operator command, (ii) receives a plurality of detected ambient air conditions, (iii) receives a plurality of detected engine performance parameters, (iv) determines first and second engine control commands based on the received pilot thrust command, the detected ambient environmental conditions, and the engine performance parameters, and (v) outputs control commands to optimize the efficiency of the power generation system.

Claims

1. A vehicle with a single input power control, comprising:

an input device configured to generate an output power command for an engine; and

a processor operably associated with the input device, wherein the processor is configured to

receive the output power command, a signal indicative of an ambient air condition, and a power source performance parameter,

determine first and second power source control commands for the engine based on the output power command, the signal indicative of an ambient air condition, and the power source performance parameter, and

output signals corresponding to the power source control commands,

wherein the first power source control command comprises a power source speed command, and

wherein the processor is configured to access plural sets of first and second power source control commands yielding a highest output power of the engine based on previous sets of ambient air conditions and output power commands, and select a set of first and second power source control commands for the engine corresponding to the signal indicative of an ambient air condition and the output power command.

2. The vehicle of claim 1, wherein the ambient air condition comprises at least one of air pressure, temperature, humidity, and density.

3. The vehicle of claim 1, wherein the second power source control command comprises a power source output command.

4. The vehicle of claim 3, wherein the power source output command comprises at least one of a manifold air pressure command and a fuel delivery command.

5. The vehicle of claim 1, wherein the power source speed command comprises a transmission speed command.

6. The vehicle of claim 1, wherein the power source performance parameter comprises at least one of vehicle speed and manifold air pressure.

7. The vehicle of claim 1, wherein the processor is configured to store the plural sets of first and second power source control commands yielding a highest output power based on previous sets of ambient air conditions and output power commands.

8. The vehicle of claim 1, wherein the vehicle comprises one of a hybrid electric vehicle, a fuel-cell powered vehicle, and a battery-powered vehicle.

9. The vehicle of claim 8, wherein the vehicle comprises a hybrid electric vehicle comprising a power generation system comprising a power source, an electric generator, and a transmission operably associated with the electric generator and the power source.

10. The vehicle of claim 9, wherein the single input power control is configured to improve efficiency of the power generation system via controlling at least one of power source speed, power source output, electric generator speed, and electric generator load.

11. The vehicle of claim 9, wherein the transmission comprises a variable speed transmission, and the single input power control is configured to improve efficiency of the power generation system via control of the variable speed transmission.

12. The vehicle of claim 9, wherein the power source comprises at least one of an internal combustion engine and a high speed turbine engine.

13. A hybrid electric vehicle with a single input power control, comprising:

an electric generator operably associated with an engine; and

an input device configured to generate an output power command for the engine; and

a processor operably associated with the input device, wherein the processor is configured to

receive the output power command, a signal indicative of an ambient air condition, and a power source performance parameter,

determine first and second power source control commands based on the output power command, the signal indicative of an ambient air condition, and the power source performance parameter, and

output signals corresponding to the power source control commands,

wherein the first power source control command comprises a power source speed command,

wherein the processor is configured to access plural sets of first and second power source control commands yielding a highest power output based on previous sets of ambient air conditions and power output commands, and select a set of first and second power source control commands for the engine corresponding to the signal indicative of an ambient air condition and the power output command.

14. The vehicle of claim 13, wherein the ambient air condition comprises at least one of air pressure, temperature, humidity, and density.

15. The vehicle of claim 13, wherein the second power source control command comprises a power source output command.

16. The vehicle of claim 15, wherein the power source output command comprises at least one of a manifold air pressure command and a fuel delivery command.

17. The vehicle of claim 13, wherein the power source speed command comprises a transmission speed command.

18. The vehicle of claim 13, wherein the power source performance parameter comprises at least one of vehicle speed and manifold air pressure.

19. The vehicle of claim 13, wherein the processor is configured to store the plural sets of first and second power source control commands yielding a highest power output based on previous sets of ambient air conditions and power output commands.

20. The vehicle of claim 19, further comprising a power generation system comprising the electric generator and a transmission operably associated with the electric generator and a power source.

21. The vehicle of claim 20, wherein the single input power control is configured to improve efficiency of the power generation system via controlling at least one of power source speed, power source output, electric generator speed, and electric generator load.

22. The vehicle of claim 20, wherein the transmission comprises a variable speed transmission, and the single input power control is configured to improve efficiency of the power generation system via control of the variable speed transmission.

23. A method for increasing efficiency of a vehicle via a single input power control, the vehicle comprising a power generation system comprising an engine, the method comprising:

determining first and second power source control commands for the engine based on

an output power command from an input device,

a signal indicative of an ambient air condition, and

a power source performance parameter, wherein the first power source control command comprises a power source speed command;

outputting first and second signals corresponding to the first and second power source control commands; and

controlling operation of at least the engine via the first and second power source control commands to increase the efficiency of the power generation system,

wherein controlling operation of at least the engine comprises accessing plural sets of first and second power source control commands yielding a highest power output based on previous sets of ambient air conditions and power output commands, and selecting a set of first and second power source control commands for the engine corresponding to the signal indicative of an ambient air condition and the power output command.

24. A vehicle with a single input power control, comprising:

an input device configured to generate an output power command for an engine; and

a processor operably associated with the input device, wherein the processor is configured to

receive the output power command, a signal indicative of an ambient air condition, and a power source performance parameter,

determine first and second power source control commands for the engine based on the output power command, the signal indicative of an ambient air condition, and the power source performance parameter, and

output signals corresponding to the power source control commands,

wherein the first power source control command comprises a power source speed command, and the second power source control command comprises a power source output command, and

wherein the processor is configured to access plural sets of first and second power source control commands yielding a highest output power of the engine based on previous sets of ambient air conditions and output power commands, and select a set of first and second power source control commands for the engine corresponding to the signal indicative of an ambient air condition and the output power command.

25. The vehicle of claim 24, wherein the ambient air condition comprises at least one of air pressure, temperature, humidity, and density.

26. The vehicle of claim 24, wherein the power source speed command comprises a transmission speed command.

27. The vehicle of claim 24, wherein the power source output command comprises at least one of a manifold air pressure command and a fuel delivery command.

28. The vehicle of claim 24, wherein the power source performance parameter comprises vehicle speed.

29. The vehicle of claim 24, wherein the power source performance parameter comprises manifold air pressure.

30. The vehicle of claim 24, wherein the processor is configured to store the plural sets of first and second power source control commands yielding a highest output power based on previous sets of ambient air conditions and output power commands.

31. The vehicle of claim 24, wherein the vehicle comprises one of a hybrid electric vehicle, a fuel-cell powered vehicle, and a battery-powered vehicle.

32. The vehicle of claim 31, wherein the vehicle comprises a hybrid electric vehicle comprising a power generation system comprising an engine, an electric generator, and a transmission operably associated with the electric generator and the engine.

33. The vehicle of claim 32, wherein the single input power control is configured to improve efficiency of the power generation system via controlling at least one of power source speed, power source output, electric generator speed, and electric generator load.

34. The vehicle of claim 32, wherein the transmission comprises a variable speed transmission, and the single input power control is configured to improve efficiency of the power generation system via control of the variable speed transmission.

35. The vehicle of claim 32, wherein the engine comprises at least one of an internal combustion engine and a high speed turbine engine.

36. A hybrid electric vehicle with a single input power control, comprising:

an electric generator operably associated with an engine;

an input device configured to generate an output power command for the engine; and

a processor operably associated with the input device, wherein the processor is configured to

receive the output power command, a signal indicative of an ambient air condition, and a power source performance parameter,

determine first and second power source control commands for the engine based on the output power command, the signal indicative of an ambient air condition, and the power source performance parameter, and

output signals corresponding to the power source control commands,

wherein the first power source control command comprises a power source speed command, and the second power source control command comprises a power source output command, and

wherein the processor is configured to access plural sets of first and second power source control commands yielding a highest output power of the engine based on previous sets of ambient air conditions and output power commands, and select a set of first and second power source control commands for the engine corresponding to the signal indicative of an ambient air condition and the output power command.

37. The vehicle of claim 36, wherein the ambient air condition comprises at least one of air pressure, temperature, humidity, and density.

38. The vehicle of claim 36, wherein the power source speed command comprises a transmission speed command.

39. The vehicle of claim 36, wherein the power source output command comprises at least one of a manifold air pressure command and a fuel delivery command.

40. The vehicle of claim 36, wherein the power source performance parameter comprises vehicle speed.

41. The vehicle of claim 36, wherein the power source performance parameter comprises manifold air pressure.

42. The vehicle of claim 36, wherein the processor is configured to store the plural sets of first and second power source control commands yielding a highest power output based on previous sets of ambient air conditions and power output commands.

43. The vehicle of claim 36, further comprising a power generation system comprising the electric generator and a transmission operably associated with the electric generator and an engine.

44. The vehicle of claim 43, wherein the single input power control is configured to improve efficiency of the power generation system via controlling at least one of power source speed, power source output, electric generator speed, and electric generator load.

45. The vehicle of claim 43, wherein the transmission comprises a variable speed transmission, and the single input power control is configured to improve efficiency of the power generation system via control of the variable speed transmission.

46. A method for increasing efficiency of a vehicle via a single input power control for a power generation system of a power source for the vehicle, the method comprising:

determining first and second power source control commands for an engine based on

an output power command from an input device,

a signal indicative of an ambient air condition, and

a power source performance parameter;

outputting first and second signals corresponding to the first and second power source control commands; and

controlling operation of at least the power source via the first and second power source control commands to increase the efficiency of the power generation system,

wherein the first power source control command comprises a power source speed command, and the second power source control command comprises a power source output command, and

wherein controlling operation of the power source comprises accessing plural sets of first and second power source control commands yielding a highest power output based on previous sets of ambient air conditions and power output commands, and selecting a set of first and second power source control commands corresponding to the signal indicative of an ambient air condition and the power output command.