Method for controlling a powered system

• US 8,534,199 B2
• Filed: 01/05/2011
• Issued: 09/17/2013
• Est. Priority Date: 03/27/2001
• Status: Expired due to Term

• Current Assignee: GE Global Sourcing LLC (Westinghouse Air Brake Technologies Corporation)
• Original Assignee: General Electric Company
• Inventors: Kumar, Ajith Kuttannair, Daum, Wolfgang
• Primary Examiner(s): MCCARRY JR, ROBERT J
• Application Number:
  US12/984,792
• Publication Number:
  US 20110106401A1
• Time in Patent Office: 986 Days
• Field of Search: 105/26.05, 105/27, 246/167.R, 246/182.R, 246/186, 246/187.C
• US Class Current: 105/27
• CPC Class Codes: B61L 15/0058 On-board optimisation of vehicle or vehicle train operation
• CPC Class Codes: F02D 2041/1417 Kalman filter
• CPC Class Codes: F02D 2200/604 Engine control mode selected by driver, e.g. to manually start particle filter regeneration or to select driving style
• CPC Class Codes: F02D 2200/701 Information about vehicle position, e.g. from navigation system or GPS signal
• CPC Class Codes: F02D 29/06 peculiar to engines driving electric generators
• CPC Class Codes: F02D 41/0025 Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
• 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: Y02T 10/30 Use of alternative fuels, e.g. biofuels

Abstract

A method is provided for controlling a powered system including an engine operating on a plurality of fuel types. The method includes generating operational input signals from operational input devices, and generating a respective configuration signal indicative of a particular location of the powered system along a predetermined course comprising a mission. Additionally, based on the operational input signals, the configuration signal, and a respective engine emission profile for each of said configuration signal, the method includes generating control signals to a plurality of end use devices of the powered system to limit one or more of the total engine emissions of the fuel types, the total fuel efficiency of the fuel types, the total output power of the engine, a time of arrival of the powered system along the predetermined course, and/or a combination thereof.

Claims

1. A method comprising:

generating operational input signals from one or more operational input devices;

generating one or more different configuration signals indicative of respective locations of a powered system traveling along a predetermined course and having an engine configured to operate on plural different fuels, the different configuration signals associated with different respective engine emission profiles; and

based on the one or more configuration signals, generating control signals to one or more end use devices of the powered system to direct which of plural different fuels are to be supplied to the engine in order to control at least one of engine emissions generated by the engine of the powered system when consuming one or more of the plural different fuels, a fuel efficiency of the engine of the powered system when consuming one or more of the plural different fuels, an output power of the engine, a time of arrival of the powered system at a designated location along the predetermined course, or a combination thereof;

wherein the one or more end use devices control which of the different fuels is supplied to the engine based on the one or more configuration signals.

2. The method according to claim 1, wherein the fuel efficiency of the engine is controlled while maintaining the engine emissions at a designated level.

3. The method according to claim 1, wherein the control signals are generated by determining a weighted sum of the different fuels to be supplied to the engine, the weighted sum having weighted coefficients associated with two or more of the different fuels to reflect relative amounts of the different fuels to be supplied to the engine.

4. The method according to claim 3, wherein the control signals are generated by determining the weighted coefficients of the different fuels based on the location of the powered system.

5. The method according to claim 4, wherein the operational input signals are indicative of an available amount of one or more of the fuels.

6. The method according to claim 1, wherein generating the operational input signals includes determining the location of the powered system from at least one of a global positioning system device, at least one wayside device including a transponder, an axle counter, an axle speed sensor, a wireless system including a radio transmitter, a leaky coax, a slotted waveguide, a Doppler radar sensor, at least one imaging device for performing image recognition on at least one of a mile marker or a landmark along the predetermined course, or at least one operator for manually recognizing at least one of a mile marker or a landmark along the predetermined course.

7. The method according to claim 1, wherein generating the one or more different configuration signals includes receiving a manually input configuration signal upon the powered system entering a designated geographic region to adapt operations of the powered system during at least one of a manufacturing time, a shipping time, a configuration time, or a subsequent time upon arriving at the designated geographical region.

8. The method according to claim 1, wherein the operational input signals comprise flowrate signals indicative of volumes of the respective different fuels.

9. The method according to claim 1, wherein the powered system travels between a first location and a second location along the predetermined course;

wherein upon reaching the first location, a first set of the control signals is generated that includes a first set of valve signals, the first set of valve signals configured to control fuel tanks storing the different fuels in order to limit the engine emissions to a first engine emission profile of the engine emission profiles that is associated with the first location; and

wherein upon reaching the second location, a second set of the control signals is generated that includes a second set of valve signals, the second set of valve signals configured to control the fuel tanks in order to limit the engine emissions to a different, second engine emission profile of the engine emission profiles that is associated with the second location.

10. The method of claim 1, wherein the time of arrival of the powered system along at the designated location along the predetermined course is controlled while maintaining the engine emissions and the fuel efficiency at a designated level.

11. The method of claim 1, wherein the end use devices include plural fuel tanks holding the respective different fuels, and wherein the control signals that are generated direct the at least one fuel delivery system to control how much of one or more of the different fuels is supplied to the engine based on the one or more configuration signals.

12. The method of claim 11, wherein the different engine emission profiles represent limits on allowable amounts of emissions generated by the powered system when the powered system is disposed within the different locations associated with the respective configuration signals, and wherein the control signals that are generated direct the at least one fuel delivery system to change which of the different fuels are supplied to the engine when the powered system is disposed within the different locations associated with the different engine emission profiles to limit emissions generated by the powered system to within the allowable amounts of emissions that are limited by the engine emission profiles.

13. The method of claim 1, wherein the different fuels include at least a first fuel stored in a first fuel tank and a different, second fuel stored in a different, second fuel tank, and wherein the control signals that are generated direct the one or more end use devices to separately control how much of the first fuel is supplied from the first fuel tank to the engine of the powered system and how much of the second fuel is separately supplied from the second fuel tank to the engine.

14. The method of claim 13, wherein the control signals that are generated separately control a first flow of the first fuel supplied from the first fuel tank and a second flow of the second fuel that is concurrently supplied from the second fuel tank.

15. The method of claim 13, wherein, when the powered system is disposed within a first location associated with a first emissions profile, the control signals are generated to cause the one or more end use devices to supply a first amount of the first fuel from the first fuel tank and to supply a second amount of the second fuel from the second fuel tank and,

when the powered system moves to another, different second location associated with a different, second emissions profile, the control signals are generated to cause the one or more end use devices to increase supply of the first fuel from the first fuel tank to a third amount that is greater than the first amount of the first fuel and to decrease supply of the second fuel from the second fuel tank to a fourth amount that is smaller than the second amount of the second fuel.

16. A system comprising:

an operational input device configured to generate input signals indicative of locations of a vehicle as the vehicle travels along a route;

one or more processors configured to receive the input signal and to generate configuration signals based on the locations of the vehicle, the configuration signals representative of one or more different emissions profiles associated with different geographic areas, the different emissions profiles designating different limitations on allowable amounts of emissions that are generated for the respective different geographic areas; and

plural end use devices configured to control supply of plural respective different fuels to an engine of the vehicle in order to power the vehicle, wherein amounts of the respective different fuels that are supplied by the respective end use devices to the engine are controlled based on the configuration signals in order to limit actual emissions generated by the vehicle to within the limitations on the allowable amounts of emissions designated by the emissions profile associated with the geographic location in which the vehicle is located.

17. The system of claim 16, wherein the one or more processors are configured to receive the input signal and automatically generate the configuration signals as the vehicle travels along the route to automatically update the emissions profile that limits the allowable amounts of emissions generated by the vehicle as the vehicle moves along the route and between the different geographic areas.

18. The system of claim 16, wherein the one or more processors are configured to generate one or more of the configuration signals that direct the end use devices to change which of the fuels is supplied to the engine to power the vehicle based on which of the different geographic areas that the vehicle is within.

19. The system of claim 16, wherein the one or more processors are configured to generate one or more of the configuration signals that direct the end use devices to change a mixture of two or more of the different fuels that is supplied to the engine to power the vehicle based on which of the different geographic areas that the vehicle is within.

20. The system of claim 16, wherein the different fuels include at least a first fuel stored in a first fuel tank and a different, second fuel stored in a different, second fuel tank, and wherein the one or more processors are configured to generate the configuration signals such that the one or more end use devices are directed to separately control how much of the first fuel is supplied from the first fuel tank to the engine of the powered system and how much of the second fuel is separately supplied from the second fuel tank to the engine.

21. The system of claim 20, wherein the one or more processors are configured to generate the configuration signals to direct the one or more end use devices to separately control a first flow of the first fuel supplied from the first fuel tank and a second flow of the second fuel that is concurrently supplied from the second fuel tank.

22. The system of claim 20, wherein, when the powered system is disposed within a first location associated with a first emissions profile, the one or more processors generate the configuration signals to direct the one or more end use devices to supply a first amount of the first fuel from the first fuel tank and to supply a second amount of the second fuel from the second fuel tank and,

when the powered system moves to another, different second location associated with a different, second emissions profile, the one or more processors generate the configuration signals to direct the one or more end use devices to increase supply of the first fuel from the first fuel tank to a third amount that is greater than the first amount of the first fuel and to decrease supply of the second fuel from the second fuel tank to a fourth amount that is smaller than the second amount of the second fuel.

23. A method comprising:

receiving input signals indicative of locations of a vehicle as the vehicle travels along a route;

generating configuration signals based on the locations of the vehicle, the configuration signals representative of one or more different emissions profiles associated with different geographic areas, the different emissions profiles designating different limitations on allowable amounts of emissions that are generated for the respective different geographic areas; and

controlling supply of plural respective different fuels to an engine of the vehicle in order to power the vehicle, wherein amounts of the respective different fuels that are supplied to the engine are controlled based on the configuration signals in order to limit actual emissions generated by the vehicle to within the limitations on the allowable amounts of emissions designated by the emissions profile associated with the geographic location in which the vehicle is located.

24. The method of claim 23, wherein the configuration signals are automatically generated as the vehicle travels along the route to automatically update the emissions profile that limits the allowable amounts of emissions generated by the vehicle as the vehicle moves along the route and between the different geographic areas.

25. The method of claim 23, wherein one or more of the configuration signals are generated to direct the end use devices to change which of the fuels is supplied to the engine to power the vehicle based on which of the different geographic areas that the vehicle is within.

26. The method of claim 23, wherein one or more of the configuration signals are generated to direct the end use devices to change a mixture of two or more of the different fuels that is supplied to the engine to power the vehicle based on which of the different geographic areas that the vehicle is within.

27. The method of claim 23, wherein the different fuels include at least a first fuel stored in a first fuel tank and a different, second fuel stored in a different, second fuel tank, and wherein controlling the supply of the different fuels comprises separately controlling how much of the first fuel is supplied from the first fuel tank to the engine of the powered system and how much of the second fuel is separately supplied from the second fuel tank to the engine.

28. The method of claim 27, wherein controlling the supply of the different fuels includes separately controlling a first flow of the first fuel supplied from the first fuel tank and a second flow of the second fuel that is concurrently supplied from the second fuel tank.

29. The method of claim 27, wherein, when the powered system is disposed within a first location associated with a first emissions profile, controlling the supply of the different fuels includes supplying a first amount of the first fuel from the first fuel tank and supplying a second amount of the second fuel from the second fuel tank and,

when the powered system moves to another, different second location associated with a different, second emissions profile, supply of the first fuel from the first fuel tank is increased to a third amount that is greater than the first amount of the first fuel and supply of the second fuel from the second fuel tank is decreased to a fourth amount that is smaller than the second amount of the second fuel.

30. A method comprising:

generating operational input signals from one or more operational input devices;

generating one or more different configuration signals indicative of respective locations of a powered system traveling along a predetermined course and having an engine configured to operate on plural different fuels, the different configuration signals associated with different respective engine emission profiles; and

based on the one or more configuration signals, generating control signals to one or more end use devices of the powered system to direct which of plural different fuels are to be supplied to the engine in order to control engine emissions generated by the engine of the powered system when consuming one or more of the plural different fuels, the control signals including a first set of valve signals configured to control fuel tanks storing the different fuels in order to limit the engine emissions to a first engine emission profile associated with a first location of the powered system and a second set of valve signals configured to control the fuel tanks in order to limit the engine emissions to a different, second engine emission profile that is associated with a different, second location of the powered system,

wherein the one or more end use devices control which of the different fuels is supplied to the engine based on the one or more configuration signals.