System and method for managing emissions from diesel powered systems

• US 7,882,789 B2
• Filed: 03/01/2007
• Issued: 02/08/2011
• Est. Priority Date: 03/27/2001
• Status: Expired due to Fees

• Current Assignee: GE Global Sourcing LLC (Westinghouse Air Brake Technologies Corporation)
• Original Assignee: General Electric Company
• Inventors: Daum, Wolfgang, Kumar, Ajith Kuttannair
• Primary Examiner(s): Morano; S. Joseph
• Assistant Examiner(s): McCarry, Jr.; Robert J
• Application Number:
  US11/680,706
• Publication Number:
  US 20070137514A1
• Time in Patent Office: 1,440 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 configurable diesel powered system is provided for controlling engine emissions of a diesel-fueled power generating unit. The diesel-fueled power generating unit includes an engine operating on at least one fuel type. The system includes a plurality of operational input devices coupled with a processor to generate operational input signals to the processor. A plurality of end use devices include fuel tanks for each respective fuel type and are controlled by the processor to control the engine emissions. A configuration input device in communication with the processor generates a respective configuration signal for each particular location along the predetermined course comprising a mission. The processor is responsive to the operational input devices and configuration signals to generate a set of control signals to the fuel tanks to limit the total engine emissions of all fuel types to a respective stored engine emission profile for each configuration signal for each particular location along the predetermined course comprising the mission.

Claims

1. A configurable powered system for controlling engine emissions of a power generating unit, said power generating unit including an engine operating on a plurality of fuel types, said system comprising:

a processor carried on the power generating unit;

a plurality of operational input devices for a respective fuel tank for said plurality of fuel types, said operational input devices being coupled to said processor;

a plurality of end use devices including said plurality of fuel tanks for said plurality of fuel types on the power generating unit controlled by the processor;

a configuration input device in communication with the processor for generating a respective configuration signal indicative of each of a particular location of the power generating unit along a predetermined course comprising a mission; and

wherein said processor is responsive to said operational input devices and configuration signals for generating at least one set of control signals to said end use devices to limit at least one of the total engine emissions of said plurality of fuel types, the total fuel efficiency of said plurality of fuel types, the total output power of said engine, a time of arrival for said power generating unit over said predetermined course, and a combination thereof, to a respective stored engine emission profile, stored engine efficiency profile, stored output power profile, and time of arrival restriction for each configuration signal indicative of each particular location of said power generating unit along said predetermined course comprising said mission.

2. The configurable powered system for controlling engine emissions of a power generating unit according to claim 1,

wherein said limiting of the total fuel efficiency of said plurality of fuel types and the total power output of said engine is performed while maintaining said engine emissions at a constant level;

and wherein said limiting of the time of arrival for said power generating unit over said predetermined course is performed while maintaining said engine emissions and said fuel efficiency at constant levels.

3. The configurable powered system according to claim 1, wherein the power generating unit comprises one of an off-highway vehicle, a locomotive and a marine vehicle.

4. The configurable powered system according to claim 1, wherein the power generating unit comprises at least one locomotive powered by at least one internal combustion engine.

5. The configurable powered system according to claim 1, wherein the powered system comprises a marine vehicle, and wherein the power generating unit comprises at least one internal combustion engine.

6. The configurable powered system according to claim 1, wherein the powered system comprises an off-highway vehicle, and wherein the power generating unit comprises at least one internal combustion engine.

7. The configurable powered system according to claim 1, wherein the powered system comprises a stationary power generating station, and wherein the power generating unit comprises at least one internal combustion engine.

8. The configurable powered system according to claim 1, wherein the powered system comprises a network of stationary power generating stations, and wherein the power generating unit comprises at least one internal combustion engine.

9. The configurable powered system for controlling engine emissions of a power generating unit according to claim 1, further comprising:

a memory coupled with said processor for storing at least one of said respective engine emission profile, stored engine efficiency profile, stored output power profile, and time of arrival restriction for each of said configuration signal indicative of said particular location of said power generating unit along said predetermined course comprising said mission;

wherein each operational input device is coupled with the processor for generating operational input signals for transmission to the processor;

and wherein said processor is responsive to said operational input signals, configuration signals, and said memory for generating said at least one set of control signals to said end use devices.

10. The configurable powered system for controlling engine emissions of a power generating unit according to claim 1, further comprising:

a remote processor in wireless communication with said processor for transmitting mission information for said power generating unit to said processor, said mission information comprising said respective configuration signal for each particular location of the power generating unit along the predetermined course comprising said mission;

wherein upon transmitting said mission information for said power generating unit to said processor, said mission information is stored in a memory coupled to said processor;

and wherein at each particular location of said power generating unit along said predetermined course, said processor is responsive to each operational input device, and a respective configuration signal from said memory for said particular location, for generating at least one set of control signals to each end use device to limit the total engine emissions of said plurality of fuel types to a respective stored engine emission profile.

11. The configurable powered system for controlling engine emissions of a power generating unit according to claim 1, wherein said processor includes a memory for storing one of health status information of said engine and the time duration since a most recent engine service, wherein each operational input device communicate an engine wear factor of each respective fuel type to said processor, and wherein said processor generates said at least one set of control signals to each end use device to maintain a minimum health status of said engine based upon the engine wear factor of each respective fuel type.

12. The configurable powered system for controlling engine emissions of a power generating unit according to claim 1, wherein upon each end use device receiving said at least one set of control signals to limit the total engine emissions of said plurality of fuel types, at least one mechanical lever proximate to each end use device controls the flow of said plurality of fuel types to said engine to limit the total engine emissions of said plurality of fuel types to a respective stored engine emission profile for each configuration signal indicative of each particular location of said power generating unit along said predetermined course comprising said mission.

13. The configurable powered system for controlling engine emissions of a power generating unit according to claim 1, wherein each operational input device include sensors, and wherein said configuration signal is different from the operational signals for transmission to the processor.

14. The configurable powered system according to claim 13, wherein said plurality of fuel tanks for said plurality of fuel types comprises a respective fuel tank for each fuel type.

15. The configurable powered system according to claim 13, wherein said total engine emissions of said plurality of fuel types is a weighted sum with weighted coefficients for each respective engine emission of each respective fuel type.

16. The configurable powered system according to claim 15, wherein said processor generates said at least one set of control signals based upon said weighted coefficients.

17. The configurable powered system according to claim 16, wherein said weighted coefficients for each respective fuel type are based upon each respective engine emission profile at each particular location and said operational input signals indicative of the availability of each fuel type, such that said total engine emissions are limited to said stored engine emission profile for each configuration signal and particular location of said locomotive.

18. The configurable powered system according to claim 13, wherein said configuration input device is a position determining device.

19. The configurable powered system according to claim 18, wherein said position determining device is one of an automatic device including a GPS device, at least one wayside device including a transponder, an axle counter, an axle speed sensor, a wireless system including a radio transmitter, leaky coax, a slotted waveguide, and doppler radar, at least one imaging device for performing image recognition, and at least one operator for manually recognizing at least one of a mile marker and landmark along said predetermined course comprising said mission.

20. The configurable powered system according to claim 18, wherein said position determining device is a manual device including an operator panel for manually inputting a particular configuration signal upon the locomotive entering a particular region.

21. The configurable powered system according to claim 13, further comprising an emission parameter monitor coupled to the processor to monitor values of an emission parameter of the locomotive indicative of said total engine emissions of said plurality of fuel types, said processor for sending at least one secondary control signal to said end use devices in response to said emission parameter values to limit the total engine emissions of said plurality of fuel types to the stored engine emission profile for each configuration signal indicative of each particular location of said locomotive along said locomotive track.

22. The configurable powered system according to claim 18, wherein for stationary applications, upon commissioning equipment at a destination location, including said configurable locomotive system, said configuration input device will generate a configuration signal indicative of said destination location for said equipment to self-configure said equipment for a particular engine emissions profile upon arrival at said destination location.

23. The configurable powered system according to claim 13, wherein said operational input signals comprise flowrate signals indicative of the fuel volume of each respective fuel type remaining in each fuel tank.

24. The configurable powered system according to claim 13, wherein said locomotive travels between a first location and a second location along said locomotive track;

wherein upon reaching said first location, said processor is responsive to a first configuration signal to generate a first set of control signals including a first set of valve signals to said plurality of fuel tanks to limit said total engine emissions of said plurality of fuel types to a first stored engine emission profile;

and wherein upon reaching said second location, said processor is responsive to a second configuration signal to generate a second set of control signals including a second set of valve signals to said plurality of fuel tanks to limit total engine emissions of said plurality of fuel types to a second stored emission profile.

25. The configurable powered system according to claim 13, wherein said engine operates on said plurality of fuel types on one of an instantaneous and a duty cycle basis.

26. A configurable powered system for controlling operating characteristics of a power generating unit, said power generating unit including an engine operating on a plurality of fuel types, said system comprising:

a processor carried on the power generating unit;

a plurality of operational input devices including sensors for a respective fuel tank for said plurality of fuel types;

a plurality of end use devices including said plurality of fuel tanks for each respective fuel type on the power generating unit controlled by the processor for controlling said operating characteristics to correspond to at least one operating characteristic profile;

a configuration input device in communication with the processor for generating a respective configuration signal indicative of each of a particular location of the power generating unit along a predetermined course, said configuration signal different from operational signals for transmission to the processor;

wherein said processor is responsive to said operational input devices and configuration signals for generating at least one set of control signals to said end use devices to limit at least one of the operating characteristics of said plurality of fuel types, a time of arrival for said power generating unit along said predetermined course, and a combination thereof to a respective stored operating characteristics profile and time of arrival restriction for each configuration signal indicative of each particular location of said power generating unit along said predetermined course comprising a mission.

27. A configurable powered system for controlling operating characteristics of a power generating unit according to claim 26, further comprising:

a memory coupled with said processor for storing said respective engine emission profile for each of said configuration signal indicative of said particular location of said power generating unit along said predetermined course;

wherein said plurality of operational input devices are coupled with the processor for generating operational input signals for transmission to the processor;

and wherein said processor is responsive to said operational input signals, configuration signals, and said memory for generating said at least one set of control signals to said end use devices.

28. The configurable powered system according to claim 26, wherein said power generating unit is one of a locomotive, marine vehicle, and off-highway vehicle (OHV).

29. The configurable powered system according to claim 26, wherein said limiting the operating characteristics comprise limiting one of the total engine emissions, the total fuel efficiency and the total engine power output, wherein said processor generates said at least one set of control signals to limit one of said engine emissions, fuel efficiency and engine power output to the respective stored fuel emission, stored fuel efficiency and engine power output profiles for each configuration signal indicative of each particular location of said power generating unit along said predetermined course comprising said mission.

30. The configurable powered system for controlling engine emissions of a power generating unit according to claim 29, wherein said limiting of the total fuel efficiency of said plurality of fuel types and the total power output of said engine is performed while maintaining said engine emissions at a constant level;

and wherein said limiting of the time of arrival for said power generating unit along said predetermined course is performed while maintaining said engine emissions and said fuel efficiency at constant levels.

31. The configurable powered system according to claim 26, further comprising a parameter monitor coupled to the processor to monitor values of an operating characteristics parameter of the locomotive indicative of said operating characteristics of said plurality of fuel types, said processor for sending at least one secondary control signal to said end use devices in response to said emission parameter values to limit the operating characteristics of said plurality of fuel types to the operating characteristic profile for each of said configuration signal indicative of each particular location of said locomotive along said locomotive track.

32. The configurable powered system according to claim 26 wherein said power generating unit is a marine vehicle, said operating characteristics of said marine vehicle comprise sound emissions, and wherein said at least one configuration signal comprise:

a first configuration signal upon said marine vehicle entering a port area, wherein upon said marine vehicle entering said port area, said processor generates a first control signal to said end use devices to limit the total sound emissions to a first stored sound emission profile within said memory for said port area; and

a second configuration signal upon said marine vehicle leaving a port area, wherein upon said marine vehicle leaving said port area, said processor generates a second control signal to said end use devices to limit the total sound emissions to a second stored sound emission profile within said memory for beyond said port area, said second stored sound emission profile being greater than said first stored sound emission profile.