MODULAR POWER DISTRIBUTION SYSTEM, METHOD, AND APPARATUS HAVING CONFIGURABLE OUTPUTS

• US 20100109430A1
• Filed: 11/06/2008
• Published: 05/06/2010
• Est. Priority Date: 11/06/2008
• Status: Abandoned Application

• Current Assignee: Lockheed Martin Corporation (Martin Marietta Corporation)
• Original Assignee: Lockheed Martin Corporation (Martin Marietta Corporation)
• Inventors: Williams, Timothy, DiSaverio, Charles T.
• Application Number:
  US12/266,284
• Publication Number:
  US 20100109430A1
• Time in Patent Office: Days
• US Class Current: 307/10.100
• CPC Class Codes: B60R 16/03 for supply of electrical power to vehicle subsystems or for circuit arrangements for charging batteries H02J7/00

Abstract

A system, method, and apparatus for controlling the supply of power for components of a vehicle. The system comprises a plurality of power modules or apparatuses, a J1939 bus, a plurality of electrical components, and a power supply. Each component is coupled to at least one power module, and the power modules are configured to supply power to electrical components coupled thereto. Each power module includes a controller, a plurality of power output lines, a plurality of pluggable power elements, and a power supply line. The controller is configured to electronically control at least one of the pluggable power elements for each power output line. Thus, the outputs of the power modules are configurable based on controlling the pluggable power elements.

Claims

1. A power distribution system for a controller area network (CAN) of a vehicle comprising:

a plurality of power modules having configurable outputs;

a J1939 bus, the J1939 bus being coupled to each said power module via an associated node;

a plurality of electrical components, each said electrical component being coupled to a power module of said plurality; and

a power supply to provide power to each said power module,

wherein each said power module is configured to supply power to associated ones of said electrical components coupled thereto,

wherein each said power module includes;

a control module coupled to said J1939 bus and configured to receive and transmit signals associated with said J1939 bus;

a plurality of power output lines, each said power output line being configured to provide power to one said electrical component coupled thereto;

a plurality of pluggable power elements, a plurality of said pluggable power elements being associated with each of said power output lines, and

a power supply line to supply power from said power supply to said plurality of pluggable power elements, and

wherein said control module is configured to electronically control at least one of said pluggable power elements for each said power output line,

wherein said control module is configured to electronically control at least one of said pluggable power elements based on signals associated with said J1939 bus,

wherein each said power module is configured to provide power load shedding for associated electrical components, and

wherein, for each power output line, said control module is configured to switch automatically from a malfunctioning pluggable power element to a backup pluggable power element to supply power for the associated power output line.

2. The system of claim 1, wherein each said pluggable power element is selected from a group consisting of a fuse, a circuit breaker, a pass through element, a normally open element, a normally closed element, a step down converter, and a step up converter.

3. The system of claim 1,

wherein each said power output line has associated therewith a plurality of said pluggable power elements, and

wherein pluggable power elements of said plurality associated with a same power output line are different elements.

4. The system of claim 1, wherein pluggable power elements of said plurality associated with a same power output line have the same function.

5. The system of claim 1,

wherein the system is configured to perform diagnostics, and

wherein the performance of diagnostics includes monitoring at least one of said pluggable power elements and detecting a condition of said at least one monitored pluggable power element to diagnose a condition of the system.

6. The system of claim 5, wherein the condition of the system indicates at least one of an open, a short, and a tripped circuit breaker for power output lines associated with the at least one said monitored pluggable power element.

7. The system of claim 1,

wherein the system is configured to perform diagnostics, and

wherein the performance of diagnostics is based on information associated with at least one of said pluggable power elements.

8. The system of claim 1,

wherein the system is configured to perform prognostics, and

wherein the performance of prognostics includes monitoring at least one of said pluggable power elements, and estimating, based on the monitoring, a condition of one or more of any of said pluggable power elements and any of said electrical components.

9. The system of claim 1,

wherein the system is configured to perform prognostics, and

wherein the performance of prognostics is based on information associated with one of said pluggable power elements that is electronically controlled by said control module.

10. A method for controlling power to electrical components in a network for a vehicle, comprising:

providing a circuit board coupled to a backplane of a power module;

removably coupling a power element to a receptacle of the circuit board;

providing a controller adapted to control electronically a supply of power for at least one of the electrical components in the vehicle network;

associating the power element with the at least one electrical component of the vehicle network;

diagnosing a characteristic associated with the power element;

generating a signal in response to the diagnosing;

the controller electronically controlling a supply of power for said at least one electrical component by controlling the power element associated with the at least one electrical component based on said generating a signal in response to the diagnosing; and

reconfiguring the supply of power in response to the signal.

11. The method of claim 10, further comprising prognosticating with respect to a characteristic of the network based on said electronically controlling the power element associated with said one electrical component.

12. The method of claim 10, further comprising prognosticating with respect to a characteristic of the power element associated with said one electrical component based on said electronically controlling the power element associated with said one electrical component.

13. The method of claim 10, wherein reconfiguring the supply of power comprises a load shedding operation.

14. A reconfigurable apparatus comprising:

power controlling means for controlling power output to outside the reconfigurable apparatus;

power supplying means for supplying power to said power controlling means; and

controlling means for electronically controlling said power controlling means, said controlling means being coupled to said power controlling means,

wherein said controlling means electronically controls said power controlling means based on at least one of signals received from a bus external to the reconfigurable apparatus and signals received from said power controlling means, and

wherein said power controlling means is automatically reconfigurable in response to at least one of said signals.

15. The reconfigurable apparatus of claim 14,

wherein said power controlling means includes:

a plurality of pluggable power elements to control power output to outside the reconfigurable apparatus, each said pluggable power element being removably coupled to a configuring means for configuring the reconfigurable apparatus; and

a plurality of power output terminals, each said power output terminal being coupled to at least one of said pluggable power elements,

wherein each said pluggable power element is configured to be electronically controlled by said controlling means based on at least one of the signals received from the external bus and the signals received from said power controlling means.

16. The reconfigurable apparatus of claim 15,

wherein each said pluggable power element includes one or more pluggable power element portions, and

wherein one or more of said pluggable element portions are configured to be controlled by said controlling means based on at least one of said signals received from the external bus and said signals received from said power controlling means.

17. The reconfigurable apparatus of claim 14, further comprising load shedding means for performing a load shedding operation.

18. The reconfigurable apparatus of claim 15, further comprising diagnosing means for diagnosing a condition or a soon-to-be condition of an electronic component coupled to the reconfigurable apparatus based on a characteristic of one or more of the pluggable power elements associated with the electronic component.

19. The reconfigurable apparatus of claim 15, further comprising diagnosing means for diagnosing a condition of one or more of the pluggable power elements.

20. The reconfigurable apparatus of claim 14, further comprising redundancy means for providing power output to outside the reconfigurable apparatus.