System and method for power and data delivery on a machine

• US 8,793,096 B2
• Filed: 06/24/2011
• Issued: 07/29/2014
• Est. Priority Date: 06/24/2011
• Status: Expired due to Fees

• Current Assignee: Caterpillar Incorporated
• Original Assignee: Caterpillar Incorporated
• Inventors: Lammers, Bryan Gerard
• Primary Examiner(s): LE, TOAN M
• Application Number:
  US13/167,859
• Publication Number:
  US 20120330597A1
• Time in Patent Office: 1,131 Days
• Field of Search: 702/122, 702/44, 702 57- 60, 702 62- 65, 702/81, 702/84, 702/108, 702113-114, 702116-118, 702/120, 702/127, 702182-183, 702/185, 702188-189, 324/500, 324/503, 324/508, 324511-512, 324/522, 324/525, 324/527, 324537-539, 324/543, 324/549, 324/691, 340/13.23, 340/425.2, 340/500, 340/514, 340/531, 340/533, 340/538, 340/538.11, 340/538.17, 700297-298
• US Class Current: 702/122
• CPC Class Codes: B60R 16/0215 Protecting, fastening and routing means therefor
• 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 power and data delivery system includes a conductor for transferring both power and data, a plurality of device connectors, which each define at least one of a power link and a communication link, and a plurality of smart connectors connecting the conductor with the device connectors. Each of the smart connectors includes a memory having a device testing algorithm stored thereon, and a processor configured to execute the device testing algorithm. The device testing algorithms, which are executed simultaneously, are configured to evaluate a plurality of characteristics, including a current and voltage, associated with one or both of the power link and the communication link.

Claims

1. A power and data delivery system, comprising:

a conductor for transferring both power and data;

a plurality of device connectors, wherein each of the plurality of device connectors define at least one of a power link and a communication link; and

a plurality of smart connectors connecting the conductor with the plurality of device connectors;

wherein each of the plurality of smart connectors includes a memory having a device testing algorithm stored thereon, and a processor configured to execute the device testing algorithm, wherein the device testing algorithms of the plurality of smart connectors are executed simultaneously;

wherein the device testing algorithms are configured to evaluate a plurality of characteristics associated with one or both of the power link and the communication link, wherein the plurality of characteristics include a current and a voltage.

2. The power and data delivery system of claim 1, further including a power supply operably connected to the conductor, and at least one electrical device connected to each of the plurality of device connectors.

3. The power and data delivery system of claim 2, wherein the plurality of smart connectors include basic connectors, sensor electrical connectors, driver electrical connectors, and communication electrical connectors.

4. The power and data delivery system of claim 1, wherein the memory of each of the plurality of smart connectors has a plurality of expected values stored thereon, and the processor of each of the plurality of smart connectors is further configured to sequentially determine a test value associated with each of the plurality of characteristics based on the device testing algorithm, compare the test value to one of the expected values, and store an evaluation result associated with the test value in the memory.

5. The power and data delivery system of claim 4, wherein the plurality of characteristics also include a resistance and a data link message.

6. The power and data delivery system of claim 4, wherein the plurality of expected values for at least one of the plurality of smart connectors are different than the plurality of expected values for at least another of the plurality of smart connectors.

7. The power and data delivery system of claim 4, wherein the processor of each of the plurality of smart connectors is further configured to execute the device testing algorithm a plurality of times, store the evaluation results associated with each of the plurality of times in the memory, identify a trend associated with the evaluation results, and store an additional evaluation result associated with the trend in the memory.

8. The power and data delivery system of claim 1, wherein the memory of each of the plurality of smart connectors has a first expected signature stored thereon, and the processor of each of the plurality of smart connectors is further configured to determine a first dynamic signature related to at least one characteristic of the plurality of characteristics based on the device testing algorithm, compare the first dynamic signature to the first expected signature, identify a trend associated with the first dynamic signature, and store an evaluation result associated with the trend in the memory.

9. A machine, comprising:

a frame;

an electronically controlled engine mounted on the frame, and being operably coupled to an alternator;

a battery supported on the frame and being electrically connected to the alternator by a charging circuit;

a starter operably coupled to the engine and electrically connected to the battery by a starter circuit;

a conductor for transferring both power and data supported by the frame, and being electrically connected to the battery by a regulator circuit; and

a plurality of electrical devices, wherein each of the plurality of electrical devices is electrically connected to the conductor by a device connector and a smart connector, wherein the device connector defines at least one of a power link and a communication link;

wherein each smart connector includes a memory having a device testing algorithm stored thereon, and a processor configured to execute the device testing algorithm, wherein the device testing algorithms are executed simultaneously;

wherein the device testing algorithms are configured to evaluate a plurality of characteristics associated with one or both of the power link and the communication link, wherein the plurality of characteristics include a current and a voltage.

10. The machine of claim 9, wherein the memory of each smart connector has a plurality of expected values stored thereon, and the processor of each smart connector is further configured to sequentially determine a test value associated with each of the plurality of characteristics based on the device testing algorithm, compare the test value to one of the expected values, and store an evaluation result associated with the test value in the memory.

11. The machine of claim 10, wherein the plurality of characteristics also include a resistance and a data link message.

12. The machine of claim 10, wherein the plurality of expected values for at least one smart connector are different than the plurality of expected values for at least another smart connector.

13. The machine of claim 10, wherein the processor of each smart connector is further configured to execute the device testing algorithm a plurality of times, store the evaluation results associated with each of the plurality of times in the memory, identify a trend associated with the evaluation results, and store an additional evaluation result associated with the trend in the memory.

14. The machine of claim 9, wherein the memory of each smart connector has a first expected signature stored thereon, and the processor of each smart connector is further configured to determine a first dynamic signature related to at least one characteristic of the plurality of characteristics based on the device testing algorithm, compare the first dynamic signature to the first expected signature, identify a trend associated with the first dynamic signature, and store an evaluation result associated with the trend in the memory.

15. The machine of claim 9, wherein the plurality of smart connectors include basic connectors, sensor electrical connectors, driver electrical connectors, and communication electrical connectors.

16. A method of operating a machine, comprising the steps of:

electrically connecting a battery to a conductor by changing a regulator circuit from an open state to a closed state, wherein the conductor is configured to transfer both power and data;

changing a starting circuit from an open state to a closed state to engage a starter to an engine of the machine;

starting the engine of the machine;

charging the battery with power from a charging circuit electrically connected to an alternator coupled to the engine;

powering each of a plurality of electrical devices with electrical power from the conductor through a respective smart connector and a respective device connector; and

simultaneously executing a device testing algorithm on each smart connector;

wherein the simultaneously executing step includes evaluating a plurality of characteristics associated with one or both of a power link and a communication link of the respective device connector, wherein the plurality of characteristics include a current and a voltage.

17. The method of claim 16, wherein the simultaneously executing step includes sequentially determining a test value associated with each of the plurality of characteristics based on the device testing algorithm, comparing the test value to one of a plurality of expected values stored in a memory of each smart connector, and storing an evaluation result associated with the test value in the memory.

18. The method of claim 17, further including executing the device testing algorithm a plurality of times, storing the evaluation results associated with each of the plurality of times in the memory, identifying a trend associated with the evaluation results, and storing an additional evaluation result associated with the trend in the memory.

19. The method of claim 16, wherein the simultaneously executing step includes determining a first dynamic signature related to at least one characteristic of the plurality of characteristics based on the device testing algorithm, comparing the first dynamic signature to a first expected signature stored in a memory of each smart connector, identifying a trend associated with the first dynamic signature, and storing an evaluation result associated with the trend in the memory.

20. The method of claim 16, further including transferring data between a subset of the plurality of electrical devices and the respective smart connector using the respective device connector.