Granted Patent B2

US 12,270,848 · App. 18/319,694 · Granted Apr 8, 2025

Inventors: Brian Charles Tucker (Clinton Corners, NY); Enver Candan (Fishkill, NY); Marc Henri Coq (Hopewell Junction, NY)

Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION

G01R29/18G06F1/263G06F1/28

Abstract

Claims (44)

1. A computer-implemented method of facilitating separately-sourced redundant power feeds to a system, the computer-implemented method comprising:

obtaining voltage waveform data for power feeds connected to the system;

determining for the power feeds, using the obtained voltage waveform data, multiple respective signal characteristics for each power feed;

comparing the multiple respective signal characteristics of the power feeds to obtain multiple characteristic differences between the power feeds;

determining, for each characteristic difference of the multiple characteristic differences, whether the characteristic difference exceeds a respective difference limit;

for each characteristic difference exceeding its respective difference limit, providing a corresponding weight score to obtain a weighted characteristic difference score;

obtaining a total characteristic difference score by summing the weighted characteristic difference scores;

determining that the power feeds are not separately-sourced redundant power feeds connected to the system based on determining that the total characteristic difference score does not exceed a set threshold score representative of separately-sourced redundant power feeds; and

based on determining that the power feeds are not separately sourced power feeds, initiating a corrective action to ensure that the system is connected to separately-sourced redundant power feeds.

2. The computer-implemented method of claim 1 , wherein the multiple respective signal characteristics of the power feeds comprise at least one respective frequency characteristic.

3. The computer-implemented method of claim 1 , wherein the multiple respective signal characteristics include a total harmonic distortion characteristic, and the comparing includes comparing the total harmonic distortion characteristics of the power feeds.

4. The computer-implemented method of claim 1 , wherein the respective difference limits, the corresponding weight scores, and the set threshold score are user-configurable.

5. The computer-implemented method of claim 1 , wherein obtaining the voltage waveform data for the power feeds connected to the system includes recording the voltage waveform data for the power feeds to the system within a common timing window.

6. The computer-implemented method of claim 1 , wherein obtaining the voltage waveform data for the power feeds comprises:

scaling AC voltage of a power feed connected to the system to obtain a scaled AC voltage; and

converting the scaled AC voltage to a DC voltage signal, wherein the power feed's corresponding voltage waveform data comprises the DC voltage signal.

7. The computer-implemented method of claim 1 , wherein based on the total characteristic difference score exceeding the set threshold representative of separately-sourced redundant power feeds, the computer-implemented method further comprises signaling that the power feeds connected to the system are separately-sourced redundant power feeds.

8. A computer system for facilitating separately-sourced redundant power feeds to a system, the computer system comprising:

a memory; and

at least one processor in communication with the memory, wherein the computer system is configured to perform a method, said method comprising:

obtaining voltage waveform data for power feeds connected to the system;

determining for the power feeds, using the obtained voltage waveform data, multiple respective signal characteristics for each power feed;

comparing the multiple respective signal characteristics of the power feeds to obtain multiple characteristic differences between the power feeds;

determining, for each characteristic difference of the multiple characteristic differences, whether the characteristic difference exceeds a respective difference limit;

for each characteristic difference exceeding its respective difference limit, providing a corresponding weight score to obtain a weighted characteristic difference score;

obtaining a total characteristic difference score by summing the weighted characteristic difference scores;

determining that the power feeds are not separately-sourced redundant power feeds connected to the system based on determining that the total characteristic difference score does not exceed a set threshold score representative of separately-sourced redundant power feeds; and

based on determining that the power feeds are not separately sourced power feeds, initiating a corrective action to ensure that the system is connected to separately-sourced redundant power feeds.

9. The computer system of claim 8 , wherein the multiple respective signal characteristics include, a total harmonic distortion characteristic, and the comparing includes comparing the total harmonic distortion characteristics of the power feeds.

10. The computer system of claim 8 , wherein the respective difference limits, the corresponding weight scores, and the set threshold score are user-configurable.

11. The computer system of claim 8 , wherein obtaining the voltage waveform data for the power feeds connected to the system includes recording the voltage waveform data for the power feeds to the system within a common timing window.

12. The computer system of claim 8 , wherein based on the total characteristic difference score exceeding the set threshold representative of separately-sourced redundant power feeds, the method further comprises signaling that the power feeds connected to the system are separately-sourced redundant power feeds.

13. A computer program product for facilitating separately-sourced redundant power feeds to a system, the computer program product comprising:

one or more computer readable storage medium and program instructions embodied therewith, the program instructions being readable by a processing circuit to cause the processing circuit to perform a method comprising:

obtaining voltage waveform data for power feeds connected to the system;

determining for the power feeds, using the obtained voltage waveform data, multiple respective signal characteristics for each power feed;

comparing the multiple respective signal characteristics of the power feeds to obtain multiple characteristic differences between the power feeds;

determining, for each characteristic difference of the multiple characteristic differences, whether the characteristic difference exceeds a respective difference limit;

for each characteristic difference exceeding its respective difference limit, providing a corresponding weight score to obtain a weighted characteristic difference score;

obtaining a total characteristic difference score by summing the weighted characteristic difference scores;

determining that the power feeds are not separately-sourced redundant power feeds connected to the system based on determining that the total characteristic difference score does not exceed a set threshold score representative of separately-sourced redundant power feeds; and

based on determining that the power feeds are not separately sourced power feeds, initiating a corrective action to ensure that the system is connected to separately-sourced redundant power feeds.

14. The computer program product of claim 13 , wherein obtaining the voltage waveform data for the power feeds connected to the system includes recording the voltage waveform data for the power feeds to the system within a common timing window.

15. The computer program product of claim 13 , wherein the multiple respective signal characteristics include a total harmonic distortion characteristic, and the comparing includes comparing the total harmonic distortion characteristics of the power feeds.

Assignments (1)

Continuity (1)

References Cited (45)