US 12,066,481 B2
System and method for monitoring activity over time-domain of electrical devices
Isaac Sela, Petach Tikva (IL); and Tomer Sela, Petach Tikva (IL)
Assigned to Isra-Juk Electronics Ltd., Petach-Tikva (IL)
Appl. No. 16/956,100
Filed by Isra-Juk Electronics Ltd., Petach-Tikva (IL)
PCT Filed Dec. 18, 2018, PCT No. PCT/IL2018/051371
§ 371(c)(1), (2) Date Jun. 19, 2020,
PCT Pub. No. WO2019/123457, PCT Pub. Date Jun. 27, 2019.
Claims priority of provisional application 62/607,341, filed on Dec. 19, 2017.
Prior Publication US 2021/0102993 A1, Apr. 8, 2021
Int. Cl. G01R 31/28 (2006.01); G01R 31/52 (2020.01); G16H 40/67 (2018.01)
CPC G01R 31/2832 (2013.01) [G01R 31/52 (2020.01); G16H 40/67 (2018.01)] 17 Claims
OG exemplary drawing
 
1. A system for detecting and processing one or more deviations from an acceptable electrical behavior in an electrical device or in an electro-mechanical device, the system comprising:
a sampling unit connected to the electrical device or the electro-mechanical device, which samples at least one activity indication of the electrical device or the electro-mechanical device;
at least one data storage device which stores one or more acceptable values related to the acceptable electrical behavior;
an active time measurement unit which receives the at least one activity indication and measure an active time duration, which is a time duration in which the electrical device or the electro-mechanical device perform an electrical or an electromechanical activity;
an inactive time measurement unit which receives the at least one activity indication and measure an inactive time duration which is a time duration in which the electrical device or the electro-mechanical device do not perform an electrical or an electromechanical activity;
a deviation processor which:
receives the at least one activity indication, the active time duration, and the inactive time duration;
detects one or more deviations between time-domain characteristics defined by the at least one activity indication, the active time duration and inactive time duration and time-domain characteristics defined by the one or more acceptable values; and
carry out time-domain analysis of the one or more said deviations, to determine a type of fault at the electrical device or the electro-mechanical device, based on a type of the electrical device or the electro-mechanical device and the acceptable electrical behavior thereof.