US 11,721,977 B2
Automatic discovery of electrical supply network topology and phase
Ian Jackson Davis, Peakhurst Heights (AU)
Assigned to Landis+Gyr Innovations, Inc., Alpharetta, GA (US)
Filed by Landis+Gyr Innovations, Inc., Alpharetta, GA (US)
Filed on Jan. 19, 2022, as Appl. No. 17/579,496.
Application 17/579,496 is a continuation of application No. 16/800,315, filed on Feb. 25, 2020, granted, now 11,245,260.
Prior Publication US 2022/0149623 A1, May 12, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H02J 3/12 (2006.01); H02J 13/00 (2006.01); G05B 13/02 (2006.01)
CPC H02J 3/12 (2013.01) [G05B 13/0265 (2013.01); H02J 13/00002 (2020.01)] 14 Claims
OG exemplary drawing
 
1. A method comprising:
receiving, by a headend system, descriptors from a plurality of utility devices connected to a resource distribution system, the descriptors being generated at the respective utility devices by processing sensor data obtained at the respective utility devices;
determining that the descriptors contain synchronizing events;
adjusting timing of other events in the descriptors using a time of occurrence of the synchronizing events as a reference time;
determining, based on the synchronizing events, time offsets for one or more of the plurality of utility devices;
transmitting instructions to the one or more of the plurality of utility devices to correct clocks according to the respective time offsets;
determining a mode of the plurality of utilize devices;
in response to determining that the mode of the plurality of utility devices is a regular mode,
grouping, by the headend system, the plurality of utility devices to generate a current grouping by applying clustering algorithms to the descriptors of the plurality of utility devices, and
assigning, by the headend system, at least one of a segment identifier or a phase identifier to one or more of the plurality of utility devices based, at least in part, upon the current grouping;
in response to determining that the mode of the plurality of utility devices is a fast mode, wherein in the fast mode, the segment identifier or the phase identifier is assigned to a utility device in a shorter time period than the regular mode,
grouping the plurality of utility devices by correlating the descriptors;
generating assignment information by assigning at least one of a segment identifier or a phase identifier to an unknown utility device among the plurality of utility devices based on the grouping; and
sending the assignment information to the unknown utility device.