Patent ID: 11887465
Assignee: YOKOGAWA ELECTRIC CORPORATION
Field: Control (Instruments)
Classification: CPC G | IPC G

Claim 18:
19. A system, comprising:
an output device; and
processing circuitry configured to:
identify an alarm event pattern within a log of alarm events that occur within a process control system;
determine that a current alarm event within the process control system belongs to the alarm event pattern;
determine one or more operator actions for resolving the current alarm event based on the alarm event pattern; and
render, to the output device, an ordered sequence of the operator actions that resolve the current alarm event,

wherein the alarm event pattern is identified by:
identifying a first occurrence of a first alarm event within the log of alarm events;
assigning a time window to the first occurrence of the first alarm event;
identifying a first occurrence of a second alarm event that falls within the time window;
performing one or more operations to calculate at least one probability value for the time window; and
determining whether to associate the first and second alarm events with one another as at least part of the alarm event pattern based on the at least one probability value calculated for the time window.