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

Claim 12:
13. The method of claim 9, wherein the one or more operations to calculate the at least one probability value for the second time windows include:
determining a first time difference between a first occurrence of an operator action and a notification of the third alarm event within a certain second time window;
determining a second time difference between a second occurrence of the operator action and a second occurrence of the third alarm event within another second time window;
retrieving a first time stamp of the first occurrence of the operator action within the certain second time window;
retrieving a second time stamp of the second occurrence of the operator action within the another second time window; and
calculating the at least one probability for the second time windows based on at least one matrix that is created using the first time stamp and the second time stamp.