Patent ID: 11869335
Assignee: YOKOGAWA ELECTRIC CORPORATION
Field: Control (Instruments)
Classification: CPC G | IPC G

Claim 13:
14. An alarm management apparatus comprising:
a storage; and
a processor configured to at least:
receive information on one or more process abnormalities;
generate, based on the information, a trigger alarm and a plurality of secondary alarms that are related to the trigger alarm and are downstream of the trigger alarm;
present the trigger alarm indicating an original cause of an abnormality to an operator by an operation monitoring terminal when the trigger alarm is included in an alarm that is received or generated;
store, in the storage, one or more suppressed alarms among the plurality of secondary alarms that indicates a secondary process abnormality due to the process abnormality that caused the trigger alarm, without presenting the one or more suppressed alarms to the operator, when the one or more suppressed alarms is included in the alarm;
additionally present the stored suppressed alarm to the operator based on an operation by the operator to the operation monitoring terminal;
determine whether the one or more suppressed alarms is effective for resolving the trigger alarm based on an operation history of a recovery operation by the operator or a response by the operator in a dialog box inquiring whether a particular suppressed alarm is effective for resolving the trigger alarm; and
when the one or more suppressed alarms was determined as effective for resolving the trigger alarm, change a control logic so that even when the one or more suppressed alarms is included in the alarm, the one or more suppressed alarms is subsequently presented to the operator together with the trigger alarm without the operator performing an operation to the operation monitoring terminal.