Definition

The alarm quality is defined by the system capability to enforce the operators to respond properly to the corresponding hazard. The proper response to an alarm depends on the quality of the two features: alerting and informing .

Perception faults

• Missing alarms
• Missed alarms
• Improper alarms

Attributes of the alarm quality

• The reliability of alarm generation ( alarm reliability )
• The timing (alarm timing )
• The effectiveness of the alarm ( alerting and the information perception)

Updated on 12 Mar 2017.