Alarms are used on all process plants to alert the
operators to abnormal conditions. The current literature
on the use of alarms has been reviewed. It is concluded
from this that alarm systems suffer from lack of careful deign. A design procedure is presented which selects the alarms based on the credible failure events to be identified. The effect of the plant
operating modes is also taken into account. [Continues.]
A Doctoral Thesis. Submitted in partial fulfilment of the requirements for the award of Doctor of Philosophy at Loughborough University.