An additional layer of protection through superalarms with diagnosis capability

  • John William Vásquez Capacho Universidad de Investigación y Desarrollo- UDI
  • Carlos Gustavo Perez Zuñiga Pontifica Universidad Católica del Perú- PUCP
  • Yecid Alfonzo Muñoz Maldonado Universidad Autónoma de Bucaramanga- UNAB
  • Adalberto José Ospino Castro Universidad de la Costa - CUC
Keywords: Alarm management, Protection layers, Safe process, Diagnosis, Super-alarm


An alarm management methodology can be proposed as a discrete event sequence recognition problem where time patterns are used to identify the process safe condition, especially in the start-up and shutdown stages. Industrial plants, particularly in the petrochemical, energy, and chemical sectors, require a combined approach of all the events that can result in a catastrophic accident. This document introduces a new layer of protection (super-alarm) for industrial processes based on a diagnostic stage. Alarms and actions of the standard operating procedure are considered discrete events involved in sequences, where the diagnostic stage corresponds to the recognition of a special situation when these sequences occur. This is meant to provide operators with pertinent information regarding the normal or abnormal situations induced by the flow of alarms. Chronicles Based Alarm Management (CBAM) is the methodology used to build the chronicles that will permit to generate the super-alarms furthermore, a case study of the petrochemical sector using CBAM is presented to build the chronicles of the normal startup, abnormal start-up, and normal shutdown scenarios. Finally, the scenario validation is performed for an abnormal start-up, showing how a super-alarm is generated.


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How to Cite
Vásquez Capacho, J. W., Perez Zuñiga, C. G., Muñoz Maldonado, Y. A., & Ospino Castro, A. J. (2020). An additional layer of protection through superalarms with diagnosis capability. CT&F - Ciencia, Tecnología Y Futuro, 10(1), 45-65.


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