Similarity analysis of industrial alarm flood data

K Ahmed, I Izadi, T Chen, D Joe… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
Flooding of alarms is a very crucial problem in process industries. An alarm flood makes an
operator ineffective of taking necessary actions, and often risking an emergency shutdown …

Performance evaluation and design for variable threshold alarm systems through semi-Markov process

K Aslansefat, MB Gogani, S Kabir, MA Shoorehdeli… - ISA transactions, 2020 - Elsevier
In large industrial systems, alarm management is one of the most important issues to
improve the safety and efficiency of systems in practice. Operators of such systems often …

[HTML][HTML] Criteria-based alarm flood pattern recognition using historical data from automated production systems (aPS)

B Vogel-Heuser, D Schütz, J Folmer - Mechatronics, 2015 - Elsevier
The operation of industrial automated production systems (aPS) usually requires human
operators that observe and, if necessary, intervene to keep aPS in steady operation. Inside …

Online pattern matching and prediction of incoming alarm floods

S Lai, F Yang, T Chen - Journal of Process Control, 2017 - Elsevier
Alarm floods are serious hazards for industrial process monitoring. In this paper, we propose
an online algorithm to provide early prediction of an incoming alarm flood by matching an …

A method to remove chattering alarms using median filters

Y Sun, W Tan, T Chen - ISA transactions, 2018 - Elsevier
Chattering alarms are the most found nuisance alarms that will probably reduce the usability
and result in a confidence crisis of alarm systems for industrial plants. This paper addresses …

Combining FAP, MAP and correlation analysis for multivariate alarm thresholds optimization in industrial process

L Han, H Gao, Y Xu, Q Zhu - Journal of Loss Prevention in the Process …, 2016 - Elsevier
In the real industrial process, alarm threshold optimization is an important part of alarm
system rationalization. If the design of alarm threshold is unreasonable, it would result in …

Dynamic multivariate threshold optimization and alarming for nonstationary processes subject to varying conditions

Y Zhao, C Zhao - Control Engineering Practice, 2022 - Elsevier
For the alarm system of nonstationary industrial processes, the conventional alarm
thresholds configured for one single operational zone often result in frequent false and …

A weighted dissimilarity index to isolate faults during alarm floods

S Charbonnier, N Bouchair, P Gayet - Control Engineering Practice, 2015 - Elsevier
A fault-isolation method based on pattern matching using the alarm lists raised by the
SCADA system during an alarm flood is proposed. A training set composed of faults is used …

Design and assessment of delay timer alarm systems for nonlinear chemical processes

A Tulsyan, F Alrowaie, B Gopaluni - AIChE Journal, 2018 - Wiley Online Library
In process and manufacturing industries, alarm systems play a critical role in ensuring safe
and efficient operations. The objective of a standard industrial alarm system is to detect …

Unsupervised Real Time and Early Anomalies Detection Method for Sewer Networks Systems

C Qiu, G Shao, Z Zhang, C Zhou, Y Hou, E Zhao… - IEEE …, 2024 - ieeexplore.ieee.org
Sewer networks (SNs) are susceptible to various factors that can lead to failures, resulting in
economic losses and environmental pollution. Data-driven approaches based on sewage …