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صفحه اصلی
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سی امین کنفرانس بین المللی مهندسی برق
A Framework for Plant Topology Extraction Using Process Mining and Alarm Data
نویسندگان :
Amir Neshastegaran
1
Ali Norouzifar
2
ایمان ایزدی
3
1- دانشگاه صنعتی اصفهان
2- دانشگاه صنعتی اصفهان
3- دانشگاه صنعتی اصفهان
کلمات کلیدی :
Plant Topology،Process Mining،Topology Extraction،Alarm Data،Fault Diagnosis
چکیده :
Industrial plants are prone to faults. To notify the operator of a fault occurrence, alarms are utilized as a basic part of modern computer-controlled plants. However, due to the interconnections of different parts of a plant, a single fault often propagates through the plant and triggers a (sometimes large) number of alarms. A graphical plant topology can help operators, process engineers, and maintenance experts find the root cause of a plant upset or discover the propagation path of a fault. In this paper, a method is developed to extract plant topology from alarm data. The method is based on process mining, a collection of concepts and algorithms that model a process (not necessarily an engineering one) based on the recorded events. The event based nature of alarm data as well as the chronological order of recorded alarms make them suitable for process mining. The methodology developed in this paper is based on preparing alarm data for process mining and then using suitable process mining algorithms to extract plant topology. The extracted topology is represented by the familiar Petri net which can be used for root cause analysis and discovering fault propagation paths. The methods to evaluate the extracted topology are also discussed. A case study on the well-known Tennessee Eastman process demonstrates the utility of the proposed method.
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