Root cause analysis using anomaly detection and temporal informed causal graphs
Publication date
2024-03
Document type
Conference paper
Author
Rehak, Josephine
Youssef, Shahenda
Beyerer, Jürgen
Organisational unit
Karlsruhe Institute of Technology
Fraunhofer IOSB
Book title
Machine learning for cyber physical systems
Part of the university bibliography
✅
Keyword
Causal graph
Anomaly detection
Multivariate timeseries
Root cause analysis
Abstract
In industrial processes, anomalies in the production equipment may lead to expensive failures. To avoid and avert such failures, the identification of the right root cause is crucial. Ideally, the search for a root cause is backed by causal information such as causal graphs. We have extended a framework that fuses causal graphs with anomaly detection to infer likely root causes. In this work, we add the use of temporal information to draw temporal valid conclusions about the potential propagation of anomalous information in causal graphs. The use of the framework is demonstrated on a robotic gripping process.
Version
Published version
Access right on openHSU
Open access