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Agentic Root Cause Analysis through Evidence-Grounded Reasoning
arXiv cs.AI · Published · 3 min read
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- What happened
- AgentRCA, a zero-shot framework combining digital twins with language models, diagnoses industrial equipment faults without labeled training data.
- Why it matters
- Operations engineers managing complex systems like chemical plants or multiphase-flow facilities need transparent, explainable root cause analysis.
- Watch out
- Paper demonstrates results on two specific facilities; generalization to other industrial domains and real-time performance constraints remain unvalidated.
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Computer Science > Artificial Intelligence
arXiv:2607.22385v1 (cs)
[Submitted on 24 Jul 2026]
Title: Agentic Root Cause Analysis through Evidence-Grounded Reasoning
Authors: Amaury Wei , Olga Fink
View a PDF of the paper titled Agentic Root Cause Analysis through Evidence-Grounded Reasoning, by Amaury Wei and Olga Fink
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Abstract: Diagnosing the root cause of anomalies is essential for safe industrial operation. Despite extensive sensor instrumentation, formulating hypotheses and gathering evidence remains a manual process, creating a major operational bottleneck. While existing data-driven approaches aim to automate this, two critical limitations restrict their deployment: their operate as black boxes unable to justify their diagnosis, and they require scarce labeled examples of faulty operation. To address this gap, we introduce AgentRCA, a zero-shot agentic framework for evidence-grounded root cause analysis. Rather than learning fault-specific mappings, AgentRCA performs inference-time reasoning by combining a data-driven digital twin (modeling normal system dynamics) with a tool-augmented large language model. The agent iteratively gathers statistical evidence, evaluates competing hypotheses, and identifies the physical fault that best explains the observed behavior. Evaluated on a real-world multiphase-flow facility and a large-scale
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- agent
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