EdgeFD: An Edge-Friendly Drift-Aware Fault Diagnosis System for Industrial IoT

• URL: http://arxiv.org/abs/2310.04704v1
• Date: Sat, 7 Oct 2023 06:48:07 GMT
• Title: EdgeFD: An Edge-Friendly Drift-Aware Fault Diagnosis System for Industrial IoT
• Authors: Chen Jiao, Mao Fengjian, Lv Zuohong, Tang Jianhua
• Abstract summary: We propose the Drift-Aware Weight Consolidation (DAWC) to mitigate the challenges posed by frequent data drift in the industrial Internet of Things (IIoT) DAWC efficiently manages multiple data drift scenarios, minimizing the need for constant model fine-tuning on edge devices. We have also developed a comprehensive diagnosis and visualization platform.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Recent transfer learning (TL) approaches in industrial intelligent fault diagnosis (FD) mostly follow the "pre-train and fine-tuning" paradigm to address data drift, which emerges from variable working conditions. However, we find that this approach is prone to the phenomenon known as catastrophic forgetting. Furthermore, performing frequent models fine-tuning on the resource-constrained edge nodes can be computationally expensive and unnecessary, given the excellent transferability demonstrated by existing models. In this work, we propose the Drift-Aware Weight Consolidation (DAWC), a method optimized for edge deployments, mitigating the challenges posed by frequent data drift in the industrial Internet of Things (IIoT). DAWC efficiently manages multiple data drift scenarios, minimizing the need for constant model fine-tuning on edge devices, thereby conserving computational resources. By detecting drift using classifier confidence and estimating parameter importance with the Fisher Information Matrix, a tool that measures parameter sensitivity in probabilistic models, we introduce a drift detection module and a continual learning module to gradually equip the FD model with powerful generalization capabilities. Experimental results demonstrate that our proposed DAWC achieves superior performance compared to existing techniques while also ensuring compatibility with edge computing constraints. Additionally, we have developed a comprehensive diagnosis and visualization platform.

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