基于演化故障诊断事件图的多语言模型协作框架

IF 3.3 2区 计算机科学 Q2 AUTOMATION & CONTROL SYSTEMS
Tian Wang , Ping Wang , Feng Yang , Shuai Wang , Qiang Fang , Meng Chi
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引用次数: 0

摘要

容错控制是保证飞机飞行安全的关键。然而,现有的非线性系统故障诊断方法面临着数据稀疏性、泛化程度有限、缺乏可解释性等问题。为了解决这些问题,本文提出了一种多大语言模型(LLM)协作框架,用于进化故障诊断事件图的少镜头链接预测。该框架由两个模块组成:聚类语言模型(LMc)和预测语言模型(LMP)。LMc利用llm的语义理解能力对实体进行聚类,并将大规模图数据分解为更小的子图,从而减轻数据稀疏性对链路预测的影响。LMP利用llm的推理能力在每个子图内执行链路预测,并融合预测结果以提高准确性和泛化性。链接的完成是达到一个目的的手段,即在更详细的知识图上进行故障诊断推理,从而显著提高故障诊断的准确性。实验结果表明,该框架在多数据集上优于传统的嵌入模型和现有的元学习方法,特别是在稀疏和背景丰富的数据集上。该方法为非线性系统的故障诊断提供了一种新的解决方案,具有重要的理论和实用价值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Multi large language model collaboration framework for few-shot link prediction in evolutionary fault diagnosis event graphs
Fault-tolerant control is crucial for ensuring flight safety in aircraft. However, existing methods for fault diagnosis in nonlinear systems face challenges such as data sparsity, limited generalization, and lack of explainability. To address these challenges, this paper proposes a multi-large language model (LLM) collaboration framework for few-shot link prediction in evolutionary fault diagnosis event graphs. The framework consists of two modules: the Clustering Language Model (LMc) and the Prediction Language Model (LMP). LMc utilizes the semantic understanding capabilities of LLMs to cluster entities and decompose large-scale graph data into smaller subgraphs, mitigating the impact of data sparsity on link prediction. LMP leverages the reasoning capabilities of LLMs to perform link prediction within each subgraph and fuses the prediction results to enhance accuracy and generalization. The completion of the link serves as a means to an end, which is to conduct fault diagnosis reasoning on a more detailed knowledge graph, thereby significantly improving the accuracy of fault diagnosis. Experimental results demonstrate that the proposed framework outperforms traditional embedding models and existing meta-learning methods on multiple datasets, particularly for sparse and background-rich datasets. This approach offers a novel solution for fault diagnosis in nonlinear systems, with significant theoretical and practical value.
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来源期刊
Journal of Process Control
Journal of Process Control 工程技术-工程:化工
CiteScore
7.00
自引率
11.90%
发文量
159
审稿时长
74 days
期刊介绍: This international journal covers the application of control theory, operations research, computer science and engineering principles to the solution of process control problems. In addition to the traditional chemical processing and manufacturing applications, the scope of process control problems involves a wide range of applications that includes energy processes, nano-technology, systems biology, bio-medical engineering, pharmaceutical processing technology, energy storage and conversion, smart grid, and data analytics among others. Papers on the theory in these areas will also be accepted provided the theoretical contribution is aimed at the application and the development of process control techniques. Topics covered include: • Control applications• Process monitoring• Plant-wide control• Process control systems• Control techniques and algorithms• Process modelling and simulation• Design methods Advanced design methods exclude well established and widely studied traditional design techniques such as PID tuning and its many variants. Applications in fields such as control of automotive engines, machinery and robotics are not deemed suitable unless a clear motivation for the relevance to process control is provided.
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