A power transmission equipment defect grading method and device based on a multi-modal large model

By constructing a high-quality dataset using a multimodal large model and performing progressive training, the reliability problem of intelligent classification of defects in power transmission equipment is solved, and accurate and interpretable classification results are achieved in scenarios with few samples.

CN122415607APending Publication Date: 2026-07-17HUNAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HUNAN UNIV
Filing Date
2026-06-16
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies have insufficient reliability in intelligent classification of defects in power transmission equipment, especially in scenarios with few samples, where it is difficult to effectively integrate the experience of domain experts and improve the generalization ability of the model.

Method used

We employ a multimodal large model, constructing a defect dataset, generating a corrective thought chain, and performing progressive training. Combining cross-modal feature fusion and an interpretable reasoning paradigm, we utilize both closed-source and open-source large models to perform cross-modal feature fusion and defect classification of images and text.

Benefits of technology

It improves the reliability of intelligent classification of defects in power transmission equipment, reduces annotation costs, enhances the model's reasoning ability and the interpretability of classification results, and ensures accuracy and reliability in scenarios with few samples.

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Abstract

本发明公开了一种基于多模态大模型的输电设备缺陷定级方法及装置,方法包括:基于预选的测试缺陷图像和缺陷级别标签构建缺陷数据集;基于测试缺陷图像和预设缺陷定级标准构建提示词模板;基于提示词模板和预设思维链生成指令得到第一提示词;将第一提示词和缺陷数据集输入预选闭源大模型,生成修正思维链;将修正思维链和提示词模板与缺陷数据集合并,得到训练数据集;将训练数据集中的样本输入预选开源大模型进行渐进式训练;预选开源大模型用于进行图像与文本的跨模态特征融合和缺陷定级推理;训练结束后,将实拍缺陷图像和提示词模板输入预选开源大模型,得到缺陷定级结果。
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