Research on fault diagnosis technology of pumping units based on multi-modal information fusion
ZHAO Xiangdong
JIANG Wei
GAO Guohai
WANG Yang
ZHANG Weijing
WANG Xin
Abstract：[Objective]A fault diagnosis method based on multimodal information fusion was proposed.It addressed the issues of sample imbalance and limited diagnostic information in rod pump fault diagnosis.The goal was to improve the accuracy and reliability of fault diagnosis.[Methods]Firstly,data augmentation techniques were applied to address sample imbalance.This enhanced the diagnostic accuracy of minority class samples.Secondly,features were extracted from dynamometer cards and dynamic production data.These features were then fused.Finally,a transformer-based fault diagnosis framework was constructed.This framework achieved precise diagnosis of rod pump faults.[Results]The test results show that the proposed method performs well in accuracy and F1-score.It offers a more reliable and effective solution for rod pump fault diagnosis.
Keywords：Indicator diagramMultimodal fusionFault diagnosisDeep learningData augmentation
Publication Date：2026-06-30
Online Publishing Date：2026-09-12(First online date of this platform, not the publication date of the document)
Pages：8( 62-69 )