Han, Dongying https://orcid.org/0000-0002-0314-4224
Zhu, Zhizhou https://orcid.org/0009-0004-2487-6346
Yang, Chao https://orcid.org/0000-0002-7349-1520
Du, Mingjun
Tian, Qishen
Li, Bingfan
Funding for this research was provided by:
Yanshan University Basic Innovation Research Cultivation Project (2024LGQL001)
Hubei Engineering Research Center for Intelligent Detection and Identification of Complex Parts (IDICP-KF-2024-10)
Science Research Project of Hebei Province Higher Education (CXZX2025024)
Article Title: Research on few-shot working condition recognition method for pumping units based on hierarchical contrastive learning and prototypical network
Journal Title: Measurement Science and Technology
Article Type: paper
Copyright Information: © 2026 IOP Publishing Ltd. All rights, including for text and data mining, AI training, and similar technologies, are reserved.
Publication dates
Date Received: 2026-01-17
Date Accepted: 2026-03-20
Online publication date: 2026-04-10