A Novel Intelligent Fault Diagnosis Method for Self-Priming Centrifugal Pumps
Bo Zhang1, Zhenya Wang2, Ligang Yao1
1School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 350108, China.
Entropy (Basel, Switzerland)
|November 24, 2023
Summary
This study presents an intelligent method for diagnosing faults in self-priming centrifugal pumps. The novel approach achieves 100% accuracy in identifying pump faults, significantly outperforming existing techniques.
Area of Science:
- Mechanical Engineering
- Signal Processing
- Artificial Intelligence
Background:
- Real-time diagnostic monitoring of self-priming centrifugal pumps is crucial for operational safety.
- Existing fault diagnosis methods struggle with feature extraction and accurate fault identification due to pump complexity.
Purpose of the Study:
- To introduce an intelligent fault diagnosis method for self-priming centrifugal pumps.
- To address challenges in feature extraction and classification accuracy for pump fault diagnosis.
Main Methods:
- Utilized refined time-shift multiscale fluctuation dispersion entropy for robust feature extraction.
- Employed cosine pairwise-constrained supervised manifold mapping for fault feature dimensionality reduction.
- Applied an adaptive chaotic Aquila optimization support vector machine for intelligent fault classification.
Main Results:
- The proposed method achieved a 100% recognition rate for various fault types in self-priming centrifugal pumps.
- Demonstrated superior performance compared to five existing intelligent fault diagnosis techniques.
- Achieved an average correct recognition rate increase of 15.97% over existing methods.
Conclusions:
- The developed intelligent fault diagnosis method is highly effective for self-priming centrifugal pumps.
- The combination of entropy-based feature extraction, manifold mapping, and optimized SVM significantly enhances fault identification accuracy.
- This approach offers a promising solution for reliable real-time monitoring and diagnosis of centrifugal pumps.
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