Donglin Hou

Title: Innovations in Fault Diagnosis by Donglin Hou

Introduction

Donglin Hou is a notable inventor based in Zhanjiang, China. He has made significant contributions to the field of fault diagnosis, particularly in rolling bearings. His innovative approach combines various techniques to enhance the accuracy and efficiency of fault detection.

Latest Patents

Donglin Hou holds a patent for a "Rolling bearing combined fault diagnosis method based on multi-domain feature construction." This method involves collecting vibration signals from rolling bearings and extracting both time-domain and frequency-domain features. The process includes performing an improved empirical mode decomposition on the vibration signals to obtain time-frequency features. By constructing a multi-domain fault sample set and conducting a fault mechanism analysis, he is able to identify modulation features associated with different faults. The method also incorporates feature engineering to filter out relevant, redundant, and irrelevant features. Finally, it employs unsupervised hierarchical clustering and a KNN model for classification, resulting in effective fault diagnosis outcomes.

Career Highlights

Donglin Hou is affiliated with Guangdong Ocean University, where he continues to advance research in fault diagnosis methodologies. His work has garnered attention for its practical applications in various industries that rely on rolling bearings.

Collaborations

He collaborates with esteemed colleagues such as Qiang Liu and Guoyan Yu, contributing to the advancement of knowledge in their field.

Conclusion

Donglin Hou's innovative methods in fault diagnosis represent a significant advancement in the field, showcasing the importance of multi-domain feature construction in enhancing the reliability of rolling bearings. His contributions are paving the way for future innovations in this critical area of engineering.