Yaru Zhang

Title: Innovations by Yaru Zhang in Power Electronic Circuit Fault Diagnosis

Introduction

Yaru Zhang is an accomplished inventor based in Hubei, China. He has made significant contributions to the field of power electronics, particularly in fault diagnosis methods. With a total of four patents to his name, Zhang's work is at the forefront of technological advancements in this area.

Latest Patents

Yaru Zhang's latest patents include a "Power electronic circuit fault diagnosis method based on extremely randomized trees and stacked sparse auto-encoder algorithm." This innovative method involves collecting fault signals and extracting fault features. It utilizes the Extremely Randomized Trees (ET) algorithm to reduce the dimensionality of fault features by calculating their importance values. A new feature set is then obtained, followed by further extraction using the Stacked Sparse Auto-Encoder (SSAE) algorithm. The final step involves training a classifier to identify and locate faults in power electronic circuits.

Another notable patent is the "Power electronic circuit fault diagnosis method based on optimizing deep belief network." This method includes several steps, such as setting up fault experiments using an RT-LAB hardware-in-the-loop simulator and collecting DC-link output voltage signals. The process involves empirical mode decomposition to extract intrinsic function components and constructing a fault feature data set. The deep belief network is optimized using the crow search algorithm to achieve accurate fault diagnosis results.

Career Highlights

Yaru Zhang is currently affiliated with Wuhan University, where he continues to advance research in power electronics. His innovative approaches to fault diagnosis have garnered attention in the academic and industrial sectors. Zhang's work not only enhances the reliability of power electronic systems but also contributes to the overall efficiency of electrical engineering.

Collaborations

Yaru Zhang collaborates with esteemed colleagues, including Yigang He and Liulu He. Their combined expertise fosters a productive research environment, leading to groundbreaking advancements in their field.

Conclusion

Yaru Zhang's contributions to power electronic circuit fault diagnosis exemplify the importance of innovation in technology. His patents reflect a commitment to improving the reliability and efficiency of power systems. Through his work at Wuhan University and collaborations with fellow researchers, Zhang continues to push the boundaries of what is possible in electrical engineering.