This inventor holds 3 USPTO granted patents. Top assignee: Zhejiang University. Active years: 2025-2026.
Company Filing History:
Years Active: 2025-2026
Title: Hao Ma: Innovator in Fault Diagnosis Technologies
Introduction
Hao Ma is a distinguished inventor based in Hangzhou, China, known for his contributions to fault diagnosis methods and apparatuses in electrical engineering. With a total of 3 patents, he has made significant strides in enhancing the reliability and efficiency of power conversion systems.
Latest Patents
Hao Ma's latest patents include a fault diagnosis method and apparatus for a four-switch buck-boost converter. This innovative method involves obtaining circuit parameters during various fault conditions, labeling these parameters with fault types, and creating a dataset for analysis. The approach utilizes a simplified self-organizing neural network to accurately determine faults, such as open circuit faults in switching tubes and aging components. His second patent focuses on a graph theory-based method for locating instability fault sources in direct-current microgrids. This method employs advanced techniques like wavelet packet decomposition and graph convolutional neural networks to enhance fault diagnosis accuracy and operational stability.
Career Highlights
Hao Ma is affiliated with Zhejiang University, where he continues to advance research in electrical engineering and fault diagnosis technologies. His work has significantly contributed to the field, providing innovative solutions that improve the maintenance and operational capabilities of electrical systems.
Collaborations
Hao Ma has collaborated with notable colleagues, including Xueqi Liu and Xin Zhang, to further enhance the impact of his research and innovations.
Conclusion
Hao Ma's contributions to fault diagnosis technologies exemplify the importance of innovation in electrical engineering. His patents not only advance technical knowledge but also provide practical solutions for improving system reliability and efficiency.