This inventor holds 2 USPTO granted patents. Top assignee: Zhejiang University. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Innovations of Fujiong Zhao in Sensorless Control Methods
Introduction
Fujiong Zhao is a notable inventor based in Zhejiang, China. He has made significant contributions to the field of motor control, particularly through his innovative approaches to sensorless control methods for permanent magnet synchronous motors (PMSM). His work is characterized by a focus on enhancing the efficiency and effectiveness of motor control systems.
Latest Patents
Fujiong Zhao holds a patent for a "Sensorless control method of permanent magnet synchronous motor." This invention presents a sensorless control method and a system for PMSM based on a Luenberger observer. The system comprises a power supply circuit, a sampling circuit, a main control circuit, and a drive circuit. The power supply circuit provides power to the other circuits, while the sampling circuit is responsible for obtaining the three-phase current of the motor. The main control circuit outputs control signals to the drive circuit to operate the PMSM. This invention utilizes an improved method for selecting the feedback coefficient of the Luenberger observer, making the selection process more convenient and effective. Additionally, it allows for the global selection of optimal parameters, leading to adaptive adjustments of feedback coefficients for enhanced observer performance, particularly when the rotational speed affects the position of the observer's pole.
Career Highlights
Fujiong Zhao is affiliated with Zhejiang University, where he continues to advance research in motor control technologies. His work has garnered attention for its practical applications and innovative methodologies.
Collaborations
Fujiong Zhao collaborates with esteemed colleagues, including Yuchen Wang and Xu Zhang, who contribute to his research endeavors and innovations in the field.
Conclusion
Fujiong Zhao's contributions to sensorless control methods for permanent magnet synchronous motors exemplify the innovative spirit of modern engineering. His work not only enhances motor control systems but also paves the way for future advancements in the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile