Jinquan Xu

Title: Innovations of Jinquan Xu in Motor Control Technology

Introduction

Jinquan Xu is a prominent inventor based in Beijing, China. He has made significant contributions to the field of motor control technology, particularly in the development of position sensorless control methods for fault-tolerant permanent magnet motor systems. His innovative approaches have the potential to enhance the performance and reliability of electric actuators.

Latest Patents

Jinquan Xu holds a patent for a "Position sensorless control method in low-speed region of fault-tolerant permanent magnet motor system based on envelope detection and non-orthogonal phase-locked loop." This patent describes a method that implements position sensorless control by injecting high-frequency voltage signals into two non-faulty phase windings of the motor. The method involves extracting high-frequency response currents, calculating differential mode inductances, and estimating rotor position and rotational speed signals. The controller developed through this patent is compact, accurate, and reliable, meeting the performance requirements of onboard electric actuators.

Career Highlights

Jinquan Xu is affiliated with Beihang University, where he continues to advance research in motor control systems. His work has garnered attention for its practical applications in various engineering fields. With a focus on enhancing the efficiency and reliability of motor systems, Xu's contributions are paving the way for future innovations.

Collaborations

Jinquan Xu has collaborated with notable colleagues, including Hong Lin Guo and Hao Fang. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in technology.

Conclusion

Jinquan Xu's innovative work in position sensorless control methods represents a significant advancement in motor control technology. His contributions are essential for the development of more efficient and reliable electric actuators. The impact of his inventions will likely resonate in various applications for years to come.