Company Filing History:
Years Active: 2023-2024
Title: Feifan Ji: Innovator in Vehicle Motor Technology
Introduction
Feifan Ji is a prominent inventor based in Hangzhou, China. He has made significant contributions to the field of vehicle motor technology, particularly in the development of methods for enhancing the efficiency and accuracy of permanent magnet synchronous motors. With a total of 2 patents, Ji's work is paving the way for advancements in electric vehicle performance.
Latest Patents
Feifan Ji's latest patents include two innovative methods aimed at improving the operation of vehicle permanent magnet synchronous motors based on DC power. The first patent, titled "Method for tracing MTPA curve of vehicle permanent magnet synchronous motor based on DC power," introduces a system that alleviates the need for tedious manual calibration. This method features a current closed-loop adjuster, a current command generator, and an active power calculator, among other components. It allows for automatic searching of the optimal angle, thereby enhancing production efficiency and calibration accuracy.
The second patent, "Vector control method for vehicle permanent magnet synchronous motor based on DC power," presents a vector control approach that ensures stability during operation. This method includes a modulation index deviation calculator and a current command angle compensator. By maintaining the adjusting direction in a flux-weakening manner, it prevents instability caused by repeated adjustments. This innovation ensures that excessive output torque deviation is avoided, thereby maintaining the accuracy of the torque.
Career Highlights
Feifan Ji is affiliated with Hangzhou City University, where he continues to engage in research and development in the field of motor technology. His work is characterized by a commitment to improving the efficiency and reliability of electric vehicle systems. Ji's contributions are recognized within the academic and engineering communities, reflecting his expertise and innovative spirit.
Collaborations
Feifan Ji collaborates with notable colleagues, including Jing Li and Yuwei Chen. Their combined efforts contribute to the advancement of research in vehicle motor technology, fostering an environment of innovation and discovery.
Conclusion
Feifan Ji's work in the field of vehicle motor technology exemplifies the impact of innovative thinking on the future of electric vehicles. His patents not only enhance the efficiency of motor operations but also contribute to the overall advancement of sustainable transportation solutions.