This inventor holds 3 USPTO granted patents. Top assignees: Harbin Institute of Technology, Huazhong University of Science and Technology. Active years: 2020-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Harbin, CN (2020)
- Hubei, CN (2021)
Company Filing History:
3 out of 209 
1 out of 531 Years Active: 2020-2025
Title: Innovations by Dianguo Xu: Pioneering Advances in Servo Systems and Induction Motors
Introduction
Dianguo Xu is a notable inventor based in Hubei, China, recognized for his contributions to the fields of servo systems and induction motor control. With a total of 3 patents to his name, Xu has developed innovative methods that enhance the performance and efficiency of these systems. His work reflects a deep understanding of engineering principles and a commitment to advancing technology.
Latest Patents
Xu's latest patents include a method and device for tuning the stiffness of a servo system. This invention involves reconstructing a characteristic signal of the servo system and calculating a vibration characteristic covariance coefficient. By tuning the stiffness based on these calculations, the system's compatibility and intelligence are significantly improved.
Another significant patent is the virtual voltage injection-based speed sensor-less driving control method for induction motors. This method allows for the injection of a virtual voltage signal into the motor's flux linkage and rotating speed observer. This innovation ensures that the induction motor can output 150% of its rated torque even at low synchronous rotating speeds, maintaining stability over extended periods.
Career Highlights
Dianguo Xu has worked at prestigious institutions such as Harbin Institute of Technology and Huazhong University of Science and Technology. His experience in these organizations has contributed to his expertise in developing advanced control methods for electrical systems.
Collaborations
Throughout his career, Xu has collaborated with notable colleagues, including Yangyang Chen and Wei Wang. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Dianguo Xu's contributions to the fields of servo systems and induction motors demonstrate his innovative spirit and technical expertise. His patents not only advance the technology but also pave the way for future developments in these critical areas.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile