Xin Jing

Title: Innovations by Inventor Xin Jing: Advancements in Electric Machine Control

Introduction

Xin Jing, an accomplished inventor based in Rochester, MI, holds an impressive portfolio of six patents. Her contributions to the field of electric machine technology are noteworthy, especially in the control of rotary electric machines, showcasing innovations that enhance the efficiency and effectiveness of electric powertrains.

Latest Patents

Among her latest patents, Xin Jing has developed two significant methods for controlling transient operations of rotary electric machines. The first patent, titled "Open-loop control for transient operation of a rotary electric machine," introduces a method for controlling transient operations of variable flux machines (VFM). This method involves calculating necessary d-axis and q-axis delta current terms during a shunt angle transition to maintain output torque levels. By applying specific adjustments from a lookup table, her innovative approach ensures consistent performance during operational transitions.

The second patent, "Closed-loop control for transient operation of variable flux and permanent magnet electric machines," further advances this technology. This method focuses on providing a more precise control strategy by estimating output torque via a torque estimation block. Utilizing d-axis and q-axis current commands, along with actual shunt angle measurements, Xin's invention allows for real-time adjustments to maintain command output torque levels. This advancement can significantly improve the operational capabilities of electric machines within powertrain systems.

Career Highlights

Xin Jing's career is marked by her significant contributions at GM Global Technology Operations LLC, where she applies her expertise to develop ground-breaking technology in the electric machine sector. Her innovative mindset and technical skills have positioned her as a key player in her field, driving forward research and applications that have a real-world impact.

Collaborations

Working alongside notable colleagues such as Constantin C. Stancu and Brian A. Welchko, Xin has fostered a collaborative environment that encourages creativity and innovation. These partnerships have enabled her to leverage diverse knowledge and tackle complex engineering challenges effectively, culminating in advancements that strengthen the company's technological edge.

Conclusion

Xin Jing exemplifies the spirit of innovation, blending her technical knowledge with practical application to create significant advancements in electric machine control. Her patents not only illustrate her brilliance as an inventor but also reflect her dedication to enhancing the capabilities of electric powertrains, positioning her as a forward-thinking leader in the field. With her continued contributions, Xin remains poised to impact the industry profoundly.