Yujie Liu

Title: Innovations of Yujie Liu in Power Supply Control

Introduction

Yujie Liu is a notable inventor based in Nanjing, China. He has made significant contributions to the field of power supply control, particularly in the development of methods for estimating inductor current and enhancing current sharing in multi-phase systems. With a total of two patents to his name, Liu's work demonstrates a commitment to advancing technology in electrical engineering.

Latest Patents

Yujie Liu's latest patents include an "Inductor current estimation method for DC-DC switching power supply." This innovative method utilizes a voltage sampling module, a data conversion module, a switching signal counting module, an inductor voltage calculation module, and a digital filter module. The process involves sampling input and output voltages to obtain converted values, comparing node voltage with a reference voltage to determine duty cycles, and ultimately estimating inductor current through digital filtering.

Another significant patent is the "Multi-phase high-precision current sharing control method applied to constant on-time control." This method addresses the current difference between continuously sampled currents and mean currents, utilizing a PI compensation module and a low-pass filter module to enhance control precision. The application of this method in a Buck converter demonstrates its potential to improve system stability and reliability.

Career Highlights

Yujie Liu is affiliated with Southeast University, where he continues to engage in research and development in electrical engineering. His work has garnered attention for its practical applications in power supply systems, showcasing his expertise in the field.

Collaborations

Liu collaborates with esteemed colleagues such as Shen Xu and Haiqing Zhang. Their combined efforts contribute to the advancement of innovative solutions in power supply technology.

Conclusion

Yujie Liu's contributions to the field of power supply control through his patents reflect his innovative spirit and dedication to engineering excellence. His work not only enhances the functionality of power supply systems but also paves the way for future advancements in the industry.