Li Chen

Title: Innovations of Li Chen in Bidirectional Digital Switching Power Amplifiers

Introduction

Li Chen is a notable inventor based in Liaoning, China. He has made significant contributions to the field of electrical engineering, particularly in the development of advanced power amplifier technologies. His innovative work focuses on enhancing the efficiency and accuracy of digital switching power amplifiers.

Latest Patents

Li Chen holds a patent for a "Bidirectional digital switching power amplifier and multi-step current prediction control method." This invention relates to a bidirectional digital switching power amplifier based on a magnetic suspension drive platform. The multi-step current predictive control method he developed includes several key steps. These steps involve establishing a prediction model for the amplifier, introducing a feedback correction term for closed-loop prediction, and calculating an optimal modulation duty cycle through a value function. The method generates four PWM drive signals to control switch tubes, achieving effective current prediction control. This application significantly improves system control accuracy, resulting in a small steady-state error and a simple algorithm that is easy to implement digitally.

Career Highlights

Li Chen is affiliated with Shenyang University of Technology, where he continues to advance his research and development efforts. His work has garnered attention for its practical value and application prospects in various industries.

Collaborations

Li Chen collaborates with esteemed colleagues, including Feng Sun and Fangchao Xu, who contribute to his research endeavors and enhance the innovative environment at their institution.

Conclusion

Li Chen's contributions to the field of digital switching power amplifiers exemplify the impact of innovative thinking in engineering. His patent reflects a commitment to improving technology and offers promising applications for the future.