Junjie Hong

Title: Innovations of Junjie Hong in Electromagnetic Drive Control Systems.

Introduction

Junjie Hong is a notable inventor based in Harbin, China. He has made significant contributions to the field of electromagnetic drive control systems. His innovative approach has led to the development of a unique patent that enhances the precision and stability of such systems.

Latest Patents

Junjie Hong holds a patent for an electromagnetic drive control system. This system features an H-shaped full bridge driving circuit connected to a controlled electromagnetic unit. It includes a first field effect transistor (FET) and a fourth FET in series, forming the left arm of the circuit, while a second FET and a third FET constitute the right arm. The system utilizes a PWM control unit to provide control signals to the FETs. Notably, the left arm incorporates a first DC voltage source, and the right arm includes a second DC voltage source, creating a dual power circuit. This configuration significantly reduces output current ripple and allows for super-high precision control under lower switching frequencies. Consequently, it improves system stability, reduces losses, and decreases the cost of the drive controller.

Career Highlights

Junjie Hong is affiliated with the Harbin Institute of Technology, where he continues to advance his research and development efforts. His work has garnered attention for its practical applications in various industries.

Collaborations

Junjie collaborates with esteemed colleagues, including Liyi Li and Donghua Pan, who contribute to his research endeavors.

Conclusion

Junjie Hong's innovative work in electromagnetic drive control systems exemplifies the impact of modern inventions on technology. His contributions not only enhance system performance but also pave the way for future advancements in the field.