Company Filing History:
Years Active: 2017-2019
Title: Innovations of Qingbo Guo
Introduction
Qingbo Guo is a notable inventor based in Harbin, China. He has made significant contributions to the field of electromagnetic drive control systems and voice coil motors. With a total of three patents to his name, Guo's work showcases his expertise and innovative spirit.
Latest Patents
One of Guo's latest patents is an electromagnetic drive control system. This system comprises 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 connected in series, forming the left arm of the H-shaped full-bridge driving circuit. The right arm consists of a second FET and a third FET connected in series. The PWM control unit provides control signals to the FETs of both bridge arms. This configuration allows for a dual power circuit that significantly reduces output current ripple, enhances system stability, and lowers costs.
Another significant patent is the thrust compensation system of a dual-winding voice coil motor. This system is designed to drive a voice coil motor with main and secondary windings. The secondary windings are positioned between each pair of the main windings. The system includes a switch drive circuit powered by a controlled voltage source to drive the main windings, providing the necessary electromagnetic force. Additionally, a switch drive circuit for the secondary windings compensates for thrust ripple, ensuring a constant resultant force from both windings.
Career Highlights
Qingbo Guo is affiliated with the Harbin Institute of Technology, where he continues to advance his research and innovations. His work has garnered attention for its practical applications in various technologies.
Collaborations
Guo collaborates with esteemed colleagues, including Liyi Li and Donghua Pan. Their combined expertise contributes to the development of cutting-edge technologies in their field.
Conclusion
Qingbo Guo's innovative contributions to electromagnetic systems and voice coil motors highlight his role as a leading inventor in his field. His patents reflect a commitment to enhancing technology and improving system efficiencies.