Ji Liu

Title: Innovations of Ji Liu in BBMC Technology

Introduction

Ji Liu is a prominent inventor based in Hunan, China, known for his significant contributions to the field of electrical engineering, particularly in the development of control systems for asynchronous motors. With a total of three patents to his name, Liu has made strides in optimizing the performance of BBMC (Bidirectional Boost Converter) systems.

Latest Patents

Liu's latest patents include a "Method for adaptively adjusting control parameters of BBMC-based speed regulation system of asynchronous motor." This invention establishes a mathematical model that connects optimization objects with optimization objectives, focusing on finite-time control parameters. The model aims to minimize total harmonic distortion in output voltage and deviations in capacitor voltage and output current. Liu employs an adaptive wolf pack algorithm to iteratively optimize multiple sets of control parameters, ensuring real-time adjustments based on load conditions.

Another notable patent is the "Method for self-adaptively optimizing parameters of a main circuit in a BBMC based on a current rating." This invention also establishes a mathematical model, with parameters of the main circuit as optimization objects. Liu's approach utilizes a multi-objective optimization satisfaction function and fitness function, adapting parameters based on varying current ratings. The use of numerical fitting methods allows for the determination of optimal parameters corresponding to different operational conditions.

Career Highlights

Ji Liu is affiliated with Hunan University of Science and Technology, where he continues to advance research in electrical engineering. His work has garnered attention for its innovative approaches to optimizing BBMC systems, contributing to more efficient motor control technologies.

Collaborations

Liu collaborates with notable colleagues, including Xiaoping Zhang and Ruirui Zhang, who share his commitment to advancing research in this specialized field.

Conclusion

Ji Liu's innovative patents and research contributions significantly enhance the efficiency and performance of BBMC systems. His work exemplifies the importance of adaptive control in modern electrical engineering applications.