Lihua Liu

Title: Lihua Liu - Innovator in Motor Control Technology

Introduction

Lihua Liu is a notable inventor based in Dongguan, China. He has made significant contributions to the field of motor control technology, particularly in the development of systems that enhance the performance and safety of electric vehicles. His innovative approach has led to the creation of a patented technology that addresses critical aspects of motor angle detection and diagnosis.

Latest Patents

Lihua Liu holds a patent for a "Motor angle detection and diagnosis apparatus, motor controller, electric vehicle, and method." This invention involves a motor angle detection and diagnosis apparatus that connects to a drive motor using a resolver. The resolver outputs a resolver feedback signal representing the electrical angle of the drive motor. The apparatus features an angle sampling and diagnosis system that performs two-channel simultaneous sampling on the resolver feedback signal. It calculates a first electrical angle and a second electrical angle, diagnosing the data obtained in real time. This system ensures that the motor controller can enter a safe state if any diagnosis results are abnormal. The dual-channel sampling allows for angle decoding of at least an ASIL C, enhancing the reliability of motor control systems.

Career Highlights

Lihua Liu is currently employed at Huawei Technologies Co., Limited, where he continues to innovate in the field of motor control and electric vehicle technology. His work is instrumental in advancing the capabilities of electric vehicles, contributing to the growing demand for efficient and safe transportation solutions.

Collaborations

Lihua Liu collaborates with talented individuals such as Xuejuan Kong and Zhen Fang, who contribute to the innovative projects at Huawei Technologies. Their teamwork fosters an environment of creativity and technological advancement.

Conclusion

Lihua Liu's contributions to motor control technology exemplify the impact of innovation in the electric vehicle industry. His patented technology not only enhances performance but also prioritizes safety, marking him as a significant figure in the realm of modern inventions.