Sha He

Title: Innovations of Sha He in Brushless Motor Technology

Introduction

Sha He is an accomplished inventor based in Beijing, China. He has made significant contributions to the field of motor technology, particularly in the development of systems that enhance the performance of brushless motors. His innovative approach has led to the creation of a unique patent that addresses common challenges in motor operation.

Latest Patents

Sha He holds a patent for a "Sensorless commutation error compensation system and method for brushless motor." This system comprises a brushless motor and a commutation logic module circuit. The commutation logic module is connected to three virtual Hall signal output ends of the brushless motor. It receives three virtual Hall signals output by the motor, obtaining three error compensation angle signals based on these inputs. The system superimposes the error compensation angle signals with the virtual Hall signals to form superposition results. This allows for the adjustment of commutation timing, effectively compensating for commutation errors. By controlling these errors based on currents and counter-electromotive forces of three phases, the system reduces torque ripple and improves the working efficiency of the motor.

Career Highlights

Sha He is affiliated with Beihang University, where he continues to engage in research and development in motor technology. His work has garnered attention for its practical applications and innovative solutions to complex engineering problems.

Collaborations

Sha He has collaborated with notable colleagues, including Gang Liu and Hao Jin. Their combined expertise has contributed to advancements in the field of brushless motor technology.

Conclusion

Sha He's contributions to brushless motor technology exemplify the impact of innovative thinking in engineering. His patent for a sensorless commutation error compensation system showcases his ability to address critical challenges in motor performance. Through his work at Beihang University, he continues to push the boundaries of technology and improve efficiency in motor systems.