Jianyi Zhang

Title: Innovations of Jianyi Zhang in Permanent Magnet Synchronous Motor Control

Introduction

Jianyi Zhang is a prominent inventor based in Liaoning, China, known for his significant contributions to the field of motor control technology. With a total of three patents to his name, Zhang has developed innovative methods that enhance the performance and efficiency of permanent magnet synchronous motors (PMSMs).

Latest Patents

One of his latest patents is titled "Finite time speed control method for permanent magnet synchronous motor based on fast integral terminal sliding mode and disturbance estimation." This invention focuses on creating a mathematical model of the speed loop of a PMSM while addressing uncertainties in system parameters and unknown load torque. The method involves designing an improved fast integral terminal sliding surface and proposing a disturbance estimation technique using an adaptive fuzzy system. This approach ensures that the motor speed tracking error converges to zero within a finite time, thereby enhancing the rapidity of the PMSM speed regulating system.

Another notable patent is the "Speed control method for permanent magnet synchronous motor considering current saturation and disturbance suppression." This invention aims to maintain the motor current within a specified range to prevent control performance degradation due to current saturation. It effectively estimates and compensates for disturbances, including parameter uncertainties and unknown load torque, allowing for rapid and accurate speed control of the motor. This method also reduces the need for multiple sensors in industrial applications, thereby lowering system costs and improving stability.

Career Highlights

Jianyi Zhang is affiliated with Dalian University of Technology, where he continues to advance research in motor control technologies. His work has garnered attention for its practical applications in various industrial settings.

Collaborations

Zhang collaborates with Ximing Sun, contributing to the development of innovative solutions in the field of motor control.

Conclusion

Jianyi Zhang's contributions to the field of permanent magnet synchronous motor control demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of motor dynamics and control strategies, positioning him as a key figure in advancing motor technology.