Zhenao Sun

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About

Zhenao Sun is a leading researcher in advanced motion control systems, with a primary focus on high-precision servo control for industrial robotics and permanent magnet synchronous motor (PMSM) drives. His most cited work, "High-Precision Servo Control of Industrial Robot Driven by PMSM-DTC Utilizing Composite Active Vectors" (2019, 55 citations), introduces a novel direct torque control (NDTC) scheme that employs composite active vectors and discrete duty ratio modulation. This breakthrough significantly reduces torque ripple, flux ripple, and stator current harmonic distortion—key limitations of conventional DTC—while enhancing dynamic response and steady-state precision. By addressing critical errors in PMSM-driven robotic systems, Sun's contributions have directly improved the accuracy and reliability of industrial robot servo control, enabling more efficient automation in manufacturing. His work is widely recognized for bridging theoretical motor control advances with practical, high-performance applications, making him a notable figure in the fields of power electronics and mechatronics.