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About

Zhisen Li is a robotics researcher whose work centers on the design and control of compliant actuation systems for safe and precise physical human-robot interaction. His key contributions lie in variable stiffness actuators (VSAs) and force-position control, addressing fundamental challenges in robotic safety and industrial manufacturing. His most cited work introduces a novel compact variable stiffness actuator (CVSA) that uses a cable-pulley-driven mechanism to regulate spring preload, enabling safer, more adaptable robotic motion. Li has also advanced dynamic contact force tracking in uncertain environments through coupled force–position control, mitigating system oscillation issues common in traditional hybrid control approaches. His research extends to practical applications, including a parallel end effector for robotic grinding and a compliant joint based on antagonistic-driven torsion springs. With over 20 citations across his top papers, Li’s work is gaining recognition for bridging theoretical control strategies with real-world robotic tasks, particularly in assembly and grinding. His achievements demonstrate a clear trajectory toward safer, more dexterous robots capable of working alongside humans in industrial settings.