Ji-il Park

Republic of Korea Army, Yeungnam University, Korea Advanced Institute of Science and Technology

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About

Ji-il Park is a leading researcher in the field of assistive robotics and human-machine interaction, with a focus on developing innovative, compliant, and user-friendly robotic systems for rehabilitation and mobility assistance. His work centers on the design of lightweight, high-performance actuators and body-weight support mechanisms that prioritize both safety and natural movement. Park’s major contributions include the creation of the SoftGait, a simple yet powerful weight-support device for walking and squatting, which achieves high force fidelity during stance and low impedance during swing to avoid disturbing natural leg motion—a critical advancement in lower-limb assistive robotics. He has also pioneered the use of adaptive variable-radius pulleys in tendon-driven robotic joints, enabling passive torque adaptation without complex control systems, and developed a compact series elastic element using a rubber compression mechanism, offering higher energy density for safer human-robot interaction. With over 20 cumulative citations across his most influential works, Park’s research is shaping the next generation of wearable robots, exoskeletons, and rehabilitation devices. His notable achievements include advancing twisted-string actuator control and creating novel elastic elements that improve both performance and user comfort in human-machine systems.