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About

Renxiao Xu is a pioneering researcher in soft robotics and flexible electronics, with a focus on developing bio-inspired actuators and sensors for human-machine interfaces. His most impactful work, the 2018 paper on piezoresistive stretchable strain sensors (123 citations), has significantly advanced wearable technology by enabling real-time motion detection and intuitive control of electronic devices. Xu’s innovative contributions include the design of pre-curved PVDF/PI unimorph structures for soft crawling actuators, achieving large curvature changes at remarkably low driving voltages—a breakthrough for insect-scale robotics. He further demonstrated precise trajectory control of piezoelectric soft robots by manipulating driving frequency, leveraging asymmetric structural designs to enhance maneuverability. More recently, Xu has explored untethered soft crawling robots powered by magnetic anisotropy, fabricating scalable devices with self-assembled iron filing meshes for autonomous locomotion. His work bridges materials science, mechanical engineering, and robotics, offering practical solutions for biomedical devices, environmental monitoring, and interactive systems. With a growing citation record and a portfolio of novel actuation strategies, Xu is recognized for pushing the boundaries of soft robotics toward smaller, more efficient, and untethered systems.