Title: A Quad‐Unit Dielectric Elastomer Actuator for Programmable Two‐Dimensional Trajectories
Abstract: Resonant Bio-Inspired Actuators In article number 2300865, Chongjing Cao, Chuang Wu, Xiaozheng Li,and co-workers report a novel bio-inspired soft actuator that can output programmable two-dimensional quasi-static and resonant trajectories by coordinated actuation of four dielectric elastomer units. The two-dimensional trajectory programmable soft actuator design can significantly expand the versatility of soft actuators while maintaining the benefits of optimized power output from resonant actuation. The proposed design is envisioned to drive an agile hummingbird robot by mimicking the diverse flapping motions found in its natural counterparts.