Hollow Piezoelectric Miniature Robot Inspired by the locomotive gait of crocodiles, Binbin Zhu and Yan Qing Wang in article number 2300612 introduce a hollow piezoelectric miniature robot (HPMR). Based on the hollow-center design, the robot realizes multiple motion outputs with single energy input, incorporating two working modes, oscillation and rotation. The HPMR satisfies the needs of miniaturization, rapid and accurate movement, and high adaptability to a certain extent; in particular, its amphibious mobility expands the application scenarios. This design concept gives the robot an enhanced ability to multitask in constrained spaces with equal energy input and fewer external components.
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