ArticleScience advances2025
Rapid moving by liquid-amplified electrostatic rolling.
Article in Science advances, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
Funding
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Abstract
Mobile robots that simultaneously have fast speeds, sufficient load-carrying capabilities, and multiple locomotive functions have always been challenging to develop. Here, we introduce a liquid-amplified electrostatic rolling (LAER) mechanism, which elegantly integrates actuation and adhesion into a streamline single-degree-of-freedom structure. Based on this, we developed a rigid tethered LAER roller (0.015 grams) that exhibited a rapid moving speed of ~210 body length per second on ceilings and a flexible tethered roller (10.600 grams) that had a load-to-weight ratio of ~121 moving on the ground. Liquid regulating modules were embedded into LAER structures to exhibit controlled moving. We also developed a single-wheeled and two-wheeled untethered LAER robots with onboard power supply. Furthermore, we demonstrate a LAER linear actuator and a camera equipped untethered LAER robot for preliminary environmental monitoring. The lightweight, scalable LAER structure is promising to bring fast electrostatic actuators, motors, and robots with superior load-to-weight ratios and multimodal locomotion capabilities such as turning, circular moving, and plane-to-plane transitioning.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.