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SurferBot: a wave-propelled aquatic vibrobot
Eugene Rhee1, Robert Hunt1, Stuart J Thomson1,2
1Brown University, Center for Fluid Mechanics and School of Engineering, 184 Hope St., Providence, RI 02912, United States of America.
Bioinspiration & Biomimetics
|June 14, 2022
Summary
Researchers developed the SurferBot, a small, vibrating robot inspired by honeybees. This device mimics natural hydrodynamic propulsion to move efficiently on water surfaces.
Area of Science:
- Fluid mechanics
- Robotics
- Biomimetics
Background:
- Nature utilizes diverse propulsion strategies at air-fluid interfaces.
- Honeybees (Apis mellifera) exhibit a unique survival mechanism for water surface escape.
Purpose of the Study:
- To present the SurferBot, a novel robotic device for fluid surface propulsion.
- To investigate hydrodynamic mechanisms analogous to honeybee locomotion.
- To explore applications in robotics and fluid mechanics pedagogy.
Main Methods:
- Design and construction of a centimeter-scale vibrating robotic device (SurferBot).
- Analysis of wave-generated, unbalanced momentum flux for propulsion.
- Experimental investigation of rectilinear motion and propulsive forces.
Main Results:
- The SurferBot achieves self-propulsion on fluid surfaces.
- Rectilinear motion is enabled by hydrodynamic forces.
- Propulsive force magnitude is comparable to that of a honeybee.
Conclusions:
- The SurferBot successfully mimics honeybee-inspired hydrodynamic propulsion.
- The device offers a platform for studying active particles at fluid interfaces.
- Potential applications exist in robotics and fluid mechanics education.
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