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Wave-like Robotic Locomotion between Highly Flexible Surfaces and Comparison to Worm Robot Locomotion
Dan Shachaf1, Rotem Katz1, David Zarrouk1
1Department of Mechanical Engineering, Ben Gurion University of the Negev, Beersheba 8410501, Israel.
Biomimetics (Basel, Switzerland)
|September 27, 2023
Summary
This study shows that wave locomotion robots can effectively navigate highly flexible surfaces. Wave locomotion outperforms worm locomotion, especially on more flexible terrains.
Area of Science:
- Robotics
- Locomotion Systems
- Flexible Mechanics
Background:
- Minimally actuated robots require novel locomotion strategies.
- Locomotion on compliant surfaces presents significant challenges.
- Understanding robot-surface interactions is crucial for effective movement.
Purpose of the Study:
- To analyze the locomotion of a wave-like robot on highly flexible surfaces.
- To determine the influence of surface flexibility, geometry, and friction on robot speed and advance ratio.
- To compare wave locomotion performance against worm locomotion.
Main Methods:
- Development of a simulation model to predict robot speed and locomotion conditions.
- Experimental validation of the simulation model using a physical robot.
- Comparative analysis of wave and worm locomotion on surfaces with varying flexibility.
Main Results:
- Wave locomotion enables consistent advancement even on highly flexible surfaces.
- Simulation results showed an average 11% relative difference compared to experimental data.
- Wave locomotion demonstrated superior performance over worm locomotion, particularly with increased surface flexibility.
Conclusions:
- Wave locomotion is a viable and effective strategy for robots operating on compliant terrains.
- The developed simulation model accurately predicts robot performance.
- Wave locomotion offers advantages over traditional methods like worm locomotion in challenging environments.
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