Related Experiment Video
Updated: Jul 25, 2025

07:28
Author Spotlight: Using the MouseWalker to Quantify Locomotor Dysfunction in a Mouse Model of Spinal Cord Injury
Published on: March 24, 2023
3.0K
Multi-Modal Mobility Morphobot (M4) with appendage repurposing for locomotion plasticity enhancement
Eric Sihite1, Arash Kalantari2, Reza Nemovi1
1Aerospace Engineering Department, California Institute of Technology, 1200 E California Blvd, Pasadena, CA, USA.
Nature Communications
|June 27, 2023
Summary
Inspired by nature, the Multi-Modal Mobility Morphobot (M4) robot uses multi-functional appendages for versatile locomotion. This biomimetic robot can fly, roll, crawl, and more, enabling navigation across diverse and challenging terrains.
Area of Science:
- Robotics
- Biomimetics
- Locomotion
Background:
- Nature provides resilient locomotion strategies, with animals like birds repurposing appendages for varied movement.
- Robotic biomimicry of these strategies can lead to advanced mobile robots capable of complex navigation.
Purpose of the Study:
- To design and demonstrate a robot inspired by animal appendage repurposing for multi-modal locomotion.
- To create a robot capable of navigating unstructured, multi-substrate environments autonomously.
Main Methods:
- Designed the Multi-Modal Mobility Morphobot (M4) robot with multi-functional components.
- Integrated various actuator types enabling diverse locomotion modes: flying, rolling, crawling, balancing, and loco-manipulation.
- Equipped M4 with onboard computers and sensors for autonomous operation.
Main Results:
- M4 successfully demonstrated eight distinct locomotion modes, including flight, rolling, crawling, and balancing.
- The robot navigated steep slopes (up to 45 degrees) and rough terrains with large obstacles in balancing mode.
- Experiments showcased M4's autonomous capability to negotiate unstructured environments.
Conclusions:
- The M4 robot exemplifies successful biomimicry, achieving unparalleled mobility through multi-functional appendage repurposing.
- This design offers a pathway for developing highly adaptable robots for complex, real-world environments.
More Related Videos
Related Concept Videos
Morphogenesis
28.5K
Plant morphogenesis—the development of a plant’s form and structure—involves several overlapping developmental processes, including growth and cell differentiation. Precursor cells differentiate into specific cell types, which are organized into the tissues and organ systems that make up the functional plant.
28.5K
Plasticity
2.2K
Plasticity is the property where an object loses its elasticity and undergoes irreversible deformation, even after the deformation forces are eliminated. If a material deforms irreversibly without increasing stress or load, then this is called ideal plasticity. For example, when a force is applied to an aluminum rod, it changes its shape, but it does not return to its original shape once the force is removed. Plastic deformation or ductility is thus a permanent deformation or change in the...
2.2K

