RAVEN: A Swiss drone innovation that walks, jumps, and flies

O-Mag
EPFL

Once again, Switzerland’s research sector has demonstrated its leadership in cutting-edge technology. Scientists at EPFL in Lausanne have unveiled a groundbreaking robot that moves like a bird. Dubbed "RAVEN" (Robotic Avian-inspired Vehicle for multiple Environments), the robot can run, jump, and take to the skies with remarkable agility, drawing inspiration from the natural world.

Birds as the blueprint for innovation

Birds are among nature’s most versatile creatures, capable of running, climbing, hopping, and flying with incredible efficiency. Observing these abilities, particularly those of crows frequenting EPFL’s campus, researchers set out to replicate their mechanics. RAVEN’s design mirrors the unique proportions of birds’ legs and their movement, translating these natural principles into robotics. The result? A robot that mimics avian versatility like never before.

A game-changer for drone applications

Unlike conventional drones, RAVEN is designed to conquer rugged terrain and launch itself into flight without needing a runway or platform. This makes it an ideal candidate for operations in challenging or inaccessible environments.

Potential applications include:

  • Environmental Monitoring: Navigating delicate ecosystems or remote areas.
  • Search and Rescue: Offering swift assistance in disaster zones.
  • Agriculture: Operating effectively on both ground and air.
  • Package Delivery: Flexible solutions for urban and rural logistics.

“These results are just the beginning,” says Professor Dario Floreano, head of the Laboratory of Intelligent Systems at EPFL. “They represent a first step toward understanding the design and control principles of multimodal flying animals and translating them into agile, energy-efficient drones.”

Precision engineering meets nature’s efficiency

Developing RAVEN was no small feat. The team used mathematical modeling, computer simulations, and extensive testing to perfect its design. At just 620 grams, the robot strikes a delicate balance between functionality and weight. Key components are positioned close to the body, while a combination of springs and motors replicates the powerful tendons and muscles of birds.

Jump-starting innovation

One of RAVEN’s standout features is its ability to launch into flight with a jump. By harnessing both kinetic and potential energy, the robot can clear obstacles up to 26 centimeters high. This jump-start mechanism is especially effective in confined or challenging environments, setting RAVEN apart from traditional drones.

A glimpse into the future of robotics

RAVEN exemplifies how observing nature can lead to revolutionary breakthroughs. This innovative drone not only pushes the boundaries of existing technology but also opens doors to entirely new possibilities. With RAVEN, the vision of a drone as versatile as a bird is closer to reality than ever before.

SOURCE: EPFL, Swiss.tech

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