Tech Briefs Magazine - August 2024 - 6

5Wsof the
Who
A team of researchers at Delft University of
Technology has developed a drone that flies autonomously
using neuromorphic image processing
and control based on the workings of
animal brains.
Neuromorphic AI Drone
What
Animal brains use less data and energy compared
to current deep neural networks running on
graphics processing units (GPUs). Biological neurons
process information asynchronously, and
mostly communicate via electrical pulses called
spikes. Since sending such spikes costs energy, the
brain minimizes spiking, leading to sparse processing.
Inspired by these properties of animal brains,
engineers are developing new, neuromorphic processors.
These new processors allow to run spiking neural networks and promise to be much faster and more energy
efficient. The Delft team's drone uses neuromorphic vision and control for autonomous flight. Specifically, they developed
a spiking neural network that processes the signals from a neuromorphic camera and outputs control commands
that determine the drone's pose and thrust. Thanks to the network, the drone can perceive and control its own motion
in all directions. The results are extraordinary - during flight the drone's deep neural network processes data up to 64
times faster and consumes three times less energy than when running on a GPU.
The drone flying over a flower pattern. It illustrates the visual inputs the drone
receives from the neuromorphic camera in the corners. Red indicates pixels getting
darker, green indicates pixels getting brighter. (Image: Delft University)
Where
Delft University of Technology, The Netherlands
Why
The neuromorphic approach results in AI that runs faster and more efficiently, allowing deployment on much
smaller autonomous robots. Neuromorphic AI could enable all autonomous robots to be more intelligent.
When
Further developments of this technology may enable the leap for drones to become as small, agile, and smart as flying
insects or birds.
For more information, contact Marc de Kool at a.j.m.deKool@tudelft.nl; +31 06-1003-8065.
6
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Tech Briefs Magazine - August 2024

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Tech Briefs Magazine - August 2024 - Intro
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