Ants can track their steps and direction internally to know where they are, while migratory birds use multiple cues at once to know direction, including detecting the Earth’s magnetic field
Ants can track their steps
Researchers have built a new navigation system based on how ants, birds, and mice move around, which could help robots navigate.
Ants can track their steps and direction internally to know where they are, while migratory birds use multiple cues at once to know direction, including detecting the Earth’s magnetic field.
Rats are able to build cognitive maps in their hippocampus. Robots, the team argues, can mimic these abilities using a quantum magnetometer (which detects magnetic field direction).
Other inputs from polarisation compass (to see sky polarisation), and a camera can be put through a Bayesian filter that fuses these inputs dynamically.
The new robot nav system can also perform the task of building a map when it sees important landmarks.
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