Kristi Morgansen, a University of Washington assistant professor of aeronautics and astronautics has succeeded in developing three Robofish that communicate with one another through wireless underwater communication. The research has been going on for the past five years.
The interesting features of Robofish are:
- the size of Robofish is of a 10 pound salmon.
- looks more like a real fish as it uses fins for its movement.
- use of fins helps Robofish
- to move with lesser drag.
- to produce lesser noise.
- to manoeuvre easily in constrained spaces.
- to achieve maximum efficiency.
- unlike other ocean robots, Robofish need not to come to the sea surface to communicate or share data with other Robofish using satellite communication.
- Robofish uses low frequency sonar pulses or pressure waves to communicate with each other in underwater.
- because of less battery power only short range communication is possible.
- as Robofish can communicate with each other in underwater, in future they can be deployed in groups
- to collect ocean data in less time
- to cover larger area in less time
- to reduce deployment of ocean research vessels
- the three Robofish were able to swim as a group in the same direction or in different directions.
Here are some photographs of Robofish.
More details are available at UWnews.
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