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Closing in on the big voyage
Field test, trying out autonomous navigation under the surface.

AUV Emergency Buoy field testing
Soon we will cut the tether to our AUV Ålen. If something happens during a mission, this system can (literally) become a lifeline.

Successful test of depth control at GIH indoor pool
Looking at the telemetry data on the computer, we already knew that Ålen could go to, level out and hold a pre-determined depth in the murky waters of lake Trekanten. But seeing it do the same in a crystal-clear swimming pool is quite something else.

Demonstration of our emergency buoy
Outfitting the AUV Ålen with an emergency buoy for an upcoming non tethered autonomous mission. Here is some footage from us testing the system and a short explanation of how it works.

First run at GIH indoor swimming pool
When it was cold outside, our fingers were freezing and the computer battery was drained within an hour, we managed to squeeze ourselves into a local public swimming pool facility.

Partially successful test of dynamic dive controller
Field trip trying out the dynamic dive controller, using gamepad and cable.


Compensating for roll when controlling rudder
A work log of how we solved the problem of steering when the Eel is rolling.