EliotBR
September 1, 2022, 9:04pm
6
Similar reasoning applies for position control, but it’s even more likely to work poorly than velocity control. In general, positioning requires a positioning-focused sensor.
This thread is a good starting point for understanding the various available techniques for underwater positioning. The rough relative costs in the main post haven’t been updated as new devices have come to market.
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In terms of actual devices, WaterLinked’s Underwater GPS and DVL pages provide some useful information about the technologies, and the DVL page includes a comparison with some other DVLs and GPS units. Beyond those mentioned there I’m also aware of Cerulean’s ROVL mkII and their DVL .