Hello - I’ve looked for low-cost DVL solutions to merge into an INS for an AUV mapping project. Curious if there is a project out there I haven’t found, or a group of people that are looking to bring something to market? Open source solutions don’t seem to have anything on it. Large corps have extr…

Hello Anthony. Thank you for the input. The processing overhead isn’t usually as power hungry as the transducers themselves. at 150ft the drive power could be hundreds of watts each time the transducer fires, but if altitude and power requirements are what you’re after, then a lower frequency (an…

Gcelec. That’s an impressive way to fish. How many can you bag per day? if you’re in relatively clear water near the bottom, optical may obviously be a good solution. What average altitude and depth would you anticipate requiring for an acoustic DVL?

Could not agree more. The two that I’ve found are (as stated above): Nortek DVL1000-300m https://www.nortekgroup.com/export/pdf/DVL1000%20-%20300%20m.pdf NavQuest 600 Micro DVL LinkQuest (Any others that I’m missing??) These are currently the baseline for getting to the bottom, and keeping a …

@BlueLink_PS Until recently, the vehicle has been fishing in Bermuda where the infestation isn’t as bad as it is here on the East Coast and Gulf. In Bermuda they’d fish about 30 or 40 a day, but now the vehicle is in Florida where we hope to be shooting over one hundred per day. Ultimately though,…

Does anyone know anything about using MBES for terrain locking to replace the DVL altogether? I’m assuming it’s just the range of the MBES’s that’s requiring another long range DVL for diving?

Another one to consider is the RDI 600 kHz Pathfinder DVL. ProductPage Teledyne Marine is a group of leading-edge subsea companies with technologies divided into 5 core segments; Imaging, Instruments, Interconnect, Seismic and Vehicles. I am aware of a Blue …

Both MBES and DVLs can reach 6km range or more (obviously at low frequencies only). Some survey setups can do terrain matching or terrain flow but, to my knowledge, it isn’t as good a quality, at least not compared to a high end 600kHz-1.2MHz head. Also, at higher altitueds, anything but a $500k …

A little discussion of the upcoming Cerulean Sonar DVL has been posted here: Doppler Velocity Log (DVL) - No pricing set yet, but it will definitely be less than a BlueROV2!

Cannot agree more, super exciting!

Low cost DVL for subsea navigation and merge with INS

General Discussion

wlkh (Kristian) April 1, 2020, 5:40pm 40

Hi everyone! Just wanted you to know that we just launched the DVL A50. Take a look here, we’re sure you’ll like it: Water Linked launches: DVL A50 Doppler Velocity Log

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Low cost DVL for subsea navigation and merge with INS

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Low cost DVL for subsea navigation and merge with INS

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