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Author Topic: Automating boat movment  (Read 654 times)

Umi_Ryuzuki

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Re: Automating boat movment
« Reply #25 on: October 15, 2019, 07:16:32 PM »

Can be done within reason.  :-)
.
https://diydrones.com/profiles/blogs/ardupilot-goes-into-the-water-3 .
https://diydrones.com/profiles/blogs/ardupilot-goes-into-the-water-4
.

SeaCharger was a great project to follow. The boat made it to Hawaii, and almost made it to New Zealand.
It was picked up by a cooperative freighter company and crew, and brought to shore. The rudder and propeller had been lost.
.
http://www.seacharger.com/ .
Read the section on recovery.  :-)
http://www.seacharger.com/tracking.html

Umi_Ryuzuki

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Re: Automating boat movment
« Reply #26 on: October 15, 2019, 08:06:24 PM »

So totally missed the small tank part of autonomous.  %)
.
I like the clear plexi in shallow water idea.  :-)

C-3PO

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Re: Automating boat movment
« Reply #27 on: October 16, 2019, 01:05:31 AM »

Miniatur Wunderland in Hamburg, Germany (look them up, you wonít regret it!) have been playing with autonomous ship control. They use several cameras on the ceiling and the vesselís navigation lights to determine the boatís heading and position and it then drives the boat remotely.


You could use differential GPS with a few cmís accuracy but those systems are typically bulky and very expensive.


It sounds like the low tech solution suits your needs better though.

Differential GPS

Information on the differential GPS concept - https://www.e-education.psu.edu/geog862/node/1828

A white paper on it's implementation with Arduino - https://pdfs.semanticscholar.org/1051/c94395f12686783da46b5cd6e607bfe2453c.pdf

Going to give this a go to see what results I get

C-3PO
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I think it's the way I have learnt most of my stuff - getting very stuck first...

Umi_Ryuzuki

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Re: Automating boat movment
« Reply #28 on: October 16, 2019, 07:10:07 PM »

Route out the desired path of travel in a sheet of Perspex.

Mount the Perspex 'x' inches below the surface of the water.

Attach a guide pin (dowel) to the underneath of the boat and locate the guide pin in the Perspex path

Well it sounds plausible :)

C-3PO

..


Here is the original Disneyland California Jungle ride track .
You need the rear guide pin or the boat may end up just pivoting and spinning around the forward guide pin.
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