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Suggestions for Autonomous Boat?

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Old 05-23-2018, 08:20 PM
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CaptainGinyu
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Default Suggestions for Autonomous Boat?

Hi, I currently working (with a team of other people) on making an autonomous boat (a small size boat, not the kind of boat designed to carry people). For our boat, we want it to be able to navigate to certain GPS coordinates.

We are using a Raspberry Pi 3 with a Navio2 to control the boat. The Navio2 is basically an addon Raspberry Pi hat that has GPS, 2 IMUs, and PWM outputs for motors. It's mostly used for drones, but there are a few people out there who have actually used the Navio2 for boats. Any suggestions on the best way(s) to steer our boat? Is it worthwhile to use PID control for the boat? Among our team, we were discussing whether we really needed PID or if it would just be good enough with P-only control (proportional without integral and derivative). Any thoughts?

In addition, do you guys think the Navio2 even the best solution for controlling a robotic boat? If not, what other alternatives would you suggest for controlling boat movement/steering and acquiring GPS coordinates?
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