Teams,
We are trying to find an alternative to the DVL, to track the position of the robot in the pool. Our team has started to investigate using water flow sensors in multiple places on the sub combined with the depth sensor and on board imu in the pixhawk. This will allow us to theoretically track our position in the x, y, and z axis and will attempt to combat water current, which may spin each sensor at a different speed and therefore artificially change the location of the robot. We have not seen this approach taken in any other team's technical paper or website. What are your opinions of the viability of this approach/any pointers/has any team attempted this before? You can take a look at the amount of space that each of the flow sensors take up as we determined a check valve would be needed to allow for a single direction of flow of the water to be able to use the flow sensors in their stock configuration. We have not figured out a clean method (excluding epoxy) of water proofing the flow sensors without entirely encasing it in an enclosure. Let us know your thoughts.
We are trying to find an alternative to the DVL, to track the position of the robot in the pool. Our team has started to investigate using water flow sensors in multiple places on the sub combined with the depth sensor and on board imu in the pixhawk. This will allow us to theoretically track our position in the x, y, and z axis and will attempt to combat water current, which may spin each sensor at a different speed and therefore artificially change the location of the robot. We have not seen this approach taken in any other team's technical paper or website. What are your opinions of the viability of this approach/any pointers/has any team attempted this before? You can take a look at the amount of space that each of the flow sensors take up as we determined a check valve would be needed to allow for a single direction of flow of the water to be able to use the flow sensors in their stock configuration. We have not figured out a clean method (excluding epoxy) of water proofing the flow sensors without entirely encasing it in an enclosure. Let us know your thoughts.
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