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fix waterlinked drive frame REP 103 compliance #617

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MrMondrian opened this issue Aug 22, 2024 · 0 comments
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fix waterlinked drive frame REP 103 compliance #617

MrMondrian opened this issue Aug 22, 2024 · 0 comments
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@MrMondrian
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MrMondrian commented Aug 22, 2024

The pose topic from the waterlinked driver is not REP 103 compliant. The velocity topic is so don't worry about that. If you want to add the dvl's dead reckon estimation to the EKF this will need to be fixed. To do this, rotate the quaternion and position by q:{w:0,x:1,y:0,z:0}. In more mathematical terms, apply the hamilton product to the dead reckon quaternion/position using that quaternion i just provided. the quaternion.rotate_vectors function can be used for the vector, but you need to manually do the hamilton product for the quaternion

when i say not rep 103 compliant i mean the z component of the reference frame is facing down not up (should be up)

hamilton product

@majdkhalife majdkhalife self-assigned this Sep 4, 2024
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