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Report useful info: pitch, off_nom_roll, delta pitch/yaw/roll from current estimated att #25

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taldcroft opened this issue Feb 6, 2024 · 0 comments

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@taldcroft
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taldcroft commented Feb 6, 2024

pitch and off_nom_roll are a sanity check to help to confirm that the attitude solution is correct.

There is a step in the NSM recovery procedure where PCAD needs to verify that the "true" attitude from find_attitude or SAUSAGE matches the OBC estimated attitude to within 25 arcsec. This should be interpreted as a box halfwidth check using the delta pitch and delta yaw.

# Get q_att from MAUDE computed MSID "quat_aoattqt" (AOATTQT[1-4])` 
# Compute q_stars from find_attitude or SAUSAGE
dq = q_att.dq(q_stars)
print(dq.pitch * 3600, dq.yaw * 3600)
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