Angular Misalignment Requirement: Vector Sum of N deg - Brian

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Discussion Overview

The discussion revolves around the technical requirement for initial angular misalignment in a project, specifically focusing on the vector sum of angular misalignments about the X and Y axes. Participants explore the implications of this requirement and seek clarification on its complexity.

Discussion Character

  • Technical explanation, Conceptual clarification

Main Points Raised

  • Brian presents a requirement stating the vector sum of angular misalignment about the X and Y axes and questions whether it can be expressed simply as sqrt(Theta_X^2 + Theta_Y^2) = Theta_Total < N.
  • Another participant requests clarification on the initial statement, suggesting it appears incomplete.
  • Brian later clarifies that the requirement includes a limit of 3.0 degrees of angular misalignment about the Z axis and that the vector sum of the individual misalignments on the X and Y axes must also be limited to 3.0 degrees.
  • A participant agrees with Brian's interpretation of the requirement, indicating a shared understanding of the mathematical expression presented.

Areas of Agreement / Disagreement

There is some agreement on the interpretation of the mathematical expression for the requirement, but the initial statement's clarity remains contested, and the complexity of the requirement is not fully resolved.

Contextual Notes

The discussion does not address potential assumptions or definitions related to the angular misalignment requirements, leaving some aspects unresolved.

bcarlson
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I have document that list different technical requirements on a project I'm working on.

One requirement is on initial angular misalignment.

It states:

Vector sum of N deg about X and Y axes.

Does this simply mean that the:

sqrt(Theta_X^2 + Theta_Y^2) = Theta_Total < N

Or is there something more complex going on here?

Thanks in advance.

Brian
 
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Vector sum of N deg about X and Y axes.

This looks like an incomplete sentence. Could you elaborate?
 
Its an excerpt from a table of requirements. The entire table entry for relative "Angular Missalignment" between two frames A and B consists of the two following requirements.

1.) They allow 3.0 degrees of angular missalignment about the Z axis.

2.) The also require that the vector sum of the individual missalignments on the X and Y axes be limited to 3.0 degrees.

Thanks,

Brian
 
sqrt(Theta_X^2 + Theta_Y^2) = Theta_Total < N
My interpretation of what the requirement means is the same as yours.
 

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