All Questions
9 questions
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From euler angles to rotation matrix and vice versa
I want to check if I am using the correct functions to transform from euler angles to rotation matrix and viceversa. I am using XY’Z” convention of euler intrinsic angles.
As example, I have the ...
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2
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Siciliano et al. Rotation Matrix Notation
I'm reading Siciliano et al.'s Robotics: Modeling, Planning and Control, and I'm confused about the notation used in definiting rotation matrices.
On page 46, they state
If $\textbf{R}_i^j$ denotes ...
1
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1
answer
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Rotate sensor frame to body frame
I'm working with a lsm303agr from ST. Here is the frame attached to the chip
Here is the body frame
So I have some doubts about the rotations, before to fuse data ...
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2
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geometric meaning of rotation matrices related to different frames
Consider the following rotation matrices:
$^{a}R_{b}$, $^{a}R_{c}$ and $^{a}R_{d}$
in which
$^{x}R_{y} \in SO(3)$ describes the orientation of a generic frame $y$ wrt the coordinates system of ...
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Aligning accelerometer readings with vehicle's frame of reference
I have a device with an accelerometer installed in a vehicle. Its orientation in relation to the vehicle is unknown. So I am looking for a reliable way to align the coordinate system of the ...
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Why do we parametrize matrices?
I'm learning about rotation matrices in class and one of the topics mentioned to parametrize a matrix.
What do we need to do this?
For further reference: https://www.youtube.com/watch?v=Y8gB7nvtmrU
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1
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Multiplication of rotation matrix help
I'm Watching Angela Sodemann video on 6DOF robots and am following her example, but I'm getting a different answer for my R3_6 matrix and I'm not sure where I'm going wrong. She uses this as her ...
- 127
1
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1
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Multiple Rotations via Matrix Multiplication
so I am having an issue understanding why you right multiply for current frame rotation vs left multiply for fixed frame.
Let us say you want to: Rotate about x, then Rotate about current y, then ...
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Conveyor Belt Calibration for a Robot - Rotation Matrix
Short Question:
As demonstrated in the image below, how can I calculate the rotation matrix that relates the base coordinate and the rectangle coordinate, given 3 known points P1, P2, P3 on the ...
