Questions tagged [coordinate-system]
The coordinate-system tag has no usage guidance.
11
questions
0
votes
1
answer
67
views
How do I convert a set of coordinate and rotation values
I'm an electrical engineer who needs to use a robot for their first time. I have a UR5 that I'm controlling through the rtde interface via Python. It seems that what I'm trying to do must be something ...
- 1
0
votes
0
answers
100
views
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 ...
0
votes
1
answer
58
views
Find a mistake in transformation between different coordinate frames in the WIP-calibration pipeline
I design the extrinsics calibration pipeline for the robotic agents, carrying onboard two sensors of different modalities. I aim to calibrate one of them (S) ...
- 131
0
votes
1
answer
134
views
How the motor commands are obtained from gcodes?
I have started my research with scara and cartesian robots for drawing robot. The gcodes are converted and given to robot. There are firmware like grbl, marlin, etc for this process. But I couldn't ...
0
votes
1
answer
101
views
How to extract robots coordinates using ICP algo
I would like to know How to extract robots localization from the icp or ndt algo, currently I'm using scan registration for this reason
- 123
2
votes
1
answer
118
views
Range of a heading angle [0,2π) or [−π,π)
Consider the unicycle dynamics in 2D plane:
$$\begin{array}{l}
\dot x = v\cos \varphi \\
\dot y = v\sin \varphi \\
\dot \varphi = \omega
\end{array}$$
What is the range of the heading angle $\phi$? ...
- 189
0
votes
0
answers
60
views
Finding orientation of object in 3D space
Given the above constellation, I have to find the orientation of object B in the coordinate system of Object C. The objects A and B are fixed to a certain place and the object C can move in freely in ...
0
votes
0
answers
50
views
Compute absolute position of obstacle in V-Rep from proximity sensor measurement
all. I am trying to construct the map of the environment by using the measurements from the proximity sensor in V-Rep. I have absolute position of the robot. So, I know the X1, Y1 coordinates of the ...
- 3
2
votes
2
answers
74
views
Compute path in absolute frame from sequence of measurements
I have a sequence of measurements $\{(x_i, y_i, \theta_i)\}_{i = 1 \:...\: N}$. Each of these represents the new pose of the robot seen from the previous pose, i.e. a measurement $(x', y', \theta')$ ...
- 189
0
votes
1
answer
55
views
How do you write unit tests for robotics related software?
In my case, I have a library handling 3D input data and want to write tests in order to make sure that my coordinate transform chains for getting the 3D points from A to B are correct.
The problem I ...
- 681
1
vote
1
answer
295
views
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 ...
