Guille Sanchez
  • Member for 2 years, 10 months
  • Last seen more than a month ago
2 answers
3 votes
99 views
bluetooth that could track mobile phone location
1 votes

For localization problems, you will always need to have some references to look at (using only the IMUs of the phone will lead in error as time increases). For example, GPS uses the relative ...

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3 answers
3 votes
642 views
How to control the velocity of a mobile robot?
2 votes

The main problem controlling the wheels speed after the kinematics conversion is that you are only controlling the response of the wheels to the setpoint, not the linear velocity response and the ...

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2 answers
0 votes
77 views
SLAM and navigation
1 votes

From my point of view, the answer really depends on the context you are working in. For example, in most industrial applications when people refer to SLAM navigation, they incorrectly mean Lidar ...

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1 answers
4 votes
306 views
Scan Matching finds right rotation but false translation
2 votes

I have not checked your code, but I have faced the same problem and this is what I found (again, I don't know if it could be the same problem as you). One key point for ICP is where your 'zero' is ...

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1 answers
4 votes
260 views
Likelihood Field Matching
Accepted answer
2 votes

Basically, you are comparing the measurements of your scan with your previously computed map. You compare all your scans (line 2) for a certain time step that are not range_max (line 3). You compute ...

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1 answers
2 votes
110 views
How many encoders should I have?
Accepted answer
2 votes

Typically you will only need 2 encoders to estimate the velocity and the angle for a differential vehicle. If you are using more strategies than only the odometry for the localisation, you can ...

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2 answers
2 votes
754 views
How does fast slam creates grid maps?
4 votes

Grid based FastSlam relies on the same principle that Landmakr based FastSlam. The difference is that we are not working with each grid cell as a landmark, but the whole gridmap itself. For Grid ...

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