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Results tagged with mobile-robot
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user 127
A robot which is capable of moving from one place to another, usually of its own volition.
4
votes
Visual Odometry options?
In general, visual odometry is a method that performs odometric measurements using visual means. This rules out the SLAM component, since visual odometry is only a relative means of navigation (see my …
- 3,064
11
votes
Why do Mars rovers designers prefer wheels over tracks?
There are multiple reasons wheels may be prefered over treads. The main ones that apply to the mars rovers I would put as:
Mass is a critical property, especially for space exploration missions. Tre …
- 3,064
6
votes
Accepted
Protecting electronics against voltage/current extremes and bad polarity
I think this is a very relevant question for robotics, as you can spent a lot of time fixing your system if something went wrong in this area. Here are a few things to look out for:
Insulation: Idea …
- 3,064
1
vote
The uncertainty is big while the sensor is rather accurate at measuring a landmark in EKF-SLAM
You don't describe your setup in detail, and some of the units are missing, but my guess is that the $\sigma_\phi$ is mainly responsible for the initial error you are seeing.
$\sin( 0.5 ) \times 30 …
- 3,064
2
votes
Accepted
Addressing the sample impoverishment in particle filter
Your description of sample impoverishment and the way to fix it seems about right. Resampling only when the variance gets low is doing exactly what you are asking for when you say the measurements com …
- 3,064