is MRPT a mentoring organization for GoSc this time ? 2019 ?
You can always compile the project from source: https://github.com/MRPT/mrpt#32-build-from-sources :)
And if that doesn't work try opening a new issue https://github.com/MRPT/mrpt/issues
Ubuntu MATE should run on raspi 2 and 3. On a side note, the jetson nano was recently release. Might be a better option for robotics considering the performance and GPU(although mrpt doesn't have cuda code).
It is already enabled ;-)
I have used ubuntu mate in rbpi3 with this ppa successfully, it's the fastest option
I am a absolute newbie in this field. ;-)
I am working in a robotic-based project of Indoor Positioning System.
For this purpose, we are building a robot similar to this: https://www.youtube.com/watch?v=uv2faO7GhXc
First Question: This 4 joints/4 wheels design (or architecture)...
What is its 'formal' denomination?
What is its 'formal' denomination?
Anyway, we have a ultrasonic indoor "GPS" than promise a +/2cm accuracy.
The challenge is to develop a autonomous drive in order to reach certain coordinates
in the XY plane. Or follow a path as tightly as possible...
in the XY plane. Or follow a path as tightly as possible...
What approach can I follow? What family of algorithms solve this kind of problem for mobile robots?
Can MRPT help me?
bergercookie https://en.wikipedia.org/wiki/Holonomic_(robotics)
Anyway, there are navigation algorithms in MRPT that can help you navigate from A -> B, given some sensor input. I guess the most popular one would be the reactive navigator: https://www.mrpt.org/tag/reactive-navigation/
bergercookie If you 're using ROS, MRPT also offers ROS wrappers: https://github.com/mrpt-ros-pkg/mrpt_navigation
bergercookie As far as I know though, either the reactive nav2d or the localisation nodes operate using 2D laser scans
Yes. I want to track in real-time. I get the position through a system of ultrasonic beacons.
The promised precision has an estimated +/-2 cm error. The idea is to stay as close as possible to the planned path.
The promised precision has an estimated +/-2 cm error. The idea is to stay as close as possible to the planned path.
Especially at the destination point.
bergercookie Is it a set of given (x,y) coords?
Actually, the path could have "curves", like the one that can grant a mathematical function (exponential, logarithm, ...).
bergercookie OK, but how do you reach that (x,y) representation to feed to your algoirthm?
If you have that (x,y) representation and your estimated position from your GPS-like system then you can implement simple PID controllers for the x,y (and theta?) of your robot to follow those waypoints
bergercookie Otherwise you have to "sense" where the line is relative to the robot and have some sort of feedback control loop to follow that line.Look up path planning algorithms or line following more specifically
I am a newbie. I have learnt ROS for a few weeks, and I've came across MRPT just a few days ago. I wonder what is the difference between ROS and MRPT. And Are there any resources to learn MRPT. Thank you
1 reply
ROS is a meta-operative system, in charge of allowing modules (nodes) to talk to each other. Then, ROS is used for robotics applications, but it's nowadays a quite general framework for distributed computing
MRPT is a set of C++ libraries, for writing robotics apps or libraries, that could be integrated into ROS, or not...
Hope that helps!