Questions tagged [ros]

ROS (Robot Operating System) is a free, open-source robot software framework developed by Willow Garage.

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ROS : Performing 2-D Pedestrian Dead Reckoning on an AR Drone and displaying location on a floorplan [closed]

I'm trying to find a way where I can estimate the location of my drone on a floorplan. Note that right now, I will just be moving the drone around manually and not flying it. I read up on PDR and ...
14
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1answer
2k views

ROS: Best practices?

I'm going to build a small robot system, and it seems like that ROS serves a nice framework to control and program the system. However, I am wondering which is the best practice to manage the ...
28
votes
12answers
13k views

Can ROS run on a Raspberry Pi?

Can ROS run on a Raspberry Pi? ROS is resigned to run on a network of machines, with different machines, even different cores on the same machine doing different jobs. Can one of those machines be a ...
16
votes
2answers
6k views

How to choose a good IMU for a wheeled robot?

At our lab, we have a several "Kurt" type robots (about the size of a Pioneer, six wheels, differential drive). The built-in gyroscopes are by now really outdated; the main problem is that the ...
4
votes
1answer
10k views

How to get a python node in ROS subscribe to multiple topics?

How a ROS node written in Python could subscribe to multiple topics and publish to multiple topics? All examples I found were for a single topic. Is this an event-driven model so subscription to ...
6
votes
1answer
2k views

Implementing a boustrophedon algorithm in a given room with obstacles

I have a mobile robot which is navigating around a room, I already have the map of the room. I am using the navigation_stack of ROS. I am using rotary encoders for odometry. I am fusing the data from ...
4
votes
1answer
2k views

ROS: catkin_make vs. catkin build

When using ROS: Why use catkin build from catkin_tools instead of catkin_make? I've been told catkin build is better but no one who tells me this can give me a reason why.
2
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1answer
739 views

Tf frame origin is offset from the actual base_link

I have built my differential drive mobile robot in solidworks and converted that to URDF file using soliworks2urdf converter. I successfully launched and robot and simulated with tele-operation node. ...
1
vote
1answer
128 views

Python PID tuning - Parrot Bebop 2 - Target follower - ROS

I'm developing a PID controller for making the drone follow a detected object. I used as reference these topics: Ttracking-objects-from-camera-pid-controlling-parrot-ar-drone Tracking-objects-...
1
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0answers
44 views

Gazebo crashes and burns launching empty world in new package [closed]

I'm launching empty_world copied into my package with the command roslaunch my_package empty_world.launch. Here is ...
0
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0answers
51 views

Looking for a model in a gazebo

I have a small world file, say ...
0
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0answers
114 views

Required library XENOMAI NOT FOUND

I am following this tutorial to install orocos in my system with ubuntu 16.06, xenomai 3.0.5. But i'm getting error: ...