ROS stack for Husarion ROSbot simulation and navigation.
This is a ROS stack that contains packages for the simulation and navigation of Husarion ROSbot. This version is based on the original stack is already tested on ROS Melodic.
To see the original stack for ROS Kinetic click here.
This stack contains URDF model for Gazebo simulation integrated with ROS as well as configuration files for use with ROS navigation package.
This package contains the URDF and other description files to simulate the robot in Gazebo. This package also contains launch files that launch the complete simulation of the robot.
Contains description files of the world or environment of the simulation.
Contains configuration files for ROS navigation package.
We assume that you are working on Ubuntu 18.04 and already have installed ROS Melodic. If not, follow the ROS install guide
Prepare the repository:
cd ~
mkdir ros_workspace
mkdir ros_workspace/src
cd ~/ros_workspace/src
catkin_init_workspace
cd ~/ros_workspace
catkin_make
Above commands should execute without any warnings or errors.
Clone this repository to your workspace:
cd ~/ros_workspace/src
git clone https://github.com/dionesius/rosbot_custom.git
Install depencencies:
cd ~/ros_workspace
rosdep install --from-paths src --ignore-src -r -y
Build the workspace:
cd ~/ros_workspace
catkin_make
From this moment you can use rosbot simulations. Please remember that each time, when you open new terminal window, you will need to load system variables:
source ~/ros_workspace/devel/setup.sh
Run the following commands below. Use the teleop to move the robot around to create an accurate and thorough map.
In Terminal 1, launch the Gazebo simulation:
roslaunch rosbot_description rosbot_rviz_gmapping.launch
In Terminal 2, start teleop and drive the ROSbot, observe in Rviz as the map is created:
roslaunch rosbot_navigation rosbot_teleop.launch
When you are satisfied with created map, you can save it. Open new terminal and save the map to some given path:
rosrun map_server map_saver -f ~/ros_workspace/src/rosbot_description/src/rosbot_navigation/maps/test_map
Now to make saved map loading possible you have to close all previous terminals and run the following commands below. Once loaded, use rviz to set 2D Nav Goal and the robot will autonomously reach the indicated position
In Terminal 1, launch the Gazebo simulation
roslaunch rosbot_description rosbot_rviz_amcl.launch
If you have any problems with laser scan it probably means that you don't have a dedicated graphic card (or lack appropriate drivers). If that's the case then you'll have to change couple of things in /rosbot_description/urdf/rosbot_gazebo file:
Find: <!-- If you cant't use your GPU comment RpLidar using GPU and uncomment RpLidar using CPU gazebo plugin. -->
next coment RpLidar using GPU using <!-- --> from <gazebo> to </gazebo> like below:
<!-- gazebo reference="rplidar">
<sensor type="gpu_ray" name="head_rplidar_sensor">
<pose>0 0 0 0 0 0</pose>
<visualize>false</visualize>
<update_rate>40</update_rate>
<ray>
<scan>
<horizontal>
<samples>720</samples>
<resolution>1</resolution>
<min_angle>-3.14159265</min_angle>
<max_angle>3.14159265</max_angle>
</horizontal>
</scan>
<range>
<min>0.2</min>
<max>30.0</max>
<resolution>0.01</resolution>
</range>
<noise>
<type>gaussian</type>
<mean>0.0</mean>
<stddev>0.01</stddev>
</noise>
</ray>
<plugin name="gazebo_ros_head_rplidar_controller" filename="libgazebo_ros_gpu_laser.so">
<topicName>/rosbot/laser/scan</topicName>
<frameName>rplidar</frameName>
</plugin>
</sensor>
</gazebo -->
Now uncomment RpLidar using CPU plugin removing <!-- -->.
If you want to make your laser scan visible just change:
<visualize>false</visualize>
to:
<visualize>true</visualize>
in the same plug in.