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ModifiedTUM_simulator

Author: Jan Dentler
Date: 25.10.2018
Email: jan.dentler@uni.lu

The AR.Drone 2.0 simulator is configured to subscribe control commands under the topic "/cmd_vel".

The AR.Drone 2.0 pose published under "/pose"

Launch gazebo scenario from commandline:

roslaunch cvg_sim\_gazebo ardrone_testworld.launch

Launch drone (Takeoff) from commandline:

rostopic pub -1 /ardrone/takeoff std_msgs/Empty

Move drone from commandline:

Control AR.Drone 2.0 in with denmpc: either to track center of UAV:

rosrun denmpc scenario_ardrone_pose_tracking_node

or to track with sensor constraint:

rosrun denmpc scenario_ardrone_sensor_tracking_node

and to send desired pose:

rostopic pub /desiredpose geometry_msgs/PoseStamd '{header: {stamp: now, frame_id: "map"}, pose: {position: {x: 0.0, y: 0.0, z: 2.0}, orientation: {x: 0.0, y: 0.0, z: 0.0, w: 1.0}}}'

tum_simulator on Indigo and Gazebo 7

These packages are used to simulate the flying robot Ardrone in ROS environment using gazebo simulator. Totally they are 4 packages. Their functions are descript as below:

  1. cvg_sim_gazebo: contains object models, sensor models, quadrocopter models, flying environment information and individual launch files for each objects and pure environment without any other objects.

  2. cvg_sim_gazebo_plugins: contains gazebo plugins for the quadrocopter model. quadrotor_simple_controller is used to control the robot motion and deliver navigation information, such as: /ardrone/navdata. Others are plugins for sensors in the quadrocopter, such as: IMU sensor, sonar sensor, GPS sensor.

  3. message_to_tf: is a package used to create a ros node, which transfers the ros topic /ground_truth/state to a /tf topic.

  4. cvg_sim_msgs: contains message forms for the simulator.

Some packages are based on the tu-darmstadt-ros-pkg by Stefan Kohlbrecher, TU Darmstadt.

This package depends on ardrone_autonomy package and gazebo7 so install these first.

How to install the simulator:

  1. Install gazebo7 and ardrone_autonomy package

  2. Create a workspace for the simulator

    mkdir -p ~/ardrone_simulator/src
cd  ~/ardrone_simulator/src
catkin_init_workspace

  3. Download package

    git clone https://github.com/iolyp/ardrone_simulator_gazebo7

  4. Build the simulator

    cd ..
catkin_make

  5. Source the environment

    source devel/setup.bash

How to run a simulation:

  1. Run a simulation by executing a launch file in cvg_sim_gazebo package:

    roslaunch cvg_sim_gazebo ardrone_testworld.launch

How to run a simulation using ar_track_alvar tags:

  1. Move the contents of ~/ardrone_simulator/src/cvg_sim_gazebo/meshes/ar_track_alvar_tags/ to ~/.gazebo/models

  2. Run simulation

    roslaunch cvg_sim_gazebo ar_tag.launch