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Run ORBSLAM2 on the Jetson Nano, using recorded rosbags (e.g., EUROC) or live footage from a Bebop2 Drone
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README.md
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README.md

Autonomous drone using ORBSLAM2 on the Jetson Nano

Run ORBSLAM2 on the Jetson Nano, using recorded rosbags (e.g., EUROC) or live footage from a Bebop2 Drone. Tested with Monocular camera in real time - https://www.youtube.com/watch?v=nSu7ru0SKbI&feature=youtu.be

The first part of the repo is based on the work of Thien Nguyen (hoangthien94)

Prerequisite

  • Start with a fresh flash for Jetson Nano.

Installation

  1. source /opt/ros/melodic/setup.bash
  2. export ROS_PACKAGE_PATH=${ROS_PACKAGE_PATH}:/home/your_comp/ORB_SLAM2_CUDA/Examples/ROS

Running OrbSLAM2 on the EUROC dataset:

Add the euroc.yaml configuration file from the EUROC dataset to:

~/ORB_SLAM2_CUDA/Examples/ROS/ORB_SLAM2_CUDA/conf

Change the ros_mono.launch in the original repo to the file in this repo.

Then, type the following commands in a terminal:

  1. sudo jetson_clocks
  2. roslaunch ~/ORB_SLAM2_CUDA/Examples/ROS/ORB_SLAM2_CUDA/launch/ros_mono.launch bUseViewer:=true
  3. rosbag play bag file (the bagfile is from EUROC)

Running OrbSLAM2 with the Bebop2 camera's video feed:

(See this link for additional help: https://forum.developer.parrot.com/t/sdk3-build-error/3274/3 )

Copy the bebop.yaml file from this repo to:

~/ORB_SLAM2_CUDA/Examples/ROS/ORB_SLAM2_CUDA/conf

Change the bebop_ros_mono.launch in the original repo to the file in this repo.

Then, type the following commands in a terminal:

  1. sudo jetson_clocks
  2. connect to bebop wifi
  3. roslaunch ~/bebop_ws/src/bebop_autonomy/bebop_driver/launch/bebop_node.launch
  4. roslaunch ~/ORB_SLAM2_CUDA/Examples/ROS/ORB_SLAM2_CUDA/launch/bebop_ros_mono.launch bUseViewer:=true (now, check the slam manually by moving drone around in your hand)

Close loop position control using the OrbSLAM2's pose as feedback:

Add the drone_control ros package from this repo to the src directory of bebop_ws, and build.

From now on please be very cautious

  1. In a terminal type: roslaunch ~/bebop_ws/src/drone_control_fb_slam/launch/drone_bebop_control.launch this will make the drone hover in one place using it's own OF and height sensors
  2. In a terminal type: rostopic pub --once /bebop/state_change std_msgs/Bool "data: true" this will make the drone hover in one place using the SLAM's pose
  3. To land the drone, rostopic pub --once /bebop/land std_msgs/Empty
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