Multi-robot collaborative exploration and mapping through Voronoi partition and DRL in unknown environment

Last update: Nov 22, 2022

Overview

Voronoi Multi_Robot Collaborate Exploration

Introduction

In the unknown environment, the cooperative exploration of multiple robots is completed by Voronoi partition and deep reinforcement learning. The decision-making level assigns different target positions to each mobile robot through Voronoi partition and point selection formula to minimize repeated exploration; The path planning layer uses the method based on deep reinforcement learning to make each mobile robot reach the corresponding target position without collision.

Enviroment

parameter	description
system	Ubuntu18.04 ; ROS(Melodic); Phython 2.7
simulator	Gazebo
display	Rviz
simulation car	Turtlebot3(Waffle)
senor	LiDAR
laser range	0.1 - 3.5 m
angle range	-90 - 90
laser numer	24

Run

dependency package

sudo apt-get install ros-melodic-joy ros-melodic-teleop-twist-joy ros-melodic-teleop-twist-keyboard ros-melodic-laser-proc ros-melodic-rgbd-launch ros-melodic-depthimage-to-laserscan ros-melodic-rosserial-arduino ros-melodic-rosserial-python ros-melodic-rosserial-server ros-melodic-rosserial-client ros-melodic-rosserial-msgs ros-melodic-amcl ros-melodic-map-server ros-melodic-move-base ros-melodic-urdf ros-melodic-xacro ros-melodic-compressed-image-transport ros-melodic-rqt-image-view ros-melodic-gmapping ros-melodic-navigation ros-melodic-interactive-markers ros-melodic-multirobot-map-merge

Add

pyyaml、rospkg、pytorch、torchvision、tensorflow 、tensorboard、mpi4py、joblib、gym、pathlib、wandb、Image、setproctitle、imageio

compile & run

> catkin_make 
> source devel/setup.bash
> roslaunch multi_turtlebot3_expore three_turtlebot3_gmapping.launch
> python ddpg_test.py

test

Move & mapping

Comparison of construction effects

Run in other environments

Avoid obstacle

Reference

hanlinniu/turtlebot3_ddpg_collision_avoidance：https://github.com/hanlinniu/turtlebot3_ddpg_collision_avoidance

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Comments

my confusion about move_base

Thanks for your contribution! I wonder why the move_base node is launched for each robot in the launch file. What does the move_base node do? Looking forward to your reply. Thank you!

opened by chengrj 0

Multi-robot collaborative exploration and mapping through Voronoi partition and DRL in unknown environment

Related tags

Overview

Voronoi Multi_Robot Collaborate Exploration

Introduction

Enviroment

Run

dependency package

compile & run

test

Move & mapping

Run in other environments

Reference

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Comments

my confusion about move_base

Owner

PeaceWord

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