[Ubuntu+ROS2] LG CLOiSim Simulator ์„ค์น˜ ๋ฐ ๊ตฌ๋™

2022. 7. 26. 17:50ยท๐Ÿ’ป Language/ROS : ๋กœ๋ด‡์‹œ์Šคํ…œ
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CLOiSim?

LG์—์„œ ์ œ์ž‘ํ•œ Simulator๋กœ, 3D ์„ธ๊ณ„ ํ™˜๊ฒฝ๊ณผ ๋กœ๋ด‡ ์„ค๋ช…์ด ํฌํ•จ๋œ SDF ํŒŒ์ผ์„ ์‚ฌ์šฉํ•˜๋Š” ๋ฉ€ํ‹ฐ ๋กœ๋ด‡ ์‹œ๋ฎฌ๋ ˆ์ดํ„ฐ์ด๋‹ค. Unity 3D๋ฅผ ๊ธฐ๋ฐ˜์œผ๋กœ ๋™์ž‘ํ•˜๋ฉฐ, ์—ฌ๋Ÿฌ ์„ผ์„œ๊ฐ€ ์žฅ์ฐฉ๋œ ๋กœ๋ด‡์„ ์ง€์›ํ•˜๋Š” ๋“ฑ Gazebo์™€ ์œ ์‚ฌํ•˜๊ฒŒ ๋™์ž‘ํ•˜๋Š” ๊ฒƒ์ฒ˜๋Ÿผ ๋ณด์ผ ์ˆ˜ ์žˆ๋‹ค.

  • C#์šฉ SDF Parser
  • ๋‹จ์ผ์„ฑ์„ ์œ„ํ•œ SDF ๋กœ๋ด‡ ๊ตฌํ˜„ > ์‹œ๊ฐ/์ถฉ๋Œ/์„ผ์„œ/๋ฌผ๋ฆฌ ๊ด€์ ˆ
  • Unity 3D์šฉ SDF ํ”Œ๋Ÿฌ๊ทธ์ธ
  • UI ๋ชจ๋“ˆ > ํ™”๋ฉด ์ •๋ณด ๋ชจ๋“ˆ
  • ๋„คํŠธ์›Œํฌ ๋ชจ๋“ˆ -> ์„ผ์„œ ๋ฐ์ดํ„ฐ ๋˜๋Š” ์ œ์–ด ์‹ ํ˜ธ๋ฅผ ์ „์†กํ•˜๋Š” ๋ชจ๋“ˆ
  • ์›น ์„œ๋น„์Šค -> ์›น ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ํ†ตํ•œ ์‹œ๋ฎฌ๋ ˆ์ด์…˜ ์ œ์–ด ๋ชจ๋“ˆ

CLOiSim์€ Gazebo์™€ ๋น„๊ตํ•˜์—ฌ ์œ„์™€ ๊ฐ™์€ ๊ธฐ๋Šฅ์„ ์ถ”๊ฐ€๋กœ ์ œ๊ณตํ•œ๋‹ค. ๋” ์ž์„ธํ•œ ๋‚ด์šฉ์€ ๊ณต์‹ Github๋ฅผ ์ฐธ์กฐํ•˜์ž.

 

LGE-ROS2

'lge-ros2' project is now heading to next-generation robotics world by cloud robotics framework with 5G connections. - LGE-ROS2

github.com

 

 

CLOiSim Install

ํ˜น์‹œ๋‚˜ ํ•˜๋Š” ์ƒํ™ฉ์— ์šฐ๋ถ„ํˆฌ ์ž์ฒด๊ฐ€ ๋‚ ์•„๊ฐ€๋Š” ๊ฑธ ๋ง‰๊ธฐ ์œ„ํ•ด ๋„์ปค, ์ฝ˜๋‹ค ๋“ฑ ๊ฐ€์ƒํ™˜๊ฒฝ ์‚ฌ์šฉ์„ ์Šต๊ด€ํ™”ํ•˜๊ณ  ์žˆ๋‹ค. ์ด๋ฒˆ์—๋„ ๋„์ปค๋ฅผ ์‚ฌ์šฉํ•  ๊ฒƒ์ธ๋ฐ, ํด๋กœ์ด์‹ฌ ๋ฐฐํฌ์‚ฌ์—์„œ ๊ณต์‹ ๋„์ปค ์ด๋ฏธ์ง€๋ฅผ ์ง€์›ํ•˜๊ณ  ์žˆ์œผ๋ฏ€๋กœ ํ•ด๋‹น ํŒŒ์ผ์„ ์‚ฌ์šฉํ•˜์ž.

 

GitHub - lge-ros2/cloisim: Unity3D based multi-robot simulator can bring-up simulation environment by SDF(Simulation Description

Unity3D based multi-robot simulator can bring-up simulation environment by SDF(Simulation Description File) easily. And it supports to connect ROS2 through cloisim_ros. - GitHub - lge-ros2/cloisim:...

github.com

CLOiSim Github์˜ Repository๋ฅผ Cloneํ•˜๊ณ , Docker ๋””๋ ‰ํ† ๋ฆฌ๋กœ ์ด๋™ํ•˜์—ฌ ์ด๋ฏธ์ง€๋ฅผ ๋นŒ๋“œํ•œ๋‹ค.

docker build -t cloisim .

์ด๋ฏธ์ง€๊ฐ€ ์ƒ์„ฑ๋˜์—ˆ๋‹ค๋ฉด(docker images ๋ช…๋ น ์ž…๋ ฅํ•˜์—ฌ ํ™•์ธ ๊ฐ€๋Šฅ) sample_resources๋ฅผ ๊ฐ™์€ ๋ฐฉ๋ฒ•์œผ๋กœ Cloneํ•ด์•ผ ํ•œ๋‹ค.

# Cloneํ•  ๋””๋ ‰ํ„ฐ๋ฆฌ๋Š” ์ž„์˜์˜ ์›Œํฌ์ŠคํŽ˜์ด์Šค๋กœ ์ง€์ •ํ•˜๋ฉด๋จ.
$ git clone https://github.com/lge-ros2/sample_resources.git

$CLOISIM_RESOURCES_PATH ๋ณ€์ˆ˜์— Cloneํ•œ ๋ฆฌ์†Œ์Šค์˜ PATH๋ฅผ ํ• ๋‹นํ•ด์ค€๋‹ค. ์—ฐ๊ณ„๋œ ํŒŒ์ผ์—์„œ ๋ฆฌ์†Œ์Šค๋ฅผ ๊ฐ€์ ธ์˜ฌ ๋•Œ ์‚ฌ์šฉ๋˜๋Š” ๊ฒฝ๋กœ๋กœ, ํ• ๋‹นํ•ด์ฃผ์ง€ ์•Š์œผ๋ฉด ์‹คํ–‰์ด ๋ถˆ๊ฐ€ํ•˜๋‹ˆ ๊ผญ ํ•ด์ฃผ์–ด์•ผ ํ•œ๋‹ค.

export CLOISIM_RESOURCES_PATH=/<simulator-environment-PATH>/sample_resources/
./start.sh lg_seocho.world

์—ฌ๊ธฐ๊นŒ์ง€ ํ–ˆ๋‹ค๋ฉด ์ปจํ…Œ์ด๋„ˆ๊ฐ€ ์ž๋™์œผ๋กœ ์ƒ์„ฑ ๋ฐ ์‹คํ–‰๋˜๊ณ , ๋„์ปค ํ™˜๊ฒฝ์—์„œ ํด๋กœ์ด์‹ฌ ๋ฐ๋ชจ(LG ์„œ์ดˆ๊ตฌ ์‚ฌ์˜ฅ์ธ ๊ฒƒ ๊ฐ™์Œ)๊ฐ€ ์‹คํ–‰๋ ํ…๋ฐ, ๋งŒ์•ฝ ์•ˆ๋œ๋‹ค๋ฉด ๋”๋ณด๊ธฐ๋ž€์„ ์ฐธ๊ณ ํ•˜๋ฉด ๋œ๋‹ค.

 

๋”๋ณด๊ธฐ

CLOiSim์€ Vulkan ํ”„๋กœ์ ํŠธ์™€ ์—ฐ๊ณ„๋˜์–ด ์žˆ์–ด ์–‘์ธก์˜ ์—…๋ฐ์ดํŠธ ๋ฒ„์ „์ด ์ผ์น˜ํ•ด์•ผ ์‹คํ–‰์ด ๊ฐ€๋Šฅํ•œ ๊ตฌ์กฐ๋กœ ์ด๋ฃจ์–ด์ ธ ์žˆ๋‹ค. ๊ทธ๋Ÿฐ๋ฐ, Vulkan์˜ ๋ฒ„์ „์€ ์—…๊ทธ๋ ˆ์ด๋“œ๋˜์—ˆ์œผ๋‚˜ CLOiSim์€ ๋ฒ„์ „์ด ์œ ์ง€๋˜๊ณ  ์žˆ์–ด ์‹œ๋ฎฌ๋ ˆ์ดํ„ฐ ์‹คํ–‰์ด ๋ถˆ๊ฐ€ํ•œ ์ƒํ™ฉ์ด ๋ฐœ์ƒํ–ˆ๋‹ค.

 

๋„์ปค ์ด๋ฏธ์ง€&์ปจํ…Œ์ด๋„ˆ ๋นŒ๋“œ์— ์‚ฌ์šฉ๋˜๋Š” ์•„๋ž˜ ๋‘ ํŒŒ์ผ์—์„œ ํ•ด๋‹น ๋ถ€๋ถ„์„ ์ˆ˜์ •ํ•˜์—ฌ buildํ•˜๋ฉด ์ •์ƒ์ ์œผ๋กœ ์‚ฌ์šฉ ๊ฐ€๋Šฅํ•˜๋‹ค.

 

DockerFile

FROM ubuntu:20.04

# configuration for Nvidia capability
ENV DEBIAN_FRONTEND=noninteractive \
    NVIDIA_VISIBLE_DEVICES=all \
    NVIDIA_DRIVER_CAPABILITIES=graphics,display

# Prerequisite for Vulkan capability
#ADD https://gitlab.com/nvidia/container-images/vulkan/raw/master/nvidia_icd.json /etc/vulkan/icd.d/nvidia_icd.json
ADD https://github.com/Babbleshack/nvidia-vulkan-container/blob/master/nvidia_icd.json /etc/vulkan/icd.d/nvidia_icd.json 

RUN apt-get update -qq && \
    apt-get upgrade -qq -y && \
    apt-get install --no-install-recommends -qq -y \
        xz-utils wget curl ca-certificates libgl1 libvulkan1 libc6-dev libxcursor1 libminizip-dev \
    && rm -rf /var/lib/apt/lists/* \
    && apt-get clean

# Get version info and extract simulator and remove downloaded file
RUN export CLOISIM_VERSION=$(curl -Ls -o /dev/null -w %{url_effective} --url https://github.com/lge-ros2/cloisim/releases/latest | cut -d'/' -f8) && \
#    export CLOISIM_TARGETFILE=CLOiSim-${CLOISIM_VERSION} && \
    export CLOISIM_TARGETFILE=CLOiSim-linux-${CLOISIM_VERSION} && \
    wget -q --directory-prefix /tmp "https://github.com/lge-ros2/cloisim/releases/download/${CLOISIM_VERSION}/${CLOISIM_TARGETFILE}.tar.xz" && \
    tar -xf /tmp/${CLOISIM_TARGETFILE}.tar.xz -C /tmp && rm /tmp/${CLOISIM_TARGETFILE}.tar.xz && \
    mv /tmp/${CLOISIM_TARGETFILE} /opt/ && \
    ln -s /opt/${CLOISIM_TARGETFILE} /opt/CLOiSim

ENV CLOISIM_FILES_PATH=/opt/resources/media \
    CLOISIM_MODEL_PATH=/opt/resources/models \
    CLOISIM_WORLD_PATH=/opt/resources/worlds

# final simulatior location
WORKDIR /opt/CLOiSim

ENTRYPOINT ["./run.sh"]

start.sh

#!/bin/sh

export CLOISIM_RESOURCES_PATH=/home/idox23/cloisim_git/sample_resources/

xhost +

docker run -ti --rm --gpus all --net=host \
     -e DISPLAY \
     -v /tmp/.Xauthority:/tmp/.Xauthority \
     -v /tmp/cloisim/unity3d:/root/.config/unity3d \
     -v /tmp/.X11-unix:/tmp/.X11-unix  \
     -v /usr/share/fonts/:/usr/share/fonts/ \
     -v ${CLOISIM_RESOURCES_PATH}/media:/opt/resources/media/ \
     -v ${CLOISIM_RESOURCES_PATH}/models:/opt/resources/models/ \
     -v ${CLOISIM_RESOURCES_PATH}/worlds:/opt/resources/worlds/ \
     --name closim_test \
     cloisim $1

 

+) 2022-07-26. Vulkan์˜ ๋ฒ„์ „์ด ๋˜ ์—…๊ทธ๋ ˆ์ด๋“œ๋˜์—ˆ๋Š”๋ฐ, CLOiSim์—์„œ ๋ฐ˜์˜๋˜์ง€ ์•Š์€ ๋ถ€๋ถ„์ด ์žˆ๋Š”์ง€ ์ด๋ฏธ์ง€ ๋นŒ๋“œ๊ฐ€ ๋˜์ง€์•Š๋Š”๋‹ค. ์ „์ฒด ํŒŒ์ผ ๊ตฌ์กฐ๋ฅผ ํŒŒ์•…ํ•˜์ง€ ๋ชปํ–ˆ๊ธฐ์— ์ฐพ์œผ๋ ค๋ฉด ๊ฝค๋‚˜ ์˜ค๋ž˜๊ฑธ๋ฆด ๊ฒƒ ๊ฐ™์•„ ์•„์ง๊นŒ์ง€๋Š” ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์ด ์—†์–ด ๋ณด์ธ๋‹ค. ๊ธฐ์กด์— ์‚ฌ์šฉํ•˜๋˜ ์ด๋ฏธ์ง€๋ฅผ ์“ฐ๋Š” ๊ฒƒ ๋ฐ–์—๋Š”..

 

 

* start.sh ํŒŒ์ผ๋กœ ๋„์ปค ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์‹คํ–‰ํ•œ ๊ฒฝ์šฐ, ํ•ด๋‹น ๋„์ปค ํ„ฐ๋ฏธ๋„์— ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•˜๊ณ  ์‹ถ๋‹ค๋ฉด(CLI) ์•„๋ž˜์™€ ๊ฐ™์€ ๋ฐฉ๋ฒ•์„ ์ด์šฉํ•˜๋ฉด ๋œ๋‹ค.

# ๋ช…๋ น์–ด๋งŒ ์ž…๋ ฅํ•˜๊ณ  ์‹ถ์€ ๊ฒฝ์šฐ
$ docker exec <docker-name> <command>

# ์—ฐ๊ฒฐ๋œ ํ„ฐ๋ฏธ๋„ ํ™”๋ฉด์„ ์‚ฌ์šฉํ•˜๊ณ  ์‹ถ์€ ๊ฒฝ์šฐ
$ docker exec -it <docker-name> /bin/bash

 

 

CLOiSim ROS2 Install

์‹œ๋ฎฌ๋ ˆ์ดํ„ฐ๊ฐ€ ์ •์ƒ์ ์œผ๋กœ ์‹คํ–‰๋œ๋‹ค๋ฉด ROS๋ฅผ ์ด์šฉํ•˜์—ฌ ํด๋กœ์ด์‹ฌ ๋กœ๋ด‡(cloi1)์„ ์กฐ์ข…ํ•  ์ˆ˜ ์žˆ๋‹ค. ์—ฌ๊ธฐ์„œ๋Š” ๊ฐ„๋‹จํ•˜๊ฒŒ ํ‚ค๋ณด๋“œ ์ž…๋ ฅ์œผ๋กœ ๋กœ๋ด‡์„ ์ˆ˜๋™ ์กฐ์ž‘ํ•˜๋Š” ROS์˜ ๋Œ€ํ‘œ ์˜ˆ์ œ๋ฅผ ์‹คํ–‰ํ•ด๋ณด๊ฒ ๋‹ค.

 

GitHub - lge-ros2/cloisim_ros: ROS2 simulation device packages to connect unity based multi-robot simulator CLOisim.

ROS2 simulation device packages to connect unity based multi-robot simulator CLOisim. - GitHub - lge-ros2/cloisim_ros: ROS2 simulation device packages to connect unity based multi-robot simulator C...

github.com

CLOiSim Github์˜ cloisim_ros ๋ ˆํฌ์ง€ํ† ๋ฆฌ๋ฅผ Cloneํ•˜๊ณ , ๋„์ปค ์ด๋ฏธ์ง€๋ฅผ ๋นŒ๋“œํ•˜์ž.

$ git clone https://github.com/lge-ros2/cloisim_ros.git -b foxy
$ cd cloisim_ros
$ docker build -t cloisim_ros .

๋นŒ๋“œ๊ฐ€ ์™„๋ฃŒ๋˜์—ˆ๋‹ค๋ฉด cloisim_ros ๋””๋ ‰ํ„ฐ๋ฆฌ ๋‚ด์˜ launch.sh ํŒŒ์ผ์„ ์‹คํ–‰ํ•˜์—ฌ ๋„์ปค ํ™˜๊ฒฝ์œผ๋กœ ์ ‘์†ํ•œ๋‹ค.

$ ./launch.sh

ROS ์„œ๋ฒ„๋ฅผ ๋‹ด๋‹นํ•˜๋Š” ํ„ฐ๋ฏธ๋„. ๋ช…๋ น์–ด๋ฅผ ๋ฐ›์„ ์ค€๋น„๊ฐ€ ์™„๋ฃŒ๋œ ๋ชจ์Šต

๋„์ปค ํ™˜๊ฒฝ์— ์ ‘์†๋˜๋ฉด ํ•ด๋‹น ํ„ฐ๋ฏธ๋„์€ ์œ„ ์‚ฌ์ง„๊ณผ ๊ฐ™์ด ์ž…๋ ฅ์ด ๋ถˆ๊ฐ€ํ•œ ์ƒํƒœ๊ฐ€ ๋˜๊ธฐ ๋•Œ๋ฌธ์—, ์ƒˆ๋กœ์šด ํ„ฐ๋ฏธ๋„์—์„œ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•  ์ˆ˜ ์žˆ๋„๋ก executeํ•ด์•ผ ํ•œ๋‹ค. ์•ž์œผ๋กœ์˜ ๋ชจ๋“  ๋ช…๋ น์€ ์ง€๊ธˆ ์—ฐ ํ„ฐ๋ฏธ๋„์—์„œ ์ž…๋ ฅํ•˜๋ฉด ๋œ๋‹ค.

$ docker exec -it cloisim_ros /bin/bash

ROS2 Foxy ๋ฒ„์ „์„ ์„ค์น˜ํ•œ๋‹ค. ํด๋ก ํ•œ ๊นƒ์—๋Š” ROS๊ฐ€ ์„ค์น˜๋˜์–ด ์žˆ์ง€ ์•Š์•„ ์ˆ˜๋™์œผ๋กœ ์„ค์น˜ํ•ด์ฃผ์–ด์•ผ ํ•˜๋”๋ผ.

$ apt-get update && apt-get install ros-foxy-teleop-twist-keyboard
$ source /opt/ros/foxy/setup.bash
$ cd /opt/lge-ros2
$ . install/local_setup.bash

์ด์ œ ์‹คํ–‰ํ•˜๋ ค๊ณ  ํ•œ ํ‚ค๋ณด๋“œ ์ž…๋ ฅ ์˜ˆ์ œ ์ฝ”๋“œ๋ฅผ ์‹คํ–‰ํ•œ๋‹ค. ๋ณธ ์‹œ๋ฎฌ๋ ˆ์ดํ„ฐ์—์„œ ๋กœ๋ด‡์˜ ์ด๋ฆ„์ด 'cloi1'์ด๋ฏ€๋กœ, args ์ธ์ž์— ๋กœ๋ด‡ ์ด๋ฆ„์„ ์ „๋‹ฌํ•ด์ค€๋‹ค.

$ ros2 run teleop_twist_keyboard teleop_twist_keyboard __ns:=/cloi1

์ •์ƒ์ ์œผ๋กœ ์‹คํ–‰๋˜๋Š” ๊ฒƒ์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ๋‹ค. ํ‚ค๋ณด๋“œ๋กœ ๋กœ๋ด‡์„ ์›€์ง์ผ ์ˆ˜ ์žˆ์Œ!

 

 

๋„์ปค์— --rm ์˜ต์…˜์„ ์‚ฌ์šฉํ•˜์—ฌ ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์ƒ์„ฑํ•˜๊ธฐ ๋•Œ๋ฌธ์—, ๊ฐ์ข… ์˜ต์…˜๊ณผ EXEC ๋ช…๋ น์ด ์ดˆ๊ธฐํ™”๋  ๊ฒƒ์ด๋‹ค. ํ„ฐ๋ฏธ๋„์„ ์ผค ๋•Œ๋งˆ๋‹ค ์ž…๋ ฅํ•˜๋Š” ๊ฒƒ์ด ๊ท€์ฐฎ์€ ๋‚˜๋Š” ์•„๋ž˜์™€ ๊ฐ™์ด ๋‘ ์‹คํ–‰ ํŒŒ์ผ์˜ ์ƒ๋‹จ์— ๋ช…๋ น์„ ์ถ”๊ฐ€ํ•˜์—ฌ ์‚ฌ์šฉํ•œ๋‹ค.

 

~/cloisim/Docker/start.sh

#!/bin/sh

export CLOISIM_RESOURCES_PATH=/home/idox23/cloisim_git/sample_resources/
export CLOISIM_FILES_PATH=$CLOISIM_RESOURCES_PATH/media
export CLOISIM_WORLD_PATH=$CLOISIM_RESOURCES_PATH/worlds
export CLOISIM_MODEL_PATH=$CLOISIM_RESOURCES_PATH/models

xhost +

docker run --rm -ti --gpus all --net=host \
     -e DISPLAY \
     -v /tmp/.Xauthority:/tmp/.Xauthority \
     -v /tmp/cloisim/unity3d:/root/.config/unity3d \
     -v /tmp/.X11-unix:/tmp/.X11-unix  \
     -v /usr/share/fonts/:/usr/share/fonts/ \
     -v ${CLOISIM_RESOURCES_PATH}/media:/opt/resources/media/ \
     -v ${CLOISIM_RESOURCES_PATH}/models:/opt/resources/models/ \
     -v ${CLOISIM_RESOURCES_PATH}/worlds:/opt/resources/worlds/ \
     --name cloisim_test \
     cloisim $1

 

~/cloisim_ros/launch.sh

#!/bin/bash

export CLOISIM_BRIDGE_IP=$(ip addr show dev docker0 | grep "inet" | awk 'NR==1{print $2}' | cut -d'/' -f 1)
export ROS_DOMAIN_ID=22
export CLOISIM_SERVICE_PORT=8080

docker run -it --rm --net=host --name cloisim_ros -e ROS_DOMAIN_ID=${ROS_DOMAIN_ID} cloisim_ros $@
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'๐Ÿ’ป Language > ROS : ๋กœ๋ด‡์‹œ์Šคํ…œ' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

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  • [E] XML Attribute[version] in element[sdf] not defined in SDF, ignoring.
  • [ROS2+Gazebo] Docker Image๋กœ ROS2, Gazebo ๋นŒ๋“œํ•˜๊ธฐ
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