Questions tagged [rplidar]
The rplidar tag has no usage guidance.
80 questions
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Why does LiDAR shift and looses localization during robot rotation at high velocities, and how to prevent it?
I am working with a mobile robot equipped with a LiDAR sensor, and I've encountered an issue where the LiDAR seems to shift or misalign with the robot's frame during rotations at higher velocities and ...
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31
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rplidar 2d to 3d point cloud
Hello I hope you guys can help me to distinguish this problem of mine. Is IMU is needed to attain the 3d Point cloud using my 2d rplidar? Or is it just the Servo Motor itself. How can I configure it ...
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173
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python3-catkin-pkg : Conflicts: catkin but 0.8.10-7 is to be installed
I am working on my Final Year Robotics Project, relatively new to Robotics. I am using ROS2 on Ubuntu 22.04 Jammy Jellyfish. I ...
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63
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Problems using nav2 on a real robot
I' m trying to use nav2 on a real robot. However, I have several problems such as: After I had launched launch_robot.launch.py and ...
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1
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39
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I am trying to use rplidar with Ubuntu Noetic [closed]
I have two problems.
The first is when I write
ls -l /dev |grep ttyUSB
nothing happens.
The second is when I write
...
- 1
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2
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207
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Trouble with SLAM Toolkit
I'm looking to convert a ROS1 project setup to ROS2.
In ROS1, I was using a LIDAR, Transforms, Laser Scanner Matcher, and slam_gmapping.
With ROS2, I am still using a LIDAR, Transforms. I had to ...
- 151
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60
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45
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I am trying to run slam_gmapping on a separate device as my sensor nodes (robot), I can subscribe to the topics, but my published map is empty?
I am new to ROS and I am working on a project for school.
I am using the HiWonder JetAuto (based on the Jetson Nano) to run my sensor nodes. Specifically the RPLidar A1, Astra Camera Pro Plus, IMU, ...
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62
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Getting data from RPLidar A1 package to Arduino using rosserial
We have an Arduino Uno board connected to raspberry pi 4 in which the RPLidar A1 is connected. The problem is we are trying to subscribe from the /scan topic to get the data from each ranges from 0 to ...
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156
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ROS2 (no map recieved) SLAM with lidar
i have lidar( X2L 2D ydlidar /RPlidar A1) in hand and want to build a map with it as a first step of my project.
so i used the ROS2 driver for the ydlidar to get the scan topic and slam toolbox to ...
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132
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How to integrate IMU9250 with RPLidar A1M8 using ROS 2 Humble
I am trying to integrate IMU9250 with RPLidar A1M8 using ROS 2 Humble. Therefore, I have taken the following steps:
Installed Ros2 humble on Raspberry Pi 4
Installed RPLidar A1M8
Launched the RPLidar ...
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148
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process has died Rplidar node
I'm using the ros2humble version, and I'm using rplidar A2m8.
The sbc is connected to Arduino and rplidar.
Using lsusb, it was confirmed that USB 0 is aruduino and USB 1 is rplidar. And when I ran ...
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1
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201
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Rplidar A2 is not running on the humble version
I'm using Rplidar A2.
I'm referring to the video in the link below.
enter link description here
If you run a command like this
...
1
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0
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71
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No map received | rvis | le potato aml-s905X-cc | rp lidar a1
I currently have a SLAMTEC RPlidar a1 hooked up to a le potato (rasp pi copy).
I'm trying to run turtlebot3 cartographer (and eventually nav2). When I run the command
...
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70
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2D Lidar serial to USB connections
I am trying to use the 2D Lidar of a vacuum cleaner for some SLAM application on Jetson. I opened up the enclosure and noticed there are only 4 connection ports:
RX, PWM, GND, P5V
I am now puzzled on ...
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2
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5k
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Message Filter dropping message: frame 'laser' at time
I am ruing RPlidar with slam_toolbox.
When I run
ros2 launch sllidar_ros2 view_sllidar_a1_launch.py
and
...
- 21
1
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1
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450
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Ros2: OccupancyGrid with RPlidar
I am looking for places to find information how to create an OccupancyGrid with RPlidar. Everything I find is older or only for ros1.
I need to create an OccupancyGrid using my RPlidar, the objective ...
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1
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4
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Could an upgraded Ubuntu cause problems?
I had previously used Ubuntu 20.04.4 on an Odroid M1 without any issues. Compiled and successfully used a few packages of ROS including rosbridge and rplidar. Since the update I have not been able to ...
Pieter90
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1
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33
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Lidar data is reflected 180 degrees
Hello everyone I use Slamtec S1 lidar in conjunction with Jetson Nano running Ubuntu 18 and ROS2 Eloquent. I'm using the sllidar_ros2 package and everything looks great. But when I added lidar to my ...
Dr.Modi
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1
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90
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laserscan data rotate with the robot rotation
Hey everyone !
I'm building a diff drive robot using Ros2 Galactic , SLAM toolbox package and to be used in nav2 framework.
I wrote the needed node for /odom to publish odometry msg, as follow in the ...
Husam
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1
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312
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slam_toolbox Filter dropping message: frame 'laser'
Hello everyone I am using ROS 2 Eloquent (Ubuntu 18.04) and am currently studying Nav2. I wanted to try the work of slam_toolbox together with the lidar of RPLIDAR S1. To do this, I run:
...
Dr.Modi
0
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1
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31
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Move_base doesn't subscribe to "/scan" topic from RpLidar
Greetings,
I'm trying to configure move_base on a Jetson Nano board (Ubuntu 18.04, ROS Melodic) equipped with an RpLidar and ZED2 camera. The RpLidar provides the "/scan" topic which updates ...
Hlezzaik
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1
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5
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I'd like to publish a subscriber code
I get this kind of error.I don't know. Please help me.
...
kk_jo
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1
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34
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rplidar_node on ros2 / Autoware drops message for ‚Unknown‘ reason
I‘m using Autoware and the rplidar_node showing correct messages (ros2 topic echo scan) but it fails to get them shown on rviz2 with this error message
[INFO] [1625892725.336256970] [rviz]: Message ...
heavy02011
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1
answer
58
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getting lidar data as odom.?
Hello everyone..
With the laser_scan_matcher class, I can see the movements on the rviz screen with the lidar.
Since I don't have encoder data, I want to navigate with lidar for now.
I need odometry ...
wgsu
0
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1
answer
72
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hector_slam/gmapping with T265 (odometry) and RPLidar
Hello everybody
I am trying to make SLAM using a 2D laser scanner (RPLidar A1) supporting it with a Realsense camera T265, which provides an accurate odometry.
The arrangement of both devices is as ...
pgarcia
0
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1
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11
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Rviz Unstable Map Gmapping
Hi. I am trying to make a gmapping. I have a Rplidar. 16.04 Kinetic Kame.
My Rviz map is unstable.
How can I solve this problem
https://www.youtube.com/watch?v=u96081BlgmA
bringup.launch
...
bfdmetu
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1
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97
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Error launching Rplidar node
Hello everyone.
I am using a RPLidar A1M8 to generate obstacles using move_base and costmap_2d. The problem arrives when I launch rplidar node with the whole system .launch; you can see the include ...
Alessandro Melino
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1
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111
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Hector Slam with Raspberry Pi 3, RPLIDAR A1 and Laptop
Hello to everyone :)
I want to build up a little car and on its top there should be a RPLIDAR A1 which is connected to a Raspberry Pi 3. After scanning the room I want to visualize everything with ...
pmt2019
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1
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6
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rplidar A1 or Kinect Xbox One/360
Hi
which has better performance, autonomous navigation using rplidar A1 or Kinect Xbox one/360?
Has anyone made this comparison?
thanks
Originally posted by mateusguilherme on ROS Answers with karma: ...
mateusguilherme
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1
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1
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doing mapping for following hardwares?
hello
i have following components
Rplidar A1
SparkFun 9DoF Razor IMU M0
rotarary incremental encoders
differential drive robot
5.ubuntu 16.04 with kinetic
im trying to do SLAM and i dont know which ...
kallivalli
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1
answer
15
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Does move_base require Twist from Odometry?
I'm trying to make a turtlebot like robot using only the RPLidar. Hence I donot have a good source for odometry. I'm getting the Pose2D using ...
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477
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Error: For frame [Laser]: Frame does not exist
Hi!,
I am trying to build a map using roslaunch turtlebot3_slam turtlebot3_slam.launch slam_methods:=gmapping on a turtlebot3. Unfortunately I have issues with the ...
vincent_m
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1
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32
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Creating /tf (position) from IMU, 2D/3D SLAM (LiDAR+IMU+Octomap) (no need for high accuracy))
Hello,
Iam trying to build a simple SLAM system consisted of:
RPLiDAR A2 M8
Razor IMU 9DOF M0
used packages:
octomap_mapping,
razor_imu_9dof (razor-pub.launch)
rplidar_ros (rplidar.launch)
...
cergina
0
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1
answer
39
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Remote Rviz visualisation / Hector_SLAM
Hello !
Actually I'm working on hector_slam with my raspberry pi 3 ( ROS Kinetic / Ubuntu Mate ), and it works pretty well.
Btw I use a RPLIDAR A1 from slamtech using a USB port from my PI3.
But I ...
JankenGatsu
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1
answer
2
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How to know the history about rplidar wiki
How to get the edit history about rplidar?
Originally posted by kint on ROS Answers with karma: 53 on 2018-07-31
Post score: 0
kint
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1
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7
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Help with rplidar and autuonmus navigation
Hello everyone
I'm a beginner on ROS, I'm trying to make an autuonmus robot using an rplidar and encoder.
Here is what I have done so far
I installed ROS kinetic on a Raspberry pi 3
I got the rplidar ...
0
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1
answer
20
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Help with rplidar sdk installation and port error on ubuntu 16.10
Hello
I'm a beginner on the ROS and linux world
I'm using a rplidar to get the laser map, however after the installation instruction from ROS kinetic tutorial I'm getting an error when after writing ...
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1
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16
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Path planning for hector_slam
Hello, i'm using view_hectorSlam.launch file for visualization and i just want to add path planning feature to this launch file. I only use rplidar connected to ttyUSB0 on Ubuntu 16.04 with ros-...
frozt
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1
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9
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Unable to launch lidar during boot
Hi,
I have an rplidar and i want to launch it during the booting. I followed a rosanswer here and was able to launch roscore during the bootup. But I am unable to launch rplidar.
...
BhanuKiran.Chaluvadi
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1
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7
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Im looking ROS distro for BeagleBone Black Rev.C
Hello everyone.
For my robotic project im looking distro of ROS compatible with BeagleBone Black RevC. dev. platform. Unfortunatelly when I try install standard Kinetic distro for Debian from here:
...
tomek242
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1
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5
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hector_slam with Sick TIM561
Hi,
we are working with a robot in a garage or production hall environment to test some car sensors. For mapping we tried an RPlidar (360°) with hector_mapping which is working very well out of the ...
fehlfarbe
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1
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3
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ROS Answers SE migration: RPLIDAR RVIZ
Hello guys!
My question is quite simple, i have been searching for 2 days and i couldn't find the answer.
I'm building my own robot, using RPi3 with a RPLidar and SLAM for mapping. How can I see the ...
julimen5
1
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2
answers
40
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how to aggregate several PointCloud2 messages into one?
After converting my RPLIDAR's laser messages to PointCloud2 form (using hector_laser_to_pointcloud) I can visualize them in RVIZ and when doing rostopic echo I can see the messages coming through. How ...
hanjuku-joshi
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1
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67
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I cant control my rplidar(can't stop)
Hello, everyone
I have a question for you.
my environment is Raspberry pi 3, Ubuntu mate 16.04 LTS, rplidar A2.
I just follow rplidar tutorial(http://wiki.ros.org/rplidar)
everything is ok, but when i ...
Kang
0
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1
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47
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How to do GMapping and SLAM Navigation using RPLIDAR A2 and Kobuki?
I have a Kobuki and installed Turtlebot software on my Turtlebot laptop and set everything up for Turtlebot, and I just got an RPLIDAR A2 yesterday and I couldn't figure out how to get it to work with ...
RedstoneTaken
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1
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1
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Fusing Multiple Laser Scans
Hi,
I have a RPLIDAR A2 and an Orbbec Astra. The former is the one I am using for my gmapping at the moment and most of the time it works really well. I was wondering about fusing its (forward scans)...
- 526
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1
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17
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rplidar_ros step by step for get map
Hello,
I have a simple question ... i want to get map from RPLidar laser scan but i get confused in google and for now i don't know how i can implement that
i install ros using below command
...
saeed
0
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1
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7
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I can't find a differential drive package using rplidar with dc motors and no encoders
I need help to find the appropriate drive controller, so far most seem to implement a pid with the encoders as a feed back mechanism.
Surely someone has already done this.... Looking for a ...
w
0
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1
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15
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Laser Filter and Hector Mapping Issue
Hi all,
I recently implemented the angular_bounds_filter from the laser_filters package to hector SLAM for map building. I ...
Rayner