Questions tagged [slam]
SLAM (Simultaneous Localization And Mapping) refers to a robot building a map of its environment through it's sensor data (mapping) and keeping track of its own position in that map (localization) at the same time.
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Choosing Between BNO055 Onboard Fusion and ROS 2-Side Fusion for SLAM/Localization
I want to use the IMU sensor that uses the Adafruit 4646 (Bosch BNO055 chip) on my ROS 2-based vehicle. Is it more sensible to use the sensor’s built-in fusion, or would pulling raw accel, gyro, and ...
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SLAM on ROS1 and CONFUSED about DWA, My ROBOT just dont GO
As shown in the figure, my robot is not in the inflation zone, and the global planner has correctly planned a straight line. However, the robot is strangely being 'pushed out' by the wall. This is ...
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Lidar is not localizing properly when generating a map in slam also nav2 problems
I am doing group project making an autonomous differential drive robot as a first timer. The robot is fully built and can be controlled with the teleop as expected. Now We are primarily working with ...
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"[async_slam_toolbox_node-1] [INFO] [x] [slam_toolbox]: Message Filter dropping message: frame 'laser'
I regularly get this INFO message:
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slam_toolbox and dropping message error
I'm trying to use slam_toolbox on my robot, but I'm getting this error every time I launch:
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Localization on big environemtns, slam toolbox vs amcl
Both SLAM Toolbox and AMCL in Nav2 offer localization. If I already have a map generated by SLAM Toolbox, which localization solution is more suitable for large industrial environments like warehouses?...
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Merged LaserScan from two lidars drifts during rotation in ROS 2 humble SLAM
I have written a ROS 2 node to merge LaserScan data from two 2D lidars (front and rear) on my robot.
My node's process is as follows:
Synchronize incoming /front_lidar/scan and /rear_lidar/scan ...
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Is initial velocity needed for accurate scale in VIO?
If you have a VIO system, is starting velocity still required for accurate scale estimation or can sufficient movement be enough for scale reconstruction?
One though experiment would imply it's not as ...
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Point LIO ROS2 do not see final map \Laser_Scan
I wanted to use LiDAR to map my apartment for a while. and I finally bought Unitree L2 4D LiDAR. I was able to run lidar node on Raspberry Pi 5 and collected a ros 2 bag with /unilidar/imu /unilidar/...
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Slam refusing to use lidar in ROS2 JAZZY
I want to use slam for mapping a simple map, but when I run it it drops the lidar saying:
[async_slam_toolbox_node-1] [INFO] [1759577989.649095570]
[slam_toolbox]: Message Filter dropping message: ...
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map merging diffuculties for maps generated by different robots using cartographer slam.(ROS2)
I am working with multi robot exploration. I have tried both cartographer slam as well as slam toolbox to generate maps. while I was able to find a suitable code to merge maps but it only works with ...
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Camera frame behaves incorrectly in ORB-SLAM3 ROS RGBD
I am using the ros_rgbd node in ORB-SLAM3. When I start RViz, the generated map frame follows the standard ROS coordinate convention:
Z up
X forward
Y left
At the beginning, the camera frame is ...
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Costmap shifts when turning. Slam_toolbox and Nav2 with ROS Jazzy and gz-sim
I'm a ROS beginner, developing a diffdrive ROS GZ sim robot, originally based off of this video: https://www.youtube.com/watch?v=wOa1m8hzrgQ.
I'm trying to integrate slam_toolbox and nav2. I've gotten ...
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ROS2 SLAM Toolbox mappiing map corrupted debug help requested
Key information:
ROS2 Jazzy. Fast DDS.
Linorobot2 model. - Raspberry Pi5 Ubuntu
24.04LTS. ESP32 Microros PID speed controller. IMU6050. RPLidar A1. https://github.com/linorobot/linorobot2. Microros
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