A step towards mapped based navigation, how?
Hi, I have implemented a pretty basic system that utilises a GNSS receiver (with RTK) for navigation and 2D LIDAR's (all around the vehicle) for collision avoidance. I am now trying to move towards...
View ArticleDoes resolution of grid map influence localization precision?
I want to know if resolution of grid map can influence precision of localization. Say, i have a map with 5cm resolution, will localization algorithm be limited to 5cm precision? Will this depend on...
View ArticleAMCL claims no data is being published even though there is (including tf data)
Hi I am trying to get navigation to run on my robot. To do this I am currently trying to get AMCL to work on ROS kinetic (ubuntu 16.04 Xenial). My setup consists of 3 machines (of which 2 are...
View ArticleAMCL Time-based updating
Hi, I am using an Rover Robotics OpenRover to run AMCL on a robot and I see that AMCL updates once it has moved a certain distance. When the robot is not moving it doesn't update. I want to configure...
View ArticleHow to run amcl_demo.launch and other node that read RGBd camera stream...
Hi. I'm testing Turtlebot2 with Astra RGBd camera. When I try to run the launch file from [this package](https://github.com/shinselrobots/astra_body_tracker), along with amcl_demo.launch, it shows the...
View ArticleAmcl no laser scan receved.
I'm using amcl with laser scan and i'have this warn: No laser scan received (and thus no pose updates have been published) for 1553185817.016421 seconds. Verify that data is being published on the...
View ArticleRobot drifts away from goal and laserscan skews on random interval
I have to apologize for the vague and/or convoluted title. We don't know where the issue is ourselves. The robot I'm working on makes use of ROS Kinetic, the standard navigation stack with `amcl`,...
View ArticleUnknown reason for transform error
We are building a robot for a competition and using ROS for navigation. I'm attempting to get the LASERscan data onto a static map. However, whenever it's on base_footprint, it doesn't come up, but...
View ArticleCan anybody provide a consise tutorial on how to get localization on a custom...
I'm attempting to use ROS on for localization on a static map. its a custom robot ros tutorials are very confusing when it comes to this. Also, I'd like to use the AMCL. I have a lidar, IMU, and encoder
View ArticleHow 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...
View Article[noobie] Need help with custom mobile robot navigation (multiple questions)
Good evening guys, (questions on the bottom) I'm a Robotics student working on my senior design and REALLY NEED SOME HELP. The idea of the project is that we will build our own environment. Then build...
View ArticleAMCL TF Issues
I am currently running ros kinetic on ubiquity robotics ubuntu on a raspberry pi B+. I am wanting to localize myself using a X4 ydlidar, a pre-made map using map_server, and amcl. I also have an IMU...
View ArticleHow I make my map don't move?
Hi, I have a modified [workspace](https://github.com/husarion/rosbot_description) I got on github with some packages to do gmapping and amcl with a urdf robot. Well it's all fine until I run amcl and I...
View ArticleImprove gmapping results
Hey everyone I am working with the ROS Navigation stack using a simulated environment in Stage. Initially I would have created a topic criticizing the precision of the AMCL localization stack, but...
View ArticleProblem with Raspberry Pi interfacing with RP LIDAR using AMCL
I am currently trying to autonomously navigate my robot in a map created using G-mapping. We are using RVIZ to visualize the original and final position (start and end way-point). It is working just...
View ArticleAmcl Particle Cloud info
What is the reason behind publishing particle cloud. Is it just to show the user, the degree of accuracy of localisation. Because Amcl also publishes PoseWithCovarianceStamped, and that is what...
View ArticleRobot localization - With IMU stable; adding other pose sources(eg. AMCL)...
On the quest to stop the robot from drifting we have implemented an IMU which makes use of a madgwick filter. After painstaking troubleshooting with both the arduino and the raspberry pi used to read...
View ArticleMotion model for tricycle robot for AMCL
Hello! I have a robot with three wheels where the single front wheel is for steering and driving, this wheel also has an encoder that outputs x, y and angular velocity. I want to use AMCL to localize...
View ArticleHow can use the laser_geometry package to find the coordinates of an object...
This will start an environment similar to what you have used in the labs, i.e., an husky in an indoor-like environment. The mapserver node provides an accurate map of the walls in the environment....
View ArticleProblem with navigation move_base
Hello, I have a problem with navigation in rviz. I have a model P3dx, I want to set goal on the map and my model have to move to this point. I am newbie in ROS, and tutorials don't hel me :/ I use...
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