Amcl 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 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 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...
View ArticleHow does navigation stack work without a static map?
Hello! I have been searching but haven't found out how navigation stack works when no static map is given. My questions are: - Can AMCL be run without a static map? If not, how is localization done? -...
View ArticleIMU + AMCL for localization
Hi everyone, Let me write my question out like this: - I have IMU data from an IMU sensor - I do not always have a xtion available for helping in localization (it could be occupied with another task)....
View ArticleTurtlebot2's amcl_pose seems very inaccurate.
Hi All, EDIT: I was in the process of debugging and the issue looks like it's with another package, which might be causing a namespace issue. I will CLOSE this question and may reopen it when I have...
View ArticleLooking for a Beginners Guide to Navigation Stack and SLAM with Gazebo
As an undergrad working on SLAM algorithms, I'm looking for a step-by-step introduction to ROS navigation stack and gazebo. I am thinking of creating a simple box with a horizontal LiDAR array...
View Articlehow to integrate dual laser for amcl
our robot has a rectangle shape, which has a long side, so we choose dual hokuyo lidar, so how can I integrate the dual laser to acml, need dual laserReceived? compute the max weight pf hypotheses...
View ArticleAMCL Tuning Suggestions?
Hi everyone, I am trying to implement AMCL on a rosbag. The map used is generated from the same bag. I haven't used AMCL a lot and so I am unsure as to what parameters do what. It is appearing like my...
View ArticleProblem with TF Tree in RPLidar Hector SLAM and Navigation
I'm a beginner in ROS and Robotics and have problem implementing an autonomous mobile robot. I'm getting this error: Timed out waiting for transform from base_footprint to map to become available...
View ArticleIs it possible to use AMCL only with LaserScan (No Odom / No IMU) ?
I've a little robot that move very very slowly in my garden. I think that there are many sure informations in the laser_scan topic (RPLIDAR A3). I have no Odom and no IMU sensor. So, is it possible to...
View Articleamcl localizing offset problem
I am trying to do 2d navigation. However, for some reason, every time the robot turns roughly 100 degrees or so, its orientation is offset. So I tried just using amcl + map_server file and it's the...
View Articleamcl not publishing map -> odom
After trying to simulate turtlebot navigation on STDR instead of Stage, I always run into missing transforms problems and navigation cant start. I ran view_frames and put a link to the resulting pdf....
View ArticleAMCL and gmapping combination problem
I'm new to work with ROS , In my robot model I used both gmapping and AMCL , But when using both AMCL particlecloud did not coincide and there was a huge gap between base_footprint and particlecloud...
View ArticleMap transform not published by AMCL.
In my tf tree, map transform is not published. I only have odom<-base_link>-base_laser. I'm using navigation stack package and I have only added "use_map_topic" parameter to true, base_frame_id...
View ArticleCan I publish map>-odom tf which can be used by amcl?
I want to publish map>-odom tf which can be used by amcl or other localization packages. Is there a way to do that?
View Articleamcl not publishing map -> odom under different namespace
Hello, I'm attempting to setup a pair of turtlebots that can run simultaneously, and in order to do so, they need to run their nodes on different namespaces while both subscribing to a shared /map...
View ArticleHow should I realize saturation likelihood field for AMCL?
I am developing localization algorithm. I'd like to compare its performance with AMCL, but I'm not sure how the parameter should be defined. Then I checked some localization related papers which use...
View ArticleLocalization with Triangulation (pozyx)
I'm trying to use [Pozyx hardware] (http://pozyx.io) to localize my robot in a map. With the use of a EKF_localization_node I want to fuse AMCL and Pozyx data and localize the car. This to make sure...
View Articleamcl particle is not converging
i have used amcl for localization. I have also used kinect and a pointcloud to laserscan converting package. The problem is intialially all the particle is on the robot but as soon as i navigate or...
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