How 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 stops publishing map tf.
I'm using amcl for localization. I added "use map topic" to "true" in launch file for amcl to publish map frame transform (it wasn't published before). When I start amcl the tf tree is...
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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