Setting initial covariance fails in amcl
Hi Even though I am changing the values of the covariance in the "amcl" launcher I keep getting the same amcl_pose in rviz (it displays the default covariance ) I am using: rosdistro: kinetic...
View Articleamcl_pose topic returns different than the map->odom->base transform
As the title states, amcl_pose is not giving me the same result as taking the map->odom transform and then combining that with the odom->base transform. I was originally using the map->odom...
View Articleway-points drift away everytime for amcl navigation
Running in the simulation with the clearpath husky. I have husky gazebo running at the background. What I intend is to have a set of waypoints and send it as goals through move base. I tried...
View ArticleLocalisation in a dynamic environment
Hi, I’m trying to implement a Localisation strategy for my robot in a dynamic environment(Populated by three other robots), I noticed on this page: http://wiki.ros.org/amcl The kld_sampling_mcl is...
View ArticleUsing AMCL for navigation with hector slam
Hi guys, I'm trying to navigate on a given map(built by hector slam), and the odometry is only supplied by Lidar by using hector mapping (didn't use any other extra sensors ), and I'm using raspberry...
View ArticleStrange behavior between move_base Navigation Stack and Rviz
This is my graduation project from college and I can't figure out the problem. I have an environment build specifically for this project and build a map of it with hector SLAM. The goal is for the...
View ArticleObstacles seen by planning but not expected by AMCL
I am not sure how to formulate this question. Our robot has a hand made map of a space. We use fiducials to orient it on that map and use AMCL to maintain localization. Then we use move base etc to...
View Articlerobot_localization: "Global EKF" without absolute pose information
Hello there, I am attempting the obtain accurate pose information from my "global ekf" (with map -> odom transform) in the event that my lidar stops functioning, which results in AMCL to stop...
View ArticleIndoor ros navigation
Hello, I am trying to build navigation system. As a car i am using mit-racecar , scance sweep lidar , esc. By using this repo https://github.com/fregu856/TSRT10 i manage to run hector slam and lidar...
View ArticleMessageFilter [target=map LaserScan ]: Dropped 100.00% of messages so far
I am using Raspbeery Pi3B+ with ubuntu os to run ROS. Sick_tim571 LiDAR sensor the moving base is self-build moving robot with DC motors. The problem is when i first run the launch file, the first...
View ArticleHow amcl works with only lidar?
Hello , I successfully create a map with hector_slam ı used only Scance Sweep Lidar. Now I am trying to locate my robot in that room with using only lidar . > rosrun map_server map_server roslaunch...
View ArticleHow to improve/tune Amcl performance
Hello friends, I managed to run amcl_omni.launch without any warning info but mapping performance is really low. I used scanse sweep lidar in 10 Hz , I checked the data in rviz it looks reasonable . I...
View ArticleHow to localise in dynamic environment?
I have a 2D Lidar and imagine that I have mapped the environment and got 2d map. Imagine that the environment is in a factory where many items can be changed in that map. On the next boot, I am using...
View ArticleExtrapolation Error
I have tried to search this error on forum but almost all of them had simple mistakes like a wrong link name or something. However, I am facing this error and the names seem to be correct and I do not...
View ArticleWhy AMCL requires to subscribe to /initialpose topic?
AMCL is supposed to solve global localization problem, which means that the robot doesnt know its initial pose. I found this...
View Articlerecovery rotation in amcl navigation
Hello! I'm usin lidar(360) for navigation in ros and AMCL pkg. Tell please, is possible to desable recovery rotation. I know two params: *recovery_behavior_enabled* and *clearing_rotation_allowed*, I...
View Articleusing move_base recovery for initial pose estimation
Hi, I want my robot to find its initial pose on its own rather than providing it with rviz "2d pose estimate". For that I already figured out that you can call AMCLs /global_localization service,...
View Articlelocal costmap window slowly drifts over static global map
I recently purchased turtlebot3 burger. I am running kinetic. I created a map using gmapping and explorer_lite. Next I started navigation. In rviz I set a goal 1 meter behind and in a rotated 90...
View ArticleAmcl navigation using turtlebot [transformation error ]
I created a grid map using a turtlebot and after I wanted to navigate in that map I used the navigation stack Amcl but after I run it using the turtlebot navigation package I am getting this errors in...
View Articlegmapping: disable TF publishing
Hi, I want to use an `ukf_robot_localization` to fuse the pose (map -> odom) from gmapping, AMCL and another not continuous pose source (not a GPS). My problem is that the gmapping node broadcasts...
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