How to adjust speed of turtlebot in Gmapping autonomous navigation?
I was looking through some of the launch and node files and wasn't sure where to begin with adjusting turtlebots speed when executing a goal in amcl? I want the robot to move faster to Deliver samples...
View ArticleUnable to launch [laser_filter-1]
i launch Laser_amcl_demo.launch and i get ---------- core service [/rosout] found Unable to launch [laser_filter-1]. If it is a script, you may be missing a '#!' declaration at the top....
View Articleamcl first map only
I saw on the amcl wiki page a new param, first_map_only param was added. I'm unsure how to use it exactly. It appears like amcl can take in a new map on run time and use it. However, I'm not able to...
View ArticleHow can I set up properly the navigation?
I have set up a simulation in gazebo: 1. I have designed a dae model created by google ScetchUp. 2. I have created map files (png, yaml) according to dae model. 3. A gazebo model is made base on dae...
View Articleproblem publishing tf map->base_link
Hi I wrote my own localization and I figured out hat amcl is publishing map->odom and not map->base_link. Which is strange but on the end I had to do the same by computing first the difference to...
View Articlecannot launch node in hydro
When i launch move_base.launch, I got this : ERROR: cannot launch node of type [tf/static_transform_publisher]: can't locate node [static_transform_publisher] in package [tf] ERROR: cannot launch node...
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 Articledual laser source for navigation
hi, All, I am using an LMS100 for localization and one hokuyo URG laser for local path planing. question is, how do I specify which one goes where? I am using Navigational Stack and in the...
View ArticleDepth image on amcl_demo
Hi! I'm having some trouble while trying to access the kinect depth image using amcl_demo. When i run `roslaunch openni_launch openni.launch` it works well, and i can access/see topic...
View ArticleNavigation Stack, AMCL or EKF
According to ROS wiki: "[amcl](http://wiki.ros.org/amcl?distro=indigo) takes in a laser-based map, laser scans, and transform messages, and outputs pose estimates." "[The Robot Pose...
View ArticleGlobal Costmap only publishing once to a subscriber?
Hello. I'm using the amcl_demo.launch file to localize to a static map, and gather costmap data of the environment. When I try to subscribe to the global_costmap/costmap topic, it only publishes once,...
View Articleamcl publish frequency map-> odom
Hello! in my tf tree I have that between /map and /odom there's amcl that publish at 20Hz. How to increase this speed rate?
View ArticleState Estimation and Localization in Robot Navigation
Hello, I would like to ask the difference between a state estimator like `robot_localization`, or `robot_pose_ekf` and a localization package like `amcl`. Can we say, a state estimator estimating (x,...
View Articleamcl odom dynamic obstacles
Hello everybody! I have a problem: I'm running amcl and navigation stack on husky in a empty room. If I add some obstacles in the room the global costmap will update but unfortunately the odom frame...
View ArticleExtrapolation Error and AMCL
Its my first time trying to get the navigation stack up and running. After fiddling with the .yaml files, I've gotten it to move with RVIZ. There are some issues I'm running into. The robot is having...
View ArticleAMCL odometry and drift question
I'm using AMCL and it does a good job of estimating my position and accounting for drift, looking at the particles cloud. The odometry is periodically updated from AMCL but then reverts back to the...
View Articlenav2d autonomous multi robot exploration
Hi everyone, I started using the [nav2d](http://wiki.ros.org/nav2d) package and did the four [tutorials](http://wiki.ros.org/nav2d/Tutorials) with success. In the [3rd...
View ArticleNavigation, AMCL, amcl_pose
Hello, I'm debugging the navigation stack set up on my robot. My question is about `amcl_pose`. This topic is published by `amcl` (or `fake_localization`), and in my robot `amcl_pose` is being...
View ArticleAMCL error: Couldn't determine robot's pose associated with laser scan
Hi all, I'm having a problem with AMCL in groovy, giving constantily the error "Couldn't determine robot's pose associated with laser scan". It also is giving repeatedly a warning: [ WARN]...
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....
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