How is the base_local_planner using the odom message
Hi all, I am just getting familiar with [move_base](http://wiki.ros.org/move_base), specifically with the working of the [base_local_planner](http://wiki.ros.org/base_local_planner). I went through...
View Articlemaking the robot stop while replanning for obstacle avoidance
Hi all, I have a robot which is navigating around a room with a given map. I am using rotary encoders to get the odometry data. I am using [amcl](http://wiki.ros.org/amcl) for localization,...
View Articlereplanning when the costmap is updated
Hi all, I am using [move_base](http://wiki.ros.org/move_base) with default navfn global planner (A*) and TrajectoryPlannerROS as the local planner and I am having some problems with avoiding obstacles...
View ArticleHow to avoid "Invalid Trajectory (cost: -1.000000)" in DWA Local Planner?
Dear all, I am using DWA to drive a differential robot around. I am running Ubuntu 12.04 and ROS Hydro. In general, the robot navigates well. However, sometimes when I send it to tight spots, I...
View ArticleComplete coverage path planning ros
Hi all, I have a mobile robot with a Hokuyo Lidar, wheel encoders, IMU and couple of Sonar sensors. I have started working on the Complete coverage path planning and I am wondering if there is any...
View Articleimplementing a wall following robot in ros
Hi all, I have a mobile robot and I would like it to follow a wall of a room. I already have a map of the room. I am using Wheel encoders for odometry. I am fusing data from wheel encoders and IMU...
View Articledisplaying the robot's actual trajectory in RViz
Hi all, I have a mobile robot which is navigating around a room, I already have the map of the room. I am using rotary encoders for odometry. I am fusing the data from Rotary encoders and IMU using...
View ArticleI cannot publish sporadic messages in time for debugging - they stay in a...
Hi! I am fairly new to ROS and I am trying to debug my first planning algorithm. I am using QT Creator as IDE and I found very useful its debugging functionality based on GDB. Now, it seems natural to...
View ArticleLocal costmap's OccupancyGrid doesn't update origin
Hi, I'm using ROS Indigo on Ubuntu 14.04 I am in the process of writing an autonomous drive algorithm for my Turtlebot, and I've written a function that is meant to search the local costmap for a safe...
View ArticleLocal costmap not centered on robot
Hello, I'm trying to get move_base to work on my robot. I am using dwa_local_planner and global_planner. When I give the robot nav goals it keeps telling me that none of the points of the global plan...
View Articlesending multiple goals via global planner plugin
Hi all, I have a mobile robot and I would like it to navigate around the building and I already have a map of the building. I am using wheel encoders to generate odometry message,...
View Articleobtain a copy of the global_costmap
Hi all, I am planning to write my own node in ROS and I need to access the `global_costmap` which is being published. I have the following piece of code: int main(int argc, char** argv){...
View ArticleHow to subscribe a new costmap2dROS object to the global_costmap/costmap
Hi all, I am planning to write my own node in ROS and I need to access the `global_costmap` which is being published. For that, I have created a new Costmap2DROS object: int main(int argc, char**...
View Articleobstacles are not removed from the costmap
Hi, I've searched and i found similar questions, but no conclusions. scenario: ROS: Indigo Laser: XV11 The robot is stable not moving, i move near the robot, and the map is updated with an obstacle, i...
View Articlemove_base crashes with custom global planner whenever instantiating...
I have written my own global planner and have successfully registered the plugin so that move_base can detect it. I am getting a problem where move_base will crash whenever I instantiate an instance of...
View Articleallow_unknown parameter ignored
Hi there, I want to avoid the global planner to plan its paths through the unknown because it is not working for my case. So as described [here](http://wiki.ros.org/navfn) I set the paramter...
View Articleprevious scanned map areas disappeared
Currently I am using rtabmap_ros for SLAM and frontier_exploration for exploration. The problems are as followed: 1). The map will not be updated, where there are no obstacles. 2). the previous scanned...
View ArticleWhere can I find the log files after a crash?
move_base keeps crashing and I am trying to figure out why. The error is as follows: [move_base-9] process has died [pid 11340, exit code -11, cmd /opt/ros/indigo/lib/move_base/move_base...
View ArticleMoving a Husky A200 in Gazebo using Navigation Stack
Hello All, I am trying to make a Navigation Stack for Clearpath Husky A200 using Move_Base. [Here](http://pastebin.ca/3117080) is my launch file. The strange thing is that I am able to visualize my...
View Articleis there a trajectory planner for 3d ?
I try to do autonomous flights and therefore i need the navigation stack. But i found only for 2d navigation. Do someone have an idea of other nodes which could help me? I am using Asctec Pelican. For...
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