Error while running rosserial node for msg handler.
Below is my code to control DC motor of differential drive robot to communicate between ROS and Arduino. //Library to communicate with I2C devices #include "Wire.h" #include //Contain definition of...
View ArticleLarge covariance values in /poseupdate from Hector mapping
I'm trying to fuse an IMU with Hector SLAM's /poseupdate topic using robot_localization (move_base needs odometry), but /poseupdate has huge covariance values, especially on yaw, which are getting in...
View ArticleRun move_base.launch error:[move_base-4] process has died [pid 3825, exit...
hello everyone! I got a problem when i run move_base.launch to realize Navigation. The error info in terminal is: [move_base-4] process has died [pid 3825, exit code -11, cmd...
View ArticleROS move_base costmap not connected error
I'm using ROS indigo running on 64bit Ubuntu 14.04 LTS. In the project, the nodes and visualisation (Rviz) seems to be functional when I launch the launch file I written. Here are the sensors used in...
View Articlewhen tf2::ExtrapolationException occured, move_base died
when i use Sick Tim561 with this [sick_tim](http://wiki.ros.org/sick_tim) package ,sometime laser will disconnect and reconnected , but sometime laser is OK when navigation .why this occasionally...
View ArticleMove_base actionlib goal doesn't change to SUCCEED
Hi all, I'm trying to made a random waypoints generator in ROS Indigo for my autonomous navigation simulator (made in Gazebo 2.2). The robot moves without problem within the map when i send them goal...
View Articledwa_local_planner unable to make narrow U turn
Hi all, things work perfectly when the robot goes straight, turning, or making wide U turns. However, I'm facing an issue that the robot stuck at certain location when its trying to make narrow U turn...
View ArticleI run into an error when using move_base package of navigation
Hi,everyone!when I was setting up my robot for navigation ,I followed the navigation tutorial like [this](http://wiki.ros.org/navigation/Tutorials/RobotSetup) .But when I roslaunch the move_base.launch...
View ArticleMove_base cannot find robot footprint
Hi, I am trying to run a gmapping node but I keep getting the error: You must specify at least three points for the robot footprint, reverting to previous footprint. I am using a Turtlebot2 and my...
View ArticleMove base publishing incorrect cmd_vel
Hi everyone, For research I use the MORSE simulator platform with ROS as middleware. Things have generally been working out well, but I seem to have run into problems controlling the robot...
View ArticleHow to move a differential drive robot to target Co-ordinates?
I want to move a differential drive robot to a target co-ordinate(X = 50, Y = -50 ) from home position (X=0, Y=0) and return back to home position. The max distance the robot has to move is 20 meters....
View ArticleHow can I reduce drift in my robot's trajectory?
## The Problem (TL;DR) ## My robot used to travel in straight lines between point A and point B. Now it doesn’t. I want to figure out why and how I can make it do that again by forcing the local path...
View Articlerviz is not publishing goal to the topic /move_base_simple/goal
I am setting up ros navigation stack on a robot called Beam. I am not using a static map for the navigation instead i have set the rolling_window parameters true for both global and local cost maps. (I...
View ArticleMovebase: robot move backwards when it detects an obstacle
Hi all, What is the parameter that controls how far backwards the robot goes when it detects an obstacle at close proximity? Is it an issue related to the local planner or a setting in move_base?...
View ArticleIntegrate a GPS sensor with robot_localization and use move_base node
Hello, I’m trying to integrate a `GPS` sensor to my mobile robot with the `robot_localization_node`. I have an IMU sensor added to my `robot_localization_node` but now I have some theoretical questions...
View ArticleHow to cancel a move_base goal using smach SimpleActionState?
Hello, I am using smach with a SimpleActionState to send navigation goals to move_base with: StateMachine.add('GO_TO_DOCKING_ZONE',SimpleActionState('move_base',MoveBaseAction, goal_cb = goal_callback,...
View ArticleRobot can not avoid obstacle in navigation stack
Hi, I am using ros-indigo on ubuntu 12.04 LTS. I am trying to use navigation stack, but I have some problem. My robot can move "Initial Pose" to "goal", But can't avoid obstacles. Whether the obstacle...
View Articleobstacle add from voxel_layer cannot clear
I am trying to test the obstacle avoid in my robot, I am using a laserscan and a pointcloud2 sensors to get the information of the obstacles, they add the obstacles right in the 2d visualization, the...
View ArticleHow to specify costmap_2d layers?
Hi. I am trying to define an obstacle layer in my costmap_common_params.yaml file. As per the tutorial [here](http://wiki.ros.org/costmap_2d/Tutorials/Configuring%20Layered%20Costmaps), this is what I...
View ArticleIs it possible to run Navigation stack in tracked robot?
I want a build a multi-terrain self-navigation vehicle. I had designed a tracked(belted wheel) robot which will be suitable for my application. Now is it possible to run ROS navigation stack in a...
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