clear_costmap service not working.....
I want to clear the dynamic obstacles in the costmap manually for this I am trying to clear all the layers of the costmap except static layer by editing the clear_costmaps service (because if I use...
View Articleglobal costmap is rotated compared to the map
Hello there. I use navigation stack to perform autonomous navigation in known map. I got help from this tutorial http://wiki.ros.org/navigation/Tutorials/RobotSetup but, as you can see in the picture...
View ArticleHigh CPU usage for AMCL and move_base under namespace
I am trying to run the ROS navigation stack on a turtlebot, with everything under a namespace (in this case, the namespace is `robot_0`). The netbook that everything is running on has a dual-core...
View Articlehow to let gmapping move_base and amcl work together?
now we can use gmapping to draw a map, and use move base and amcl to navagate, but , how can I use the two part . and when i viset a new zone , I can draw new map to add to old map?
View ArticlePID Control and the Navigation Stack
Hello, I'm trying to learn how to properly set up a standard ROS navigation and control stack to drive a field robot (one that operates outdoors, navigating primarily by GPS and possibly a compass). My...
View Articlehow to judge move_base has go to the goal?
We can control the robot to a goal, using base_move and amcl. but i can not judge that when the robot reached the goal. I think, we can judge the vel or the tf not change to do it . but, I think that...
View Articlemove_base action server doesn't come up with a real robot
Hello ! I try to run the move_base node on a real robot. When I run it in simulation (with another robot), it works successfully. But, when I try to bring up the navigation stack on a real robot, the...
View Articlemove_base corrupt linked list
I have the navigation stack working, but the move_base node is consistently crashing. The behavior is very consistent; eventually it crashes with the same error every time. The amount of time it takes...
View Article/move_base died when running rbx1 simulation
Hi all, I'm running the fake_move_base in > ros-by-example-indigo vol1 Chapter 8.2 using ArbotiX simulator. I followed the instruction by typing (all the prerequisites have been fulfilled) $...
View Articlemove_base node without actual robot?
hello, since i have only laser scanner and trying to show obstacles in a built map via hector_slam/gmapping. first i tried to use costmap_2d only but i have some problems in there ( [my previous...
View Articleamcl dont do the localization job and results in unmatching maps
hello, I'm using lms100 only, when i use gmapping+laser can matcher and costmap at the same time it was ok, but then i tried the other option; static map and amcl (again with laser scan matcher) cant...
View Articleexplanation of use_map_topic in amcl?
In AMCL page, for use_map_topic it says "When set to true, AMCL will subscribe to the map topic rather than making a service call to receive its map." but i dont get it. can someone explain it? I...
View ArticleHector Mapping and Exploration
Greetings! I am still getting the hang of ROS and i have a couple questions about autonomous exploration to create a map. I have Hector_Mapping working and my next goal is to have the robot map the...
View ArticleNavigating a robot using same path every time
Hello, I am not sure if I am clear here with my question. What I want to do is create a map with couple of obstacles in it and to make the robot drive around them, making an 8 shape. Something similar...
View Articlemove_base turns clockwise when counterclockwise would be faster
In both of the scenarios depicted below, by robot turns clockwise. counterclockwise is obviously much faster. It will however turn counterclockwise if the goal is very close to in front of the robot,...
View ArticleExtrapolation error when sending goals to the robot via navigation stack
Hi there, I am using the P3DX robot to navigate an indoor environment using the SICK 500 LIDAR. I have brought up the robot using [rosarnl](https://github.com/MobileRobots/ros-arnl). I have defined my...
View ArticleSetting default tolerance on Global Planner with Move Base
Hey, I am trying to set the default tolerance on the GlobalPlanner using move_base for a simulation I am doing with a husky. The key behavior I am looking for is that if I give the husky a goal that is...
View ArticleInconsistency between move_base and stage_ros
Hi, I'm using move_base and stage_ros in the indigo release and I'm getting a strange behavior of the simulated robot. I'll try to explain it with an example: I have a map which is loaded both by the...
View ArticleUsing move_base without map
Very similar to this question but it went unanswered http://answers.ros.org/question/155091/move_base-without-map/ I'm trying to use `move_base` to drive my robot and have no map because I don't need...
View Articlehector mapping and naviagtion
Hi, I have a rplidar laser scanner and use rplidar driver to obtain my /scan topic. I use the hector mapping launch file to generate a map as I dont have an IMU, and sucessfully manage to create a map....
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