nav2d autonomouse exploration
Hi, I installed and tried nav2d navigation package exploration feature, with a real robot setup (kobuki base, urg-04lx) as per ros wiki instructions. i modified the tutorial3 launch and param files,...
View ArticleUnable to move the second robot using nav2d exploration
Hi, I am trying to explore an area autonomously using multiple robots. I have created a launch file which looks like below: I am able to move the first robot for mapping and exploration, but the...
View ArticleUnable to load plugins; ClassLoader error
I have created a plugin to test some changes that I will make in the exploration algorithm later. But, I am unable to load the plugins which I created. When I run my launch file, it calls for this...
View ArticleChanges in RobotNavigator.cpp have no effect
Hi, I am seeing a strange effect that even though I removed some comments from RobotNavigator.cpp file in nav2s_navigator package. When I run it, I can still see the same log messages in rqt_console...
View ArticleIs there a way I can force the robots to be already localized ?
I want the robots to be already localized when I start the program. Is there any way for this, so that I do not have to move the robot manually and localize it? I have two robots and in order to...
View Articlehow to save explored unknown map with multiple robots?
Hi, I have two robots and they explore an unknown environment. In the second run, I want them to explore this map again but this time as a known map. How can I save the explored map in the first turn?...
View ArticleHow can I estimate the coverage performed by an algorithm while exploring an...
Hi, I am using the nav2d exploration package to explore an unknown environment. I am using various strategies like NearestFrontier and MinPos Planner. Is there a way through which I can estimate the...
View ArticleHow to increase the cell size in occupancy grid properly?
Hi, I want to change the cell size in the occupancy grid. I changed the resolution from 0.1 to 0.5. But after this, my exploration algorithm fails at first step only. Any idea why this is happening? I...
View Articlenav2d exploration plugin
Hi all, I see [nav2d](http://wiki.ros.org/nav2d) comes with the ability to plugin exploration planners via pluginlib for cooperative exploration. The source includes some example plugins. I've gone...
View ArticleUnderstanding launch file from nav2d tutorial
I have a node that I want to subscribe two topics from nav2d, I'm interested to use the /base_scan and /odom topics. When I look in launch files then I can see ` ` I know that "scan" in stage that is...
View ArticleHow to setup the yaml files for a modified map?
Hi all I'm using Nav2d where the part of simulator is replaced with my own physical robot. The map in simulator has larger dimension size than my map which is only 5x3 meters. Since the map size is...
View ArticleHow does first robot gets automatically localized?
I was reading the tutorial on nav_2d at http://wiki.ros.org/nav2d/Tutorials/DistributedMapping. But, I am confused as in the explained scenario, the first robot gets automatically localized and only...
View ArticleCan nav2d robot move with Beam Model instead of Likelihood Field Model?
Hi I have tried to change the measurement model in Self Localizer from Likelihood Field Model to Beam Model, where I have only replaced number 2 to 1 in this line: `localNode.param("laser_model_type",...
View Articlenav2d toturial 3
Hello everybody, i'm using Ubuntu 14.04 LTS and ROS Indigo i'm trying to launch tutorial 3 for nav2d package. but it seems that there's error in the mapper. all what i did is first i launched the...
View Articlehow to use nav2d with my own lidar and slam algorithm?
i'm trying to do this job,here is the scene: I want to take my lidar move around a house ,and i hope nav2d could give me a path about how to move to the most proper frontiers,my slam algorithm is...
View ArticleNav2d Turtlebot3 not receiving map when running Tutorial 3
I am trying to modify the Nav2d Tutorials to work with my Turtlebot3 to do autonomous mapping of an unknown space. I was able to get Tutorials 1 and 2 working by replacing "Stage" with my robot...
View ArticleStartExploration and StartMapping not working with Nav2d and Turtlebot3
We are trying to execute Tutorial 3 using a Turtlebot3 robot and gmapping. The map is appearing in rviz and teleoperation is working. However, when we send the StartExploration command, the robot does...
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