local costmap empty using move_base_node
Hi, I'm using move_base_node in stage, and I've found that local costmap is empty. In this picture from rviz I can see that global costmap is fine but local costmap (the small square) is empty. The red...
View Articlehow to move robot in gazebo using joints or motors
I have one urdf file for an car look robot . I would like to move the robot in the gazebo simulator. the car have 4 links for 4 wheel. 4 joints attached with the 4 wheel link. I also add actuator and...
View ArticleROS navigation real-world implementation ?
Hi, I was wondering if there are any real-world systems using the ROS navigation package? I'm talking about commercially applied robots. Does anyone have any info of ROS navigation implementations in...
View ArticleLocal costmap is empty
I am trying something with the simulation of navigation with Turtlebot but with different frame_id's and topics. I checked that the laser data is being relayed to /scan and that my TF tree is...
View ArticleCompletion time of autonomous navigator of ROS.
1. Can autonomous navigator of ROS give **two different completion time** for **two experiments in the same environment** and ***having same starting and ending positions***? 2. Are the **default...
View ArticleWaiting on transform from /base_footprint to /map to become available before...
I want to auto navigate my P3AT. Using ROS-Fuertr (on PC1: UBUNTU 12.04 LTS) & USARSim (on PC2: windows7 ). I have my launch file move_base.launch, but when i try, $ roslaunch my_robot_name_2dnav...
View Articlexy_goal_tolerance: the robot reaches the goal but doesn't trigger
Hi guys, I configured the Navigation stack as proposed in this [tutorials](http://wiki.ros.org/navigation/Tutorials/SendingSimpleGoals), but I have it seems that the server doesn't trigger when...
View Articlenavigation stack get crash
Hi, I am working with the navigation stack and when I command a goal (by rviz) which is inside an obstacle I get the following error. This is something I have begun to experience recently (after...
View ArticleHow can i make pr2 go closer to a wall
Hello, I am trying to let PR2 go parallel with a Wall as close as it can be (hopeful around 5cm). I tried to change some parameters in global_costmap, local_costmap and safe_teleop_base using...
View Articlenavigation with husky on Rviz and Gazebo : robot sliding and odom problem
Hello, I am trying to navigate in a simple closed world with a husky robot, using move_base. I mapped the world with hector_mapping. When I navigate with move_base, the /encoder topic published by the...
View Articlehector_controller and move_base
Hi guys, I have a question regarding the hector_controller and how it works. In many question on this Q&A I've read that the software is going to works with `/move_base` which gives the velocity...
View Articlemove turtlebot 1 meter forward
I would like to move my turtlebot forward for 1 meter (in the direction he is facing). The way i do it is like this: - subscribe to topic "/camera/depth_registered/points" - create a "fake point" (just...
View ArticleMove_base usage
Hi, I want to work with move_base package and I don't know how to achieve certain objectives. I want to pause the pause the movement (given a goal I want to pause the movement until I receive a signal...
View ArticleWhy does the DWA Local Planner need an acceleration value of >= 1.0?
Sometimes, in cluttered environments, our (differential wheeled) robot seems to accelerate too fast and navigates itself into places it cannot escape from. Just to test if a lower acceleration would do...
View Articlemove_base_node callbacks
Hi, I was going through the code for the move_base_node: int main(int argc, char** argv){ ros::init(argc, argv, "move_base_node"); tf::TransformListener tf(ros::Duration(10)); move_base::MoveBase...
View ArticleSending map co-ordinates as goal to move_base
I have an occupancy grid map and an exploration algorithm that provides me with 2 dimensional co-ordinates to travel to. The mapping and goal generation are working perfectly. Unfortunately, an error...
View Articlemove_base respawning with wrong parameters after crash
I'm running an instance of `move_base` using `carrot_planner` and `dwa_local_planer`, with global map not initialised. The `move_base` instance is launched with the "respawn" parameter set to true. The...
View ArticlePackage "ompl" does not follow the version conventions
Hi all! I'm trying do implement a base_global_planner plugin with RRT algorithm, for that I'm using the ompl package. The code compiles with no errors, and I followed the steps for registering the...
View ArticlePath Planning error with Move_Base
Hello, I am currently implementing a simulation wherein a robot is supposed to explore and map an unknown environment. An exploration algorithm decides on a frontier cell for a robot to move towards...
View ArticleCommanding simple paths / curves to move_base
Hi I want to measure the power consumption of my robot when it moves on some simple paths. For example I would like to command **a straight movement leading to a curve of a specific radius with a...
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