Multiple Goal Buttons in RVIZ?
Hi everyone, I have to control more than one robot at a time. The robots are administered by a central ROS server and can be displayed and controlled using ROS RVIZ at the same time. Every robot runs...
View Articleobstacle avoidance with navigation stack
Hi, I'm running the navigation stack and using rviz 2DNav to send goal to my robot but it don't avoid obstacles. I'm sure thta it detects them because they're displayed when I use the grid cells...
View Articleremote rviz does not set pose or goal
I am testing navigation stack on my robot using rviz remotely. Rviz shows all the data from the robot without errors. But when I try to set robot position or goal position nothing happens. If I use...
View Articlehow to make the robot rotate towards the path direction
Hello, I have set up the Navigation stack on a Neato xv-11 with an Asus xtion pro live mounted on it (the neato lidar is dead, sadly). slam (amcl) is functioning correctly, the planner...
View Articleactionlib goal cancel hangs
I am using actionlib in fuerte on ubuntu 12.04 to send goals between a planner/exec and an execution system. I have noticed that on some goal.cancel() calls the node hangs. None of the under-the-hood...
View ArticleGiving goal points without using rviz
In various scenarios we need to give goals to the robot and using rviz is the most popular way to do it in the ROS community. However, in various low level processors (viz. Raspberry Pi and other ARM...
View ArticleReaching navigation checkpoints without stopping between them
Hi, ROS-beginner here. We have an application that sends navigation goal points to an ROS node. This ROS node gives navigation goal points to the robot by a move base action client. What we would like...
View Articlerviz goal topic: fuerte vs groovy
Did the default **2D Nav Goal** topic advertised by rviz change from fuerte to groovy? It appears the new default is `move_base_simple/goal`, and the old one was just `goal`. Is this intentional? I...
View ArticleHow to get the info from a goal with more than one type in a goalCB?
Hey, I encountered the following problem: My goal definition in my action file has two types and I only know how to get one of this values from the acceptNewGoal(). My goal definition is: `#goal...
View ArticleUnable to use move_base trajectory planner sending goal by code
Hi all, I apply move_base tutorial to a Pioneer 3DX robot for a university project. My project create a costmap, search object into the scene and set goal that the robot have to reach. My problem is...
View ArticleFrame in which Goal should be set
With respect to which frame, robot goal should be set - is it /odom or /base_link or /map ? Out of /odom , /map and /base_link frames which should be the source and target frames in...
View ArticleNavigation_stack actionlib goal coordinates
Dear all I have a navigation_stack implemented and working. And, I would like to send the goal coordinates in the code through a topic using actionlib. I dont want to send the goal coordinates through...
View ArticleMove base to absolute coordinates?
Hi again, I'm playing around with `actionlib` and `smach` trying to make my robot move to four specific absolute points on the map. I'm using MoveBaseGoal to drive the robot, however, it seems to...
View Articlerobot goes straight to the goal when it is at its left, but always rotates in...
Hi, I have a non holonomic robot, a neato XV-11 base equipped with an asus xtion pro live (kinect equivalent). I have set up the navigation stack, and am using TrajectoryPlannerROS as a base local...
View Articlehow to change goal with simple_navigation_goals
Im having a problem with the code i got from the tutorial for simple_navigation_goals. When i send the goal ac.sendGoal(goal) it works fine and sends the goal but when i change the goal and post a new...
View ArticleMoving Turtlebot to a goal without a map
Hi there! We're two newbies. We installed Ros Electric on a pc acer aspire 5740g running Ubuntu Lucid 10.04. Our task is to move Turtlebot giving vocal commands. We're doing it writing publishers and...
View ArticleSubscribing to move_base/current_goal
Is there an easy way to subscribe to move_base/current_goal and use this information in a node? And if not how can i obtain the orientation and position of the goal? Thanks
View ArticleLocation of robot
Sorry for the noob question but im kind of lost and confused. When i have a robot, pioneer 3dx, and im using navigation and gmapping to make it navigate a environment, when i want to know where am i or...
View ArticleValidate goal pose reachability without actually moving
Hi all, I am aware that sendGoal() method in actionlib::SimpleActionClient can be used for reaching a goal pose. However if the goal is reachable it physically moves to the target pose. I want to know...
View ArticleHow much to turn to face the goal?
Hi, I am implementing a simple algorithm to move the robot towards an assumed goal position in the willow-erratic world map in stage_ros package. I want to calculate the degree quantity that the robot...
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