Navigation by goal with Hector Quadrotor

asked 2013-03-04 05:24:03 -0600

Iván
3 ●3 ●3 ●6

updated 2014-01-28 17:15:30 -0600

ngrennan
1 ●1 ●1

Hi!

I'm making a ROS enable quadrotor. And I'm learning a little with Hector Quadrotor in Gazebo.

I can use pr2_teleop to control the quadrotor, but I don't know how navigate by goals or paths. I found a launch file in

hector/hector_navigation/hector_exploration_node/launch/exploration_planner.launch

that sould works to this purpose. But when I try to launch it I receive the next error:

ERROR: cannot launch node of type [hector_exploration_node/exploration_planner_node]: can't locate node [exploration_planner_node] in package [hector_exploration_node]

Are there any way to launch that file? Are there any way in that package to navigate by key point or to a goal?

Thank you so much!

answered 2013-03-04 06:23:14 -0600

Stefan Kohlbrecher

24361 ●173 ●299 ●444 https://www.energy-rob...

updated 2013-03-04 19:30:41 -0600

This indicates that the node hasn't been built yet. A

rosmake hector_exploration_node

should fix that error.

/edit: In response to your comment: There was a compile error in hector_exploration_planner from Feb 12th to Feb 16th, but it should be fixed now. If you update your repo and try again, it should work.

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I have already tried that, but it returns a failure.

[rosmake-6] Finished <<< hector_exploration_planner [FAIL] [ 3.98 seconds ]
[ rosmake ] Halting due to failure in package hector_exploration_planner. [ rosmake ] Waiting for other threads to complete.

Complete log: http://goo.gl/KfHdg

Iván ( 2013-03-04 09:18:54 -0600 )edit

Oh ok, I see. See my edit above.

Stefan Kohlbrecher ( 2013-03-04 19:31:14 -0600 )edit

Ok, it works. Thank you! But now it returns a message "Still waiting on map". So I try using "indoor_slam_gazebo.launch" as map. And then there are a lot of errors.

Because of that I would like change the question, do you know a simple rosrun file to say to the robot, "go from 0,0,0 to 1,1,1"?

Iván ( 2013-03-05 01:02:32 -0600 )edit

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