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way-points drift away everytime for amcl navigation

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Running in the simulation with the clearpath husky. I have husky gazebo running at the background. What I intend is to have a set of waypoints and send it as goals through move base. I tried waypoint_generator at first and declared a set of waypoints around in yaml and when I replayed my map with the yaml the waypoints have already drifted. The yaml looks like series of similar points : waypoints: - frame_id: odom name: 3.74155664444_0.696490764618 pose: orientation: w: 1 x: 0 y: 0 z: 2.4 position: x: 5.0515566444396973 y: 2.4264907646179199 z: 0.0 e.g. The originally (1,1,1) position set when replayed has moved to some other location. This is how the drifted waypoints look like. ![image description](/upfiles/1542093380585438.png) It could be probably due to the gazebo, for which the world space and coordinates are continuously changing, as a result, the scans don't match too. Then I also tried using this [script](https://github.com/MengGuo/Jackal_Velodyne_Duke/blob/master/navigation/seq_goal_nav.py) that converting amcl pose to 2D Euler and then declares an initial pose and sends a sequence of goals. I configured to my initial pose and a set of 6 points. However as I relaunch the static map, all the points have already moved. As a result, it can never reach its goal and the loop of sending the goal never ends. Any idea how to stop this drifting of the waypoints and improve the localization.

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