TF problems while using robot_localization with navigation stack/move_base in a static map environment

asked 2019-09-30 07:56:49 -0500

enthusiast.australia gravatar image

updated 2019-10-02 11:04:33 -0500

hello everyone, i have updated my question because of finding the error i have. I am using a static map which i provide to map server through this launch file.


      <arg name="map_file" default="$(find provide_map)/maps/map.yaml"/>

      <!-- Run the map server -->
      <node name="map_server" pkg="map_server" type="map_server" args="$(arg map_file)" >
            <param name="frame_id" value="odom"/>


If i launch this file without fram id=odom, it gives me error in rviz that no Transform from map to odom.

Now i am using robot_localization along with navigation stack/move_base. THe robot detects its position in map, go to goal accordingly. The only problem is of base_footprint. It is relying only on odomtery and not on output of robot_localization. Error, when i pick and place rabot randomly, it works but sometimes base_footprint goes out of map, resulting in no path generation. Below is a picture of RVIZ to enlighten the problem.

image description

My move_base launch file is

  <!-- Arguments -->
  <arg name="model" default="$(env TURTLEBOT3_MODEL)" doc="model type [burger, waffle, waffle_pi]"/>
  <arg name="cmd_vel_topic" default="/cmd_vel" />
  <arg name="odom_topic" default="odom" />
  <arg name="move_forward_only" default="false"/>

      <!-- move_base -->
      <node pkg="move_base" type="move_base" respawn="false" name="move_base" output="screen">
        <param name="base_local_planner" value="dwa_local_planner/DWAPlannerROS" />
        <rosparam file="$(find turtlebot3_2dnav)/param/costmap_common_params_$(arg model).yaml" command="load" ns="global_costmap" />
        <rosparam file="$(find turtlebot3_2dnav)/param/costmap_common_params_$(arg model).yaml" command="load" ns="local_costmap" />
        <rosparam file="$(find turtlebot3_2dnav)/param/local_costmap_params.yaml" command="load" />
        <rosparam file="$(find turtlebot3_2dnav)/param/global_costmap_params.yaml" command="load" />
        <rosparam file="$(find turtlebot3_2dnav)/param/base_local_planner_params.yaml" command="load" />
        <rosparam file="$(find turtlebot3_2dnav)/param/dwa_local_planner_params_$(arg model).yaml" command="load" />
        <remap from="cmd_vel" to="$(arg cmd_vel_topic)"/>
        <remap from="odom" to="$(arg odom_topic)"/>
        <param name="DWAPlannerROS/min_vel_x" value="0.0" if="$(arg move_forward_only)" />


  global_frame: base_footprint
  robot_base_frame: base_link

  update_frequency: 10.0
  publish_frequency: 10.0
  transform_tolerance: 0.5  

  static_map: true  
  rolling_window: true
  width: 3
  height: 3
  resolution: 0.05


  global_frame: odom
  robot_base_frame: base_footprint

  update_frequency: 10.0
  publish_frequency: 10.0
  transform_tolerance: 0.5

  static_map: true

If i change the value of robot_base frame to base_link, it gives me error. Could not get robot pose. How should i make my tf tree and which frame should be used in which file?


   frequency: 30
    sensor_timeout: 0.1
    two_d_mode: false
    transform_time_offset: 0.0
    transform_timeout: 0.0
    print_diagnostics: true
    debug: false
    debug_out_file: /path/to/debug/file.txt
    publish_tf: true
    map_frame: map            
    odom_frame: odom           
    base_link_frame: base_footprint
    world_frame: odom           
    odom0: odom

    odom0_config: [false, false,  false,
                   false, false, true,
                   false, false, false,
                   false, false, false,
                   false, false, false]

    odom0_queue_size: 2
    odom0_nodelay: false
    odom0_differential: false
    odom0_relative: false
    odom0_pose_rejection_threshold: 5
    odom0_twist_rejection_threshold: 1

    odom1: odom1
    odom1_config: [true, true, false,
                   false, false, false,
                   false, false, false,
                   false, false, false,
                   false, false, false]
    odom1_differential: false
    odom1_relative: true
    odom1_queue_size: 2
    odom1_pose_rejection_threshold: 2
    odom1_twist_rejection_threshold: 0.2
    odom1_nodelay: false
    use_control: false
    stamped_control ...
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Your odom0_config says that you are not taking x,y and z of odom0 into account.

Choco93 gravatar imageChoco93 ( 2019-09-30 09:07:05 -0500 )edit

yes. I am doing so. But i am taking x,y from odom1 instead of Odom0. And it is not working. Is my approach not possible/valid?

enthusiast.australia gravatar imageenthusiast.australia ( 2019-09-30 09:13:37 -0500 )edit

Should be possible, but there was some problem with it if I remember correctly. Try switching, make odom0 odom1 and vice versa

Choco93 gravatar imageChoco93 ( 2019-09-30 09:17:17 -0500 )edit

I tried but still same error which i have mentioned in my main question.

enthusiast.australia gravatar imageenthusiast.australia ( 2019-09-30 10:27:04 -0500 )edit

can you also share your tf_tree?

Choco93 gravatar imageChoco93 ( 2019-10-01 02:37:52 -0500 )edit

I have provided the tf tree in my updated question

enthusiast.australia gravatar imageenthusiast.australia ( 2019-10-01 04:40:48 -0500 )edit

Did you solve the issue?

Ahmed1212 gravatar imageAhmed1212 ( 2019-10-06 14:51:02 -0500 )edit