ros navigation stack - tf problems.
Hi all, im trying to implement ros navigation stack on 4 wheel robot
my system built from arduino to control the motors with cmd_vel topic and im running ros noetic on raspberry pi 4(ubiquity version)
the sensor I'm using is rplidar a1 and I'm doing the mapping with hector-slam
when I'm trying to auto-navigate the robot with the served map, I get tf errors that I can't manage to solve,
I'd appreciate some guidance on how to approach the problems
including my tf tree and the navigation launch file
thank's in advance.
tf tree: link text
launch file:
<launch>
<!-- Run teleop -->
<include file="$(find electrobot)/launch/electrobot_teleop.launch"/>
<!-- Run lidar. -->
<arg name="node_start_delay" default="5.0" />
<!-- Run the map server -->
<node name="map_server" pkg="map_server" type="map_server" args="$(find electrobot)/maps/blackroom2.pgm 0.05"/>
<!-- Add transformations. -->
<node pkg="tf" type="static_transform_publisher" name="base_to_laser_broadcaster" args="0 0 0 0 0 0 base_link laser 100"/>
<!--
HECTOR STUFF.
-->
<arg name="tf_map_scanmatch_transform_frame_name" default="scanmatcher_frame"/> <arg name="base_frame" default="base_link"/> <arg name="odom_frame" default="base_link"/> <arg name="pub_map_odom_transform" default="true"/> <arg name="scan_subscriber_queue_size" default="10"/> <arg name="scan_topic" default="scan"/> <arg name="map_size" default="2048"/> <arg name="pub_odometry" default="true"/>
<node pkg="hector_mapping" type="hector_mapping" name="hector_mapping" output="screen">
<param name="pub_odometry" value="$(arg pub_odometry)"/>
<!-- Frame names -->
<remap from="map" to="mapcurrent" />
<param name="map_frame" value="mapcurrent_frame" />
<param name="base_frame" value="$(arg base_frame)" />
<param name="odom_frame" value="$(arg odom_frame)" />
<!-- Tf use -->
<param name="use_tf_scan_transformation" value="true"/>
<param name="use_tf_pose_start_estimate" value="false"/>
<param name="pub_map_odom_transform" value="$(arg pub_map_odom_transform)"/>
<!-- Map size / start point -->
<param name="map_resolution" value="0.050"/>
<param name="map_size" value="$(arg map_size)"/>
<param name="map_start_x" value="0.5"/>
<param name="map_start_y" value="0.5" />
<param name="map_multi_res_levels" value="2" />
<!-- Map update parameters -->
<param name="update_factor_free" value="0.2"/>
<param name="update_factor_occupied" value="0.9" />
<param name="map_update_distance_thresh" value="0.2"/>
<param name="map_update_angle_thresh" value="0.06" />
<param name="laser_z_min_value" value = "-1.0" />
<param name="laser_z_max_value" value = "1.0" />
<!-- Advertising config -->
<param name="advertise_map_service" value="true"/>
<param name="scan_subscriber_queue_size" value="$(arg scan_subscriber_queue_size)"/>
<param name="scan_topic" value="$(arg scan_topic)"/>
<!-- Debug parameters -->
<!--
<param name="output_timing" value="false"/>
<param name="pub_drawings" value="true"/>
<param name="pub_debug_output" value="true"/>
-->
<param name="tf_map_scanmatch_transform_frame_name" value="$(arg tf_map_scanmatch_transform_frame_name)" />
</node>
<!--
AMCL stuff.
-->
<node pkg="amcl" type="amcl" name="amcl">
<param name="tf_broadcast" value="true" />
<param name="base_frame_id" value="base_link" />
<param name="global_frame_id" value="map" />
<param name="odom_frame_id" value="scanmatch_odom" />
<param name="use_map_topic" value="false" />
<remap from="scan" to="scan" />
<param name="odom_model_type" value="diff" />
<param name="transform_tolerance" value="0.5" /> ...