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I created simplified footprints combining a robot and the some tow attachment with given dimensions. I dont need any sensors as I just want to test the planners with created footprint using move_base in ROS noetic in Navigation stack. Think, I dont need any node but correct me if wrong. So I created, firstly navigation launch file. Here its
<?xml version="1.0" ?>
<launch>
<!-- Map Server -->
<node pkg="map_server" type="map_server" name="map_server" args="$(find robot_navigation)/maps/map.yaml"/>
<!-- Static Transforms -->
<node pkg="tf" type="static_transform_publisher" name="map_to_odom" args="0 0 0 0 0 0 map odom 0.1" />
<node pkg="tf" type="static_transform_publisher" name="odom_to_base_link" args="0 0 0 0 0 0 odom base_link 0.1" />
<node pkg="tf" type="static_transform_publisher" name="base_link_to_towing_attachment" args="0 -0.35 0 0 0 0 base_link towing_attachment 0.1" />
<!-- Robot State Publisher -->
<node pkg="robot_state_publisher" type="robot_state_publisher" name="robot_state_publisher">
<param name="publish_frequency" value="10.0" />
<param name="robot_description" command="$(find xacro)/xacro $(find robot_navigation)/urdf/robot.urdf.xacro" />
</node>
<!-- Joint State Publisher (Optional for Visualization) -->
<node pkg="joint_state_publisher_gui" type="joint_state_publisher_gui" name="joint_state_publisher_gui" />
<!-- Move Base Node -->
<node pkg="move_base" type="move_base" name="move_base" output="screen">
<!-- Load costmap and planner parameters -->
<rosparam file="$(find robot_navigation)/config/costmap_common_params.yaml" />
<rosparam file="$(find robot_navigation)/config/global_planner_params.yaml" />
<rosparam file="$(find robot_navigation)/config/local_planner_params.yaml" />
<rosparam file="$(find robot_navigation)/config/recovery_behaviors.yaml" />
<param name="base_global_planner" value="navfn/NavfnROS" />
<param name="base_local_planner" value="dwa_local_planner/DWAPlannerROS" />
</node>
<!-- RViz for Visualization -->
<node pkg="rviz" type="rviz" name="rviz" args="-d $(find robot_navigation)/config/rviz_navigation_config.rviz" required="true" />
</launch>
Then the parameters file are the followings Common_costmap_parametars.yaml
plugins:
- {name: obstacle_layer, type: "costmap_2d::ObstacleLayer"}
- {name: inflation_layer, type: "costmap_2d::InflationLayer"}
footprint: [[-0.35, 0.35], [-0.35, -0.35], [0.35, -0.35], [0.35, 0.35], [0.6, 0.0]]
footprint_padding: 0.02
robot_radius: 0.2
obstacle_range: 2.5
raytrace_range: 3.0
inflation_radius: 0.55
global_costmap:
global_frame: map
robot_base_frame: base_link
update_frequency: 5.0
publish_frequency: 2.0
static_map: true
rolling_window: false # Static map mode
width: 30.0 # Adjust based on your map size
height: 30.0
resolution: 0.05
local_costmap:
global_frame: odom
robot_base_frame: base_link
update_frequency: 5.0
publish_frequency: 2.0
static_map: false
rolling_window: true # Local window for dynamic updates
width: 6.0 # Focus on the robot's immediate surroundings
height: 6.0
resolution: 0.05
global_planner_params.yaml
NavfnROS:
allow_unknown: true
planner_patience: 5.0
default_tolerance: 0.0
use_dijkstra: true
use_quadratic: true
use_grid_path: false
local_planner_params.yaml:
DWAPlannerROS:
max_vel_x: 0.5
min_vel_x: 0.1
max_vel_theta: 1.0
min_vel_theta: -1.0
acc_lim_x: 2.5
acc_lim_theta: 2.5
xy_goal_tolerance: 0.2
yaw_goal_tolerance: 0.1 # Increased for smoother stops
sim_time: 1.5 # Increase simulation time for trajectory prediction
vx_samples: 20 # More velocity samples for smoother path
vtheta_samples: 40
path_distance_bias: 32.0
goal_distance_bias: 24.0
occdist_scale: 0.01
forward_point_distance: 0.2
stop_time_buffer: 0.2
and recovery_behaviors.yaml:
recovery_behaviors:
- {name: "clear_costmap_recovery", type: "clear_costmap_recovery/ClearCostmapRecovery"}
- {name: "rotate_recovery", type: "rotate_recovery/RotateRecovery"}
TrajectoryPlannerROS:
max_vel_x: 0.5
acc_lim_x: 2.5
recovery_behavior_enabled: true
clear_costmap_on_fail: true
rotate_recovery_enabled: true
But when launch the navigation file I got this warnings and errors
[ WARN] [1732561758.050841599]: Control loop missed its desired rate of 20.0000Hz... the loop actually took 0.3805 seconds [ WARN] [1732561758.051388479]: Map update loop missed its desired rate of
5.0000Hz... the loop actually took 0.2305 seconds [ WARN] [1732561758.426344393]: Control loop missed its desired rate of
20.0000Hz... the loop actually took 0.3755 seconds [ WARN] [1732561758.426647247]: Map update loop missed its desired rate of
5.0000Hz... the loop actually took 0.4060 seconds [ERROR] [1732561758.427151469]: Extrapolation Error: Lookup would require extrapolation 0.000719340s into the future. Requested time
1732561758.426456451 but the latest data is at time 1732561758.425737143, when looking up transform from frame [odom] to frame [map]
[ERROR] [1732561758.427307796]: Global Frame: odom Plan Frame size 588: map
[ WARN] [1732561758.427438369]: Could not transform the global plan to the frame of the controller [ERROR] [1732561758.427601409]: Could not get local plan [ INFO] [1732561758.476507989]: Got new plan [ERROR] [1732561758.477180604]: Extrapolation Error: Lookup would require extrapolation 0.000355752s into the future. Requested time
1732561758.476354599 but the latest data is at time 1732561758.475998878, when looking up transform from frame [odom] to frame [map]
[ERROR] [1732561758.477320969]: Global Frame: odom Plan Frame size 588: map
In Rviz when send the Nav goal the robot is not moving. Any help?
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