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1、move_base.launch

<launch>

  <node pkg="move_base" type="move_base" respawn="false" name="move_base" output="screen" clear_params="true">
    <rosparam file="$(find wheel_chair_navigation)/config/mbot/costmap_common_params.yaml" command="load" ns="global_costmap" />
    <rosparam file="$(find wheel_chair_navigation)/config/mbot/costmap_common_params.yaml" command="load" ns="local_costmap" />
    <rosparam file="$(find wheel_chair_navigation)/config/mbot/local_costmap_params.yaml" command="load" />
    <rosparam file="$(find wheel_chair_navigation)/config/mbot/global_costmap_params.yaml" command="load" />
    <rosparam file="$(find wheel_chair_navigation)/config/mbot/base_local_planner_params.yaml" command="load" />
  </node>
  
</launch>

1. base_local_planner_params.yaml

controller_frequency: 3.0
recovery_behavior_enabled: false
clearing_rotation_allowed: false

TrajectoryPlannerROS:
   max_vel_x: 0.5
   min_vel_x: 0.1
   max_vel_y: 0.0  # zero for a differential drive robot
   min_vel_y: 0.0
   max_vel_theta: 1.0
   min_vel_theta: -1.0
   min_in_place_vel_theta: 0.5
   escape_vel: -0.1
   acc_lim_x: 1.5
   acc_lim_y: 0.0 # zero for a differential drive robot
   acc_lim_theta: 1.2

   holonomic_robot: false
   yaw_goal_tolerance: 0.1 # about 6 degrees
   xy_goal_tolerance: 0.1  # 10 cm
   latch_xy_goal_tolerance: false
   pdist_scale: 0.9
   gdist_scale: 0.6
   meter_scoring: true

   heading_lookahead: 0.325
   heading_scoring: false
   heading_scoring_timestep: 0.8
   occdist_scale: 0.1
   oscillation_reset_dist: 0.05
   publish_cost_grid_pc: false
   prune_plan: true

   sim_time: 1.0
   sim_granularity: 0.025
   angular_sim_granularity: 0.025
   vx_samples: 8
   vy_samples: 0 # zero for a differential drive robot
   vtheta_samples: 20
   dwa: true
   simple_attractor: false

2.costmap_common_params.yaml

obstacle_range: 2.5
raytrace_range: 3.0
footprint: [[0.175, 0.175], [0.175, -0.175], [-0.175, -0.175], [-0.175, 0.175]]
footprint_inflation: 0.01
robot_radius: 0.175
inflation_radius: 0.15
max_obstacle_height: 0.6
min_obstacle_height: 0.0
observation_sources: scan
scan: {data_type: LaserScan, topic: /scan, marking: true, clearing: true, expected_update_rate: 0}

3.global_costmap_params.yaml

global_costmap:
   global_frame: map
   robot_base_frame: base_footprint
   update_frequency: 1.0
   publish_frequency: 1.0
   static_map: true
   rolling_window: false
   resolution: 0.01
   transform_tolerance: 1.0
   map_type: costmap

 4.local_costmap_params.yaml

local_costmap:
   global_frame: odom
   robot_base_frame: base_footprint
   update_frequency: 3.0
   publish_frequency: 1.0
   static_map: true
   rolling_window: false
   width: 6.0
   height: 6.0
   resolution: 0.01
   transform_tolerance: 1.0