Minor fixes.

launch/antrobot.launch

@@ -5,7 +5,7 @@
     <!--  Antrobot uses the RPLiDAR A1/A2 by default. The package for RPLiDAR can be cloned
           form git clone https://github.com/robopeak/rplidar_ros.git.
           Note: the original rplidar at https://github.com/Slamtec/rplidar_ros contains errors.
-          If the RPLidar is used uncomment to include below.
+          If the RPLidar is used uncomment include below.
           If another LiDAR is used, change the configuration accordingly.
     -->
 <!--    <include file="$(find rplidar_ros)/launch/rplidar.launch" />-->

src/antrobot_ros/antrobot_key_teleop_node.py

@@ -23,7 +23,7 @@ def __init__(
             max_linear_velocity: float = 0.5,
             max_angular_velocity: float = 6.0,
             linear_step_size: float = 0.025,
-            angular_step_size: float = 0.3
+            angular_step_size: float = 0.2
     ):
         self.key_mapping = key_mapping
         if key_mapping is None:

src/antrobot_ros/antrobot_node.py

@@ -29,6 +29,7 @@ def run(self) -> None:
         if not ok:
             rospy.logerr("Failed to initialize rdrive!")
             raise RuntimeError("RDrive enabled failed.")
+        self.drive.move(0, 0)
 
         # Subscribe to cmd_vel messages
         rospy.Subscriber(self.cmd_vel_topic, Twist, self.__cmd_vel_callback__)