fix(control_launch): revert the vehicle speed threshold for steering …

…operation (autowarefoundation#135)

* Revert "fix(trajectory_follower): change stop check speed threshold to almost 0 (autowarefoundation#246)"

This reverts commit 0cdd76c.

* Revert "fix(trajectory_follower): change stop check speed threshold to 0 (autowarefoundation#232)"

This reverts commit 3bd7d8f.

Co-authored-by: Tomoya Kimura <tomoya.kimura@tier4.jp>

control_launch/config/trajectory_follower/mpc_follower.param.yaml

@@ -54,9 +54,9 @@
     steering_lpf_cutoff_hz: 3.0 # cutoff frequency of lowpass filter for steering command [Hz]
     error_deriv_lpf_cutoff_hz: 5.0
 
-    # stop state: steering command is kept in the previous value in the stop state.
-    stop_state_entry_ego_speed: 0.001
-    stop_state_entry_target_speed: 0.001
+    # stop state
+    stop_state_entry_ego_speed: 0.2
+    stop_state_entry_target_speed: 0.5
 
     # vehicle parameters
     vehicle: