Update motor_control_node.py

ros2/src/robobin/robobin/motor_control_node.py

@@ -49,7 +49,7 @@ class MotorController(Node):
         elif v == -0.5:
             self.left_pwm = -75
             self.right_pwm = -75  
-        if v == 0:
+        if v == 0 and omega == 0:
             self.left_pwm = 0
             self.right_pwm = 0