Gazebo/Black Gazebo/Black Gazebo/Black Gazebo/Black Gazebo/Black transmission_interface/SimpleTransmission hardware_interface/PositionJointInterface hardware_interface/PositionJointInterface 1 transmission_interface/SimpleTransmission hardware_interface/PositionJointInterface hardware_interface/PositionJointInterface 1 transmission_interface/SimpleTransmission hardware_interface/PositionJointInterface hardware_interface/PositionJointInterface 1 transmission_interface/SimpleTransmission hardware_interface/PositionJointInterface hardware_interface/PositionJointInterface 1 /gazebo_demo1 gazebo_ros_control/DefaultRobotHWSim true