- u -

• UINT16 : sensor_msgs::PointField
• UINT32 : sensor_msgs::PointField
• UINT8 : sensor_msgs::PointField
• ULTRASOUND : sensor_msgs::Range
• UNABLE_TO_AQUIRE_SENSOR_DATA : moveit_msgs::MoveItErrorCodes
• UNFEASIBLE : manipulation_msgs::ManipulationResult
• UNIVERSAL : gazebo_msgs::GetJointPropertiesResponse
• UNKNOWN_ERROR : household_objects_database_msgs::DatabaseReturnCode
• UPDATE : visualization_msgs::InteractiveMarkerUpdate