US Patent 11370123 Mobile robot and method of controlling the same

A method may be provided for controlling a mobile robot. This may include receiving user input including a predetermined service request by the mobile robot, receiving an article to be served, by the mobile robot, searching for a user, analyzing a gesture of the user, and extracting a serving position, by the mobile robot, analyzing an image of the serving position and extracting a distance and height of the serving position, moving the mobile robot to the serving position and lifting the served article to be served, to a height of the serving position, and putting down the article to be served at the serving position by horizontally moving the article to be served to the serving position.