Drones and flying robots use advanced technologies including sensors, cameras, GPS and maneuvering systems to move in the air. Drones and flying robots have various applications in many fields. In the military field, for example, they are used to gather intelligence, monitor the environment, and conduct military operations. In the social field, drones and flying robots are used in aerial photography and videography, natural environment monitoring, assistance in rescue operations, smart agriculture, as well as fast and effective delivery of parcels. These robots are very useful and efficient due to their ability to fly in difficult environments and reach places that are difficult for humans.