Patent attributes
An unmanned aerial vehicle system includes an unmanned aerial vehicle, a user input device, and ground station. The user input device is configured to generate a signal and control the unmanned aerial vehicle based on the generated signal. The ground station is coupled to the unmanned aerial vehicle via a tether assembly. The ground station includes a motorized spool and a controller. The motorized spool is coupled to the tether assembly and configured to electromechanically control spooling and unspooling of a tether of the tether assembly. The controller is configured to control operation of the motorized spool based on an anticipated movement of the unmanned aerial vehicle.