Abstract:
Methods and apparatus to harvest renewable energy are provided herein. In some embodiments, a method to harvest renewable energy includes providing an aircraft suitable for untethered flight in an open airspace and an airborne kinetic energy conversion system attached to the airframe, the airborne kinetic energy conversion system comprising a turbine, a generator connected to the turbine, and electrical storage means connected to the generator; flying the aircraft; gaining excess kinetic energy; and converting excess kinetic energy into electricity using the kinetic energy conversion system.
Abstract:
Embodiments of methods and apparatus for close formation flight are provided herein. Methods of sensing three dimensional (3D) airflow by an aircraft are provided. Methods of searching for an airflow pattern are provided. Methods of vortex tracking by an aircraft are provided. Methods of operating aircraft for flight in a close formation are provided. Methods of operating aircraft in a close formation flight are provided. Methods of changing positions of at least two aircraft in a close formation flight are provided. Methods for establishing situational awareness during formation flight are provided. Methods for metric evaluation of a close formation between a leader aircraft and a follower aircraft are provided. Apparatus for close formation flight are provided. Air flow sensing systems are provided.
Abstract:
Methods and apparatus for supplying power to an electrical line or grid by using high-frequency alternating current (HFAC) are provided herein. In some embodiments, an apparatus for collecting and transmitting electrical power to an AC line operating at a line frequency may include a plurality of high frequency AC power sources; a high frequency AC bus, connected to each of the high frequency AC sources; and a line frequency converter, the input of which is connected to the high frequency AC bus and the output of which is connectable to the AC line.
Abstract:
Methods and apparatus to harvest renewable energy are provided herein. In some embodiments, a wind-powered aircraft (100) includes an airframe (110, 120, 130) suitable for untethered flight in an open airspace; and an airborne kinetic energy conversion system (200) attached to the airframe, the airborne kinetic energy conversion system comprising a turbine (202), a generator (204) connected to the turbine, and an electrical storage means (206) connected to the generator.
Abstract:
Embodiments of the present invention provide an alternative distributed airborne transportation system. In some embodiments, a method for distributed airborne transportation includes: providing an airborne vehicle with a wing and a wing span, having capacity to carry one or more of passengers or cargo; landing of the airborne vehicle near one or more of passengers or cargo and loading at least one of passengers or cargo; taking-off and determining a flight direction for the airborne vehicle; locating at least one other airborne vehicle, which has substantially the same flight direction; and joining at least one other airborne vehicle in flight formation and forming a fleet, in which airborne vehicles fly with the same speed and direction and in which adjacent airborne vehicles are separated by distance of less than 100 wing spans.
Abstract:
Embodiments of apparatus for providing distributed airborne wireless communications are provided herein. In some embodiments, a distributed communication payload includes: a payload control electronics module; an air-to-user link module to provide wireless communication links between airborne platforms and end-user devices; and an air-to-air link module to provide wireless communication links between airborne platforms; wherein the air-to-user and air-to-air link modules are subdivided into multiple sections that can be disposed on different airborne platforms.