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公开(公告)号：US20220189318A1
公开(公告)日：2022-06-16
申请号：US17457621
申请日：2021-12-03
Inventor： Jose Antonio L. Turalba
Abstract: A method, apparatus, system, and computer program product for operating an aerial imaging system. A first altitude of a first aircraft is determined, by a computer system, using first images of a key point generated by the first aircraft during a flight and stereo depth triangulation. The first altitude is compared with a second altitude of a second aircraft determined by the second aircraft, by the computer system, to form a comparison. An offset between the first altitude and the second altitude is determined, by the computer system, using the comparison. At least one of the first altitude or the second altitude is adjusted based on the offset. A plurality of images of a region from the first aircraft at the first altitude and from the second aircraft at the second altitude is obtained.
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公开(公告)号：US20220181931A1
公开(公告)日：2022-06-09
申请号：US17505461
申请日：2021-10-19
Inventor： Kang Li , Edward C. Lovelace , Wen Ouyang
Abstract: In an example, a rotor for an electric motor includes an inner hub, an outer rim, and a plurality of slats. Each slat of the plurality of slats has a first end at the inner hub and a second end at the outer rim. The rotor is configured to drive a plurality of propeller blades that provide force for an aerial vehicle. Additionally or alternatively, a rotor for an electric motor includes a housing that includes a first retaining structure and a second retaining structure that are configured to apply a force that is directed radially outward against a magnet to hold the magnet against the housing. The rotor is configured to drive a plurality of propeller blades that provide force for an aerial vehicle.
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公开(公告)号：US11258333B2
公开(公告)日：2022-02-22
申请号：US16524895
申请日：2019-07-29
Inventor： Daniel B. Cottrell
Abstract: Propulsors (e.g., an electric motor mechanically coupled to a rotor) are described that passively cool the electric motors via an airflow path through the electric motor and out of the rotors. One embodiment comprises a method of cooling an electric motor. The method comprises operating the electric motor of a propulsor for an aircraft to rotate a rotor of the propulsor, where the rotor has one or more air outlets, and where the electric motor has a housing that includes one or more air inlets in fluid communication with the one or more air inlets. The method further comprises generating, by rotating the rotor using the electric motor, an airflow through the electric motor from the one or more air inlets to the one or more air outlets to cool the electric motor.
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公开(公告)号：US20220035339A1
公开(公告)日：2022-02-03
申请号：US17148093
申请日：2021-01-13
Inventor： Jeffery Saunders , Benjamin C. Stringer
IPC: G05B19/4155 , G05D1/02
Abstract: A method is provided for causing one or more robots to execute a mission. The method includes determining a behavior tree in which the mission is modeled, and causing the one or more robots to execute the mission using the behavior tree and a leaf node library. The behavior tree is expressed as a directed tree of nodes including a switch node, a trigger node representing a selected task, and action nodes representing others of the tasks. The switch node is connected to the trigger node and the action nodes in a parent-child relationship in which the trigger node and the action nodes are children of the switch node. The trigger node is a first of the children that, when ticked by the switch node, returns an identifier of one of the action nodes to trigger the switch node to next tick the one of the action nodes.
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公开(公告)号：US20220012889A1
公开(公告)日：2022-01-13
申请号：US17328835
申请日：2021-05-24
Inventor： Benjamin Jafek , Samvruta Tumuluru
Abstract: A method includes identifying a first image. The method also includes determining a distribution based at least partially upon an intensity of each pixel in the first image. The method also includes determining that the distribution is bimodal. The method also includes dividing the first image to produce a second image in response to determining that the distribution is bimodal. The second image includes a plurality of first pixels and a plurality of second pixels. The method also includes determining that a horizon is defined between the plurality of first pixels and the plurality of second pixels.
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Patent Agency Ranking
公开(公告)号：US20220012886A1
公开(公告)日：2022-01-13
申请号：US17246129
申请日：2021-04-30
Inventor： Benjamin Jafek
Abstract: A method includes identifying a first image that is captured at a first time. The method also includes segmenting the first image into a plurality of first image portions. The method also includes identifying a second image that is captured at a second time. The method also includes segmenting the second image into a plurality of second image portions. The method also includes comparing one of the plurality of first image portions and a corresponding one of the plurality of second image portions. The method also includes determining a difference between the first image and the second image based at least partially upon the comparison. The method also includes transforming the first image into a transformed first image based at least partially upon the difference.
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公开(公告)号：US20210371251A1
公开(公告)日：2021-12-02
申请号：US16890333
申请日：2020-06-02
Inventor： Tony Shuo Tao
Abstract: Presented are corner attachment assemblies for cargo suspension systems, methods for making/using such assemblies, and aircraft equipped with underbody suspension systems using corner attachment assemblies for securing payload containers. Mounting assemblies are presented for securing objects to tether cables of suspension systems. A representative cargo mounting assembly includes a pair of shoulder clamps, each of which includes a flap that projects from a cup. Each shoulder clamp flap mechanically attaches, e.g., via a flap through-hole with a structurally reinforcing grommet, to a respective segment of a tether cable of a cargo suspension system. In addition, each shoulder clamp cup includes multiple noncoplanar, mutually adjoining contact surfaces. For instance, the cup may have a tetrahedral geometry with three mutually orthogonal, triangular-shaped contact surfaces. Each contact surface attaches, e.g., via a high-strength adhesive, to a respective surface of a corner of a cargo container.
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公开(公告)号：US20210362836A1
公开(公告)日：2021-11-25
申请号：US16878529
申请日：2020-05-19
Inventor： Robert William Parks
Abstract: A fan apparatus is disclosed, including a duct having an inlet opening, a fan mounted in the duct, and a plurality of louver devices positioned at the inlet opening. Each louver device has an open position and a closed position, and adjacent louver devices define a plurality of airflow channels. Each airflow channel has a curvature profile that changes as the louver devices move between open and closed positions.
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公开(公告)号：US20210295722A1
公开(公告)日：2021-09-23
申请号：US17340624
申请日：2021-06-07
Inventor： Timothy Dawson-Townsend
Abstract: An adaptive sense and avoid system for use with an aerial vehicle in an environment, the adaptive sense and avoid system comprising a processor, a plurality of sensors, an obstacle detection circuit, and an avoidance trajectory circuit. The processor may be operatively coupled with a flight controller and a memory device, wherein the memory device comprises one or more databases. The plurality of sensors generates sensor data reflecting a position of an obstacle in the environment. The obstacle detection circuit, which is operatively coupled to the processor and the plurality of sensors, may be configured to identify obstacles based at least in part on the sensor data and to generate obstacle information that reflects a best estimate of a position of the obstacle in the environment. The obstacle detection circuit is configured to weigh the sensor data as a function of the aerial vehicle's state and its environment. The avoidance trajectory circuit, which is operatively coupled to the obstacle detection circuit and the processor, may be configured to calculate trajectory data as a function of the obstacle information and information from the one or more databases. The obstacle detection circuit is configured to communicate the trajectory data to the flight controller.
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公开(公告)号：US20210295530A1
公开(公告)日：2021-09-23
申请号：US16825672
申请日：2020-03-20
Inventor： Igor Janjic , Douglas Famularo
Abstract: A method, apparatus, system for tracking an object, the method. A region of interest in an image pair is determined based on a bounding box determined for the object in the image pair. A mask based on the region of interest is applied to the image pair. The mask masks out portions of the image pair outside of the region of interest to form masked images. Intensity averaging is performed on the masked images to detect a set of pixels having a greatest intensity in the masked images. The set of pixels in the masked images is a set of common pixels in the masked images in which the set of common pixels is assumed to have a same location in both of the masked images. A three-dimensional position of the object is determined using the set of common pixels.
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