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    Aerial Robotic Vehicle Antenna Switching
    191.
    发明申请
    Aerial Robotic Vehicle Antenna Switching 审中-公开

    公开(公告)号：US20180288731A1

    公开(公告)日：2018-10-04

    申请号：US15686482

    申请日：2017-08-25

    Applicant: QUALCOMM Incorporated

    Inventor： Prashanth Akula ,  Edward Harrison Teague

    IPC: H04W64/00 ,  H04B7/185 ,  H01Q3/24

    CPC classification number: H04W64/006 ,  B64C2201/00 ,  H01Q1/28 ,  H01Q3/24 ,  H04B7/0608 ,  H04B7/0814 ,  H04B7/0825 ,  H04B7/18506 ,  H04W84/005

    Abstract: Various embodiments include methods for managing antennas on an aerial robotic vehicle used for wireless communications. A processor may receive position information identifying a location of the aerial robotic vehicle, determine whether to switch from using a first antenna to using a second antenna for active communications of the aerial robotic vehicle based on the position information, and switch active communications from using the first antenna to using the second antenna in response to determining that active communications of the aerial robotic vehicle should switch from using the first antenna to using the second antenna. The processor may make the determination using information from a database, which may correlate aerial robotic vehicle position to whether to use a particular one of the first and second antennas for active communications. The determination may also be based on a comparison of signal qualities obtained by both antennas.

    Gimbaled Universal Drone Controller
    194.
    发明申请
    Gimbaled Universal Drone Controller 审中-公开

    公开(公告)号：US20180024570A1

    公开(公告)日：2018-01-25

    申请号：US15219116

    申请日：2016-07-25

    Applicant: QUALCOMM Incorporated

    Inventor： Donald Hutson

    IPC: G05D1/10 ,  B64C39/02 ,  G01C21/18 ,  B64D47/08

    CPC classification number: G05D1/101 ,  B64C39/024 ,  B64C2201/00 ,  B64C2201/108 ,  B64C2201/141 ,  B64C2201/146 ,  B64D47/08 ,  G01C21/18

    Abstract: Various embodiments are disclosed of a device for use on an unmanned aerial vehicle (drone) including two or more gimbals, a gimbal processor, an inertial measurement unit, and a communication connection. The two or more gimbals are pivotally coupled to rotate orthogonally relative to each other. An inner gimbal of the two or more gimbals may support an inner platform for receiving components thereon. An outer gimbal of the two or more gimbals may be pivotally coupled to the drone. The gimbal processor is mounted on the inner platform, wherein the gimbal processor is configured to control pivotal movement of the two or more gimbals. The inertial measurement unit may be fixed relative to the inner platform and coupled to the gimbal processor. The communication connection may be coupled to the gimbal processor and configured to exchange signals with the drone for controlling operations.

    SYSTEM AND METHOD FOR ULTRASOUND DISTANCE DETECTION
    200.
    发明申请
    SYSTEM AND METHOD FOR ULTRASOUND DISTANCE DETECTION 审中-公开
    用于超声距离检测的系统和方法

    公开(公告)号：US20170059704A1

    公开(公告)日：2017-03-02

    申请号：US15169449

    申请日：2016-05-31

    Applicant: SZ DJI TECHNOLOGY CO., LTD.

    Inventor： Jiebin XIE ,  Litian ZHANG ,  Wei REN

    IPC: G01S15/08 ,  G01S15/93

    CPC classification number: G01S15/08 ,  B64C2201/00 ,  B64C2201/02 ,  G01S15/10 ,  G01S15/93

    Abstract: A system for using ultrasound to detect distance on mobile platform and methods for making and using same. The system includes an ultrasound transceiver that can transmit and/or receive ultrasound waves and determine distance from an object of interest using a time-of-flight of the ultrasound wave. The system is adapted to reduce noise by using a dynamic model of the mobile platform to set constraints on the possible location of a received ultrasound echo. A linear, constant-speed dynamic model can be used to set constraints. The system can further reduce noise by packetizing a received ultrasound waveform and filtering out noise according to height and width of the packets. The system likewise can remove dead zones in the ultrasound transceiver by subtracting an aftershock waveform from the received waveform. The systems and methods are suitable for ultrasound distance detection on any type of mobile platform, including unmanned aerial vehicles.

    Abstract translation: 使用超声波检测移动平台上的距离的系统及其制作和使用方法。 该系统包括可以使用超声波的飞行时间来发射和/或接收超声波并确定与感兴趣对象的距离的超声收发器。 该系统适于通过使用移动平台的动态模型来减少噪声，以对接收到的超声回波的可能位置设置约束。 线性，恒速动态模型可用于设置约束。 该系统可以通过分组接收到的超声波并且根据分组的高度和宽度滤除噪声来进一步降低噪声。 该系统同样可以通过从接收波形中减去余震波形来去除超声波收发器中的死区。 该系统和方法适用于任何类型的移动平台（包括无人机）上的超声距离检测。

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