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1734 条记录 (耗时 0.035 秒)

    Solar power system and methods, use and computer readable medium relating to monitoring solar power production
    51.
    发明申请
    Solar power system and methods, use and computer readable medium relating to monitoring solar power production 审中-公开

    公开(公告)号：US20190393828A1

    公开(公告)日：2019-12-26

    申请号：US16107789

    申请日：2017-02-17

    申请人： SOLA SENSE OY

    发明人： Timo Huuhtanen ,  Markku Nieminen ,  Ville Tulonen

    IPC分类号： H02S20/32 ,  H02J3/38 ,  G01S3/786 ,  F24S50/20 ,  H02S50/10

    摘要： The invention relates to a solar power system and method of monitoring a solar power system. The system comprises one or more stationary solar energy modules supported by a support structure, at least one sensor connected to at least one of the stationary solar energy modules or to the support structure for providing measurement data, and a data transfer unit (16) functionally connected to the sensor for receiving the measurement data and adapted to transmit said measurement data to data analysis unit. According to the invention, the at least one sensor is an acceleration sensor adapted to measure acceleration of said at least one stationary solar energy module or the support structure as the measurement data. The invention allows for detecting mechanical failures caused by environmental factors, for example, in stationary solar power plants at an early stage.

    Recapture of remotely-tracked command guided vehicle into the tracker's field-of-view
    52.
    发明授权
    Recapture of remotely-tracked command guided vehicle into the tracker's field-of-view 有权

    公开(公告)号：US10429151B2

    公开(公告)日：2019-10-01

    申请号：US15621484

    申请日：2017-06-13

    申请人： Raytheon Company

    发明人： Brian D. Pautler

    IPC分类号： F41G7/30 ,  F41G7/32 ,  G05D1/10 ,  G01S3/786 ,  F41G7/26 ,  F41G7/22

    摘要： Upon loss of a valid track of a remotely-sensed command guided vehicle, a delta actuator command including an orthogonal component orthogonal to the straight-line path is generated as a next sample of a time-based alternating signal. The time-based delta actuator command is added to the nominal actuator command, which is “held” upon loss of valid track, to maneuver the vehicle in first and second orthogonal directions back and forth across the straight-line path to increase an area of vehicle motion relative to the tracker's FOV. This increases the likelihood of recapture of the vehicle given vehicle motion after track is broken. The penalty is a reduction in energy efficiency. In certain embodiments, this is accomplished without modification to guidance system hardware or the existing tracking valid or invalid guidance algorithms.

    Method and system for detecting that an object of interest has re-entered a field of view of an imaging device
    53.
    发明授权
    Method and system for detecting that an object of interest has re-entered a field of view of an imaging device 有权

    公开(公告)号：US10408912B2

    公开(公告)日：2019-09-10

    申请号：US15933601

    申请日：2018-03-23

    申请人： Xerox Corporation

    发明人： Jayant Kumar ,  Qun Li ,  Edgar A. Bernal ,  Raja Bala

    IPC分类号： G01S3/786 ,  G06T7/20 ,  G06K9/00 ,  G06K9/32

    摘要： A mobile electronic device processes a sequence of images to identify and re-identify an object of interest in the sequence. An image sensor of the device, receives a sequence of images. The device detects an object in a first image as well as positional parameters of the device that correspond to the object in the first image. The device determines a range of positional parameters within which the object may appear in a field of view of the device. When the device detects that the object of interest exited the field of view it subsequently uses motion sensor data to determine that the object of interest has likely re-entered the field of view, it will analyze the current frame to confirm that the object of interest has re-entered the field of view.

    Polar axis calibration system, electronic polar scope, polar axis calibration control device, and equatorial instrument and telescope comprising the same
    55.
    发明授权
    Polar axis calibration system, electronic polar scope, polar axis calibration control device, and equatorial instrument and telescope comprising the same 有权

    公开(公告)号：US10371785B2

    公开(公告)日：2019-08-06

    申请号：US15533028

    申请日：2015-12-07

    申请人： Light Speed Vision (Beijing) Co., Ltd.

    发明人： Hongyun Qiu

    IPC分类号： G01S3/786 ,  G02B23/16 ,  G02B7/02

    摘要： A polar axis calibration system (100) comprises: a polar scope (10), a polar axis calibration control device (20) and a display device (30). The polar scope comprises an optical lens (11) and an image sensor (12) for collecting constellation images (IM); the polar axis calibration control device receives the constellation images from the polar scope and determines the position (P1) of the rotation center of the polar axis and the celestial pole position (P2), the position of the rotation center of the polar axis means the position of the rotation center (R0) of the polar axis (510) of the equatorial instrument in the plane of the constellation image, and the celestial pole position means the position of the celestial pole in the plane of the constellation image; and the display device is coupled to the polar axis calibration control device and used to display the constellation image, the celestial pole position and the position of the rotation center of the polar axis. The present invention also provides a polar scope, a polar axis calibration control device, as well as an equatorial instrument (500) and an astronomical telescope comprising the aforesaid polar scope or polar axis calibration system. According to the present disclosure, it is possible to align the celestial pole position directly with the rotation center of the polar axis, thus improving the calibration accuracy. Furthermore, it is possible to lower the requirements for the installation accuracy of the polar scope.

    Actor-mounted motion capture camera
    56.
    发明授权
    Actor-mounted motion capture camera 有权

    公开(公告)号：US10368055B2

    公开(公告)日：2019-07-30

    申请号：US15134297

    申请日：2016-04-20

    申请人： TWO PIC MC LLC

    发明人： Doug Griffin

    IPC分类号： H04N13/398 ,  H04N13/254 ,  H04N13/243 ,  H04N13/275 ,  G06K9/00 ,  A45C11/16 ,  H04N7/18 ,  G01S3/786 ,  H04N5/232 ,  G06T7/246 ,  G06Q10/10

    摘要： The present invention relates to computer capture of object motion. More specifically, embodiments of the present invention relate to capturing of facial movement or performance of an actor. Embodiments of the present invention provide a head-mounted camera system that allows the movements of an actor's face to be captured separately from, but simultaneously with, the movements of the actor's body. In many embodiments, multiple cameras are provided mounted on a bracket for placement on the head of an actor. In some embodiments, the cameras record grayscale images of an actor's face, which has been marked with dots of makeup. In many embodiments, the cameras record images of an actor's face from at least two angles.

    Low profile multi-axis star sensing
    57.
    发明授权
    Low profile multi-axis star sensing 有权

    公开(公告)号：US10365346B1

    公开(公告)日：2019-07-30

    申请号：US15624462

    申请日：2017-06-15

    申请人： Kevin J. Romero

    发明人： Kevin J. Romero

    IPC分类号： G02B27/00 ,  G01S3/786 ,  G02B27/28 ,  G02B26/08

    摘要： A small, ultra-light-weight star tracker for space applications uses an out-of-field rejection filter to reduce the physical size and mass of the star tracker by effectively eliminating the need for a sun shade. The out-of-field rejection filter combines a converter for converting randomly polarized light to p-polarized light with an angular selectivity filter that can reject out-of-field p-polarized light. The underside of the angular selectivity filter can be used to reflect a calibrated light source into the optical path.