SYSTEMS AND METHODS FOR DETERMINING VEHICLE LOCATIONS USING TRACK GEOMETRY

    公开(公告)号:US20230314550A1

    公开(公告)日:2023-10-05

    申请号:US18193580

    申请日:2023-03-30

    CPC classification number: G01S5/02695 G01S5/0264 G01S2205/01 G01S19/49

    Abstract: Described herein are techniques for determining motion characteristics of trains traveling along a train track. In some embodiments, a processor may determine an estimated position of a train using an observed position obtained using one or more UWB antennas and an observed position obtained using one or more GNSS receivers. In some embodiments, a processor may access information specifying a geometry of a train track and determining the position of a train along the train track using an observed position determined using one or more UWB antennas and/or GNSS receiver(s) and the information specifying the geometry of the train track. In some embodiments, a processor may determine estimated positions of a train using the geometry of the train track and at least one observation of the train obtained using one or more positioning devices and select the position of the train from among the estimated positions.

    SYSTEMS AND METHODS FOR ESTIMATING VEHICLE LOCATIONS

    公开(公告)号:US20230311961A1

    公开(公告)日:2023-10-05

    申请号:US18193575

    申请日:2023-03-30

    CPC classification number: B61L25/028 G01S19/47 G01S19/393 B61L25/026

    Abstract: Described herein are techniques for determining motion characteristics of trains traveling along a train track. In some embodiments, a processor may determine an estimated position of a train using an observed position obtained using one or more UWB antennas and an observed position obtained using one or more GNSS receivers. In some embodiments, a processor may access information specifying a geometry of a train track and determining the position of a train along the train track using an observed position determined using one or more UWB antennas and/or GNSS receiver(s) and the information specifying the geometry of the train track. In some embodiments, a processor may determine estimated positions of a train using the geometry of the train track and at least one observation of the train obtained using one or more positioning devices and select the position of the train from among the estimated positions.

    SYSTEMS AND METHODS FOR WORKER SAFETY

    公开(公告)号:US20210046960A1

    公开(公告)日:2021-02-18

    申请号:US16992929

    申请日:2020-08-13

    Abstract: A system, comprising: a plurality of wayside devices positioned along a train track, the plurality of wayside devices having known positions, each of the plurality of wayside devices comprising at least one first radio-frequency (RF) antenna; a work zone device positioned along the train track, the work zone device comprising at least one second RF antenna configured to transmit RF signals to and/or receive RF signals from the plurality of wayside devices; and at least one processor configured to determine a position of the work zone device using the known positions and using RF signals transmitted between the work zone device and the plurality of wayside devices.

    TECHNIQUES AND ASSOCIATED SYSTEMS AND METHODS FOR DETERMINING TRAIN MOTION CHARACTERISTICS

    公开(公告)号:US20210129881A1

    公开(公告)日:2021-05-06

    申请号:US17090661

    申请日:2020-11-05

    Abstract: Described herein are techniques for determining motion characteristics (e.g., position, velocity, acceleration, etc.) of one or more trains traveling along a train track, such that train control systems may have the information needed to safely operate the trains at higher speeds and with shorter separation between trains. In accordance with various embodiments, systems and methods described herein may be configured to determine a position, velocity, and/or acceleration of a train traveling along a train track. In some embodiments, the motion characteristics may be determined one or more radio frequency antennas onboard the train, such as in communication with one or more anchor nodes positioned adjacent the train track. Alternatively or additionally, in some embodiments motion characteristics may be determined using one or more one or more inertial measurement units (IMUs) onboard the train.

    TECHNIQUES AND ASSOCIATED SYSTEMS AND METHODS FOR DETERMINING TRAIN MOTION CHARACTERISTICS

    公开(公告)号:US20210129878A1

    公开(公告)日:2021-05-06

    申请号:US17090635

    申请日:2020-11-05

    Abstract: Described herein are techniques for determining motion characteristics (e.g., position, velocity, acceleration, etc.) of one or more trains traveling along a train track, such that train control systems may have the information needed to safely operate the trains at higher speeds and with shorter separation between trains. In accordance with various embodiments, systems and methods described herein may be configured to determine a position, velocity, and/or acceleration of a train traveling along a train track. In some embodiments, the motion characteristics may be determined one or more radio frequency antennas onboard the train, such as in communication with one or more anchor nodes positioned adjacent the train track. Alternatively or additionally, in some embodiments motion characteristics may be determined using one or more one or more inertial measurement units (IMUs) onboard the train.

    SYSTEMS AND METHODS FOR ESTIMATING VEHICLE LOCATIONS USING ULTRA WIDEBAND AND GLOBAL NAVIGATION SATELLITE SYSTEM SIGNALS

    公开(公告)号:US20230311962A1

    公开(公告)日:2023-10-05

    申请号:US18193584

    申请日:2023-03-30

    CPC classification number: B61L25/028 G01S19/49 B61L25/026

    Abstract: Described herein are techniques for determining motion characteristics of trains traveling along a train track. In some embodiments, a processor may determine an estimated position of a train using an observed position obtained using one or more UWB antennas and an observed position obtained using one or more GNSS receivers. In some embodiments, a processor may access information specifying a geometry of a train track and determining the position of a train along the train track using an observed position determined using one or more UWB antennas and/or GNSS receiver(s) and the information specifying the geometry of the train track. In some embodiments, a processor may determine estimated positions of a train using the geometry of the train track and at least one observation of the train obtained using one or more positioning devices and select the position of the train from among the estimated positions.

    SYSTEMS AND METHODS FOR WORKER SAFETY

    公开(公告)号:US20210046961A1

    公开(公告)日:2021-02-18

    申请号:US16992934

    申请日:2020-08-13

    Abstract: A system, comprising: a plurality of wayside devices positioned along a train track, the plurality of wayside devices having known positions, each of the plurality of wayside devices comprising at least one first radio-frequency (RF) antenna; a work zone device positioned along the train track, the work zone device comprising at least one second RF antenna configured to transmit RF signals to and/or receive RF signals from the plurality of wayside devices; and at least one processor configured to determine a position of the work zone device using the known positions and using RF signals transmitted between the work zone device and the plurality of wayside devices.

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