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    NAVIGATION SYSTEMS AND METHODS FOR AN AUTONOMOUS DEVICE
    1.
    发明申请
    NAVIGATION SYSTEMS AND METHODS FOR AN AUTONOMOUS DEVICE 审中-公开

    公开(公告)号：WO2023004118A1

    公开(公告)日：2023-01-26

    申请号：PCT/US2022/038018

    申请日：2022-07-22

    Applicant: MTD PRODUCTS INC

    Inventor： ABRAMSON, Shai ,  CHURAVY, Christopher ,  IKAR, Ido ,  RANAAN, Ayala

    IPC: G01S11/02

    Abstract: A system and method for proximity determination can include receiving an RF signal transmitted from a target location, the receiving performed by an antenna of an autonomous moving device, extracting received signal strength indicator (RSSI) values by processing the received RF signal, receiving distance measurements provided by a sensor associated with the autonomous moving device and storing the distance measurements in the memory of the autonomous device. The extracted RSSI values can be correlated the with the distance measurements to obtain a proximity value. A distance to the target location can be determined based on the proximity values.

    SENSOR SYSTEM AND A SENSING METHOD FOR AN AUTONOMOUS DEVICE
    2.
    发明申请
    SENSOR SYSTEM AND A SENSING METHOD FOR AN AUTONOMOUS DEVICE 审中-公开

    公开(公告)号：WO2022076213A1

    公开(公告)日：2022-04-14

    申请号：PCT/US2021/052516

    申请日：2021-09-29

    Applicant: MTD PRODUCTS INC

    Inventor： CHURAVY, Christopher ,  RAANAN, Ayala

    IPC: A01D34/00

    Abstract: An obstruction sensing system for an autonomous device (100) can include a chassis (102) including a drive system for movement relative to a working surface, a shell (104) resiliently mounted to the chassis (102) and movable relative to the chassis (102) in response to a force applied to the shell (104), a sensor assembly (200) comprising a single sensor (202) disposed on the chassis (102) and a magnet (204) disposed on and movable with the shell (104) in response to the force applied to the shell (104), wherein the sensor (202) is configured to output a three-axis magnetic flux vector in response to a movement of the magnet (204). A sensing method for an autonomous device (100) can include detecting a polarity change in the sensor (202) and in response determining that an obstruction has been detected, evaluating, by a processing component (116), a three-axis magnetic flux vector, and calculating at least one of a direction and a magnitude of a deflection based on the evaluation.

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