Method and Device for Detecting Potential Pinches

    公开(公告)号:US20220154511A1

    公开(公告)日:2022-05-19

    申请号:US17517564

    申请日:2021-11-02

    Abstract: A method for detecting potential pinches caused by at least one powered movable panel between a closed position and an open position, by: measuring a physical quantity at a plurality of panel positions when the panel is moved towards the open position so as to get a first profile, measuring said physical quantity in a reference position, when the panel is moved towards the closed position, and determining an offset value, determining a second profile by shifting the first profile of a shifting value, measuring said physical quantity in a repetitive manner when the panel is moved towards the closed position so as to get a third profile, and detecting a potential pinch if the third profile crosses the second profile.

    Method for determining a movement of a rotor

    公开(公告)号:US11342867B2

    公开(公告)日:2022-05-24

    申请号:US16839162

    申请日:2020-04-03

    Abstract: A method for determining a movement of a rotor of an electric motor, comprises supplying a drive signal to a drive coil of the electric motor, sensing a coil current of the drive coil, detecting current ripples of the sensed coil current caused by the rotor of the electric motor crossing ripple generating positions, inferring the movement of the rotor from the detected ripples, braking the motor by reducing the drive signal supplied to the drive coil from an initial signal value to zero according to a braking curve specifying a non-zero fall time during which the drive signal is reduced from the initial signal value to zero. The braking curve is adapted so that the rotor does not cross a ripple generating position after the drive signal has been reduced to zero.

    Pinch Detection Based on Motor Current Increase

    公开(公告)号:US20220158573A1

    公开(公告)日:2022-05-19

    申请号:US17523688

    申请日:2021-11-10

    Abstract: The pinch detector is suitable to detect a pinch at a closing member actuated by a motor equipped with a measuring circuit to measure a motor current. It includes a first portion that, when the motor starts closing the member, obtains a reference value of the motor current measured at the end of a blind time period having a predetermined duration from the moment the motor starts to close the member; a second portion that compares current values of the measured motor current to a threshold value depending on said reference value, during a detection time period, following the blind time period and preceding a steady state time period of the motor, in order to detect a pinch at the closing member based on a comparison result.

    Pinch detection based on motor current increase

    公开(公告)号:US11581829B2

    公开(公告)日:2023-02-14

    申请号:US17523688

    申请日:2021-11-10

    Abstract: The pinch detector is suitable to detect a pinch at a closing member actuated by a motor equipped with a measuring circuit to measure a motor current. It includes a first portion that, when the motor starts closing the member, obtains a reference value of the motor current measured at the end of a blind time period having a predetermined duration from the moment the motor starts to close the member; a second portion that compares current values of the measured motor current to a threshold value depending on said reference value, during a detection time period, following the blind time period and preceding a steady state time period of the motor, in order to detect a pinch at the closing member based on a comparison result.

    Pinch Detection Based on Estimated Pinch Force

    公开(公告)号:US20220158442A1

    公开(公告)日:2022-05-19

    申请号:US17513809

    申请日:2021-10-28

    Abstract: The pinch detector includes a torque estimator that estimates a motor torque from current values of physical quantities of the motor including a motor voltage, a motor current and a motor speed, using coefficients of an approximation function that calculates an energy conversion efficiency of the motor as a function of the motor torque; a converter that calculates a first estimation of a pinch force exerted by the opening and closing member on a pinched object by converting the estimated motor torque into an estimated pinch force using a torque to force conversion coefficient; a comparator that compares the estimated pinch force with a predetermined force limit in order to detect a pinch based on the comparison result.

    Powered Tailgate Opening System
    7.
    发明申请

    公开(公告)号:US20220127895A1

    公开(公告)日:2022-04-28

    申请号:US17494389

    申请日:2021-10-05

    Abstract: A powered tailgate opening system having object collision protection is disclosed for reducing the risk of collision with an object during opening of the tailgate. The opening system has an object distance sensor to sense a distance to an object during movement of the tailgate and an opening angle sensor for sensing an angle of opening of the tailgate. A memory stores limit distance values which vary according to different angles of opening of the tailgate and a controller controls a tailgate movement drive mechanism according to a determination of whether a sensed distance at a sensed angle of opening is less than the stored limit distance value for that sensed angle of opening.

    Method and device for detecting potential pinches

    公开(公告)号:US11898393B2

    公开(公告)日:2024-02-13

    申请号:US17517564

    申请日:2021-11-02

    CPC classification number: E05F15/40 E05Y2400/354 E05Y2400/54 E05Y2900/55

    Abstract: A method for detecting potential pinches caused by at least one powered movable panel between a closed position and an open position, by: measuring a physical quantity at a plurality of panel positions when the panel is moved towards the open position so as to get a first profile, measuring said physical quantity in a reference position, when the panel is moved towards the closed position, and determining an offset value, determining a second profile by shifting the first profile of a shifting value, measuring said physical quantity in a repetitive manner when the panel is moved towards the closed position so as to get a third profile, and detecting a potential pinch if the third profile crosses the second profile.

    Method and device for detecting potential pinches

    公开(公告)号:US11761254B2

    公开(公告)日:2023-09-19

    申请号:US17473439

    申请日:2021-09-13

    CPC classification number: E05F15/40 E05Y2400/35 E05Y2400/54 E05Y2900/55

    Abstract: A method for detecting potential pinches caused by at least one powered movable panel between a closed position and an open position, using a round including measuring a physical quantity, representative of a panel movement, when the panel is moved towards the closed position, determining if there is a lack of steadiness in said physical quantity relative to a previous round and, if not, starting a new round, determining if said lack of steadiness was already present during the previous round and, if not, storing at least one current parameter specific to the panel movement as a reference value, and starting a new round, and detecting a potential pinch if a second difference between the current parameter and the reference value is greater than or equal to a pinching threshold value, otherwise starting a new round.

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