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    MATRIX PRESSURE SENSOR WITH NEURAL NETWORK, AND CALIBRATION METHOD
    122.
    发明申请
    MATRIX PRESSURE SENSOR WITH NEURAL NETWORK, AND CALIBRATION METHOD 有权

    公开(公告)号：US20230026597A1

    公开(公告)日：2023-01-26

    申请号：US17872121

    申请日：2022-07-25

    申请人： COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

    发明人： Adrien BARDET ,  Franck VIAL ,  Saifeddine ALOUI

    IPC分类号： G01L5/00 ,  G01L1/18 ,  G01L1/26 ,  G01L1/14 ,  G06V10/82

    摘要： Matrix pressure sensor with neural network, and calibration method
    Matrix pressure sensor (1), comprising: a matrix (2) of tactile pixels (10) at least some of which have a reciprocal crosstalk effect between them, a neural network (30) for processing an image (IP_MES) of the response from the sensor and providing a corrected image (IP_COR), this network having been trained from an augmented database (BDAUG) comprising: real homogeneous pressing data measured by applying a homogeneous pressure (PR) to at least some of the pixels, better still to all of the pixels of the matrix, and additional partial pressing data produced through simulation by applying binary masks (MAS) to the real homogeneous pressing data, so as to simulate partial pressing without a crosstalk effect with the pixels situated outside partial pressing areas.

    BENCH FOR MECHANICAL CHARACTERISATION OF THIN OBJECTS
    125.
    发明申请
    BENCH FOR MECHANICAL CHARACTERISATION OF THIN OBJECTS 有权

    公开(公告)号：US20230019225A1

    公开(公告)日：2023-01-19

    申请号：US17787193

    申请日：2020-12-15

    申请人： COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

    发明人： Benoit MATHIEU ,  Marion CHANDESRIS ,  Olivier GILLIA ,  Come-Emmanuel LEYS ,  Nicolas MARIAGE

    IPC分类号： G01N3/10 ,  H01M10/42 ,  H01M10/44

    摘要： A bench for mechanical characterisation of a battery cell by applying a compression force includes a frame having a first compression plate, a movable element having a second compression plate opposite the first compression plate, a compression spring for applying a compression force to the cell between the first and second compression plates, a force sensor inserted between the movable element and the spring, and movement sensors measuring the movement between the first and second compression plates. The first compression plate includes a projecting compression zone with an area equal to a portion of interest of the cell and the frame includes a recess surrounding a thicker frame in the frame forming a pedestal supporting the first compression plate.

    METHOD FOR DETERMINING A PROBE SIGNAL, METHOD FOR CHECKING FOR AND DETECTING A FAULT IN AN ELECTROCHEMICAL SYSTEM EMPLOYING SUCH A SIGNAL
    126.
    发明申请
    METHOD FOR DETERMINING A PROBE SIGNAL, METHOD FOR CHECKING FOR AND DETECTING A FAULT IN AN ELECTROCHEMICAL SYSTEM EMPLOYING SUCH A SIGNAL 有权

    公开(公告)号：US20230014891A1

    公开(公告)日：2023-01-19

    申请号：US17783234

    申请日：2020-12-07

    申请人： COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

    发明人： Nicolas GUILLET ,  Vincent GAU

    IPC分类号： G01R31/392 ,  G01R31/382

    摘要： A method for determining a probe signal for acoustically interrogating an electrochemical system, the method including transmitting a first signal, called the calibration signal, including a wave train of multiple frequencies, the spectral density associated with each frequency being identical; receiving the response of the electrochemical system to the calibration signal; determining, on the basis of the received response and for each frequency of the calibration signal, a signal attenuation factor; determining, for each attenuation factor, a correction factor according to the attenuation factor so as to associate a correction factor with each frequency of the calibration signal; and determining the probe signal, the probe signal being obtained by multiplying the spectral density associated with each frequency of the calibration signal by the correction factor corresponding to the frequency in question.

    TRANSMITARRAY ANTENNA CELL
    129.
    发明申请
    TRANSMITARRAY ANTENNA CELL 有权

    公开(公告)号：US20230010547A1

    公开(公告)日：2023-01-12

    申请号：US17809049

    申请日：2022-06-27

    申请人： Commissariat a l'Energie atomique et aux Energies Alternatives

    发明人： Antonio Clemente

    IPC分类号： H01Q21/06 ,  H01Q5/328 ,  H01Q3/24 ,  H01Q9/04

    摘要： The present description concerns a polarization cell (109) comprising a rectangular conductive plane having an off-centered opening, a terminal of application of an input signal located inside of the opening, a first switching element coupling the terminal to a first region of the conductive plane located in the vicinity of a first corner of the conductive plane and a second switching element coupling the terminal to a second region of the conductive plane located in the vicinity of a second corner of the conductive plane, the first and second corners being coupled by a same side of the conductive plane.