DETECTING A BOUNDARY LAYER USING A MACHINE LEARNING ALGORITHM

    公开(公告)号:US20240353251A1

    公开(公告)日:2024-10-24

    申请号:US18569274

    申请日:2022-05-19

    摘要: A measuring system for detecting a boundary layer on a product in a container includes a radar-based measuring device with an antenna or a measuring sensor for transmitting high-frequency signals toward the product and, after reflection at the product surface, for receiving as received signals; a signal generation unit that generates the high-frequency signal; and a receiving unit that to record the received signal. The measuring system further includes an evaluation unit in which a machine learning algorithm is formed to detect the boundary layer on the basis of the received signal. The implementation of a machine learning algorithm according to the invention avoids the problem that the boundary layer or the additive product layer in the received signal often does not generate a clearly assignable signal maximum, which known distance measurement methods according to the prior art require for its detection.

    Detection of event-based states during a fill level measurement

    公开(公告)号:US12111198B2

    公开(公告)日:2024-10-08

    申请号:US17278813

    申请日:2019-08-19

    IPC分类号: G01F23/284

    CPC分类号: G01F23/284

    摘要: Disclosed is a method for detecting an event-based state, such as foam formation or a working stirring mechanism in a container during a radar-based measurement of a fill level of a filler located in a container. The method includes: generating an analysis curve and detecting a specified characteristic value of the analysis curve within at least one specified sub-region of the measurement region. The characteristic value can be the amplitude of a local maximum or the area under the analysis curve for example. A change or a dispersion of the characteristic value is ascertained over proceeding measurement cycles. The fill level measuring device detects the event-based state if the change or the dispersion exceeds a corresponding threshold. Thus, the occurrence of different events in the container can be imparted to a system controller automatically and without additional measurement instruments.

    Calibration method for a TDR measurement

    公开(公告)号:US12061107B2

    公开(公告)日:2024-08-13

    申请号:US17377670

    申请日:2021-07-16

    IPC分类号: G01F23/284

    CPC分类号: G01F23/284

    摘要: A method of calibrating a TDR measurement comprising determining an echo profile of a calibration trace, and comparing a determined length of an actual physical length taking into account dimensional variables due to temperature fluctuations, then deriving and storing a calibration factor, and using that calibration factor to determine a system clock distance calibration, with the calibration factor being a ratio of the clock cycles to ensure that the determined electronic length is equal to the actual physical length. Once the system clock has been calibrated, measurement of the distance along the probe to the liquid height, plunger height, and so on, can then be determined with very high accuracy, using very low-cost electronic components.

    FIELD DEVICE SYSTEM AND METHOD OF CONFIGURING A FIELD DEVICE SYSTEM

    公开(公告)号:US20240247964A1

    公开(公告)日:2024-07-25

    申请号:US18409895

    申请日:2024-01-11

    IPC分类号: G01F23/284 H01Q1/22 H04W4/80

    CPC分类号: G01F23/284 H01Q1/225 H04W4/80

    摘要: A field device system configured to determine a process variable, the field device system comprising: a housing, the housing comprising a first NFC-circuit configured to receive and store information; a sensor module comprising a sensor and a second NFC-circuit configured to store configuration information of the sensor, the sensor module being configured to acquire a sensing signal indicative of a process variable value; and an electronics module arranged in the housing and comprising sensing circuitry configured to communicate with the sensor module to receive the sensing signal from the sensor module, the electronics module comprising a third NFC-circuit configured to read configuration information of the sensor module from the second NFC-circuit and to write configuration information of the sensor module and configuration information of the electronics module to the first NFC-circuit.

    METHOD FOR DETERMINING THE QUANTITY OF A FLUID IN A CONTAINER, AND APPARATUS THEREFOR

    公开(公告)号:US20240094039A1

    公开(公告)日:2024-03-21

    申请号:US18273274

    申请日:2022-01-28

    IPC分类号: G01F23/284 G01S7/41 G01S13/00

    摘要: The invention relates to a method for determining the quantity of a fluid in a container (B), having the steps:



    transmitting (S20s) a specified bit sequence via an HF signal to determine channel state information, wherein the signal is directed at the container (B) and wherein a quantity to be determined is located in the container (B),
    receiving (S20) a reflection or a transmission of the transmitted HF signal,
    evaluation of errors and/or error parameters,
    comparison of errors and/or error parameters with at least one training parameter.




    The invention furthermore relates to a method for determining the quantity of a fluid in a container (B), having the steps:



    transmitting (S20s) a first portion of an analog HF signal to determine channel state information, wherein the signal is directed at the container (B) and wherein a quantity to be determined is located in the container (B),
    receiving (S20) a reflection or a transmission of the transmitted HF signal,
    evaluation of errors and/or error parameters,
    comparison of errors and/or error parameters to at least one training parameter.




    The invention furthermore relates to a device for carrying out the method.