The invention discloses a fuel cell vehicle hydrogen leakage monitoring method, system and device and a medium, and relates to the field of hydrogen leakage monitoring, and the method comprises the steps: obtaining real-time sensor data on a hydrogen pipeline; the sensor data comprises pressure data, temperature data and humidity data; performing preprocessing and first-order derivation on the sensor data by using an empirical mode decomposition method to obtain a sensor change rate value of the position of the sensor; the sensor change rate numerical value comprises a pressure change rate numerical value, a temperature change rate numerical value and a humidity change rate numerical value; calculating a change rate parameter value of the position of the sensor according to the sensor change rate value in the same time period; performing preliminary positioning according to the change rate parameter value of the position of the sensor to obtain a preliminary positioning result; and positioning by using a neural network model according to the change rate numerical value of the sensor to obtain a positioning result of the leakage point. The timeliness and reliability of hydrogen leakage monitoring are improved.

    本发明公开一种燃料电池汽车氢泄漏监测方法、系统、设备及介质,涉及氢泄漏监测领域,方法包括获取氢管路上实时的传感器数据;所述传感器数据包括压力数据、温度数据和湿度数据;利用经验模态分解方法对所述传感器数据进行预处理和一阶求导,得到传感器所在位置的传感器变化率数值;所述传感器变化率数值包括压力变化率数值、温度变化率数值和湿度变化率数值;根据同一时间段的传感器变化率数值计算传感器所在位置的变化率参数值;根据所述传感器所在位置的变化率参数值进行初步定位,得到初步定位结果;根据所述传感器变化率数值利用神经网络模型进行定位,得到泄漏点的定位结果。本发明提高氢泄漏监测的时效性和可靠性。


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    Title :

    Hydrogen leakage monitoring method, system and equipment for fuel cell vehicle and medium


    Additional title:

    一种燃料电池汽车氢泄漏监测方法、系统、设备及介质


    Contributors:
    LI JIANWEI (author) / LIU SENRU (author) / ZHANG ZHAOHUA (author) / TENG YUE (author) / LUO BIXIONG (author)

    Publication date :

    2024-05-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE , Anzeigen oder Aufzeichnen in Verbindung mit Messen allgemein



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