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    • 7. 发明申请
    • Drift compensation for an impedimetric exhaust gas sensor by variable bias voltage
    • 通过可变偏置电压对阻抗式排气传感器进行漂移补偿
    • US20070056352A1
    • 2007-03-15
    • US10563569
    • 2004-06-30
    • Thomas BirkhoferAleksandar KnezevicRalf MuellerCarsten Plog
    • Thomas BirkhoferAleksandar KnezevicRalf MuellerCarsten Plog
    • G01M15/10
    • G01N33/0054G01N27/122G01N33/0006Y02A50/246
    • An exhaust gas sensor is proposed for detecting a gas component in the exhaust gas of an internal combustion engine, having a control and evaluation unit and a sensor unit with an electrode structure with a first terminal and a second terminal, and a method for operating an exhaust gas sensor to determine the concentration of a gas component in the exhaust gas of an internal combustion engine is also proposed. The control and evaluation unit applies a bias voltage to the first terminal and/or the second terminal of the electrode structure, it being possible for the level of the bias voltage to be set in dependence on a characteristic of the sensor and/or in dependence on a loading of the sensor. A bias voltage is applied to the first terminal and/or to the second terminal of the electrode structure, with the level of the bias voltage being set in dependence on a characteristic of the sensor and/or in dependence on a loading of the sensor.
    • 提出了一种废气传感器,用于检测具有控制和评估单元的内燃机的排气中的气体成分,以及具有带有第一端子和第二端子的电极结构的传感器单元,以及用于操作 还提出了用于确定内燃机的废气中的气体成分浓度的废气传感器。 控制和评估单元向电极结构的第一端子和/或第二端子施加偏置电压,可以根据传感器的特性和/或依赖于偏置电压的电平来设定偏置电压的电平 在传感器的装载。 偏置电压施加到电极结构的第一端子和/或第二端子,偏置电压的电平根据传感器的特性和/或依赖于传感器的负载来设定。