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    • 2. 发明授权
    • Current regulator for inductive loads
    • 用于感性负载的电流调节器
    • US4930040A
    • 1990-05-29
    • US270993
    • 1988-11-14
    • Jurgen BinarschJurgen BodeLutz DanneNorbert Lissel
    • Jurgen BinarschJurgen BodeLutz DanneNorbert Lissel
    • H01H47/32H02M3/158
    • H01H47/325H02M3/158
    • A current regulator for an inductive load especially for a coil of an electromagnetic solenoid valve. The current flow through the coil is regulated and compared by means of an operational amplifying nominal current value. The inductive load comparator is initially controlled by a first conductive diode. A second diode having a higher voltage rating than that of the first diode is rendered conductive whenever the nominal current value in an inductive coil decreases rapidly. The current regulator ensures that the magnetic energy in the inductive load remains unchanged when the nominal current value remains constant or changes in small amounts. When a rapid decrease of the coil current occurs, the second diode is rendered conductive.
    • 用于电感负载的电流调节器,特别是用于电磁电磁阀的线圈。 通过线圈的电流通过运算放大额定电流值进行调节和比较。 电感负载比较器最初由第一导电二极管控制。 每当电感线圈中的额定电流值急剧下降时,具有比第一二极管的额定电压更高的第二二极管变为导通。 电流调节器确保当额定电流值保持恒定或少量变化时,感性负载中的磁能保持不变。 当线圈电流急剧下降时,第二个二极管导通。
    • 3. 发明授权
    • Evaluation method for an inductive displacement sensor
    • 感应位移传感器的评估方法
    • US06604057B1
    • 2003-08-05
    • US09550083
    • 2000-04-14
    • Gerd EdenJürgen FrühNorbert LisselEike LustfeldAndreas Schäl
    • Gerd EdenJürgen FrühNorbert LisselEike LustfeldAndreas Schäl
    • G01D1800
    • G01D3/022G01D5/2013
    • An evaluation method for an inductive displacement sensor first temperature-compensates a measured sensor value, and then calibrates same. The temperature compensation is carried out iteratively, utilizing two temperature dependent functions. The first function is based on the temprature-dependency of the measured sensor value, and the second function is based on the dependency of the temperature coefficient of the sensor model used. For a clutch sensor application, a calibration line is defined by two calibration points, which represent a completely engaged state and a just disengaged state, respectively. Continuous measurement of the displacement of an engaged clutch indicates the wear status of the clutch, so that a warning can be transmitted to the driver when the clutch lining has reached a predetermined thickness.
    • 感应位移传感器的评估方法首先温度补偿测量的传感器值,然后进行校准。 利用两个温度依赖函数,迭代地进行温度补偿。 第一个功能是基于测量的传感器值的温度依赖性,第二个功能是基于所使用的传感器模型的温度系数的依赖性。 对于离合器传感器应用,校准线由两个校准点定义,分别表示完全接合状态和刚刚分离的状态。 接合离合器的位移的连续测量表示离合器的磨损状态,使得当离合器衬片达到预定厚度时可以向驾驶员传递警告。