本发明涉及一种用于确定一个电枢，其与致动器相关联，其中，所述致动器包括具有至少一个励磁线圈的至少一个电磁体的位置时，所述第一接触表面上的电磁体和第二接触表面之间的衔铁移动，在当前的 和，任选地，所述一个励磁线圈的电压降至少确定，并且检测通过由感应电压的积分励磁线圈的磁通Φ，感应电压或者从电流通过励磁线圈在考虑从所述功率放大器的或操作条件计算 通过励磁线圈和跨过励磁线圈的电压降的电流被确定，并且通过一个地图或一个功能，或描绘的磁通Φ之间的关系，在电流I和行进位置，WI确定的行驶位置 约。

The invention relates to a method for determining the position of an armature, which is associated with an actuator, wherein the actuator comprises at least one electromagnet having at least one excitation coil, said armature between a first contact surface on the electromagnet and a second contact surface is moved and the current in and, optionally, the voltage drop at the at least one exciting coil is determined and the magnetic flux Φ is determined by the exciter coil by the integration of the induced voltage, the induced voltage is either calculated from the current through the excitation coil in consideration of the operating condition of the power amplifier or from the current through the exciting coil and the voltage drop across the exciting coil is determined and that the travel position is determined by a map or a function, the or depicting the relationship between the magnetic flux Φ, the current I and the travel position.