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    • 3. 发明公开
    • LINEAR ACTUATOR AND METHOD FOR CONTROLLING THE SAME
    • LINEARER AKTUATOR UND DESSEN VERFAHREN ZUR STEUERUNG
    • EP3109718A1
    • 2016-12-28
    • EP16175608.5
    • 2016-06-22
    • LG Innotek Co., Ltd.
    • Lee, Jin Seob
    • G05B19/404
    • H02P8/36G05B19/404G05B2219/37094G05B2219/37124G05B2219/37277G05B2219/41099G05B2219/41206G05B2219/50043H02K7/06
    • The present invention provides a linear actuator including a motor; a linear driving unit coupled to the motor and including a magnet; a sensor unit configured to sense a change amount of magnetic flux depending on a position of the magnet and convert the sensed change amount of magnetic flux into measured voltage data; a data unit in which reference voltage data corresponding to the change amount of magnetic flux depending on a position of the magnet is stored; and a judging unit configured to compare the reference voltage data with the measured voltage data at the corresponding position of the magnet. The present invention is advantageous in that, by compensation-controlling a position of the motor, feedback control may be performed in the step motor to secure performance of the product to which the present invention is applied
    • 本发明提供了一种包括马达的线性致动器; 耦合到所述电动机并且包括磁体的线性驱动单元; 传感器单元,被配置为根据磁体的位置感测磁通量的变化量,并将检测到的磁通变化量转换成测量电压数据; 数据单元,其中存储与取决于磁体位置的磁通量的变化量对应的参考电压数据; 以及判断单元,被配置为将所述参考电压数据与所述磁体的相应位置处的所测量的电压数据进行比较。 本发明的优点在于,通过补偿控制电动机的位置,可以在步进电动机中进行反馈控制,以确保应用本发明的产品的性能