Control method for positive yarn feeders
    2.
    发明公开
    Control method for positive yarn feeders 审中-公开
    Steuerverfahrenfür正Garnzuführer

    公开(公告)号:EP2053736A2

    公开(公告)日:2009-04-29

    申请号:EP08015758.9

    申请日:2008-09-08

    申请人: Elsy S.r.l.

    IPC分类号: H02P25/02 D01H1/244

    摘要: In order to control the speed of the rotor of a three-phase, synchronous motor of a sinusoidal type (M) driving a yarn-winding drum (R) for feeding a yarn (F) to a user machine (MF) under a desired tension, the motor is controlled instant-by-instant as a function of the instant position of the rotor (θrif), which is calculated by integrating a reference speed value (ωrif) and deriving from the latter an excitation angular parameter for the motor.

    摘要翻译: 为了控制正弦型(M)的三相同步电动机的转速,驱动用于将纱线(F)供给到用户机器(MF)的纱线卷绕筒(R)在期望的范围内 张力,马达是瞬时控制的,作为转子瞬时位置的函数(¸rif),它通过积分参考速度值(Érif)并从后者得到电动机的激励角参数来计算 。