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    • 10. 发明授权
    • Système de commande de déplacement linéaire comprenant un moteur à courant continu
    • 包括直流电机的线性位移控制系统
    • EP0186596B1
    • 1990-07-18
    • EP85402601.0
    • 1985-12-23
    • VALEO VISION
    • Leleve, Joel
    • G05D3/18G05B11/16
    • G05D3/18
    • 1. System for controlling linear displacement, said system comprising a DC motor in a position servocontrol loop in which a position error signal is used to control the motor, wherein, on the basis of the error signal, a control voltage is generated having the form of a sequence of pulses having a fixed period, a variable duty ratio, and a duration dependent on the difference between the instantaneous position of the motor shaft and the set stop position thereof, characterized in that said system comprises means located is the DC motor control chain (3) ; pulse generator means (5), the pulses delivered by said pulse generator means having a mean value which is proportional to the instantaneous position of motor shaft and the set stop position thereof, said system further having is a body (60) ; a gear train (61) meshing with the motor shaft (62) and suitable for transmitting rotation of the motor shaft at a predetermined step-down ratio ; a sleeve (63) fixed to rotate with one of the gear wheels (613) in said gear train, said sleeve being rotatable about an axis (DELTA) which is parallel to the direction in which linear displacement is to be controlled and being fixed in translation along said direction relative to said body ; and a linear displacement control rod (64) screwed into said sleeve and driven in linear displacement by the sleeve when the sleeve (63) rotates.
    • 1.一种用于控制线性位移的系统,所述系统包括位置伺服控制环路中的直流电动机,其中位置误差信号用于控制电动机,其中,基于误差信号,产生具有形式 具有固定周期的脉冲序列,可变占空比和取决于电动机轴的瞬时位置与其设定停止位置之间的差的持续时间,其特征在于,所述系统包括位于所述直流电动机控制 链(3); 脉冲发生器装置(5),由所述脉冲发生器装置输送的脉冲具有与电动机轴的瞬时位置和其设定停止位置成比例的平均值,所述系统还具有主体(60); 与所述电动机轴(62)啮合并适于以预定的降压比传递所述电动机轴的旋转的齿轮系(61); 固定成与所述齿轮系中的一个齿轮(613)旋转的套筒(63),所述套筒可绕着平行于要被控制的直线位移方向并固定在其中的轴线(DELTA)旋转 沿所述方向相对于所述身体平移; 以及当所述套筒旋转时,所述线性位移控制杆(64)旋入所述套筒并被所述套筒线性位移地驱动。