30330-11351

30330-11351

30330-11351

30330-11351

30330-11351

30330-11351

30330-11351

  双速度环双马达直流驱动系统的原理框图如图2所示。由图2可以清楚地看到，双速度环双马达直流驱动系统中的两个电流环及两个速度环均是完全独立的。

        力矩偏置信号是从两个速度调节器的输出取出作为力矩偏置电路的输入，然后与双电流环、单速度环的双马达驱动系统一样，把力矩偏置电路的输出分别引入到两个电流环，给两个马达施加大小相等、方向相反的偏置力矩，以起到消除传动齿隙的作用。

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