By improving PP melt rheological properties, adjusting draw-texturing process, controlling winding tension and oil content, the crimping property of PP - BCF yarn can be improved effectively.

通过改善聚丙烯熔体的流变性能、调整拉伸和变形工艺、控制卷绕张力和油剂加入量，可有效地提高丙纶bcf的卷曲性能。

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Adjusting filament tension by static friction during the course of winding, high tension of winding filament is controlled precisely with little wear and tear to it.

该系统采用静摩擦施力方式给行进中的缠绕纤维施加和调整张力，在对纤维损伤较小的情况下，实现了缠绕纤维的高张力高精度微机控制。

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This thesis discusses winding tension control based on Fuzzy Adjusting theory, gives the design of Fuzzy PID controller and the experimental results.

本文研究模糊自整定pid的交流驱动收卷张力控制，给出控制器的设计及实验结果。

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