As a large inertia, large elasticity and variable load control system, all the currently control systems is not fitting the anchor chains tension tester.

对于锚链拉力试验机这种大惯量、大弹性、变刚度负载的系统，一般的控制系统都不太适合。

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Because the rolling system is complicated, nonlinear, and its load is variable, if the tension controller is designed basing on the tradition control theory, we would not achieve good control effect.

由于卷绕系统是一个复杂的、非线性系统，收卷机的卷径时刻在变化，转动惯量也难以计算。张力调节器如采用传统的控制理论进行设计，不一定能获得很好的控制效果。

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A tension fuzzy variable-structure control system was designed for constant tension of electric cable plastic wrapping automatic production process.

为保证电线加塑自动化生产过程中电线张力的恒定，设计了恒张力模糊变结构控制系统。

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