For every time step, the two dimensional Laplace's equation is solved by a finite-element method, so the potential distribution over the foil is given.

每一个时间步长，用有限元方法解二维的拉普拉斯方程，求出箔上的电势分布。

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Simulation results show the superiority of the proposed method over the conventional fuzzy controller and the grey model predictive fuzzy controller with fix predictive step size.

通过仿真研究验证了该方法能明显地改善常规模糊控制和固定预测步长的灰色预测模糊控制效果。

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This paper introduces the PID control over the dyeing process. A step wise control method of improving PID parameters is also stated.

分析了染色工艺过程的PID控制算法，提出一种分段改进PID参数的控制方法。

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