Abstract
According to the coating line of optical films at constant speed operation, the tension is stable. However, the tension would appear larger fluctuation in the process of deceleration. On basis of analyzing the relationship among accelerating speed, torque and tension in the coating line, the rolling system dynamics model is set up. Therefore in the process of rolling from constant speed to accelerate, it need to increase the dynamic torque compensation, and the accuracy of dynamic torque compensation determines the stability of the tension. Based on the dynamic torque compensation and real-time measurement of inertia, a real-time dynamic torque compensation control strategy is proposed based on tension. The practical results show that the proposed control strategy that make the coating line rolling in the process of accelerated tension fluctuation is suppressed, and verify the effectiveness of the proposed method.
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