控制理论(社会学)
张力(地质)
观察员(物理)
扭矩
控制器(灌溉)
加速度
传感器
直线(几何图形)
电流(流体)
工程类
计算机科学
控制工程
控制(管理)
电气工程
物理
数学
几何学
人工智能
生物
农学
经典力学
量子力学
热力学
力矩(物理)
作者
Seung-Ho Song,Seung-Ki Sul
出处
期刊:IEEE Transactions on Industry Applications
[Institute of Electrical and Electronics Engineers]
日期:2000-03-01
卷期号:36 (2): 633-639
被引量:82
摘要
The strip tension as well as the line speed should be controlled tightly for the quality of products and productivity of the continuous strip processing line. In this paper, a new tension control algorithm with tension observer is proposed using observed tension as a regulator feedback. The tension observer as based on the torque balance of a roller stand, including the acceleration torque. Using this estimated tension, a new tension controller can be constructed with faster dynamic response in case of line speed acceleration or deceleration. The proposed scheme needs no additional hardware because the inputs of observer, current and speed, are already being monitored by the motor drive system. As this scheme directly controls torque current of the motor, better control performance can be obtained even without the tension transducer. Through the simulations and experiments with the laboratory setup, the performance of conventional schemes and the proposed one are compared. The results show the effectiveness of the proposed tension controller.
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