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首页> 外文期刊>Fuzzy sets and systems >Fuzzy Looperless Tension Control For Hot Strip Rolling
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Fuzzy Looperless Tension Control For Hot Strip Rolling

机译：热轧带卷的模糊无环张力控制

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摘要

Metal rolling is a large-scale complex manufacturing process. Tension control in such a process plays an important role for assuring both high product quality and safe process operation. Although there have been many looper control technologies developed for finishing rolling processes, looperless interstand tension control of roughing and intermediate rolling mills has had much less progress because of complex tension dynamics and multiple stand interactions. Currently, human operators are still employed in many rolling mills to manually suppress looperless interstand tensions. Having recognized the complexity of the process and the effectiveness of human-based control, a fuzzy control method is proposed for regulating looperless interstand tension. A novel decoupling strategy is employed to handle stand interactions. The proposed fuzzy control system integrated with the decoupling strategy is implemented on a roughing rolling mill containing five rolling stands. A virtual reality-based testbed is introduced to evaluate the developed system and to experimentally compare the proposed control with the control of an experienced human operator. Test results demonstrate that the developed intelligent control is able to replace a human operator and further yield better system performance.
机译：金属轧制是大规模的复杂制造过程。在这样的过程中，张力控制对于确保高质量的产品和安全的过程操作起着重要的作用。尽管已经开发出许多用于精轧过程的活套控制技术，但是由于复杂的张力动态和多机架的相互作用，粗轧机和中间轧机的无活套机架间张力控制的进展要少得多。当前，在许多轧机中仍然雇用人工来手动抑制无套圈的机架间张力。在认识到过程的复杂性和基于人的控制的有效性之后，提出了一种模糊控制方法，用于调节无套圈的机架间张力。一种新颖的去耦策略用于处理展台互动。所提出的带有解耦策略的模糊控制系统是在包含五个轧机机架的粗轧机上实现的。引入了基于虚拟现实的测试平台，以评估开发的系统，并通过实验将建议的控件与经验丰富的操作员控件进行比较。测试结果表明，开发的智能控件能够代替人工操作员，并进一步提高系统性能。

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