| 板坯动态二冷增量型PID控制研究 |
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| 引用本文： | 孙猛,王叶婷,徐磊,沈厚发.板坯动态二冷增量型PID控制研究[J].钢铁,2011,46(1):34-38. |
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| 作者姓名： | 孙猛 王叶婷 徐磊 沈厚发 |
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| 作者单位： | 1. 清华大学机械工程系,北京,100084
2. 大连重工·起重集团有限公司设计研究院连铸室,辽宁,大连,116013 |
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| 摘 要： | 为解决连铸拉速工况变化时因使用一级水表配水控制所引起的铸坯表面温度波动的问题,建立了考虑铸坯纵向导热的板坯传热瞬态模型.通过Gleeble试验获得钢的热塑性,制定了铸坯的目标温度.采用增量型PID控制方法开发了动态二冷控制软件Visual Cast.结果表明:与传统的一级水表相比,当拉速发生变化时VisualCast能...
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| 关 键 词： | 动态二冷 目标温度 热塑性 增量型PID控制 |
Dynamic Secondary Cooling of Continiuous Slab Casting by Incremental PID Control |
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| SUN Meng,WANG Ye-ting,XU Lei,SHEN Hou-fa.Dynamic Secondary Cooling of Continiuous Slab Casting by Incremental PID Control[J].Iron & Steel,2011,46(1):34-38. |
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| Authors: | SUN Meng WANG Ye-ting XU Lei SHEN Hou-fa |
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| Affiliation: | SUN Meng1,WANG Ye-ting2,XU Lei2,SHEN Hou-fa1(1.Department of Mechanical Engineering,Tsinghua University,Beijing 100084,China,2.Department of Continuous Casting,Design and Research Institute of DHI·DCW Group Co.,Dalian 116013,Liaoning,China) |
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| Abstract: | A transient heat transfer model with conduction along the casting direction was applied to slab casting in order to decrease the surface temperature fluctuation with the variation of process parameters such casting speed in the traditional water table control.And a dynamic secondary water cooling control system,Visual Cast,was developed by using the incremental PID control algorithm.The slab surface aim temperatures were determined according to the hot ductility of the steel measured by the Gleeble tensile ... |
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| Keywords: | dynamic secondary water cooling aim temperature hot ductility incremental PID control |
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