基于FTA的连铸方坯内部裂纹质量分析建模与仿真

2011 IEEE 2nd International Conference on Computing, Control and Industrial Engineering Pub Date : 2011-09-01 DOI:10.1109/CCIENG.2011.6008033

Wenhong Liu, Zhi Xie, Hong Chen

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引用次数: 0

摘要

为了提高连铸坯的内部质量，提出了一种基于故障树分析的连铸坯质量分析与优化控制新方法。研究了内部裂纹形成机制的不同假设之间的相互关系，找出了内部裂纹形成的根本原因。根据故障树的特点和专业知识，建立了内部裂纹的故障树模型，并在此基础上引入vc++ 6.0软件，形成了可视化的故障树生成和分析系统。将该分析系统应用于某钢厂提供的Q235钢，定性分析/定量结果与在线统计结果基本一致，并提出了提高钢坯质量的最优控制方案。

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Modeling and simulation of quality analysis of internal cracks based on FTA in continuos casting billet

To improve the internal quality of the continuous casting billet, one new approach for quality analysis and optimum control is proposed based on fault tree analysis (FTA). The interrelation between different hypotheses of the formation mechanism of internal cracks is studied to find out the root causes. According to the features of FTA and expertise, a FTA model of internal cracks is developed, then the software VC++6.0 is introduced to form the visual-FTA system, which is available to generate and analyze the fault tree automatically. Applying the analysis system to the steel Q235 supplied by a steel-maker, the qualitative analysis/quantitative results basically conform to the on-line statistical ones, and then an optimum control scheme is proposed to improve the billet quality.

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2011 IEEE 2nd International Conference on Computing, Control and Industrial Engineering

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