基于局部约束的不钢钻石板图案滚动高度控制策略的研究
Zezhou Xin1, Siyuan Qiu2, Chunliu Wang3
1School of Electrical and Control Engineering, North University of China, Taiyuan 030051, China.
Materials (Basel, Switzerland)
|March 13, 2025
概括
一种新的具有局部约束的多目标自适应滚动代方法 (MOARI-LC) 改善了不钢钻石板的生产. 这种先进的滚动控制显著提高了产品质量和尺寸精度.
科学领域:
- 材料科学与工程 材料科学与工程
- 工业过程控制 工业过程控制
- 机械工程 机械工程
背景情况:
- 不钢钻石板生产涉及复杂的工业控制,用于精确的负载分配和图案高度管理.
- 现有的线下负载分配方法存在局限性,包括依赖初始条件,复杂的参数调整和在约束条件下低于最佳性能.
研究的目的:
- 解决不钢滚动控制中传统离线方法的局限性.
- 提出和验证一种具有局部约束的多目标自适应滚动代方法 (MOARI-LC),以提高负载分配和产品质量.
主要方法:
- 开发了具有局部约束的多目标自适应滚动代方法 (MOARI-LC).
- 将多维非线性受约束优化问题简化为一维多阶段优化问题.
- 采用单个可变循环代,涉及减速率和滚动设备选择.
主要成果:
- 对于HBD-SUS304来说,MOARI-LC实现了0.20-0.22的图案高度与厚度比,超过了现有的方法 (FCRA-NC:0.19-0.24,DCRA-GC:0.15-0.25).
- 提高了测试产品的合格率超过25%.
- 在工业试验中,证明了对滚动力预测误差的控制,下游站的预测误差为5%,完成站的预测误差为3%.
结论:
- MOARI-LC 方法有效地简化了不钢制中的复杂负载分配问题.
- MOARI-LC显著提高了尺寸精度和产品合格率.
- 该方法的可扩展性和准确性通过广泛的工业生产实验来验证.
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