基于嵌入式控制系统的模拟和预测板材曲过程中的回弹
Jinhan Xu1, Jun Yan1, Yan Huang2
1College of Automation & College of Artificial Intelligence, Nanjing University of Posts and Telecommunications, Nanjing 210023, China.
Sensors (Basel, Switzerland)
|December 17, 2024
概括
本研究介绍了一种嵌入式软可编程逻辑控制器 (PLC),用于自动曲金属板. 该系统精确地纠正反弹错误,将曲精度提高到0.3度以内.
科学领域:
- 制造业 工程 制造工程
- 自动化和控制系统自动化和控制系统
- 材料科学 材料科学 材料科学
背景情况:
- 在板材曲中,对灵活,高效和适应性生产的需求日益增加,需要先进的自动化解决方案.
- 现有系统在精确控制曲过程方面面临着挑战,特别是在管理弹后错误方面.
- 对于小批量,多品种制造,能够实时调整的集成控制系统的需求至关重要.
研究的目的:
- 设计和开发一个嵌入式软可编程逻辑控制器 (PLC),用于增强板材曲自动化.
- 通过先进的控制策略,提高数控曲机械的精度和可靠性.
- 为了减轻和补偿板材曲过程中弹后错误.
主要方法:
- 使用Codesys平台和ARM Cortex-A55架构开发一个嵌入式软PLC.
- 实施EtherCAT通信协议,以与伺服驱动数控曲机器无集成.
- 使用任意拉格朗日-欧勒尔 (ALE) 适应性网格技术构建和完善有限元模拟模型.
- 部署一个增强的鱼优化算法-反向传播 (WOA-BP) 模型,结合拉丁式超立方体采样和神经网络,用于反弹错误预测和补偿.
主要成果:
- 开发的嵌入式软PLC有效地控制全电动伺服驱动的CNC曲机器.
- 用ALE技术增强的有限元模拟模型显著提高了弹回程的模拟精度.
- WOA-BP模型成功地预测和抵消了反弹错误,实现了高精度.
- 实验结果表明,最终的成形角度偏差被限制在0.3度之内.
结论:
- 拟议的嵌入式软PLC和先进的错误补偿方法提供了一种技术上可行的和有效的解决方案,用于板材曲自动化.
- 这种方法显著提高了曲系统的可靠性和精度,满足了适应性生产的需求.
- 该研究有助于通过智能控制和模拟来推动金属板行业的自动化制造.
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