通过近红外光谱利用机器学习与化学测量技术相结合的近红外光谱技术,对水泥原粉氧化物的增强预测
Yongzhen Zhang1, Zhenfa Yang2, Yina Wang3
1School of Information Science and Engineering, Shandong Normal University, Jinan, China.
Frontiers in chemistry
|June 19, 2024
概括
近红外 (NIR) 光谱学与机器学习和化学测量相结合,可以准确预测水泥原粉中的氧化物含量. 这种方法通过提高分析效率和准确性来提高水泥制造业的质量控制.
科学领域:
- 分析化学 分析化学
- 材料科学 材料科学 材料科学
- 频谱学是一种光谱学.
背景情况:
- 精确的粉原料成分分析对于最终产品的质量至关重要.
- 传统的氧化物含量测定方法可能是耗时和劳动密集的.
- 近红外 (NIR) 光谱提供了一个快速而非破坏性的分析替代方案.
研究的目的:
- 研究与机器学习 (ML) 和化学计量集成的NIR光谱的有效性,用于预测水泥原粉中的氧化物含量.
- 为了比较各种波长选择技术在优化预测模型中的性能.
- 评估由粒子群优化算法优化的反向传播神经网络回归模型的有效性.
主要方法:
- 应用Savitzky-Golay卷积光滑方法来降低噪声.
- 使用多种波长选择技术进行全面的模型分析.
- 实现基于粒子群优化的反向传播神经网络,以优化特征波长.
- 使用R平方和根平均平方误差 (RMSE) 评估模型性能.
主要成果:
- 该研究表明,NIR光谱学与ML和化学测量相结合,可显著提高水泥原材料中氧化物含量 (例如碳酸,二氧化,氧化,氧化铁) 的预测精度.
- 优化波长选择和先进的建模技术,如PSO-BPNN,对于提高预测性能至关重要.
- 开发的模型在确定氧化物成分方面显示出高精度和可靠性.
结论:
- 与ML和化学测量相结合的NIR光谱为水泥原材料的质量控制提供了一种强大而高效的方法.
- 这些发现强调了复杂的建模和光谱分析中战略波长选择的重要性.
- 这种综合方法有潜力通过准确和快速的分析,彻底改变水泥行业的质量保证实践.
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