软测量建模方法基于与质量相关的混合变量自编码器回归
Jingyun Xu1,2,3, Bin Yu1, Chenhui Mo1
1School of Engineering, Huzhou University, Huzhou 313000, China.
ACS omega
|October 13, 2025
概括
本研究介绍了一种用于工业过程的新型混合变量自编码回归 (MVAE-R). MVAE-R模型有效地从多式联运数据中提取与质量相关的特征,改进软传感器建模和过程监控.
科学领域:
- 工业过程监控 工业过程监控
- 软传感器建模软传感器建模
- 多模式数据分析数据分析多模式数据分析
背景情况:
- 传统的混合变量自动编码器 (MVAE) 在多式联络数据的特征提取方面表现出色.
- 无监督的MVAE模型可能包含不相关的信息,妨碍质量变量预测.
- 复杂的工业过程需要先进的方法来进行准确的监测和控制.
研究的目的:
- 为增强软传感器建模提出一种与质量相关的混合变量自编码回归 (MVAE-R).
- 通过分离质量独立和质量相关的子空间来改善特征提取.
- 为了有效地捕捉与工业过程中的目标质量变量相关的非线性特征.
主要方法:
- 通过将过程变量映射到质量独立和质量相关的子空间,开发了MVAE-R.
- 从过程变量和质量变量中提取了用于子空间映射的先前信息.
- 在每个模式下学习的潜在变量用于特征表示和质量预测.
主要成果:
- 成功分离了与质量相关和无关的潜在变量.
- 有效捕获的非线性特征与目标质量变量高度相关.
- 在数字和真实工业案例研究中表现出卓越的表现.
结论:
- 拟议的MVAE-R模型为复杂的多式联络工业过程中的软传感器建模提供了一种有效的方法.
- MVAE-R通过专注于与质量相关的信息来增强功能提取.
- 与现有方法相比,该方法显示出显著的有效性和优越性.
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