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基于改进即时学习算法的动液面软测量建模

DOI: 10.3969/j.issn.1005-3026.2015.07.002, PP. 918-922

Keywords: 子空间,即时学习,模型更新,相似度,动液面

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Abstract:

油田动液面参数软测量预测应用中,软测量模型随生产的进行会逐步退化,导致预测结果偏差较大,无法在油田生产过程中加以使用.对此,提出采用基于子空间相似度的即时学习策略来对动液面预测模型进行自适应动态更新.通过对生产阶段数据进行子空间的相似度计算,提高建模样本选取的准确性.设计两个记忆参数改变以往即时学习策略模型的更新方法,在减少计算量的同时提高动液面的预测精度.与以往即时学习算法进行实验对比,结果表明,改进算法对油田动液面测量精度高,适应性强,符合油田生产标准,可以应用于油田实际生产.

References

[1]  Kadlec P,Grbic R,Gabrys B.Review of adaptation mechanisms for data-driven soft sensors[J].Computers and Chemical Engineering,2011,35(1):1-24.
[2]  Du W L,Guan Z Q,Qian F.The time series soft-sensor modeling based on Adaboost LS-SVM[C]//The 8th World Congress on Intelligent Control and Automation(WCICA).Jinan,2010:1491-1495.
[3]  Wang H Q,Li P,Gao F R,et al.Kernel classifier with adaptive structure and fixed memory for process diagnosis [J].AIChE Journal,2006,52(10):3515-3531.
[4]  刘毅,金福江,高增梁.时变过程在线辨识的即时递推核学习方法研究[J].自动化学报,2013,39(5):602-609.(Liu Yi,Jin Fu-jiang,Gao Zeng-liang.Online identification of time-varying processes using just-in-time recursive kernel learning approach[J].Acta Automatica Sinica,2013,39(5):602-609.)
[5]  葛志强,刘毅,宋执环,等.一种基于局部模型的非线性多工况过程检测方法[J].自动化学报,2008,34(7):792-797.(Ge Zhi-qiang,Liu Yi,Song Zhi-huan,et al.Local model based monitoring for nonlinear multiple mode process[J]. Acta Automatica Sinica ,2008,34(7):792-797.)
[6]  Cheng C,Chiu M S.A new data-based methodology for nonlinear process modeling[J].Chemical Engineering Science,2004,59(13):2801-2810.
[7]  Fujiwara K,Kano M,Hasebe S.Development of correlation-based pattern recognition algorithm and adaptive soft-sensor design[J].Control Engineering Practice,2010,20(4):371-378.
[8]  Wang L W,Wang X,Feng J F.Subspace distance analysis with application to adaptive Bayesian algorithm for face recognition[J].Pattern Recognition,2006,39(3):456-464.
[9]  Raich A,Cinar A.Statistical process monitoring and disturbance diagnosis in multivariable continuous processes[J].AIChE Journal,1994,42(4):995-1009.
[10]  罗健旭,邵惠鹤.应用多神经网络建立动态软测量模型[J].化工学报,2003,54(12):170-177.(Luo Jian-xu ,Shao Hui-he.Developing dynamic soft sensors using multiple neural networks[J].Journal of Chemical Industry and Engineering,2003,54(12):170-177.)

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