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The implementation of oxygen content soft sensor system in CCR is concerned. 介绍了重整再生器氧含量软测量系统的具体实现方法。
The availability of algorithm in optimizing neural network is proved by applying NN in soft sensor modeling of 4-CBA measurement. 同时，算法在优化神经网络上的有效性也在4-CBA含量的软测量建模中得到了很好的证实。
The soft sensor model of ACD was obtained by training those samples using multiple neural networks. 对大量的样本进行模糊C聚类得到优化样本；
The method takes advantages of the minimum structure risk of SVM and the quickly globally optimizing ability of PSO for soft sensor modeling. 该方法利用支持向量机结构风险最小化原则和PSO算法快速全局优化的特点，用于软测量建模。
Soft sensor software based on artificial neural network (ANN) using BP or RBF structure is developed to calculate unmeasured variables online. 摘要采用BP和RBF网络，开发了人工神经网络软测量仪表软件，实现了不可测变量的在线观测。
Prevenient soft sensor, however, mostly taking static feedforward NNs as modeling tools, is not able to acquire expectant performance constantly. 而以前的软仪表大多以静态前向网络为建模工具。
Furthermore, an improved algorithm was advised to revise the parameters of the soft sensor model online to improve the precision of the model. 为解决软测量模型在线校正问题，提出模型在线校正的新算法，以提高软测量模型的测量精度；
The method is very simple because it faces data directly, and it was used in a online soft sensor of aromatics yield of catalytic reforming unit. 应用该方法对某芳烃厂的连续重整装置的芳烃收率软测量进行误差校正，取得了很好的效果。
The application of soft sensor and advanced process control technology in aromatics disproportionation unit is introduced. 介绍了芳烃歧化装置应用软测量和先进控制技术的情况。
A parameter selection and soft sensor modeling method based on Regression support vector is presented within Bayesian evidence framework. 提出了一种基于贝叶斯证据框架的回归型支持向量机的参数选择和软测量建模方法。
At last DE-LSSVM was presented for soft sensor modeling on testing the content of 4-carboxybenzaldehyde (4-CBA) in terephthalic acid, and the result was satisfied. 提出基于差分进化算法的最小二乘支持向量机应用于软测量建模，并将其应用于对苯二甲酸中对羧基苯甲醛含量测试的软测量建模中，获得了满意的结果。
A novel adapting partial least square regression (APLS R) approach was proposed to develop the naphtha dry point soft sensor of the prima ry distillation tower. 提出了一种具有强非线性表达能力的自适应偏最小二乘回归(APLSR)方法;并应用于初顶石脑油干点软测量模型建立.
Two soft sensors, ethane concentration in top product and ethylene concentration in bottom byproduct, were developed using artificial neural network combined characteristics of ethylene production. 本文结合乙烯生产过程的特点,利用神经网络研制开发了乙烯装置中乙烯精馏塔塔顶乙烷和塔釜乙烯浓度软测量系统,该软测量系统能够比较准确地反映乙烯精馏塔塔顶乙烷和塔釜乙烯浓度。
Model Control theory and applications Model-based predictive control and applications, Predictive functional control and applications, Nonlinear control theory and methods, Artificial intelligent control and soft sensor methods. 现代控制理论及应用模型预测控制及工程应用预测函数控制及应用非线性控制理论与方法人工智能控制与软测量方法。
A novel method is proposed in developing soft sensor based on the nonlinear principal components obtained from kernel principal component analysis (PCA) technique to deal with the nonlinear characteristics of data. 摘要提出了基于核函数主元分析(PCA)方法提取变量的特徵信息以有效处理非线性数据，并在此基础上进行软测量建模的方法。
Further, the previous analysis value of the naphtha dry point was regarded as a new indep endent variable for the soft sensor and the predicting correctness of the soft s ensor was enhanced remarkably. 同时提出将前一时刻初顶石脑油干点人工分析值引入作为模型的自变量;从而进一步提高了软测量模型的预测精度.
After some variables which are related to oversaturation are analyzed on the base of second parameter principle of modeling soft sensor, temperature and brix are choosed to model soft sensor of massecuite oversaturation. 本文在分析煮糖过程中与过饱和度相关诸多变量的基础上，依据软测量建模对二次变量的选择原则，温度、锤度被选为建立过饱和度软测量模型的二次变量。
Smoke sensors warned us of the fire. 烟雾探测器已向我们发出火警警报。
Based on this model,a novel combined control strategy based on methanol/isobutene ratio soft sensor model conversion was proposed and compared with the other traditional control scheme. 在过程模型基础上进行了过程控制方案的设计,提出了一种基于醇烯比软测量模型的产品质量／转化率联合控制方案,并通过仿真计算和其它常规控制方案进行了对比。
The fuzzy C-means and multiple neural networks were introduced into soft sensor model for anode-cathode-distance(ACD) because of the difficulty of online measuring ACD of aluminum reduction cells. 针对铝电解槽极距难以在线测量的特点,将模糊C聚类和多神经网络引入极距软测量模型中,提出一种基于模糊C聚类和多神经网络的铝电解槽实时极距软测量模型。