Rongxiu Lu

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—Aiming at the complicated characteristic of rare earth extraction process and combining the material balance model, a multiple models modeling and control method is proposed. Based on the data collected in an industrial field, an improved subtractive clustering algorithm is employed to obtain steady operation points for the process; the recuresi-ve least(More)
In the process of rare earth cascade extraction, content of each component accumulates to different extent in the corresponding extraction tanks, and shows its characteristic color. When the production process conditions changed, the distribution of content of each component will be changed, and the result is the movement of characteristic color. It(More)
The problems of small sample, non-linearity, high dimensions and local minimal value can be well solved by support vector machine in soft-sensor modeling. In consideration of the online measurement of the component content in rare earth counter-current extraction separation process, two algorithms of SVM and LS_SVM with RBF kennel was applied to the(More)
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