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The production period of the crystalline aluminium chloride is considerably long. However, the offline assay of AlCl3??6H2O content has large time delay. Thus soft sensor modeling is needed to analyze its content, and estimate the value to improve the product quality. The conventional back-propagation (BP) neural network training is easily trapped to the local minimum, To overcome this embarrassment,...
The improved algorithm of WNN based on BP was proposed in this paper. Theoretical analysis and simulation result show it avoids both the blindness of framework designs for BP neural networks and the problem of nonlinear optimizations, such as local optimization. So it can simplify the training of neural networks. It has better abilities in function learning and generalization. This algorithm was successfully...
The objective of the designer in tube rolling is to choose the process parameters that provide for acceptable tube diameter, wall thickness at the end of the rolling process. Nowadays, the empirical know-how of the designer is still decisive for the process parameters. Itpsilas often requires very costly trial-and-error, and it is complicated and time-consuming. The paper presents a unique reverse...
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