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Hydraulic bending roller is a most basic and important method for shape control of strip. The rolled shape quality is decided by the setting value of bending farce in great part. This paper chooses five-stand hot tandem rolling mill in 1810 product line of Tangshan Iron and Steel Company as background, and deals primarily with the study of the bending force prediction model of the rolling unit. To...
The optimal operation trajectory of batch process is always determined by experienced workers according to rich experiences. Obviously it is time-consuming and laborious. In order to overcome this, a simple and fast mathematical method is given to obtain the optimal trajectory based on process neural network (PNN), which can extend the traditional artificial neural network (ANN) in the time domain...
To solve the disadvantage that BP neural network is liable to get into the local minimum, a novel learning algorithm that new chaos optimizer BP neural network is proposed. By the use of the properties of ergodicity and randomness of chaos algorithms, and combining global rough search and local elaborate search of chaotic variable, get the global optimization weight values of neural network. By the...
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