An Optimal Control Method for Sewage Treatment Process Based on Neural Network
A technology for sewage treatment and process optimization, applied in electrical program control, comprehensive factory control, comprehensive factory control, etc., can solve the problems of reducing control performance, model accuracy has a great influence on control performance, and slow global convergence speed
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[0065] The experiment in this paper is based on the data of the BSM1 model under sunny weather. The specific steps are as follows:
[0066] 1. Establish performance index prediction model
[0067] Among the established performance indicators, α 1 、α 2 Take them as 0.8 and 0.2 respectively. The input of the prediction model is the set value of dissolved oxygen concentration and nitrate nitrogen concentration, and the output is the performance index value. The number of internal neurons is 45, that is, the structure of the prediction model is 2-45- 1. Initialize the weight of the network and input the weight W of the internal state P in The dimension of is 45×2, and the connection weight W between internal states P The dimension of is 45×45, and the weight W from the internal state to the output P out The dimension of is 1×45, and the weight W output to the internal state P back The dimension of is 45×1, the sparsity SD is 5%, and the weight spectrum radius is 0.48.
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