rediction capabilities could reflect generalization and adaptive abilities plex data which had nonlinear relationships with each other. And with different structures of works, transfer functions of neurons and learning rates, the optimum training parameters were obtained. Comparing BP works with improved BP algorithms, improved BP algorithms were better than BP algorithm, due to changing with increasing ratios of learning rates and weights properly. And in the condition of high temperatures and voltages, the improved BP algorithms were predicted to have better performance, this was because improved BP algorithms had the generalization ability for high values.РKeywords: BP works; Improved BP algorithms; Electrodialysis Separation percent; Flexible BP algorithm; Adaptive learning rate method
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