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Modeling and Application of Process Neural Network Based on Walsh Conversion
Author(s): 
Pages: 473-475,478
Year: Issue:  5
Journal: CONTROL ENGINEERING OF CHINA

Keyword:  过程神经网络Walsh变换数据预处理菌体浓度预测;
Abstract: 着重研究了基于离散数据的过程神经网络建模问题.考虑到来自现场的过程变量数据基本都是离散的采样数据,并且其中存在伪数据的情况,敌先对离散采样数据进行预处理,然后采用离散Walsh变换法对数据进行转换,即将网络输入函数和权函数在Walah基下映射为一组新的时变向量,将积分聚合运算简化为向量内积运算,实现离散采样数据对连续网络的直接输入.应用所建立的过程神经网络模型对发酵过程菌体浓度进行了预测,取得了较好的效果.
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