In application of neural networks based short-term load forecasting model, the main problems are over many training samples, thus resulting long training time and slow convergence speed.
在神经网络负荷预测实际应用中,突出的问题是训练样本大、训练时间长、收敛速度慢。
People put forward radial basis function networks considering the conventional BP algorithm problems of slow convergence speed and easily getting into local dinky value.
对于传统BP算法存在的收敛速度慢和易陷入局部极小值问题,人们提出了径向基函数网络。
But if single neuron PID controller designed in terms of BPNN Theory is adopted, the control effect is not satisfactory because the learning rate and speed of convergence are slow.
使用常规pid控制很难满足手指精确位置控制的要求,而采用依据BPNN原理设计成的常规单神经元pid控制器又因学习速率低,收敛速度慢,控制效果不能令人满意。
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