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Application Research of Improved Conjugate Grads BP Arithmetic
Author(s): LI Jun, CHANG Tao, DING Cui-jing
Pages: 111-
113,151
Year: 2005
Issue:
4
Journal: COMPUTER SIMULATION
Keyword: 高压加热器; 故障诊断; 共轭梯度;
Abstract: 该文针对梯度下降BP算法在网络训练时易陷入局部最小值及共轭梯度BP算法的适用范围窄的问题,将两者有机结合起来,应用于火电厂高压加热器系统故障诊断中.经仿真试验证明,这种结合能有效地避免局部极小值的问题,极大提高网络的训练速度.同时通过试验,搜寻到了判断高加系统故障诊断网络训练进入极值点的最优标准值.
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