基于粒子群算法优化BP神经网络的溶浸开采浸出率预测

卜斤革,陈建宏

Based on Particle Swarm Algorithm to Optimize the BP Neural Network of Leaching Rate Prediction in Leaching Mining

Jinge BU,Jianhong CHEN

表3 BP神经网络和PSO-BP神经网络模型预测结果统计

Table 3 Statistics of prediction results of BP neural network and PSO-BP neural network models

序号 实际值 BP神经网络预测 PSO-BP神经网络预测 预测值 相对误差 预测值 相对误差 1 80.83 79.45 -0.0171 80.45 -0.0047 2 93.55 92.70 -0.0093 93.21 -0.0036 3 78.06 78.21 0.0019 78.09 0.0038 4 66.02 66.92 0.0136 66.13 0.0017 5 83.75 83.05 -0.0083 83.40 -0.0042 6 76.75 74.98 -0.0231 75.91 -0.0109 7 78.06 78.87 0.0104 78.76 0.0089 8 85.26 85.30 0.0004 85.29 0.0004