为了有效预测双机架炉卷轧机的轧制力,使热轧板带材生产具有很好的可操作性,采用粒子群算法(PSO)优化BP神经网络,建立了往复式双机架炉卷轧机轧制力预测的智能模型.以某钢厂热轧产品Q195实测数据作为试验样本,并将粒子群算法优化的BP神经网络模型和标准BP网络模型分别用于轧制力预测,结果表明PSO-BP神经网络模型在预报精度上明显优于标准BP网络模型,并且PSO-BP神经网络模型预测轧制力的误差率控制在10 %以内.
To predict the rolling force of the two-stand steckel mill efficiently and make the hot rolled plate and strip easy to produce,the intelligent model of rolling force prediction for the two-stand steckel mill was established with the BP neural network optimized by the particle swarm optimization (PSO) algorithm.The data of the hot rolled product Q195 steel produced at a steel plant were taken as the experimental samples, and the BP neural network model of particle swarm optimization and the standard BP neural network model were used for rolling force prediction.The results showed that the prediction accuracy of the PSO-BP neural network model was better than that of the standard BP network model obviously,and the error rate of the rolling force predicted by the PSO-BP neural network model was controlled within 10 %.
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