使用基于优化的算法和级联前进神经网络,提高了回收聚合混凝土混凝土压力强度的预测准确性
Xiaoguang Zhou1, Jian Zhou2, Joy P Ohl3
1State Key Laboratory of Precision Blasting, Jianghan University, Wuhan, 430056, China; Hubei Key Laboratory of Blasting Engineering, Jianghan University, Wuhan, 430056, China.
Journal of environmental management
|October 30, 2024
概括
本研究介绍了一种基于精英单基因优化算法的级联前进神经网络 (ESGA-CFNN) 模型,以准确预测回收聚合混凝土 (RAC) 的压力强度. 该ESGA-CFNN模型展示了卓越的性能,增强了可持续的建筑实践.
科学领域:
- 材料科学与工程 材料科学与工程
- 土木工程 土木工程是指土木工程.
- 计算智能是一种计算智能.
背景情况:
- 可持续建筑需要准确预测回收聚合混凝土 (RAC) 的性能.
- 在RAC中预测压力强度 (CS) 的传统方法可能缺乏准确性和概括性.
- 优化算法可以提高对具体属性的预测模型的性能.
研究的目的:
- 开发和评估一个基于数据的模型,用于预测回收聚合混凝土 (RAC) 的压力强度 (CS).
- 为了比较基于精英单基因优化算法 (ESGA-CFNN) 的级联前进神经网络 (Cascade Forward Neural Network) 与其他基于优化的神经网络模型的性能.
- 评估开发的模型在RAC生产中的质量控制和混合设计优化的实际适用性.
主要方法:
- 开发ESGA-CFNN模型,使用272个RAC样本,主要参数为:水与水泥比率 (WCR),水吸收率 (WA),聚合密度和水与总材料比率 (WTMR).
- 与基于粒子优化的CFNN (PSO-CFNN) 和基于人工蜂群的CFNN (ABC-CFNN) 模型进行比较分析.
- 使用K折交叉验证进行模型开发,以防止过拟合,并使用6个RAC样本进行实际验证.
主要成果:
- 根据ESGA-CFNN模型,ESGA-CFNN模型以1.144的根-平均-平方误差 (RMSE),0.991的R-平方 (R2) 和1.000的a10指数实现了卓越的性能.
- 对比模型的表现略低:ABC-CFNN (RMSE=1.434,R2=0.987,a10-index=0.982) 和PSO-CFNN (RMSE=1.561,R2=0.984,a10-index=0.982) 的表现略低.
- 实际验证证实了拟议模型的现实应用性和有效性.
结论:
- 该ESGA-CFNN模型是一个非常有效的工具,用于预测RAC的压力强度,这对于质量控制至关重要.
- 与传统方法相比,这种新的混合方法提供了增强的预测准确性和概括能力.
- 这些发现支持优化RAC混合设计,以降低成本,可持续性和满足建筑标准.
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