本文在概述人工神经网络特性、BP网络模型及BP算法的基础上 ,对BP算法改进、训练样本及网络结构等相关技术进行了总结。重点综述了人工神经网络技术在板料成形专家系统、成形力预测、参数识别、智能控制、故障诊断、缺陷分析、板料成形性能研究和模具优化设计等板料成形智能化相关技术中的应用 ,探讨了应用中存在的问题 ,并展望其发展趋势 This paper summarizes the characteristics of artificial neural network, BP network model and BP algorithm based on BP algorithm improvements, training samples and network structure and other related technologies are summarized. The paper mainly reviews the application of artificial neural network technology in sheet metal forming expert system, forming force prediction, parameter identification, intelligent control, fault diagnosis, defect analysis, sheet metal forming performance research and mold optimization design. , Discusses the problems in the application and prospects its development trend