工程陶瓷单脉冲放电实验与参数优化毕业论文

本 科 毕 业 论 文题目：工程瓷单脉冲放电实验与参数优化学生：xx学号：xx专业班级：xxx指导老师：学习、2012 年 6 月 20 日工程瓷单脉冲放电实验与参数优化摘要本课题的目的在于通过对工程瓷单脉冲放电实验的讨论，找到加工工程瓷的最优方案，从而使得工程瓷的应用更加广泛。本课题将综合利用神经网络理论 MATLAB 的实现等的讨论成果，来完成对工程瓷单脉冲放电实验与参数优化的讨论。通过片电极单脉冲尖端放电对非导电瓷片的加工实验，成功地验证了电火花加工非导电瓷材料的可行性，并对其规律作了分析讨论，为系统的后续开发打下坚实的基础。利用神经网络的MATLAB 实现来讨论对工程瓷单脉冲放电实验的参数优化。试验讨论了脉冲宽度、放电电流和工作介质对瓷工件和正、负电极蚀除特性的影响关系，总结出了单脉冲放电坑深度和宽度与脉冲宽度和放电电流的经验公式，建立了放电能量在瓷工件和正、负电极之间的分配模型。在得到实验数据后利用 MATLAB 对实验结果进行讨论，从而可以得到参数优化的结果。关键词:电火花加工；电脉冲放电试验；神经网络；RBF 神经网络；BP 神经网络Engineering Ceramics single pulse discharge experiments and parameter optimizationABSTRACTThe purpose of this subject is through the study of engineering ceramic single-pulse discharge experiments, to find the optimal solution for machining of engineering ceramics, making more extensive application of engineering ceramics. The topic will be comprehensive utilization of the realization of neural network theory MATLAB and other research results, to complete the study of engineering ceramics single-pulse discharge experiments and parameter optimization. Pulse through the chip electrode single-point discharge of non-conductive ceramic chip processing experiments, successfully demonstrated the feasibility of non-conductive ceramic materials for EDM, and made an analysis of its law, to lay a solid foundation for the subsequent development of the system. MATLAB in the use of neural networks to study the optimization parameters Engineering C...