斗轮堆取料机智能润滑应用技术研究电路与系统专业论文.docxVIP

研究生优秀毕业论文 控制表经神经网络训练得出的优化的权值矩阵和阈值矩阵，以二维数 控制表经神经网络训练得出的优化的权值矩阵和阈值矩阵，以二维数 组的方式写入控制系统，优化润滑系统的控制方案算法并通过以 Simulink建模仿真计算出误差率验证准确性；再次，完成智能润滑控 制系统的硬件选型及设计等工作。采用Profibus总线通信方式作为分 布式控制系统的方案，独立开发设计智能从站，该智能从站采用意法 半导体STM32F103系列芯片作为其CPU，用德国VIPA公司VPC3+C 芯片作为通信协议转换。该分布式控制系统具有通信稳定、简单、集 成化等特点，支持润滑点的数据采集；最后，对控制系统进行优化， 完成实验做出总结和展望。 关键词：智能润滑，Profibus，STM32F103，VPC3+C 万方数据 ABSTRACTLubrication ABSTRACT Lubrication plays an important part in reducing the friction of the running surface of parts，hence，it reduces the wear,equipment failures and improves the efficiency of equipment．Many engineers and researchers have started lubrication research from early．Iniatiated in 1 8 86 by famous French scientist Reynolds，he established the foundaion of fluid lubrication，a lot of research had been made in field of lubrication technology both at home and abroad．Gradually，many well—known enterprises and research institutes have sprung up． At present，most of enterprises still use the traditional lubrication(i．e． artificial lubrication)，single—strand centralized lubrication，two—wire centralized 1ubrication and SO on．But these kinds of lubrication technologies have some defects．For example，raditional lubrication is inefficient，it need manual work，SO it’11 be more likely for workers to fail to add lubricating oil timely and accurately．As to single—strand centralized lubrication，it will be easily j ammd，hence，lead to breakdown of the whole system because of the distributor．Two—wire lubrication is too complex，it will be a waste of pipes．To overcome the shortages of the existing means，to meet the requirements of modem machinery for complex working conditions，multi—mechinery lubricated simultaneously and to improve the intelligence，automation，simplification，integration of lubrication system further．The research of present paper combined the former accomplishments and the modem technologies，designed a distributed control system based on bus communication，calculated the pipelines aiming at a typical lubricati