文档介绍：摘要
联合站油水分离过程是将高含水原油处理成合格产品的重要过程。从控制理论的角度看,此过程具有多变量、干扰因素复杂、非线性、大滞后、压力和界面强耦合的特点。在本文中,现场总线技术对联合站油水分离问题加以解决,建立了联合站油水分离过程的动态模型,并对模型进行了简化处理,研究了输入量与输出量之间的关系以及对干扰的响应,现场总线构建的系统中。现场总线网络,设备连接配置、网络组态,后期使用RSLogix 500编程,RSView制作监控界面,使联合站对象能够满足基本PID控制要求,而且能够在人机界面上反映出联合站对象的运作情况。现场总线的系统的构建,从一定意义上解决了联合站油水分离过程中的多变量控制问题。
关键词联合站油水分离现场总线技术多变量控制
Abstract
The oil-water separation process in oil station is an important process to change highly moisture content crude into qualified products. Viewed from the angle of control theory, this process has many characteristics like variables, factors that interfere plex, nonlinear, time delay, and the strong coupling of pressure and interface. In this paper, oil-water separation in oil station is solved by the using of fieldbus technology, the dynamic model of the oil-water separation in oil station is established and simplified, the relationship between the input and output as well as the response to the disturbance are discussed, and all above are adopted in the system constructed by the fieldbus technology. Through the early constructing of the work equipment configuration work configuration are well known, then RSLogix 500 are used to edit the programme , and RSView is used to construct the control interface, so that the target of the oil station can meet the basic need of PID control, and the operating conditions of the target of the oil station can be reflected on the man-machine multi-variable control in the oil-water separation process is to some degree solved through the establishment of the mathematical model and the based on the Fieldbus.
Keywords oil station oil-water separation fieldbus technology onstruction of the system
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目录
摘要 I
Abstract II
第1章绪论 5
联合站油水分离控制系统国内外现状及发展趋势 5
联合站油水分离系统自动控制的意义 5
国内、外现状及发展趋势 5
联合站油水分离系统面临的问题 7
系统的主要特点 9
系统的可靠性 9
系统的灵活性 10
高度自动化 10
本次毕业设计的意义及需要解决的问题 10
论文内容编排 11
第2章控制系统基础理论 12
现场总线 12
现场总