This paper proposes a process integrity control algorithm for migrating workflow, it is based on the research of migrating workflow network and executing mode of task block. 在研究基于任务片的迁移工作流网络和执行模式的基础上,提出迁移工作流过程完整性控制算法。
Its process control means is analyzed and the flow block diagram of the special software for computer testing-controlling is designed; 分析了该试验台的过程控制方法,设计了计算机测控专用软件的模块流程。
Combined with project example, it introduces the construction preparation of the vapor pressure concrete building block, represents the masonry construction process, discusses the quality control points, and introduces the walling finishing construction at last, which will assure the building block walling construction quality. 结合工程实例,介绍了蒸压加气混凝土砌块的施工准备工作,阐述了其砌筑施工过程,并对其质量控制要点进行了论述,最后对墙体抹面施工进行了介绍,以确保砌块墙体的施工质量。
The application of PLC in process control of temperature and pressure of ignition furnace of sintering machine is introduced, the control system elaborated in detail and the system block diagram and PLC logic programming diagram presented. 介绍PLC在烧结厂的烧结机点火炉温度及炉膛压力控制方面的应用,对控制方案进行了详尽的阐述,给出了控制系统框图及PLC编程逻辑框图。
The technological process of a caustic calcined dolomite is briefly introduced. In the paper a new three levers control scheme based on the PROFIBUS-DP network is proposed. The block diagram of the control system and its software design is given. 本文介绍了某水泥厂将焙烧水泥熟料的回转窑系统改造为轻烧白云石系统的生产工艺流程,提出了基于PROFIBUS-DP网络的三级控制改造方案,给出了控制系统的结构框图和软件设计思想。
The process of Bayer high pressure digestion, the physical meaning of realizing RP control block diagram by computer internal module and the mathematical model in RP control are briefly introduced. 简单介绍了拜尔法高压溶出工艺流程、用计算机内部模块实现RP[1]控制框图的物理意义及RP控制中的数学模型。
The Optimization of Process Control Based on FF Function Block 基于FF功能块的过程控制系统优化
From the view of analyzing process system control block diagram, in order to escape from the limitation of previous manual operation of start-up process, the controlling regulation of the controller previous made is fixed, consisting of the tract of the operating variables and process controlled variables. 从控制角度分析过程系统控制方块图,得出摆脱以往开车过程的手动操作的局限性,必须确定控制器预先设定的控制规律,即操纵变量变化轨迹,以及过程受控变量的轨迹。
The control systems for production line of rubber hose with switchable knitting or winding carcass are described, and the control process, control calculation and PLC block are introduced. 论述了针织和缠绕增强层可互换生产的胶管生产线控制系统的功能及其实现方法,并介绍了全线控制过程、控制运算和可编程序控制器编程框图。