process-control中文什么意思

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1. The workshop on knowledge acquisition , modeling and management kaw 98 , banff , canada , 1998 , pp . 1 - 13 . 10 leveson n g , heimdahl m p e , hildreth h , reese j d . requirements specification for process - control systems . ieee trans
   实际上在软件工程早期， pannas提出著名的四变量模型方法就隐含了基于环境建模的思想，但局限于当时的软件技术，所能表达的问题比较简单，软件所作用的环境只能落实到简单的输入输出变量上，需求的表现也就比较简单。
2. To increase the rate of hitting the grade of liquid steel based on match between converter and continuos caster in capacity is considered as a promising way to improve process control and make production cost - efficient at steel making division . based on lgmis and the model of process - control of converters , the factors , which impact to the hit ratio of grade of liquid steel , have been investigated in details . the influence of quality and availability of primary raw materials , such as hot metal , semi - steel and mixture hot metal and semi - steel , on quality of liquid steel has investigated
   本文结合攀钢转炉炼钢工艺现状及全连铸对钢水质量的要求，从改进炼钢过程质量控制的角度，以转炉连铸机炉机匹配条件下提高钢种炼成率为目标，在现有lgmis系统和转炉炼钢过程静态控制模型的基础上，详细分析了攀钢转炉炼钢的钢种炼成率以及影响攀钢转炉炼钢的钢种炼成率的因素，分析了转炉炼钢主原料（铁水、半钢、混合铁水）的质量和物流条件对攀钢炼钢过程质量的影响，提出了通过控制转炉炼钢主原料质量和物流条件改进炼钢过程质量控制的策略。
3. On the basis of the analyses of the plant ' s present organizations and the characteristics of its production and management , the paper has raised the integrated production - management model and constructed its system , which is of three - component , including the production - management system , the manufacture - operation one , and the process - control one
   本文在分析攀钢提钒炼钢厂现行的组织结构和生产管理特点的基础上，提出了炼钢厂集成化生产管理模式并构建了该模式的体系结构。该体系结构采用生产管理系统/制造执行系统/过程控制系统的三层体系结构。
4. After researched fuzzy self - tuning pid parameters controller , a simulation experiment is shown in this paper , which demonstrated this controller is feasible . at last , a practical experiment is made with the efpt process - control equipment , the result of the experiment manifests : fuzzy self - tuning pid parameters controller integrate the advantage of pid controller and the fuzzy controller , it has the following character : small overshoot ; short transient time ; excellent control accuracy and no stabilizing error
   本文在设计的pid参数模糊自整定控制器的基础上进行了仿真实验，论证了这种控制器的可行性，最后在efpt过程实验装置上进行了模拟实验，实验结果表明pid参数模糊自整定控制器集合了pid控制器和智能权模糊控制器所具有的优点，能很好地控制锅炉液位的稳定，具有超调量小，过渡时间短，控制精度高，无稳态偏差的特点。
5. After the analytical structure research of fuzzy controller , this paper has a simulation experiment , and introduces the efpt process - control experiment system which is composed with efpt process - control equipment , data acquisition card pcl726 and pcl812pg , and industrial computer
   在解析结构研究的基础上进行了仿真实验，最后介绍由efpt过程控制实验装置、数据采集板卡pcl726和pcl812pg和研华工控机组成的efpt过程控制实验系统，用工业组态软件“组态王”制作控制平台，完成控制和显示画面。