用最小方差准则来评价控制器的性能，仅需过程变量的常规闭环操作数据和过程的时间延迟特性。
It only needs routine closed-loop operating data and knowledge of the process time delay using minimum variance as a benchmark in controller performance assessment.
运用控制回路在闭环操作时的数据，采用相关辨识理论与技术，闭环辨识控制回路是否存在迟滞。
Using the operate data of closed control loops and the relevant theories and technique of identification to identify the existence of the valve stiction in the control loops.
经过在炼油厂的实际在线运行，表明该模型具有令人满意的精度，可用于稳定塔汽油蒸气压的闭环控制与优化操作。
The on-line application in Fujian Refinery shows that the model has a satisfactory accuracy, and it can be used for closed-loop control and optimal operation.
以建筑物集成管理系统为操作平台，在中央管理计算机上实现了各设定值的优化，由现场DDC完成闭环控制。
Using an intelligent building management system as the operation platform, realizes the optimization of set parameters in the central monitoring computer as well as the close loop control in DDC.
将石化企业的生产计划与装置的操作工艺作为两个等级进行优化集成，从而构成了一个带有信息反馈通道的闭环系统。
A closed loop system with information feedback consisted of production planning and process operation of unit was optimized and integrated as two ranks in petrochemical industry.
在此基础上提出了包括孤链、闭环、孤岛的修复方案，将遗传操作所产生的非辐射性网络修复成辐射性网络。
On this basis a restoration scheme including the isolated chain, closed loop and isolated nodes, restores the non-radial network generated by genetic operation to radial network.
该控制系统还包括供操作手训练用的闭环系统，并可兼作检测系统工作状态之用，其实现是借助于计算机。
This control system also consists of a closed loop system for training operators and for monitoring operation states with the help of computers.
摘要：分析了常见调度算法的特点，提出一种基于嵌入式实时操作系统的闭环反馈控制调度策略。
Absrtact: Analyses common characteristics of scheduling algorithms, and presents an embedded real - time operating system which is based on a closed - loop feedback control scheduling strategy.
本实用新型操作简易，系统闭环控制，可靠性高，衰减精度高。
The utility model has simple operation, system sealing ring controlling, high reliability and high attenuation preciseness.
案例研究表明两级闭环策略对实现石化企业生产计划优化与过程操作的集成是可行的、有效的。
From case study, it is indicated that the strategy is feasible and efficient in implementing integration of production planning optimization and process operations in petrochemical industry.
该吸附器具备气固两相接触面积大、床层气阻小、结构简单和操作方便等特点，非常适合于相对封闭环境内有害气体的清除。
The adsorbers had the advantages of big contact area of gas phase and solid phase, small bed layer resistance, simple structure, and easy operation. They were very suitable for rem...
该吸附器具备气固两相接触面积大、床层气阻小、结构简单和操作方便等特点，非常适合于相对封闭环境内有害气体的清除。
The adsorbers had the advantages of big contact area of gas phase and solid phase, small bed layer resistance, simple structure, and easy operation. They were very suitable for rem...
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