利用可编程序控制器实现仪表回路的PID调节控制。
PID regulation in instrumentation circuit is realized by using program logic controller.
本文介绍了仪表回路试验的方法以及常见故障的处理措施，经实践检验，该方法和措施对仪表回路的试验工作具有参考价值。
This paper has introduced common testing methods as well as fault handling measures by practice, these methods and measures have reference value for the testing work of meter loop.
45分钟主回路的水位继续下降。控制室中的仪表误报水位在上升。
45 min the water level in the primary loop continues to drop. Gauges in the control room erroneously indicate that the water level is up.
回路过程控制器是分布控制系统中散度可达到一个回路的智能化仪表。具有可靠性高，功能强，灵活性好等特点。
Circuit process controller is an intelligent instrument witch divergence in distributed control system can reach one loop, with the property of high reliability, rich function and well flexibility.
结合模糊控制的基本原理具体介绍了模糊控制在单回路数字调节仪表上的实现方法、设计步骤以及软件流程。
Based on basic theory of fuzzy control, the realization, design steps and software flowchart of fuzzy control on single-loop digital regulating instrument are introduced in this paper.
监管仪表调试以及仪表控制回路最终测试验收。
Supervise commissioning of instrumentation and final loop acceptance testing.
化工控制回路中调节器作用方向判断是《化工自动化及仪表》课程中的教学难点。
Judgement of direction of the regulator function in a control circuit is a teaching jungle of the course Automation and Meters in Chemical industry.
对电气回路中因谐波造成的电力线路中性线过载和测量仪表出现较大误差的原因进行了分析，探讨了抑制谐波的措施。
The paper analyses the causes of overload of neutral line and great errors of measuring instrument by harmonics electrical line.
介绍了油田模拟井试验装置中聚合物溶液配比回路仪表的选型及其自动配比控制系统方案的设计。
Instrument selection and control system design for polymer aqua allocation system of oilfield well simulator is discussed.
本文介绍了该实验装置回路、电气、仪表及测控系统的设计原则和设计结果，以及第一阶段研究计划和内容。
The loop systems, main components and design parameters and its design characters are presented in the paper. At last, the commissioning r…
本文介绍了该实验装置回路、电气、仪表及测控系统的设计原则和设计结果，以及第一阶段研究计划和内容。
The loop systems, main components and design parameters and its design characters are presented in the paper. At last, the commissioning r…
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