串级系统

This paper presented a practical mathematical model of coordinated control object of supercritical pressure unit, adopting observer to estimate coal heat value, and design a synthetic coordinated control system with state feedback based on increment function observer-KDx, PID, intelligence control and British thermal unit.

该文给出超临界机组协调受控对象的一种实用数学模型，采用观测器预估燃煤的热值，设计一种基于增量式函数观测的状态反馈+串级PID+智能控制+热值补偿的综合型协调控制系统。

The result indicated that, the cascade control system improved the process dynamic characteristic.

结果表明，串级控制系统改善了过程的动态特性。

In this article will introduce combustion control system that satisfactorily used in two reheating furnaces in Pangang Hot Strip Mill, and explain the principle of cascade scale control with double crossing limit range detailedly.

本文介绍了在攀钢热轧板厂两座加热炉上成功使用的燃烧控制系统，对核心环节双交叉限幅串级比例控制原理予以了详细说明，作为成功范例，值得推广。

The problem of local parameter optimization in low synchronization bunch_rank speed-control system has been researched in this paper.

对低同步串级调速系统中局部参数最优化问题进行了分析研究。

It has very important significance to research the polymerize technology and design control system.

在分析聚合工艺基础上，提出了控制系统的设计方案和实现方法，重点讨论了聚合釜温度串级控制和多电机总线控制。

Polymerize technology control system cascade control fieldbus control

聚合工艺；控制系统；串级控制；总线控制

It is difficult to build an exact math model for the complexity of the combustion in the burning coal boiler and it is hard to perform control with traditional techniques. Aiming at all the above questions this paper designs a fuzzy - integrate controller with the fuzzy-logic control theroma, simulates the system with heat-load system and seriel fuzzy control and adopts self-searching optimum control over the transmiting wind circuit.

针对燃煤锅炉燃烧过程复杂，难用准确的数学模型来描述以及常规方法控制效果不理想等问题，在分析常规模糊控制器的基础上，结合模糊逻辑控制理论，设计了一个模糊积分控制器，并结合热负荷系统的串级模糊控制进行了仿真研究，同时在送风回路采用模糊自寻优控制。

A new design method is researched for main steam temperature control system of power plant boiler.A new method of cascade control system is presented by combining prediction control to conventional PID control.

对火电厂锅炉主汽温度控制系统进行了方案设计研究，将预测控制与常规的PID控制方案结合起来，提出了一种串级控制系统的新方法。

The cascade control system enhanced the system robustness.

串级控制系统提高了系统的鲁棒性。

Taking an example of optimizing PID parameters of cascade control system,the simulation results show that,comparing with simple genetic algorithm ,improve...

以过热汽温控制系统为例，分别采用了简单遗传算法和改进遗传算法，对串级控制系统的PID参数寻优，仿真结果表明改进后的遗传算法具有较强的执行效率和很好寻优效果。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。