查询词典 cascade control

To the bad nonlinearity and coupling of the power station boiler superheated stean temperature,It is very difficult to gain excellent control with the traditional PID cascade method and the.

常规的电站锅炉汽温控制系统一般为串级PID系统，然而大型电站锅炉的动态特性有明显的分布参数特性、非线性及较强的藕合性，一般很难得到非常满意的控制结果。

This invention relates to a cascade multiple zero-type matrix rectifier, in which, a general input filter is connected between a net and a step-down transformer to get sine-wave input current, the step-down transformer includes n secondary windings with Yn spliced mid lines, the phase of all the three-phase windings is the same, the rectifier array is arrayed in a 1 row x n lines by n zero-matrix rectifier units, each line of which is connected with the seconday winding of the step-down transfornmer, and the outputs of the rectifier units are serial orderly to form a DC output, the general controller is responsible for regulating work of the entire system and connected with the branch controllers by signal cables to control the work of the rectifier units in the array.

本发明涉及一种级联多重化零式矩阵整流器，总输入滤波器连接在电网与降压变压器之间，滤波得到正弦波形的输入电流，降压变压器有n个Yn接带中性线的次级绕组，所有三相绕组相位相同，整流器阵列由n个零式矩阵整流器单元排成1列×n行的阵列，阵列中每一行与降压变压器的一个次级绕组对应连接，阵列中整流器单元的输出依次串联，形成一路直流输出，总控制器负责控制调节整个系统的工作，并通过信号电缆与各个分控制器联络，控制整流器阵列中每个整流器单元的工作。本发明由低压小功率的变换器串联得到幅值可调的高压直流电源，同时在电网侧得到位移为零的输入电流，具有网侧四象限运行能力等优点，适用于中高压直流供电领域。

The cascade prerotation regulator was used in the blower for the hot-blast stove in The No.2 Ironmaking Plant of Jinan Steel to overcome the narrow range of frequency control of motor speed and not suitable adjustment in low speed area.

济钢第二炼铁厂热风炉风机应用叶栅预旋调节装置克服了变频调速范围窄、不宜用于低转速区调节的缺点，既满足了生产的需求，还节电30%左右，节能效果显著。

The control mothed and strategy of the cascade inverters is been applied in the SMES system.

文章分析了实验的结果，并对实验与仿真结果的差异进行了分析。

Using aerodynamics theory of turbomachine with encircling control in blades, this paper expounded basic principle and design method for double array cascade GKJ fans which were made for the first time.

本文应用叶片机械绕流控制的气动理论，阐述了双列叶栅的基本工作原理与设计方法，介绍了首次研制的GKJ双列叶栅风机的综合性能试验曲线。

An adaptive controller for multi-input cascade nonlinear system with unmodelled terms is given, the control design is based on backstepping recursive design method.

对一类含有未知参数和未建模项的多输入非线性串级系统，基于backstepping递推设计方法，进行了非过参数化自适应控制设计，得到的闭环系统的所有信号是全局有界的，并且给出了第一子系统的状态界的一个估计。

The IC also contains Do pin terminal,enabling cascade connection,and therefore is suitable for automatic control in combination with a microcomputer.

该IC还包含DO引脚终端，使级联连接，因此是合适的结合自动控制与微机。

The system of the invention essentially comprises a frequency mixer, a cascade connection integral comb filter, a fraction-time interpolating device, a half-band filter, a signal shaping filter, a power detection module and a control interface.

系统主要包括混频器、级联积分梳状滤波器、分数倍内插器、半带滤波器、信号成形滤波器、功率检测模块以及控制接口。

Therefore, we take into account the KMM Feedforward Controller Design - Cascade system to control the boiler water level

因此我们考虑到KMM控制器的设计前馈——串级系统来控制锅炉水位

Sex determination is a choice between two development paths which provide a cascade about studying gene control pattern.

性别决定是在两种不同发育途径之间的选择，它提供了一个研究基因调控的模式系统。

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。