级联控制

Third-Party Logistic of Warehouse Management System Framework provides a series of reusable groupware, such as persistence layer which introduces Dynamic Value Object, Value List Hander and Command pattern. It encapsulates the details of accessing database and affords the interface of different persistence layer framework. Based on Asynchronous JavaScript and XML, we develops the client validity check engine, dynamic cascading menu and common, dynamic tree structure groupware, as well as a set of tag library which include query, pagination, cache and so on. It reduces the code redundancy and predigests the development of interface layer enormously.

第三方物流管理系统框架提供了一系列可复用组件，例如采用动态VO、值列表处理器以及命令模式的持久层组件，封装了数据库访问细节，并为不同的持久层框架提供调用接口；基于Ajax(Asynchronous JavaScript and XML)技术的客户端校验引擎、动态级联菜单以及通用动态树型结构组件，一系列查询、分页、缓存等标签库则减少了表示层的代码冗余，简化了表示层开发；基于SSL登录以及基于角色的访问控制的安全子系统则初步实现了数据安全传输和权限控制；此外基于Web服务的企业应用集成模型为今后系统集成、数据共享提供了有益探索。

In this paper, their character of common topology and control method will be introduced. Finally, the Common-Mode Voltage being restrained and Power being balanced of cascaded inverter are researched.

本文详细介绍了目前级联多电平变换器常用拓扑结构、控制方法及它们的特点，最后就级联逆变器的功率平衡及共模电压抑制等问题进行了简要分析探讨。

A new universal hybrid topology is brought forward. Two types multilevel inverter: equal DC voltage and DC voltage in geometric proportion is studied, besides this, simulation and experiments on SVPWM applied on cascaded H-bridge inverter is also studied.

提出了多电平逆变器的一种通用组合拓扑结构，针对这种拓扑结构重点，研究了直流侧电压相同及等比变化的两类级联拓扑以及级联H桥逆变器的矢量控制方法；并对级联H桥逆变器的矢量控制方法做了实验研究。

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。

Based on one-cycle control method, a novel control strategy for cascaded active power filter is proposed.

基于单周控制方法，作者提出了一种级联型有源电力滤波器的新型控制策略。

The operating principle of cascaded multilevel converter is analyzed and an experi-ment platform based on DSP control is developed in this paper.

分析了多单元级联逆变电路的工作原理，研制了一套基于DSP控制的级联多电平逆变器的实验平台。

In view of easy to use is one of the original design intentions of UPnP, the way of cascade control is designed to be transparent to final users.

考虑到易操作性是UPnP技术设计的初衷之一，本文提出的级联控制方法对最终用户是透明的。

Invariance control for nonlinear cascade systems can provide theoretical methods and practical support.

非线性级联系统的不变控制在理论上的研究正在为控制理论与工程应用提供理论和方法上的借鉴与支持。

At the last of the paper, the hardware and corresponding software design of the control system of SAPF based on the cascade H-bridge converter are discussed.

在本文的最后，介绍了基于级联H桥变流器的有源电力滤波器控制系统的硬件实现和相应的控制软件。

The cascade of FIR digital filter and PPSV is used to control chaos and hyperchaos in nonlinear continuous system.

利用数字FIR滤波器和正比于系统变量的脉冲反馈法的级联控制非线性连续系统中的混沌和超混沌。

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。