查询词典 state vector

The zero voltage space vector is used to keep the steady state and reduce frequency of inverter.

并且，零电压矢量被引入以保证在一定的情况下保持当前的转矩和磁链状态，减少逆变器开关次数。

Predicted Model of Aggregation of Molecules in Chinese Herbal Drugs by Support Vector Machines;2. The aggregation behavior of phenylhydrazone and hemicyanine,in Z-type LB multilayers has been studied by absorption, steady state and time-resolved fluorescence spectroscopies.

利用吸收、稳态和时间分辨荧光方法研究了苯腙和半花菁分子在Z型LB多层膜中的聚集体性质，苯腙和半花菁吸收光谱的红移和兰移，说明它们分别以J和H型聚集体形式存在于LB腹中苯腙和半花菁LB膜的荧光发射带分别在560nm和584nm处，亦分别对于它们溶液的荧光谱显示出红移和兰移的特征。

According to the definition and the distribution of VSR's voltage space vector, the introduction of a rule-based SVPWM current control strategy, with non-fixed switching frequency and dual hysteresis loops, that obviously improves the performance of current control. Based on two kinds of control strategies of VSR under unbalanced grid condition, the introduction of a new VSR control strategy featuring undamped-oscillation that simplifies the controller structure and effectively improves VSR's performance under unbalanced grid condition. A systematic description of the state switching in trilogic PWM signal generation of threephase CSR by using the conversion between bilogic and trilogic switching functions.

作者在如下工作的基础上对PWM整流器的一些关键问题提出了自己的研究思路、观点和方法：根据PWM整流器网侧矢量关系，直观地描述了其四象限运行的基本原理及特征；定量分析了VSR、CSR的PWM换相过程及波形特征；引入等效变压器模型并详细分析了VSR、CSR基于d—q模型的动、静态特性；提出了满足四象限有功、无功运行指标时的VSR交流侧电感设计方法；并提出了依据控制系统跟随性和抗扰性性能指标设计VSR、CSR直流侧储能元件的参数计算方法；在研究了VSR电流控制策略基础上，提出了影响VSR电流控制的几个要素，并进行了定量分析；根据VSR空间电压矢量的定义及分布，提出了基于规则控制的不定频滞环空间矢量PWM电流控制策略，并由此提出了具有双滞环特性的不定频滞环优化SVPWM电流控制策略，有效地改进了滞环PWM电流控制性能。

Based on two kinds of control strategies of VSR under unbalanced grid condition,the introduction of a new VSR control strategy featuring undamped -oscillation that simplifies the controller structure and effectively improves VSR"s performance under unbalanced grid condition.· A systematic description of the state switching in trilogic PWM signal generation of three-phase CSR by using the conversion between bilogic and trilogic switching functions.· Referenced to the CSR"s trilogic PWM signal generation, an approach to achieve low-stress natural commutation of switching devices by reshuffling the vector composition sequence, resulting reduced switching loss.

在研究了两类电网不平衡时的VSR控制策略基础上，提出了一种新型的基于无阻尼振荡控制器的VSR不平衡控制策略，在简化控制结构的同时，有效地改善了电网不平衡时的VSR控制性能；·通过二、三值逻辑开关函数间的转换，系统地描述了三相CSR三值逻辑PWM信号发生中的状态切换；·结合三相CSR三值逻辑PWM信号发生规律，提出了通过调整矢量合成顺序而使功率管获得自然换相的低电压应力SVPWM控制，从而有效地降低了功率管的开关损耗。

X(k+1)\}=AX\}(1) where A is an n×n fuzzy matrix, the n-tuple fuzzy vector X(0) is a starting state, AX are products of fuzzy matrices in the sense of max-T and T is a triangular norm.

考察如下模糊离散动力系统X(k+1)=AX (1)其中A为n阶模糊方阵，系统初态X(0)为n维模糊向量，AX为max-T 意义下模糊矩阵的乘积， T为三角模。

By using Matlab, the performance of rectifiers vector control strategy is researched roundly and systemically including system stable and dynamic state.

利用Matlab软件对整流器矢量控制策略的稳态、抗扰动性能，尤其在提升机负载下的性能进行全面而系统的研究。

Then by using FEM to calculate the direct and quadrature axis magnetic fields, the steady-state reactances x〓 and x〓 are determined with definition method and vector potential method when μ〓 equals ∞ and voltage equals 0.1U〓 and U〓 respectively.

接下来，以有限元为工具，在直轴和交轴磁场下，用定义法和矢量位法，分别确定μ〓=∞、0.1U〓和U〓状态下的稳态电抗x〓和x〓以及在额定负载下确定x〓和x〓的饱和值，并研究了直、交轴间的耦合电抗以及用路的方法确定稳态电抗。

Support vector machine; two-wheeled self-balanced robot ; multisensory data fusion ; two-graded fusion ; running state recognition

支持向量机；两轮自平衡机器人；多传感器数据融合；两级融合；运行状态识别

There are four parts presented in this paper. In the first part, the B.F ironmaking process, B.F Expert System and the methods to predict the silicon content in molten iron are introduced. In the second part, the control parameters and state parameters of B.F ironmaking process are analyzed. In the third part, the Statistical Learning Theory and Support Vector Machine are introduced.

论文主要包括以下四个方面的内容：高炉炼铁、高炉专家系统和炉温预测的概述；高炉冶炼过程状态参数和控制参数的分析；统计学习理论和支持向量机方法；基于支持向量机的铁水硅含量数值预报模型和铁水硅含量多类别分类模型。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了