查询词典 control vector

The nonlinear plant is first linearised, the fuzzy basis function vector is then introduced to adaptively learn the upper bound of the system uncertainty vector,and its output is used as the parameters of the compansator in the sense that both the robustness and the asymptotic error convergence can be obtained for the closed loop nonlinear control system.

在该方法中，首先将非线性系统线性化，然后利用模糊基函数向量自适应学习系统不确定向量的上界，模糊基函数向量可作为补偿控制器的一个参数。在控制系统的设计过程中可充分保证非线性控制系统的鲁棒性和跟踪误差的渐进收敛性。

This thesis has established the mathematical model of n-phase PMSM after thorough analysis of PMSM structure and running mode, and then put forward the vector transform method, which is as the base of vector control.

建立完善的多相化永磁同步电动机及控制系统的数学模型和分析方法是系统研究和实现的重要技术保证。

Vector Control is based on motor unification principle, energy conversion and vector coordinate transformation theory.

矢量控制作为一种先进的控制策略，是在电机统一理论、机电能量转换和坐标变换理论的基础上发展起来的。

For aeronautical static converter then three-phase unbalanced load, made use of four-leg three-phase main circuit topology solution based on abc coordinates of the three-dimensional vector control, so that the switch to select the vector and duty more than a simple calculation, a significant reduction in the modulation of the complexity of the algorithm.

为解决航空静止变流器在不平衡负载情况下不能正常工作的问题，提出了三相四桥臂主电路拓扑解决方案，并采用基于abc 坐标系下的三维空间矢量调制，使开关矢量的选取和占空比的计算简单化，显著降低了调制算法的复杂性。

Most of the nine states affected had no public health entomologic or vector control resources, and none had susceptibility data for their vector mosquitoes.

9个受影响的洲大多没有公众卫生昆虫或媒介昆虫防治方面的资料，并且都没有媒介蚊虫的敏感性资料。

RESULTS: Biomaterial vector which were used to coated insulin could prevent insulin degradation by erepsin and enhance insulin stability. In addition, biomaterial vector benefited for uptake and transport of intestinal tract mucosa to insulin, target-control of drug release, enhancement of drug bioavailability, and establishment of insulin release velocity style for human physiological drive so as to realize sustained release of insulin.

结果：以生物材料作为载体包埋胰岛素，可避免胰岛素被胃肠蛋白酶降解，提高其在胃肠道内的稳定性，并有利于肠道黏膜对胰岛素的摄取和转运，在人体内递药过程中又能实现靶向控制药物释放，提高药物的生物利用度，满足人体生理需求的胰岛素的释放速率模式，实现了胰岛素的持续释放。

In terms of cost and reliability, the indirect vector control system , which estimates the position of the rotor flux vector from the machine parameters, is widely used.

出于成本和可靠性的考虑，间接矢量控制系统，即基于转子磁链位置估计的矢量控制系统在实际中得到了广泛的应用。

Based on the concept of space vector, an open loop detecting method for the fundamental negative and positive sequence components as well as the harmonic components is developed, which combining the conventional detecting method based on filters and the concept of space vector. This method can overcome the defaults of the conventional detecting method, and can meet the requirement of the asymmetrical control of HVDC-VSC.

运用自适应干扰对消原理和空间矢量的概念，提出了一种基波正序分量、基波负序分量及谐波分量的自适应检测方法，并进行了详细的理论分析，为研究HVDC-VSC的不对称运行控制奠定了基础。

A font is read at first to complete decoding; vector font is converted into lattice font, while non-vector font is converted into a standardized bitmap; moreover, the standardized bitmap obtained through decoding is stored as a quick compression lattice font file; then, lattice matrix transformation is realized through a word stock engine control module, a font information extraction module, a font carving frame core module and a font presentation module; finally, frame depiction is finished.

一种在终端上实现带边框字体的系统与方法，包括利用字体转换模块进行字体转换；即首先读取字体文件，进行解码；对于矢量字体，先转换为点阵字体，对于非矢量字体，转换为规范化的位图，把解码得到的规范化的位图，保存为快速压缩点阵字体文件；然后通过字库引擎控制模块，字体信息提取模块，字体雕刻边框核心模块和字体呈现模块实现点阵矩阵变换，刻画边框。

Pulse Width Modulation technique is one of the most important contents in the digital current control. Two PWM algorithms–Asymmetric Regular Sampling PWM and Space Vector PWM, is described. in detail, and then a fast algorithm of Space Vector PWM is got by combining the advantages of the two algorithm.

脉宽调制技术是数字电流控制中的核心内容，文中详细分析了非对称式规则采样法和空间矢量法两种PWM调制方法的原理和计算方法，在对这两种方法比较的基础上，介绍了一种空间矢量PWM的快速算法。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。