查询词典 variable-density system

Aituator load system ; optimal sliding mode variable structure control ; reaching law ; integral action ; feedforward control ; attenuation rate

舵机加载系统；最优滑模变结构控制；趋近律；积分策略；前馈控制；衰减度

The engineer designing a control system must be sure that the action taken affects the variable to be controlled, that is, that the action taken affects the measured value.

工程师在设计控制系统时，必须确保控制行为是可控的，即，控制行为所影响的变量是可测量的。

The improvements in the IAGA contained adding strengthen operator, improving evaluation index of premature, etc. Multi-phase homing project, making use of the flight properties of parafoil system in gliding and turning, was simple in control and facile in practice. Based on Frenet frame, the linear time-variable error equations of parafoil system were built.

基于Frenet坐标系推导和建立了翼伞系统线性时不变的误差方程，并运用&投影点&的思想来获得Frenet坐标系下偏差量的解析近似表达式，从而设计了用于翼伞系统航迹跟踪的传统PD控制器和增益调节型模糊PD控制器。

3Using the simulation results, according to the given system transition quality and stability, the corresponding relationship between controlling method of load-variable pump and brake release condition are gotten, which provides a method and theory gist for improving system secondary hoisting performance by reforming controlling software.

3利用仿真结果，在假设的系统过渡过程品质及稳定性要求下，给出了负载与变量泵控制方式、制动器开启条件之间的对应关系，为通过改进控制软件改善系统二次提升性能提供了方法和理论依据。

In this paper ,The inertia load disturbance is included in the double loop DC motor control system, Analysis of the load moment of inertia and The width of the linear area of nonlinear saturation relationship,use the method of "quasi-equivalent" modeling to model the nonlinear state space of the DLM with variable load,tested the speed response of the real system, and used an improved genetic algorithm to accurately identify the model's parameters.

本文将惯量负载的扰动纳入直流电机双闭环调速系统，分析了负载转动惯量与饱和非线性的线性域宽度λ的关系，运用&类等效&建模的方法，建立了变负载直流电机双闭环调速系统非线性状态空间模型。

The air conditioning system is divided into four sub-systems and the two-pipe chilling water system is of primary pump variable water flow type.

空调系统划分为 4个独立的子系统，空调水系统为一次泵变水量系统，双管制。

Based on an analysis of the safety elements in rail traffic dynamic system, which is a kind of hybrid system driven by time, space and events, this paper finds that in the mixed variable space, the safety of RTDS might be divided into several dynamic sub-regions.

在分析轨道交通动态系统安全相关要素的基础上，提出轨道交通动态系统是一类受时间、空间和事件多重驱动的混杂系统。

The dynamic characteristics of multi-variable system under parameter perturbations are analysed by System Sensitivity Theory in this paper.

本文运用系统敏灵度理论分析了多变量系统在参数摄动条件下的动态特性。

Phase AC arc furnace electrode up-down control system is a complex multiple variable coupling control system.

中文摘要：三相交流电弧炉电极升降控制系统是一个复杂的非线性多变量耦合控制系统。

Tenuiflora seedlings and the fine regulation mechanism of metabolism of cell membrane stability under salt stress, electrolyte leakage rate using relatively electrical conductivity method and malondialdehyde content using the thiobarbituric acid method relating to cell membrane stability were determined as the variable of physiological parameters that could reflect the status of physiological system or injury extent by stress, and the fluorescence parameters such as Fv/Fm, Fv/Fo, qP, Fv'/Fm',ΦDPⅡ, HDR and qNP were also determined by the method of fluorescence induction kinetics with FMS2- facilitative Fluorescence Monitoring System under normal condition and different degrees of NaCl stress (0.4%, 0.8%, 1.2%, 1.6%, 2%, 2.4%) after 7d.

星星草幼苗在不同浓度NaCl胁迫处理7d后，测定了叶绿索荧光参数、MDA含量和叶片电解质外渗率。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。