查询词典 double loop

In this paper, it presents double loop controller with current feed-forward based on Buck DC-AC inverters.

针对Buck DC-AC逆变器，提出一种带电流前馈的双环控制器。

Based on this double-loop control scheme, very high quality steady-state grid current waveform and fast dynamic response can be obtained.

基于LCL滤波器的双环控制方案赋予了系统较高的稳态补偿精度和快速的动态响应。

The double-loop strong coupling problem was existed in the model of some power devices if they were transformed from abc coordinate system to dq coordinate system. So the entirely decoupling control is impracticability.

某些电力设备，在将其模型由abc坐标系变换到dq坐标系后，仍然存在d、q轴间的交叉耦合，无法实施完全解耦控制。

According to the robust control H2 optimal performance specification, the practically desired diagonal elements of the system transfer matrix are suggested, and in view of the coupling action existing between the two closed loops, dynamic detuning factors are introduced to design the optimal double-loop controllers, and their executable PI/PID forms are derived using a mathematical rational approximation approach.

根据鲁棒控制H2最优性能指标，提出实际期望实现的系统传函矩阵中的对角元。考虑到两个闭环之间的耦合作用，引入动态解调因子设计最优双回路控制器，采用数学有理逼近的方法得到其实际可执行的PI/PID形式。

TF-l350 type sugar segregator timing system adopt double loop direct current timing system and PID adjustor which the whole s\stem is made up of simulation component.

TF-1350型糖分离机调速系统采用双闭环直流调速，整个系统由模拟分离元件组成，采用PID调节器。

In addition, there is a double-loop fiber optic MODEM with self-healing function.

另外，还有一种光纤MODEM具有双环自愈功能。

The short-circuit current in some parts of Shanghai Power Grid that is the receiving end of East China Power Grid exceeds limits, which forces the structure and the operation modes of the 500 kV grid to make some adjustment, and the 500 kV double-loop-network is compelled to uncouple in certain conditions.

作为华东电网的受端的上海邵分厂站500 kV短路电流的超标，迫使500 kV电网结构或运行方式做出相应调整，500 kV双环网在一定情况下被迫解环。

Chapter 3, presents a technique for solving the connectivity problem of undirected double loop network G .

第三部分主要研究无向双环网G的直径以及连通性问题。

A new method, step-search-diameter ,is presented to calculate the diameter of undirected double-loop networks G.

提出新的无向双环网络G的直径求解法———分步法；并得到一种新的直观图———螺旋环，研究了螺旋环的性质；给出了无向双环网络的直径d的显式公式；给出了N，s都固定的直径算法；在N固定，且2≤r

And, it establishes the computer model with the Scott·Henseleit method, which analyses and optimizes the ventilation network and auto-creates the figures of the evading disaster and succoring disaster with the computer. The paper establishes the GM(1,1) gray forecast model, and forecasts the amount of gasemission of the laneway based on the history data, and then compartmentalizes the danger grade for the laneway. Utilizing the principle and method of cybernetics, the paper brings the feed-forward and feedback. controlling method on the hidden risk in the mine, namely, the double-loop model of forecasting and early- warning. Especially in the feed-forward forecasting, the paper adopts the one unit non-linear regression analysis and forecast method, and forecasts the hidden risk amount in the mine during some time, and compartmentalizes the hidden risk grade based on the history data.

论文中，利用斯考特·亨斯雷法建立计算机模型，对矿井通风系统进行解算和优化调节，并通过计算机自动生成避灾、救灾路线图；建立灰色GM(1，1)预测模型，对巷道瓦斯涌出量进行预测，进而对巷道中的瓦斯事故危险性进行危险等级划分；利用控制论的原理和方法，提出了煤矿通防隐患前馈——反馈控制方法，即预测、预警双环模型，采用一元非线性回归分析预测方法，对煤矿某一段时间内的隐患数量进行预测，并结合历史数据，对当前煤矿隐患排查处理状况划分等级，分别予以管理和控制。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。