查询词典 torsional oscillation

A new torsional oscillation observer was introduced which can guarantee the asymptotic convergence of tracking error if the system matrix is Hurwiz.

在此基础上改进了汽轮机轴系扭振观测器，保证当原系统矩阵满足赫尔维茨条件时观测器的状态估计误差渐进收敛。

A decrease in the effects of electrical switching on torsional oscillation s of shafts during fast valving is advantageous to fast valving.

在快关过程中减小电气切换操作对轴系扭振的影响，是保证快关汽门顺利进行的积极措施。

Magnetoelectricity gear method is a general torsional oscillation measurement method. It has disadvantages on less measure point and improved-needed dynamic characteristic.

现行的扭振测量方法以磁电式齿轮测量法为主，这种方法存在测点少，动态特性有待提高的缺点，就此本文提出了一种基于高速CCD摄像技术的汽轮发电机组轴系扭振测量的新方法。

At last, an application system was designed for CCD torsional oscillation measurement method.

最后，针对CCD扭振测量法的实际应用，设计了应用系统。

CCD torsional oscillation measurement method is based on image technology.

通过数据处理算法提取图像中的扭振信息。

The main work is as follows:(1)A professional program MANDISP2007 is developed to study the shaft torsional oscillation and fatigue loss problem.

本文将主要研究电力系统大扰动对汽轮发电机组轴系扭振的影响，主要包括：(1)开发研究机网扭振相互作用的专业软件MANDISP2007版程序。

The main research is how to control and long term monitor the shaft torsional oscillation. The measurement technique of torsional oscillation is an important link of torsional oscillation control and monitor system and a basement to carry out the corresponding method.

扭振研究的主要内容是如何实现对轴系扭振的控制及长期监测，而扭振的测量技术又是扭振控制和监测系统的重要环节，是扭振控制与监测手段付诸实践的基础。

With the development of the electric power industry, the capacitance of a turbo-generator has increasingly become larger, which risk the torsional oscillation in the flexible shaft system of large turbine-generators. The problem of shaft torsional oscillation has become the key technology need to be solved urgently in the development of large power system and unit.

随着电力工业的发展，汽轮发电机组的单机容量正日益大型化，导致机组轴系扭转振动的危害性日益突出，轴系扭振问题已成为发展大电网和大机组所急需解决的关键技术问题。

Due to the electro-mechanical coupling, the subsynchronous oscillation occurs in the system,which causes the oscillation of electric current, electric voltage and the torsional oscillation of the set of axes.

网机系统机电耦联失稳振荡的分岔与混沌研究项目，共发表学术论文30篇（期刊论文23篇，会议论文7篇），其中SCI收录3篇，EI收录9篇，ISTP收录3篇，使我们的研究大大超额完成任务。

This paper extends the analysis for axial-system torsional oscillation into the nonlinear domain,and the research for Hopf ramification phenomena in axial-system torsional oscillation has been made using the time-domain simulating results,it verified the analysis results of similar nonlinear differential equation describing the axial-system torsional oscillations.

文中把发电机轴系扭振的分析扩展到非线性领域，并对轴系扭振中的Hopf分歧现象进行了研究，利用时域仿真结果对从描述轴系扭振的近似非线性微分方程分析所得结果进行了验证。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。