轴系

This paper discusses the procedures of verifying calculation of flexural vibration of ship shafting using ANSYS.

摘 要：本文利用大型商用有限元计算软件ANSYS，进行船舶轴系的振动校合计算。

The dynamic optimum design of shafting is carried out through utilizing the optimum design theory and selecting genetic algorithms.

最后运用优化设计理论并选择遗传算法对轴系进行了动态优化设计。

Then a mixed-programmed method based on MATLAB and VB was introduced to simulate the shafting error model, and the error model was proved by comparing the simulating and calculating result with the spherical trigonometry method, which provides reference for precision analysis and error correction.

采用MATLAB与VB混合编程的方法对该误差模型进行了仿真分析，通过比较仿真结果与单项误差法计算的结果，验证了该轴系误差模型的正确性，为光电经纬仪的精度分析和误差修正提供了参考。

The pointing accuracy of telescope mount is one of the most important factors which limit tracking capability in the daylight.

为了提高白天卫星测距的能力，有必要对望远镜轴系误差做深入的研究，从而提高望远镜机架指向精度。

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 causes and essence of the torsional oscillation of large turbogenerator which consider as a kind of complex open system was investigated by using nonlinear science theory.

将大型汽轮发电机系统作为一类复杂开放系统，基于非线性科学分析了该系统的动力学特性，论述了该系统轴系扭振的原因及其本质。

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。

Also a fatigue loss program is developed to evaluate each fault's fatigue loss. Then we use this method to research a real SC power system's shaft torsional oscillation problem.

最后建立一新型输电网络模型，研究新型的输电系统如串补输电系统故障对发电机轴系扭振的影响。

Based on the whole trip-reclosure process and considered the two important targets,the stability of power system and the shaft torsional oscillation of generators,a scheme of optimal trip-reclosure process were all proposed.

针对输电线路继电保护跳闸—重合闸电气操作全过程，综合考虑电力系统稳定性和发电机轴系扭振两项指标，提出了最佳跳闸—重合闸过程。

As the development of the power industry, the generator unit has larger capacity and the shaft becomes more flexible, also the interconnected power gird is huger and more complicated, which make the torsional oscillation problem between the unit and grid more and more notable.

随着电力工业的发展，一方面发电机组单机容量大型化、轴系柔性化，另一方面互联电网规模大型化、结构复杂化，这种趋势使得大机组和大电网的扭振相互作用问题突出出来。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。