轴系

At last, this paper presents a summarize about the achievement and problems, and gives pieces of advisement for the future work.

最后对研究成果和有关问题进行了总结，对今后的工作做出了展望，并分别给出了基于上述算法的船舶推进轴系扭振计算实例。

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。

It is main cause to testing accuracy on concentricity and orthogonality of turntable.

证实了转台轴系不正交度及平台与转台安装误差是影响测量精度的主要因素。

Now the science and technology rapid development, the countershaft department's precision request also is higher and higher.

摘要当今科学技术飞速发展，对轴系的精度要求也越来越高。

Aimed at the crankshaft fatigue of certain typed 4 cylindered internal combustion engine this paper established the dynamics model of piston-shaft system and carried out simulation.A...

文中针对某型号4缸内燃机曲轴疲劳，建立了活塞-轴系动力学模型并进行仿真，然后把仿真结果转化为时间载荷传递到曲轴的有限元计算模型中，最后对该有限元模型进行疲劳仿真，从而获得整个曲轴的疲劳寿命计算结果。

A new way to damp system oscillation is given in this paper and shows that the method is effective.

所提出的方法为有效地抑制轴系扭振提供了新途径。

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。

Aiming at the problem of the odd point in the calculation of rotors torsional vibration characteristics by using the improved Riccati method, this paper presents a new viewpoint about how to confirm and remove the lost root and the added root of equation.

本文针对采用改进型Riccati方法计算轴系扭振特性中所出现的奇点问题，提出还需检测判断剩余量与振型，从而进一步确定和排除方程"漏根"和"增根"的方法。

The equivalency of the above three has been valified in this paper.

并且，它们与Tisserand轴系的要求也是基本一致的。

Besides this, we have studied the special function and significance of impulse vibration signal in the gear case's malfunction diagnose.

承、齿轮、轴系三类零件各自的故障特征信号，同时研究冲击振动信号在齿轮箱故障诊断中的特殊作用和意义。

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。