提出了一种多机电力系统小扰动稳定分析的解耦降阶法。
A decoupling and reducing-order method is brought forward to analyze small signal stability of multi-machine power system.
连分式法是一种简便而行之有效的降阶法，但它不能保证系统的稳定。
Continued fraction theory is a kind of simple and efficient order-reduction means, but it can not guarantee the stability of the system.
此外，还提出了一种新的降阶方法：快、慢模态降阶法(SFMOR)。
Further more, this paper develops a new order reduction method: slow-fast mode order reduction (SFMOR) method.
仿真结果表明改进连分式降阶法能保证系统的稳定性，并使降阶后的简化系统能较好地逼近原系统。
The results of the simulation show that the improved continued fraction theory can ensure the stability of the system and make the reduced system approach the original system.
该方法首先利用平衡降阶法对结构进行降阶，然后在模态空间中采用LQG控制策略对结构进行控制；
The model reduction is first carried out by balanced reduction method, then LQG control strategy is used in modal space for control design.
利用积分因子降阶法，给出了确定单自由度线性振动系统对任意激励响应的杜哈梅积分的一种新的推导方法。
This paper deals with the solution method of the initial value problem of linear vibration systems in the time domain.
这一方法的提出避免了传统方法的缺点，降阶系统达到了非常理想的性能。
This new method avoids the disadvantage of other traditional technique, and the characters of reduced order system with it are ideal.
控制律采用线性二次型高斯(LQG)方法，结合平衡截断法降阶。
The controllers are designed by linear quadratic Gaussian (LQG) method truncated by a balanced truncation method.
控制律采用线性二次型高斯(LQG)方法，结合平衡截断法降阶。
The controllers are designed by linear quadratic Gaussian (LQG) method truncated by a balanced truncation method.
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