Simulation results show that nonlinear state PI SVC controller cooperating with the excitation system of generator can improve dynamic stability of power system effectively.
仿真计算表明，SVC与发电机励磁非线性状态PI协调控制器能有效地提高系统的暂态稳定性。
The rotor bearing system was investigated using the stability and bifurcation theory for nonlinear dynamic system and the database method.
应用精度高、速度快的非线性油膜力数据库方法及非线性动力系统的稳定性和分叉理论对转子-轴承系统进行了分析。
A robust state feedback controller design is considered for a class of linear time varying delay system with nonlinear uncertainty based on Lyapunov stability theory.
基于稳定性理论，研究了一类具有状态非线性不确定性的线性时变时滞系统的鲁棒控制器的设计问题。
The robust nonlinear coordinated control is considered to be one of the best ways both in cost and efficacy to enhance and improve the multi-machine system stability.
鲁棒非线性协调控制方法是提高和改善以多机系统为背景的现代电网稳定性最有效、最经济的手段之一。
The result indicates the nonlinear variable structure control can adjust the transmission power of DC line effectively, and assure the stability of the AC-DC system.
仿真结果表明，非线性变结构控制可以有效地调节直流线路的传输功率，保证交直流系统的稳定性。
Further more, based on the estimator a high order differential feedback controller is designed, which does not rely on the model of the nonlinear system, and has well stability and robustness.
另外，基于所提出的估计器，本文设计了不依赖非线性系统模型的高阶微分反馈控制器。该控制器稳定性好，鲁棒性强。
On condition that the nonlinear uncertain functions are gain bounded, we derive a sufficient condition for the robust stability of the time-delay system.
在非线性不确定性满足增益有界条件下，得到了该类时滞系统鲁棒稳定的一个充分条件。
We prove that the solution of a nonlinear complementarity problem is exactly the equilibrium point of differential equation system, and prove the asymptotical stability and global convergence.
在一定的条件下我们证明了非线性互补问题的解是该微分方程系统的平衡点，并且证明了该微分方程系统的稳定性和全局收敛性。
And the results show that the nonlinear system incremental-gain can be, in some degree, used not only to judge system stability but also to reflect system's robust.
示例计算结果表明，确定系统的增量增益不但可以方便地判断饱和非线性系统的稳定性，而且在一定程度上也反映了系统的鲁棒性。
A new general arithmetic to design speed estimation arithmetic of asynchronous motor based on the absolutely stability theorem of nonlinear system is introduced.
基于非线性控制系统的绝对稳定性定理，提出了一种新的通用异步电机转速自适应辨识方法。
The experiment results demonstrate that the controller can compensate the nonlinear factors in the system, guarantee the system stability and diminish the tracking error.
结果表明该控制器能够补偿系统的非线性因素，保证了系统的稳定，减小了跟踪误差。
Some preliminary results of continuity and stability of nonlinear system with piecewise linearized control are given. An application of the results is discussed briefly.
本文初步解决了非线性系统的分区域线性化控制律的连续性和系统的稳定性问题，简要介绍了一个应用例子。
The stability of a nonlinear control system which consists of a sector bounded nonlinear gain in cascade with a fixed linear PID controller is analyzed using Popov stability criterion.
针对一类由非线性增益函数与典型PID控制器级联组成的非线性系统，采用波波夫判据对此类闭环控制系统进行稳定性分析。
At the same time, the stability of the synchronized system is analyzed, with the method for designing nonlinear state observer being proposed.
同时分析了同步系统的稳定性，给出了设计非线性状态观测器的方法。
Stability for a certain family of equilibrium of a nonlinear system with varying input signals was considered.
考虑了具有缓变输入信号的非线性动力系统的一类平衡点集合的稳定性。
The constant reactive power excitation control strategy is deducted using nonlinear zero dynamic method and the system stability under this control strategy is verified.
推导了使用非线性零动态方法实现的发电机恒无功励磁控制规律，并对采用这种控制规律后，系统的稳定性做了详尽的分析。
The results show that the signal-modulating type synthetical nonlinear SVC controller can provide higher damping to the system, so as to enhance the transient stability of the AC and DC hybrid system.
研究表明，信号调制型SVC综合非线性控制器，能够给系统提供较强的阻尼，从而提高了整个交直流混合系统的暂态稳定性。
The difficulty of solving transient stability problem is to deal with the strongly nonlinear, uncertain and large - scale system.
电力系统暂态稳定控制问题的难点是要解决一个具有强非线性、不确定性的大系统控制问题。
The stability analysis of variable structure guidance system of an air-to-air missile was conducted based on the circle criterion nonlinear stability analysis theory.
文中在圆判据非线性稳定性理论基础上，进行空空导弹变结构制导系统的稳定性分析。
The analysis of guaranteed cost robust stability for nonlinear system with time-varying delays is investigated.
考虑一类非线性时滞系统的保性能鲁棒稳定性问题。
TSK fuzzy controller based on TSK fuzzy model with nonlinear controller assures the stability of closed loop system.
所设计的TSK模糊控制器是一个基于TSK模糊模型的非线性控制器，能保证闭环控制系统的稳定性。
Global exponential stability of fuzzy control systems with delays is studied, a nonlinear state feedback controller is designed to ensure the global exponential stability of the closed-loop system.
针对模糊时滞系统，设计了非线性状态反馈控制器以确保闭环系统全局指数稳定。
As a complex, time-varying, nonlinear, strong coupling, natural unstable and higher order system, its stability control is a typical problem of the theory and application of control.
作为一个复杂、时变、非线性、强耦合、自然不稳定的高阶系统，倒立摆的稳定性控制又是控制理论与应用的典型问题。
Through a rational derivation, nonlinear mathematical model of electro-hydraulic position control system is built up. The system dynamic and stability analysis is obtained with the use of the model.
通过合理的推导，建立了电液伺服位置控制系统的非线性数学模型，利用该模型对系统进行相关的动态和稳定性分析。
From theory of root locus derived are the criteria of universal interest for stability of nonlinear system on the basis of equivalent gain, and methods for its qualitative and quantitive analyses.
本文用等效增益概念，根据根轨逊理论，导出了具有普遍意义的非线性系统稳定性的判别准则以及定性定量分析稳定性的方法。
This paper discusses the stability of solution of the oblique derivative problem for the nonlinear elliptic system of first order equations.
讨论了一阶非线性椭圆型方程组斜微商问题解的稳定性，这个结果是借助于有关边值问题解的先验估计而导出的。
The stability of steam turbine control system could be effected by the governing valve nonlinear position-flow characteristic.
调节阀特性非线性将影响机组的稳定运行，必须通过非线性补偿，使机组的静态特性线性化。
The SVC nonlinear control law is designed. The simulation results show that the steady state stability and transient stability of the power system are obviously improved by the control law.
设计了SVC非线性控制器，经仿真研究表明，所设计的控制器可以显著地改善电力系统的稳定性。
The locally asymptotic stability of a 2-dimension nonlinear analytic dynamic system with a pair of conjugated imaginary eigenvalues is studied.
考察具有一对共轭纯虚数特征值的二维非线性临界解析动态系统的局部渐近稳定性。
The locally asymptotic stability of a 2-dimension nonlinear analytic dynamic system with a pair of conjugated imaginary eigenvalues is studied.
考察具有一对共轭纯虚数特征值的二维非线性临界解析动态系统的局部渐近稳定性。
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