该方法可以用于电力系统扰动的实时监测。
The proposed method can be applied to real-time monitoring of power system disturbances.
采用合理的发电机励磁控制方案对改善电力系统扰动稳定性有着重要的作用。
Proper program of excitation control is important in the improvement of the disturbance stability in power system.
其参数是通过在系统扰动过程中的发电机电压、电流和转子角等数据而得到的。
The parameters are calculated from the data of small perturbations of the generator voltage, current and rotor angle during system disturbances.
在实验室进行静特性试验,随动系统扰动试验,证明了其具有较优的控制性能。
The result of static characteristic test and disturbance test on follower system in factory demonstrates that this system has excellent static and dynamic performance.
在线预测系统扰动后的稳态频率,有利于扰动后系统频率稳定性评估和紧急控制。
On line predicting obtaining power system post disturbances steady frequency is beneficial for frequency stability assessment and emergency control.
通过仿真实验,常规pid控制器虽然设计简单,但对系统扰动的抑制能力较弱,鲁棒性差。
Through simulation experiments, although the conventional PID controller is designed simple, the ability to reject system disturbance and robust is rather weak.
研究一类含有系统扰动,并且状态项与控制项中同时含有未知参数的非线性系统的反馈稳定问题。
The problem of adaptive stabilization for a class of nonlinear systems with unknown parameters both in state vector and control vector is studied.
为防止由控制量切换引起的系统扰动,引入比值切换方式;为消除系统余差,引入智能积分开关。
In order to damp the disturbances aroused by control switch and eliminate the system stead-state error, ratio switch and intelligent integrated switch are introduced int.
基于三维弹目相对运动学的非线性关系,将目标机动作为系统扰动,建立了弹目相对运动的数学模型。
The mathematic model is built according to the three-dimensional relationship between the missile and the target whose acceleration is introduced as disturbance.
利用函数单向s -粗集对偶,结合系统规律生成,提出了开环控制系统的扰动识别准则,并给出了开环控制系统扰动识别的结构图和具体实现过程。
Based on the dual function S-rough set and system law generation, disturb recognition criteria of the open-loop control is given.
或者,稳定性可以被定义为生态系统在发生重大扰动,如一场火灾后,恢复到特定形式的速度。
Alternatively, stability can be defined as the speed with which an ecosystem returns to a particular form following a major disturbance, such as a fire.
动作捕捉必须与拍摄分开进行,因为服装和道具上的反光物质会干扰动作捕捉系统。
The motion capture had to be done separately from the filming, because reflective materials on costumes and sets interfered with the motion-capture system.
这种最优状态不但难寻其踪,而且对于来自外部的微小扰动极其敏感,因此它对于系统的演化往往无足轻重。
This optimum state is not only elusive, it is also hyper-fragile to small changes in the environment, and therefore often irrelevant to understanding what is going on.
本文讨论了存在未知扰动情况下如何设计双线性多变量系统的观测器问题。
The problem of designing an observer for bilinear multivariable systems in the presence of unknown disturbances is considered.
分析了电力系统在周期性负荷扰动下的振荡失稳问题。
The power system instability caused by oscillation under periodical load disturbance was analyzed.
作者研究了在周期性负荷扰动下电力系统安全盆的分形侵蚀,通过数值仿真给出了不同的扰动值对安全盆的侵蚀程度。
The fractal erosion of safe basin in a power system disturbed by a periodical load is studied, and the erosion extent induced by different disturbance values is numerically analyzed.
以典型的航天员推离动作对飞船的扰动力矩作为控制系统仿真的输入参数,分析姿态控制系统受到扰动后的响应。
Put the disturbance moments of typical astronaut's push-off act as the input datas of the control system simulation, and analyze the response of the attitude control system after disturbed.
在保证小扰动稳定前提下,电力系统可承受的最大时滞称为时滞稳定裕度。
Delay margin is defined as the maximum time delay that system can sustain without losing its small signal stability.
如果有不期望的扰动作用在开环系统上,或者如果其行为不能完全掌握的话,则该系统的输出就不会完全如预期般动作。
If unexpected disturbances act upon an open-loop system, or if its behavior is not completely understood, then the output will not behave precisely as expected.
仿真结果表明,该方案在保证伺服系统的快速精确跟踪性的同时,对系统参数变化和阻力扰动具有很强的鲁棒性。
The simulation results show that the control scheme not only can enhance fast tracking performance, but also has a strong robustness to parametric variations and resistance disturbances.
对电力系统小扰动稳定域的微分拓扑学性质进行了初步探讨。
Differential topological characteristics of the small signal stability region (SSSR) in power systems are tentatively studied in this paper.
滑模变结构控制是一种非线性控制方法,对系统的参数变化和扰动具有安全的自适应性。
Sliding mode variable structure (SMVS) is a nonlinear control method, which is adaptive to disturbance and parameter variations.
针对外部持续扰动下的线性时滞系统,提出一种前馈-反馈最优控制的逐次逼近算法。
A successive approximation algorithm of feedforward and feedback optimal control for linear systems with state time-delay affected by persistent disturbances is presented.
继电保护中隐性故障以不正确的和不期望的方式切除电力系统元件造成电力系统大面积扰动。
It was found that hidden failures in protection schemes caused the disconnection of power system elements in an incorrect and undesirable manner contributing to the disturbance degradation.
电机控制模型中的建模误差,以及系统运行中的参数漂移,诸如电机的定、转子电阻随着温度发生变化,相当于对所研究的控制系统加入了扰动。
The modelling inaccuracy and parameter drift in motor control, such as the stator and rotor resistance shift with temperature, act as the disturbance in the control system.
研究了离散孤立子方程的扰动系统。
The perturbation systems of discrete soliton equations are investigated.
时滞非线性系统的最优扰动抑制问题具有重要的理论和实际意义。
Optimal disturbance rejection for the nonlinear delay systems is of important meaning in theory and practice.
时滞非线性系统的最优扰动抑制问题具有重要的理论和实际意义。
Optimal disturbance rejection for the nonlinear delay systems is of important meaning in theory and practice.
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