It is seen that the points representing stable isotopes define a rather narrow stability region. 可以看到,表示稳定同位素的那些点,构成一个很窄的稳定性区域。
By using the boundary locus method, the delay-dependent stability region of the trapezium rule is analyzed and its boundary is found. 通过运用边界轨迹法,分析了梯形方法的延迟依赖稳定区域并找到其准确边界。
Studies on the on-line Static Stability Region in Power Systems and Its Application 在线电力系统静态稳定域的研究及其应用
A Method to Solve Minimal Voltage Stability Region Based on Load Interval 基于负荷区间的最小电压稳定域求解方法
It applied bifurcation approach of elementary catastrophe theory to find out control parameters ′ bifurcation values, which decide stability of power systems, further, stability region can be obtained. 它运用初等灾变理论中分岔的概念找出决定电力系统稳定的控制参数的分岔值,从而确定了系统的稳定区域,由稳定区域即可进行系统的稳定判断。
Under different operating conditions, the voltage stability region is compared with that of the synchronism stability. 相对于电力系统的不同运行条件,文中对电压失稳域与同步失稳域进行了比较。
This paper discusses discrete_delay singular systems by using Lyapunov's method and estimates the size of the uniformly stable region and asymptotic stability region around zero for discrete_delay singular systems. 利用Lyapunov方法讨论离散滞后广义系统,并给出了该类系统的零解一致稳定区域和渐近稳定区域的大小估计。
Analysis and numerical computation have made it-clear that the, new method has greater stability region than the Treanor's method and the accuracy of the numerical solution can be increased as compared with that of the Treanor's method. 分析和计算都表明,与Treanor方法相比,改进的方法具有更大的稳定域,且提高了数值解的精度。
Rheological Behaviour and Stability Region for China Clay Suspensions Deflocculated by Sodium Metasilicate 偏硅酸钠解凝的高岭土悬浮体稳定区域和某些流变行为研究
Then the concept of stability region of fuzzy control systems and its determination is presented. 接着提出了模糊控制系统稳定区域的概念,并给出稳定区域的确定方法。
A widely linear momentum LMS algorithm for CDMA MAI suppression had been proposed. Its mean square convergence had been analyzed, and its stability region and misadjustment had been found out. 提出了一种宽线性动量LMS算法,分析了算法在均方意义下的收敛性,给出了算法稳定条件和失调公式,以及算法应用于码分多址系统多址干扰抵消的效果。
Impact of Load Increase and Generation Dispatch on Small Signal Stability Region 调度方式和负荷水平对小扰动稳定域的影响
According to the stability region theory of constrained dynamic system, the restricted stability boundary is composed of stable manifolds of unstable equilibrium points, periodic orbits and semi-saddles on the boundary, and portions of the boundary of the feasible region. 根据带约束动力系统稳定域理论,其受限稳定边界由边界上不稳定平衡点、周期轨和半鞍点的稳定流形以及部分可行域边界构成。
For resolving effectively the problem of output nodes and calculation nodes that do not fit mutually in the step-change computation process, a pair of fourth order continuous RK formulae with a big stability region is put forward, based on predecessors 'work. 为了有效地解决变步长仿真计算过程中,输出节点与计算节点不相吻合的问题,该文在前人工作的基础上,提出了一个具有大稳定域的四阶连续RK公式对。
Stability Region of Fuzzy Control Systems and Its Determination 模糊控制系统的稳定区域及其确定方法
Given a family of polynomials with structured perturbations, and a stability region in the complex plane, whether the family has invariant root numbers with respect to the interior, the boundary and the exterior of the region? 给了一个结构型摄动多项式族以及复平面上的稳定性区域,是否这个族在这区域的内部,边界与外部有着不变的根的数目?
On the basis of the networked control system model with networked-induced delay, the stability of this system is analyzed by hybrid system theory. The integrator example stability region is widen by the analysis and the simulation results are given and validate the conclusion. 在前人建立的基于网络诱导延时的网络控制系统模型基础上,使用混合系统控制理论和方法分析其稳定性,就一类积分控制器推导出更大的稳定区域,并利用仿真验证了结果。
Finally, the stability region diagrams are given with input voltage amplitude, reference voltage and load as parameters. 最后,给出了在输入电压幅值、参考电压和负载变化下系统的稳定域。
In this paper, the author mainly focuses on the influence of non-differential components to power system small signal stability region ( SSSR) study. 研究了不可微环节对电力系统小扰动稳定域(SSSR)的影响。
And the steady and dynamic analyze of the control method is given, the result shows that not only the compensation property is enhanced, but also the stability region is broaden through the improved control method. 文中对改进前后2种控制方式的DC侧APF的稳态和动态性能进行了分析,结果表明,改进的控制方式不仅改善了补偿效果,而且扩展了系统的稳定区域。
Method A dynamic stability region, which based on energy analyses, is promoted. 方法从能量分析的角度提出了人体平衡的动力学稳定区域。
Analysis of Voltage Stability Margin Index and Study of Voltage Stability Region for Critical Voltage Collapse in Power System 电力系统临界电压崩溃的距离裕度指标分析及电压稳定域的研究
Using a hybrid analysis method combining loop current with nodal voltage the π-shaped basic loop model is analyzed and a method to fast construct state space based voltage stability region by use of nodal injection power and network parameters is given. 应用回路电流和节点电压混合分析法对π型基本回路模型进行了分析,给出了一种利用节点注入功率和网络参数快速构造基于状态空间的电压稳定域的方法。
First, the exact stability region in terms of key tuning parame-ters is derived without approximation. 首先,在不采用任何近似的情况下,按照所有的关键调节参数导出了精确稳定区域。
Furthermore, the stability of the system is analyzed and the stability region of the plant states is provided. 进一步对该系统的稳定性进行了分析,给出了系统中被控对象状态的稳定域范围。
Details are as follows, 1. Based on the Taylor Series Expansion and the LaSalle Invariance Principle, a class of methods for estimating the stability region of nonlinear autonomous systems is suggested, and they are used to analyze the transient stability of a power system. 在此方面,论文具体的研究成果为,1.基于泰勒展开式和拉萨尔不变性原理,针对普通的自治系统提出了一组稳定域的估计方法,并将此方法应用于电力系统暂态稳定分析。
In finite delay evolution equation with diffusion. And given two parameter plane stability region. 在有限时滞发展方程的讨论里,给出了两个参数平面的稳定性区域。
This method makes use of the topological characteristic of small signal stability region and the region boundary information. 该方法利用了小扰动稳定域的拓扑性质和边界信息,有别于概率安全分析中常用的数值仿真法和解析法。
For fractional-order linear continuous-time systems with time delay, the stability region of fractional-order PID parameters is studied. 针对分数阶线性时滞系统,研究了分数阶PID控制参数稳定域确定问题。
The stability region of system parameters can be obtained through stability analysis firstly, and then the robust region where controller is also effective is found out. 通过稳定性分析得出系统参数的稳定区域并找出控制器仍能发挥本文中要求的控制效果的参数范围,即控制器的鲁棒区域。