推导出了中等稳定顶板条件下计算支护系统所需阻力和可缩量的公式，并进行了相应的模拟实验研究。
The formula of calculation of support system resistance and yieldability under condition of medium stable roof is derived and proved through eguivalent model testing.
验证了稳定平台控制系统对于变结构控制的不变性条件，构造了滑动模态。
The invariant conditions of the stabilized platform control system for variable structure control were verified and a sliding mode was constructed.
在系统绝对能控的条件下，给出了具有稳定滑动模态的切换泛函的设计方法。
The design method for the switching functional which leads to stable sliding modes is presented if the system is absolutely controllable.
工人们在炎热、恶劣的条件下长时间辛苦工作，以稳定被自然灾害破坏了冷却系统的核电站。
Workers have toiled under hot and harsh conditions to stabilize the plant since the cooling systems were destroyed by the natural disasters.
这是因为在全新世稳定的条件下，地球系统越向前，它就越有可能进入一个全新的状态，并且还会进一步改变。
It is that the further the Earth system gets from the stable conditions of the Holocene, the more likely it is to slip into a whole new state and change itself yet further.
一个系统的临界状态，带有一个阶段的国家接近于打破的稳定性条件的边界，被详细讨论。
The critical state of a system, with the one-phase state being close to the boundary of stability conditions breaking, is discussed in detail.
利用这一模型，针对含有大型风电场的输电系统，对其静态电压稳定约束条件下的最大输电能力(TTC)展开研究。
Based on the proposed model, total transfer capability (TTC) of power system containing large-scale wind farms is investigated under the constraint condition of static voltage stability.
电子稳定程序(esp)控制系统是一种在各种行驶条件下能提高车辆行驶稳定性的主动安全体系。
The control system of the electronic stability program (ESP) is an active safety system which can improve the vehicle's driving stability under various driving conditions.
利用异步动态系统的相关结论，给出网络控制系统指数稳定的充分条件。
The sufficient condition to the exponential stability of the networked control system is derived from the conclusion of the ADSs.
并利用离散李亚普诺夫函数法导出系统稳定的条件。
The stability conditions are derived using a discrete Lya-punov function.
我们将给出一个类似的圆判据，它说，所有顶点或边系统的某些频域条件可保证整个不确定系统是绝对稳定的。
A circle-like criterion will be given it says that some frequency-domain conditions of all vertex or edge systems guarantee the absolute stability of the whole uncertain system.
在此基础上给出了一类特殊形式的非线性滞后广义系统一致稳定的充分条件。
Then the sufficient conditions for uniformly stability of a class of special nonlinear singular systems with delay is given.
利用李雅普诺夫函数方法和线性矩阵不等式方法，给出了广义网络控制系统指数稳定的充分条件。
Then, by Lyapunov function and linear matrix inequality(LMI), the sufficient conditions are given to make the singular networked control system exponentially stable.
提出了一种新的时间冗余的切变系统的稳定条件及其算法。
In this paper, we present a new stability condition and algorithm of switched systems based on time redundancy.
给出了一类离散滞后不确定奇异系统的鲁棒d -稳定性条件，发现渐近稳定的条件与时滞无关。
In this paper, a sufficient condition of robust D-stability for discrete-delay uncertain singular systems is presented.
通过分析相应特征方程根的性质，给出系统稳定的一个充分条件。
By studying the properties of roots for the corresponding characteristic equation, the sufficient conditions under which the equation is stable are given.
首先，考虑了振幅有界的外部干扰，得到了保证系统原点渐近稳定的充分条件。
First, amplitude bounded exogenous disturbance is considered and sufficient conditions that ensure the asymptotical stability of the origin of the systems is derived.
文中具体分析了三阶时滞系统的稳定条件，并用计算机模拟证实了有关结论的正确性。
A particular analysis of the stability conditions for third-order delay systems is made here and related results are confirmed to be accurate by computer simulations.
进而得到系统以概率1稳定的条件。
The sufficient conditions of stability with probability 1 of systems are obtained.
在不要求最优逼近误差平方可积和上界已知的条件下，证明闭环系统全局渐近稳定，所有信号有界且跟踪误差收敛到零。
We proved the closed systems global asymptotical stable, not needing the error upper bound and the error square integral, all the signals are bounded and the tracing error convergence.
针对离散广义双线性系统，研究了稳定控制存在的条件，给出了相应的控制方案。
The existing conditions of stabilizing control for discrete-time singular bilinear systems are studied and the corresponding control scheme is given.
在广域动态信息条件下，使互联电网的安全稳定紧急控制系统的快速、有效控制的实际应用成为可能。
With wide area dynamic information, the fast and effective control by inter-connected power system security, stability and emergency control system becomes possible.
在系统谐振的必要条件基础上，本文运用准线性理论得到了系统谐振稳定的充分条件，并提出了评价系统稳定性好坏的性能指标。
Based on the prerequisite of system resonance, this thesis obtains the sufficient condition of system stability using quasi-linear theory and brings forward the criterions of the system stability.
研究了一类连续模糊动态系统的稳定性，证明了该类系统稳定的充分条件。
The stability of a class of continuous fuzzy dynamic systems is analyzed, and the sufficient condition is proved.
本文针对一般非线性系统，在渐近稳定的条件下，得到了完全系统的周期解的存在性、唯一性及收敛性。
In this paper, we obtain the existence, uniqueness and the convergence of a periodic solution of the full system for general nonlinear systems under asymptotically stable conditions.
仿真结果表明，这种控制方法能有效抑制干扰，可以在大干扰条件下提高系统暂态稳定性。
The simulation results have shown that the control law discussed can attenuate the disturbances and apparently improve the transient stability when large disturbances occur.
其次在子系统正则的条件下，给出了广义大系统渐近稳定的判定定理，设计了镇定离散广义大系统的反馈律。
The problem of stability and decentralized stabilization for discrete singular large-scale systems with non-causality is solved by Lyapunov approach in this paper.
证明了在某些条件下系统是持续的，建立了关于相应周期系统正周期解的存在性与稳定性的条件。
Conditions are established for the existence and the stability of the positive periodic solutions with respect to the corresponding periodic system.
目的是提出该类系统的鲁棒稳定性条件及鲁棒状态反馈控制律的存在条件。
The aim is to derive conditions for robust stability and the existence of robust state feedback control laws for such systems, respectively.
此外，本文还对复杂电力系统中临界电压稳定与同步稳定极限的条件进行了探讨。
Moreover, this paper presents an analysis for the conditions of the critical voltage stability and synchronism stability limit in the bulk power systems.
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