查询词典 equilibrium principle

In addition, considering the move of equilibrium point caused by parameter perturbation and time delay, the offset of equilibrium point is estimated in order to guarantee that the equilibrium point satisfies the need of design.

另外，考虑参数扰动造成平衡点的摄动，对参数扰动和时滞作用下平衡点的偏移进行了估计，以保证递归神经网络平衡点满足设计要求。

There are two focus included as the following two topics:The measurement of equilibrium charge of dust particles in the plasmas By studying the forces acting on dust particles at the equilibrium position, where, the electric force and gravity force are importantly considered, the equilibrium charge of dust particles can be presumedly calculated according to the relation of the forces.

文中着重进行了以下两个方面的研究：一、等离子体中尘埃粒子平衡电荷量的测量通过研究尘埃粒子在平衡位置处的受力情况确定尘埃颗粒所带的电荷量。主要考虑两种力的作用即尘埃粒子所受的电场力和重力。根据这两种力的平衡关系就可以粗略得出尘埃粒子在平衡位置处的电荷量。

The model (1 - 1) researches the prey–preyer system with traditional II function:succeed in harvesting one( prey for food only having death rate), get the equilibrium of the system; To the equilibrium point, with the stability theories, analy the equilibrium stability; With keeping on the biggest development into target, get the biggest value of the target function.

模型(1 - 1)研究具有传统II类功能函数的Lotka -Volterra捕食-食饵系统：对捕食者进行单一捕获，得出非负平衡点；对平衡点，用稳定性理论，分析其局部稳定性；以最大可持续发展为目标，应用数分理论，得到目标函数的最大值。

Transition of China'financial institution is a process that starts from the equilibrium to the increase of financial resources'relative price, then to the broken of quondam equilibrium, and finally to the new equilibrium.

在这一过程中，虽然国有金融机构大都是"低效率"的，但这并不能说明这种制度安排是非理性的、是无效的。因为，金融制度安排的每一次均衡都能有效的促进经济的发展。

Secondly, method of Taylor series is used to approximate the slow manifold and the O approximation of the slow manifold is given; slow dynamics such as saddle node bifurcation which has been proven to be the same as that for the full system is analyzed; at the same time, fast dynamics including bifurcation conditions and domain of attractor of the stable equilibrium are also analyzed; the attracting region which consists of the stable manifold of the unstable equilibrium and stable equilibrium is given; we found that when the inner flux decay increases, the domain of attractor is enlarged.

首先，给出了电力系统SMIB模型的时间尺度分解，得到标准的奇异摄动模型；其次，利用幂级数方法，给出了慢流形的O近似M〓，分析了在慢流形M〓上的慢动态，得到了慢子系统的鞍结分支值，并证明此分支值与原系统的鞍结分支值相同；分析了快子系统的平衡点和全局分支的存在条件，给出由不稳定平衡点的稳定流形与稳定平衡点形成的吸引域；并研究内部电压对稳定域的影响，发现稳定域随内部电压增加而扩大；最后给出整个系统的稳定平衡点的近似吸引域。

Aimed at the problem of choosing the initial value when the Newton method is used to compute the controlling unstable equilibrium point, a practical and rigorous solving scheme was presented: by identifying the controlling load bus of the given fault, and using the Thevenin equivalent circuit to represent the rest of the system at the state of the post disturbance stable equilibrium point, using the steady equivalent circuit to represent the induction motor in composite load, and then using the torque characteristics of induction motor, a point near the CUEP is gained to be the initial value. The second order normal forms was used to approximate the stable manifold of CUEP, and the local approximating boundary of the region of attraction of the post disturbance stable equilibrium point was gained. Then just by simulating the state of the system at the fault clearing time, the transient voltage stability of the system could be determined.

针对采用牛顿法求取故障后系统主导不稳定平衡点(controlling unstable equilibrium point，CUEP)存在的初值选取难题，提出一种实用但不失严谨的解决方案：通过识别给定故障的主导负荷母线，对主导负荷母线以外系统由故障后稳定平衡点处的状态进行戴维南等值，对负荷中感应电动机部分采用其稳态等值电路，再由感应电动机的转矩特性求得CUEP附近的一个点作为近似的CUEP，以此为迭代初值可靠求得CUEP；采用二阶正规型来近似CUEP的稳定流形的方法求得近似的局部吸引域边界；由仿真得到故障清除时刻系统的状态并根据该状态是否位于吸引域内判断系统的暂态电压稳定性。

For the coordination of multiple agents in noncooperation environment, we considered the learning aim as finding a Nash equilibrium strategy through in learning function taking other agent's actions into account. Therefore, we expended the single agent Q-learning algorithm into multiagent Q-learning algorithm. In addition, we proved the convergence of multi-agent Q-learning algorithm under certain general sum stochastic game architecture for only one Nash equilibrium or multiple same Nash equilibrium.

对于非合作环境下的多智能体协调我们通过在学习函数中考虑了智能体的联合行动，提出把学习目标作为求取一个Nash平衡点策略，这样将单智能体Q-learning算法扩展到多智能体的Q-learning算法；证明了在一定的一般和随机对策结构下具有一个或多个相同Nash平衡点条件下多智能体Q-learning算法的收敛性。

Considering its complex geometric topology, multi states of self-equilibrium stress and modes of inextensional mechanisms, a prestress optimization strategy was proposed to solve the final feasible prestress distribution problem of the structures with multi states of self- equilibrium stress, where the decomposition and assembly method of modal matrix, the theory of structural equilibrium matrix and the singular value decomposition method were utilized.

考虑该结构几何拓扑复杂、多自应力模态与机构位移模态的特点，应用平衡矩阵理论与奇异值分解算法，通过模态矩阵的分解组合方法，给出一种具有一定普遍意义的预应力优化策略，使多自应力模态结构体系的最终可行预应力分布求解得以简便的实现。

With horizontal shear component of intercolumn forces ignored, four equilibrium equations were formed, i.e., force equilibriums along the vertical direction, the sliding direction, Y axis direction, and moment equilibrium around Y axis. The equilibrium equations contained the actions of underground water, earthquake and supporting forces.

在忽略条柱间作用力的水平剪切分量的基础上，建立铅直方向、滑动方向、垂直滑动方向的力平衡以及绕Y轴的力矩平衡共4个方程，平衡方程中纳入地下水、地震、支护力作用。

Following evidences indicate that lherzolite and garnet pyroxenite xenoliths in basalts are captures of mantle fragments when host magma ascending: crystallizing temperatures and pressures of cpx megacrysts and some phenocrysts in host magmas are greater than equilibrium temperatures and pressures of xenoliths; calculated REE partition pattern of assumed equilibrium melts is not comparable with that of studied host basalt rocks; olivine in xenoliths is not in equilibrium with basalt rocks.

寄主玄武岩的单斜辉石斑晶—熔体平衡温度高于石榴石二辉橄榄岩和石榴石辉石岩包体的平衡温度，单斜辉石巨晶和部分斑晶—熔体平衡压力大于包体平衡压力，寄主碱性玄武岩的稀土配分型式和所计算的与尖晶石二辉橄榄岩包体平衡的熔体的稀土配分型式不同，包体橄榄石与寄主岩浆之间的Fe-Mg交换系数低于0.30，均表明包体与寄主玄武岩浆之间不存在平衡关系，因此，包体是被寄主玄武岩浆捕虏的上地幔碎块。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。