讨论了平面运动刚体上惯性力系的简化问题；
This paper discusses the problem of the reduction of inertial force system of rigid body in plane motion .
将造波水槽内二维浮体牵引弹簧回复液压缸的受力系统简化为弹簧—质量—阻尼器系统，建立数学模型，并根据牛顿第二定律得到运动方程式。
The model of a kind of wave energy device moored on seabed is simplified into a spring-mass-damping system, and then its motion equation is built according to Newton's second law.
建立了带有TCR的单机无穷大系统的非线性状态方程，用以简化和模拟实际电力系统。
Nonlinear state equation of single machine infinite bus system with TCR is established to simplify and simulate real power system.
该系统通过建立一种通用的电力系统设备认知模型—操作类，来简化相应的专家系统知识库。
It adopts a general cognitive model of electric power devices -operational classes to simplify its knowledge database.
并根据电力系统的特点对该公式进行了简化，得到准梯度向量公式。
After simplifying the gradient vector formula THC quasi-gradient vector formula is inferred according to the feature of power systems.
将单层线性前馈网络用于矩阵求逆的方法，应用于电力系统故障计算中，从而简化了计算。
The linear forward feedback perceptron with single layer is used to seek the inverse matrix in failure analysis of power system, so that the calculation is simplified.
并将其简化为单自由度非线性动力系统通过优化方法得到了精确度较高的动力计算模型，为结构直接动力分析提供了较好的计算依据。
The dynamic calculating model with higher precision acquired by optimal method has consequently provided a better calculating basis for the direct dynamic analysis of the structure.
给出了解决刚体平面平行运动问题的一组完整方程，讨论了力系简化在质心平面内的条件。
A integrated equation set for solving plane parallel motion of rigid body was derived, and the conditions of system of forces simplified on the center of mass plane was discussed.
提出以电功率微分为输入信号的电力系统稳定器，简化了稳定器结构。
On the basis of theoretical analysis, this paper proposes a new kind of power system stabilizer with the differential of electric power as input signal, which simplifies the structure of PSS.
将变结构控制理论引入电力系统的暂稳汽门控制，使汽门控制器的设计大为简化，控制规律易于实现。
A new control approach is proposed for multimachine power systems during transient crises. The variable structure control theory is applied to design the valve control law.
通过一系列的坐标变化和近恒等变换，将电力系统的动态方程简化成三阶规范形，从而得到系统的分岔方程。
The dynamical equations of the system are simplified to a3-order normal form with a series of coordinate and approximately identical transformations, and a bifurcation equation is thus obtained.
建立了电力系统稳定计算用汽轮机及调速系统的数学模型并对其进行了适当的简化。
The mathematical models of turbine governor are established and simplified for the stability calculation of power system.
建立了电力系统稳定计算用汽轮机及调速系统的数学模型并对其进行了适当的简化。
The mathematical models of turbine governor are established and simplified for the stability calculation of power system.
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