查询词典 dynamics

To minimize the effect of the dynamics of the motor to the dynamics of the parallel mechanism, each real axis is controlled by a PD（proportional-derivative） controller, respectively.

为减少电动机动态对整个动力学系统的影响，每个输入轴分别单独设计一个PD控制器，整个动力学系统包括这些PD控制器。

The radial rectilinear stretching motion is firstly analysed, and its condition is deduced. Then two planetary gear mechanisms are assembled to realize the motion. In addition, the kinematics and dynamics analysis of arm mechanism is done, which provide the theoretic basis for the selection of servomotor and for holding the good dynamics and static performance of the clean robot.

首先对其末端执行器的径向直线伸缩运动展开分析，得出了实现该运动的必要条件，并采用两组行星轮系与连杆机构的组合形式来实现末端执行器的运动，此外还对该机构进行了运动学和动力学分析，为电机的选择以及控制净化机器人的动态性能和静态特性提供理论基础。

Taking the multi-deformable-body dynamics theory as a foundation,the dynamics behaviors of ring gear of the planetary gear set were studied in the process of engagement.

以多柔体动力学理论为基础，研究了行星齿轮内齿圈在啮合过程中的动力学行为。

Based on the theory of the structure dynamics, with the limited element SAP5 programm as the calculating way, a calculatingway of the dynamics intenisity of the sieve s lateral plate is put forward and the reason why this kind of oscillating sieve causes crcak on the lateral plate is analyzed.

以结构力学理论为依据，以有限元SAP5程序为计算手段，提出了一种直线振动筛侧板的动力学强度的计算方法，并分析了这类振动筛在侧板上产生裂纹的原因。

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。

Firstly, the detailed analysis and calculate of the dynamics parameters as suspensory point load, pure toque of speed reducer shaft etc and kinematics parameters of conventional beam-pumping unit and eccentric placed pumping unit which are in services in oil field have been made combining the basic theory of present beam-pumping unit to provide theoretic foundation for the kinematics and dynamics simulation and optimizing design of pumping unit.

首先，结合现有游梁式抽油机工作原理，对油田在役的常规型游梁式抽油机和异相曲柄平衡游梁式抽油机的运动学和悬点载荷、减速箱曲柄轴静扭矩等动力学参数进行了详尽的分析计算，为游梁式抽油机的运动学和动力学仿真及其优化设计提供了理论依据。

Modern chaotic dynamics provides chaotic study in the energy model with powerful tools, Symbolic Dynamics and Melnikov Method are two of them.

当代混沌动力学研究为能量模型的混沌研究提供了有力的工具，符号动力学与梅尔尼科夫方法就是其中两种。

Launch dynamics and transfer matrix method of multibody system are used to develop a launch dynamics model, equations of vibration characteristics and dynamic response. The firing dispersion test method of a non-full loading fire rocket based on the idea of equal initial disturbance is presented.

应用发射动力学和多体系统传递矩阵法理论，建立了多管火箭发射动力学模型，推导出了多管火箭振动特性和动力响应方程，形成了基于等起始扰动思想的多管火箭非满管射击密集度试验方法。

The dynamics of underwater vehicles can be greatly influenced by thruster dynamics, especially at low speed.

动态水下机器人可以极大地影响了推进动力，尤其是在低速。

This paper analyze the advantages and disadvantages of the existing Ad Hoc network routing algorithms, and chose a compromise ideas of algorithms to make a thorough research from the perspective of complex adaptive systems theory, and also use the perspective of network dynamics: the network is not only determined by the topological but also the dynamics flow of information or of traffic.

本文分析了Ad Hoc网络现有的几种分簇路由算法的优缺点，权衡利弊，选择了具有折衷思想的按需加权路由算法，从复杂自适应系统理论角度进行了进一步的研究，应用网络动力学的观点：网络不仅由拓扑确定，而且由发生在连接上的信息流或交通流的动力学确定。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。