查询词典 dynamical

In static design of the control system, the influences of three-axle unintersect, unverticality and disturbance moment to the simulator's position accuracy is analyzed, and the error analytic formula is suggested. The influence of system static and dynamical friction moment, distinguishability of D/A convertor to the low-speed characteristic of the simulator is also analyzed.

在控制系统的静态设计过程中，分析了三轴转台的三轴不相交度、三轴不垂直度和干扰力矩等对转台位置精度的影响，并求出了误差的解析表达式，分析了系统的静、动摩擦力矩、D／A转换器的分辨率等对转台低速特性的影响。

In§4.2, Cell mapping method was used to study the global domain of attraction of GKdV equations. Cell mapping is developed by discretization of the point mapping which is a useful tool in solving nonlinear dynamical systems.

点映射作为解决非线性动力系统的有效工具，其一般方法可以追溯到Poincare和Birkhoff。

Based on the desired trajectory and real output dynamical information of the control system, a basic iterative learning control algorithm is suggested, its ε-convergence is derived, and the interval length of local symmetrical double integral is determined.

基于理想轨线与控制系统的实际输出动态信息，提出基本的迭代学习控制算法并分析和论证算法的收敛性，给出局部对称积分区间参数的确定策略。

Based on the desired trajectory and real output dynamical information of the control system, a basic iterative learning control algorithm is suggested, its e-convergence is derived, and the interval length of local symmetrical double integral is determined.

基于理想轨线与控制系统的实际输出动态信息，提出基本的迭代学习控制算法并分析和论证算法的收敛性，给出局部对称积分区间参数的确定策略。

The dynamical processes of nutrient release were described correctly by Elovich equation S(subscript t=a+blnt, double constant equation InS(subscript t=a+hlnt and parabola diffuse equationS(subscript t=a+bt^0.5 and nutrient release rate could be described by parameter b of all equations.

结果表明，20℃恒温模擬条件下缓释复合肥氮、磷、钾养分缓释性能较佳，3种养分释放的动力学过程可用Elovich方程S=a+blnt、双常数方程InS1=a+blnt和抛物线扩散方程S=a+bt^0.5表征，各方程参数b值均可用於描述缓释复合肥氮、磷、钾养分释放速率。

It is found that for the mesoscale mountain of steep slope, the dynamical effect of orographic disturbance weakens cold front on the upwind side and strengthens cold front on the mountain top, the frontal intensity is decreased when front moves downslope rapidly.

另外发现锋面强度也是影响地形扰动与锋面相互作用的重要因素，当锋面比较强时，地形扰动与锋面会发生强的相互作用，在地形扰动对锋面产生影响的同时，锋面的过山会引起地形扰动的强烈变化。

On the basis of experimental studies and analyses for friction dynamic characteristics, a new dynamical friction model structure is proposed.

因此随着现代机械朝着高精度、高性能方向的发展，对摩擦环节的建模以及动力学特性的研究就变得越来越重要。

This embodiment shows how the method of the invention can be used for encryption using dynamical systems with continuous variables.

这体现的说明方法的发明可以用来加密用动力系统与连续变量。

Dynamical properties of partial variables of interest are characterized by elimination of latent variables. These variables can be stabilized by pole placement.

通过潜在变量的消除，得到人们感兴趣的那部分变量的动态特性刻画：即可以通过极点配置变成稳定的。

Taking the structure dynamical variables of LFSS as system states, the variable structure model reference adaptive coupling active control system is established.

以LFSS的结构动力学变量为系统状态，建立了变结构模型参考自适应耦合主动控制系统，研究了高阶参考模型和滑态参数矩阵的选择方法。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。