The signals of elastic vibrations are fed into the control system of ballistic missile via the attitude measurements, and it will have an effect upon the proper function of control system. 弹道导弹的弹性振动信号通过敏感元件馈入姿态控制系统,影响控制系统的工作,通常借助于相位稳定或增益稳定技术保证弹性振动的稳定。
Results: Pathology analysis: On the 3rd day after PTA, a few proliferating SMCs can be seen in the internal elastic lamina of the control group. While in the irradiation group, no proliferating SMCs can be found. 结果光镜下PTA后3天对照组内弹力板处可见少量增殖的平滑肌细胞,照射组内弹力板处未见增殖的平滑肌细胞;
The deflection trial function is formed by the 24 kinds of particular solutions of the elastic plate_bending control differential equation. 选取薄板弯曲控制微分方程的24类特解序列组合构造挠度试函数。
Application and Research of SN Elastic Grinding Wheel in Numerical Control Lathe Work SN弹性砂轮在数控车削加工中的应用与研究
The restraint of an elastic mechanical arm system under the control of electrical machinery 电机控制下的一类弹性机械手系统的镇定
Linear elastic analysis indicates that control point of compression stress mainly appears in the both ends of the arch and maximum tension stress emerges in dam toe. Corresponding distribution status of stress accords with the law of stress distribution. 通过计算结果的分析,可知坝体压应力控制点主要发生在左右岸拱端处,最大拉应力发生在上游面坝址处,应力分布符合拱坝应力分布规律;
The elastic constants of anisotropic alloys are identified by minimizing the measured and calculated natural frequencies of cylindrical specimens in an optimization procedure, where the elastic constants act as the control variables. 利用共振测量和有限元仿真计算,在一个以材料弹性常数为控制变量的非线性优化过程中,极小化测量与计算了圆柱形试件的固有频率,从而间接地识别出各向异性合金材料的弹性常数。
This paper introduced lumber elastic modulus is a kind of fast testing device for lumber elastic modulus with FFT 、 numerical control and computer technology. 本文介绍开发的板材弹性模量自动检测设备是综合FFT分析技术、数控技术和微机技术开发的一种关于木材杨氏模量和剪切弹性模量的快速测定设备。
Based on the principle of stationary complementary energy applied to free vibration of an elastic body, equations which control the body's stress modes of free vibration are derived and a new approach ( stress approach) for vibration mode analysis of elastic systems is suggested. 基于弹性体固有振动问题的余能变分原理,导出了弹性体固有振动的应力模态方程,进而探讨了一种模态分析的应力方法。
The result indicates that for elastic system three optimal control algorithms are all stable. 数值模拟结果表明:对于小震下的线性系统,基于状态反馈的三种最优控制算法的稳定区间相近,都表现出良好的渐进稳定性;
Elastic Index and Width Control of Filling-wise Spandex Elastic Denim Production of Weft-Stretch Cotton Fabric 含氨纶纬弹牛仔布弹性指标及门幅控制
Robust stability of the aeroservoelastic systems subjected to the perturbation of uncertainties is very important for elastic flight vehicles with automatic flight control systems. 气动伺服弹性系统在不确定性摄动下的鲁棒稳定性问题对于带有自动控制系统的弹性飞行器是非常关键的。
Using elastic suspension to control vibration that engine of motorcycle brings has the advantage of simple and low cost. 应用弹性减振器来控制由摩托车发动机引起的振动,结构简单、成本低。
Theoretical Analysis of Elastic Traffic Rate Control 弹性通信量速率控制理论分析
The traditional methods for vibration solution have the disadvantages of complicated configuration and high cost. Using elastic suspension to control vibration overcomes the disadvantages of traditional methods. 传统解决方法,结构复杂,成本高,采用弹性减振器进行振动控制,克服了传统方法的弊端。
Test research of mental rubber elastic element based on displacement control 金属橡胶弹性元件实验建模研究
Influence of Invariable Elastic Load Simulation on Two-speed Torpedo Control Character 双速制鱼雷固定弹性负载仿真对鱼雷控制品质的影响
Vibration absorbing rule of pseudo elastic system and its control by temperature 伪弹性弹簧的减隔振作用及其温度控制
It is shown that the equivalent force responses subjected to step equivalent force commands have zero steady-state error for linear elastic structures, and the feedback control loop is stable since all parameters in the system are positive. 研究表明:对于线弹性结构试验,反馈控制系统在单步阶跃等效力命令输入下的响应没有稳态误差;当系统中各参数均选正值时,控制系统的稳定条件总能满足。
Finally, a numerical example is provided to illustrate the validity of the means. Finally, the problem of elastic robust dissipative control for uncertain bilinear descriptor systems is researched. 最后用数值算例对所提出方法进行了验证。最后,研究了控制器参数含有不确定性的不确定双线性广义系统的弹性鲁棒耗散控制问题。
This thesis is focused on the influence of elastic vibration on the attitude control system of the slender endo-atmospheric airdefence missiles with lateral jets and aerodynamics control. 本文研究对象为大气层内直接力/气动力复合控制的细长体防空导弹,重点研究了直接力控制引起的弹性振动对姿态控制系统的影响。
Made a further analysis of the gait characteristics of quasi-passive biped robot by real experiment, and proved the influence of the structural parameters, the stiffness of elastic actuator and the control strategies on walking gait characteristics. 最终通过实体样机实验,进一步分析了准被动双足步行机器人的步态特征,并验证了被动机器人结构参数、柔性驱动单元刚度及控制参数对步态特征的影响。
Results: On the sides of distraction with ADM, the bone density, compressive strength, elastic modulus were high than control sides 3 months after distraction. 结果:牵张术后3个月,有ADM的牵张侧其骨密度、抗压强度、弹性模量均高于无ADM一侧。
In recent years, with the fast development of the computer, fractional calculus is used widely in optical system, viscous elastic mechanics, signal process, control system and so on. 近年来,随着计算机的迅猛发展,分数阶微积分在光学系统、粘弹性力学、信号处理、控制系统等领域得到广泛的应用。
The DTX elastic liposomes were confirmed stable in the stability test. 2. The permeability of DTX through porcine skin from elastic liposomes, conventional liposomes and control solution was investigated and compared in vitro. 运用体外扩散池实验研究了DTX弹性脂质体的体外经皮渗透性,并比较了DTX弹性脂质体、常规脂质体和对照溶液经猪皮的渗透性。
This thesis started with analyzing 3D graphics display principle and OSG camera control mechanism; then explored camera switching mechanism with smooth transition effects based on animation camera; developed elastic camera control mechanism with physical property. 论文从分析三维图形显示原理和OSG的相机控制机制入手,研究了基于动画相机的具有平滑过渡效果的视口切换技术,开发了带有物理属性的弹性相机视点。
Thus this thesis puts forward that the development intensity has a range to fit the current elastic control strategies. 由此契合目前的指标弹性控制思路,论文提出开发强度值域化的概念。
As the membrane is elastic material, the traditional control method of the rigid material is not fully suitable to the system. 由于薄膜是柔性材料,传统的对刚性材料的控制方法并不完全适用于本系统。
Taking into account the basic equations and the minimum interval potential energy in elastic mechanics, the control equation of interval finite element method about a two-dimensional problem was set up. 2从弹性力学的基本方程式入手,利用最小区间位能原理建立了考虑多参数不确定性的区间有限元控制方程。