A novel continuous torsional vibration dynamics model of rotary machinery was established, which was based on the Lagrange equation.
在考虑传动系统连续分布质量的基础上,采用拉格朗日方程建立了旋转机械传动系统的连续动力学模型。
Basis on the dynamics model of the product package system, the response of vibration environment in fragility part of this system is calculated with the method of pulse response.
以包装件的力学模型为依据,用脉冲响应法求解产品中易损零件对振动环境的响应。
A rigid controller for the unmeasured vibration states was designed and a compensatory method for the impact on position control caused by system dynamics was given.
针对振动状态的不可测量性,应用刚性控制规律设计了控制器,给出了一种补偿系统动力学对位置控制影响的方法。
Vibration measurement and analysis technology is important branch of mechanical dynamics, and it is the universal aspect of the application of the mechanical dynamic engineering.
振动信号采集与分析技术是机械动力学和电子技术相结合的一门崭新的学科,是机械动力学工程应用的一个极为普遍的方面。
The question of coupled vibration of fluid-conveying pipes is hotspot in the research areas of pipeline fluid Mechanics and Nonlinear Dynamics for late fifty years.
输流管道耦合振动问题是近五十年来管道流体力学、非线性动力学等领域研究的热点。
According to the actual operational condition of engine, calculate dynamics with different rotational speed and breakout pressure, and get the surface vibration speed stage of engine.
根据车用发动机的实际使用工况,在不同转速及爆发压力下对其进行动力学计算,得到发动机的表面振动速度级。
Linear equation with one unknown, parabolic equation and nonlinear damped vibration equation well fit to describe the dynamics of Lou soil buffering rate or value.
一元线性方程、抛物线方程及非线性阻尼振动方程对描述土壤缓冲速率及缓冲量动力学具有适应性;
Compared with normal hammers, it has a lot of advantages, such as lower noise, no exhaust gas, less vibration, high piling energy and better dynamics characteristics.
与传统打桩锤相比较具有噪声小、无污染、振动小、打击能量高等优点,符合环保要求,并具有良好的动力学特性。
Based on calculation of the shafting dynamics model of unit, the value of unbalance mass of runner correspond to the value of vibration quantity in the testing site was obtained.
根据建立的机组轴系动力学模型,计算得到了测试位置处振动量所对应转轮的质量不平衡量值的大小。
Time domain dynamics response, frequency response function and root mean square value are taken to evaluate the vibration influence on the light-beam propagation performance quantitatively.
提出了将时域动态响应、频率响应函数和均方根值作为机械振动对光束传输性能影响的定量评价值。
We employ the algebraic method to study the molecular highly excited vibration, especially the dynamics of dissociation and transition states.
本文利用代数方法研究了分子高激发振动态,尤其是过渡态和解离态的动力学。
Satellite dynamics environment is a test that must be undergone by a wave-front corrector used for space optical system and random vibration environment is an important factor among them.
波前校正器应用于空间光学系统必然要经历卫星动力学环境,随机振动环境是其中一个很重要的影响因素。
For the structural dynamics problem, including flow induced vibration, the response analyses under earthquake and loss coolant accident loadings are studied.
结构动力学问题研究了包括流致振动、地震和失水事故的结构响应分析。
Based on mechanical and electrical analytical dynamics, we established equations about vibration coupled with mechanics and electrics in AC motor set.
应用机电分析动力学的理论建立了交流电机组的机电耦联振动方程组。
In order to study chaos movement, Accurate solution of non-linear free vibration differential equation is by solving a kind of free vibration equation of non-linear dynamics system.
为了研究混沌运动,对一类非线性动力系统的自由振动方程进行了求解,继之给出了单层扁锥面网壳非线性自由振动微分方程的准确解。
The development of physics has brought a new and broad views to harness the environmental problems on sound, light, heating, vibration and air dynamics.
环境物理学的兴起,从声、光、热、振动和空气动力等方面入手,为治理环境带来了广阔的前景。
A problem about tubing string vibration caused by the fluid unsteady flow inside tubing string is studied from the Angle of solid liquid coupling vibration in dynamics.
文章从动力学中固液耦合振动的角度出发,研究了油管柱内流体不稳定流动引起的油管柱振动问题。
Reducing the order of a large structural finite element model is important in improving the efficiency of finite element analysis in the field of structural dynamics and vibration.
对大型复杂结构振动有限元模型进行减缩降阶,是使结构有限元模型可有效地用在结构动力分析和振动计算方面的一个重要措施。
An inorbit identification vibration control method for flexible space structures was developed in which the dynamics parameters are identified using the eigensystem realization algorithm (ERA) method.
该方法运用特征系统实现算法辨识得到系统的动力学参数,然后利用辨识得到的参数设计最优控制器,抑制结构的振动。
The vibration of tower cranes will cause greater dynamic stress, and the modal analysis is to determine the vibration characteristics of its structure and serves as the foundation of other dynamics.
塔式起重机的振动会引起较大的动态应力,模态分析就是确定其结构的振动特性,也是其他动力学的基础。
Rolling stock dynamics, vibration and multi-disciplinary research of running side by side of control are the front subject of solving the vehicle vibration problem at present.
机车车辆动力学、振动和控制的多学科的并行研究是当前解决车辆振动问题的前沿课题。
Dynamic vibration equation of drilling string is established based on the theory of dynamics.
根据动力学理论建立钻柱动力学振动方程。
Usually , the vibration phenomena can not be explained by the theory of the pure lateral vibration and the pure torsional vibration of rotor dynamics.
转子动力学的纯弯曲振动理论和纯扭转振动理论一般不能解释这一现象。
The effect of entropy of vibration on the dynamics of forming nucleus of solidification processing was discussed and a expression for the rate of forming nucleus during solidifying was put forward.
围绕振动熵对凝固过程形核动力学的影响进行了讨论,提出了关于体现振动熵影响的凝固形核率的表达式。
The dynamics model of non-sinusoidal vibration system of crystallization utensil driven by elliptical gears was established, and its dynamics equation was derived.
建立了椭圆齿轮驱动的结晶器非正弦振动系统动力学模型,推导了动力学方程。
Based on rotor dynamics and the basic principle of gear mesh, this paper sets up the lateral-torsional coupling vibration theory of a general geared rotor-bearing system.
基于转子动力学和齿轮啮合基本原理,建立了一般齿轮耦合轴系弯扭耦合振动方程。
It is one of the most important contents to accurately compute the vibration characteristics of self-propelled artillery in the launch dynamics study.
准确计算自行火炮的振动特性是发射动力学研究的重要内容。
Recently, the research and exploration of the active suspension and the vibration control system are the international foreland issue in the field of vehicle dynamics.
近年来,主动车辆悬架及其振动控制系统的研究和开发是车辆动力学领域的国际性前沿课题。
The first method was loaded tooth contact analysis(LTCA), the second method was to solve nonlinear dynamics equation and the third method is to integrate torsional vibration model with LTCA.
论述了螺旋锥齿轮动力学研究的三种主要方法,即加载接触分析(LTCA)、解多维非线性方程组的方法,以及加载接触分析与周向振动模型结合的仿真分析方法。
The gear dynamics analysis is, according to the theory of vibrate dynamics, to study the basic rule of vibration, shock and noise which created by gear system while transferring power and motion.
齿轮动力学分析是利用振动力学理论,研究齿轮系统在传递动力和运动过程中振动、冲击、噪声的基本规律,对齿轮传动的降噪、降振非常重要。
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