The dynamical equation of a relative-rotation nonlinear dynamical system with nonlinear elastic force and common friction and harmonic excitation is deduced.
建立具有一般非线性弹性力、广义摩阻力和谐波激励的一类相对转动非线性动力系统的动力学方程。
On the basis of experimental study, and through introducing the normalized Bouc-Wen model, a new dynamical friction model structure is proposed.
在对摩擦特性实验研究的基础上，通过引入规范化的Bouc-Wen模型，提出了一个新的动摩擦力模型结构。
According with the actual job requirements and related product sample of friction welding machine, the relative parameter on the ground of demand of the line and style book of proportional valve has been estimated. The dynamical property of a several links have been analyzed step by step.
根据摩擦焊机的实际工作要求及相关产品样本，做出有关参数估计，逐步分析了系统及电液比例阀各个环节的动态性能。
SHPB method with passive confined pressure was used to study the dynamic mechanical behavior of powder metallurgy friction material under quasi-one dimensional strain state, the dynamical poisson ratio, dynamical young's modulus and dynamical compressive yield strength were obtained.
用被动围压的SHPB实验方法，研究了粉末冶金摩擦材料准一维应变动态力学响应，分析了实验结果与围压套筒的关系，得到了该材料的动态泊松比，动态杨氏模量，动态压缩强度。
Via modified Elman dynamical artificial neural network, nonlinear parameters prediction model of non-lubrication mechanism considered influence of friction and flexibleness was established identification model to identify and forecast the motive parameters of flexible mechanism.
应用改进的Elman动态神经网络技术，建立摩擦影响下的无润滑柔性机构非线性运动参数预测模型，对柔性机构的运动参数进行实时辨识和预测。
Dynamical simulation on the pressure response of load system of linear friction welding machine
线性摩擦焊机施力系统压力响应动态仿真
Nonlinear Dynamical Characteristics and Bifurcation Control of Self-excited System with Friction
摩擦自激振动系统的非线性动力学特征与分岔控制研究
It is urgent require to study friction welding of high temperature alloy and heat-resisting steel, which used in hot dynamical parts of tank, vessel engine, etc.
高温合金与耐热钢的摩擦焊接成型与控制是坦克、舰船发动机等热动力部件连接发展的迫切需要。
Nastran, dynamical analysis with ADAMS, modeling flexible multibody of brake system with both software. Among these, the paper pays much attention on flexible contact friction between drum and shoe.
ADAMS进行动力学分析，共同建立了制动器总成多柔体模型，其中重点研究了鼓和摩擦片之间的柔性接触摩擦问题。
This paper explain how to transform MM200 friction and wear tester to dynamical testing friction coefficient testing machine by loading sensor? PCI data acquisition card.
利用荷重传感器、PCI数据采集卡将MM200型摩擦磨损试验机改造成具有动态测试功能。
Experiments indicate that ultrasonic vibration can minish the friction between contacted surfaces. The acoustic levitation and dynamical pressure lubricating ability of ultrasonic vibrating surfaces is proved through investigation, and practical application of the ability is achieved too.
研究证实，超声振动可以减小接触表面间的摩擦，不仅如此，超声波振动表面所具有的声悬浮与动压润滑能力，也已被研究证实并获得了实际应用。
Because of insufficient time, this paper does not implement switch between dynamical friction coefficient and a static one, then no harsh can be simulated.
由于时间的关系，本文没能实现制动器在制动过程中动摩擦系数和静摩擦系数之间的转换关系问题，所以没有仿真出制动器的颤振现象；
There are almost many kinds of nonlinear factors in the real dynamical systems in engineering, such as: clearance, dry friction, bearing oil film in the mechanical systems and the constitutive relations of the nonlinear composite materials.
工程中的真实动力系统几乎总包含有各种各样的非线性因素，例如机械系统中的间隙、干摩擦、轴承油膜，非线性材料本构关系，等等。丝光沸石单胞铝原子数与晶胞参数非线性相关；
In the end the dissertation analyzes the dynamical balance model of the scanner crawling in the circumstance of the pipeline at a uniform velocity and gain maximum friction moment to offer a gist for selecting driven motor.
最后本文分析了匀速圆周运动条件下扫查器的驱动平衡模型，得到磁轮最大摩擦力矩，为选择扫查器的驱动电机提供依据。