The influence of the material types on the dynamic friction was studied by the technique of acoustic emission. 利用声发射技术研究了材料类别对动态摩擦状态的影响。
The Design of Dynamic Friction Measure System of Rolling Linear Guides 滚动直线导轨副摩擦力动态测量系统设计
For the problem of parameter variation and nonlinear dynamic friction compensation, a recurrent-neural-network ( RNN)-based adaptive-backstepping control ( RNABC) for servo system was proposed. 针对伺服系统的系统参数摄动和非线性动态摩擦补偿问题,提出基于递归神经网络(RNN)的自适应反步控制(RNABC)系统设计方法。
Adaptive Dynamic Friction Compensation of Hydraulic Simulator 液压转台的自适应动态摩擦补偿研究
A dynamic friction compensation method is proposed to compensate the system friction force. 最后,论文对摩擦力动态补偿方法进行了试验研究。
A smooth robust adaptive controller is developed to compensate for the nonlinear dynamic friction and uncertain nonlinearities in the precision turntable system. 为了抑制不确定非线性项,加入了无抖振滑模控制项。
An adaptive fuzzy integral type sliding mode control method based on GA was proposed to control single-axis motion control system with nonlinear dynamic friction. 提出一种基于GA的自适应模糊积分型滑模控制策略,并将其用于具有非线性动态摩擦力的单轴运动控制系统中。
Dynamic Friction Compensation to Hollow Axis Hydraulic Servo-Motor 中空式电液伺服马达中摩擦力矩的动态补偿
The relationship between static and dynamic friction coefficients of the rigid blocks with smooth surfaces has been studied preliminarily by means of a dynamic test of rigid blocks in this paper. 本文通过刚块动力模型试验,对具有光滑表面刚性块体的动、静摩擦系数关系进行了初步探讨,并以模型试验结果验证了离散元数值模型的正确性。
Study on Acoustic Emission Technology Applied in the Process of Dynamic Friction 声发射技术在动态摩擦过程中的应用研究
The surface transition layer makes the film surface smoothness greatly improve and the dynamic friction coefficient decrease. 镀有过渡膜的样品具有最为平整的表面形貌和最小的表面动摩擦系数。
Prediction on wellhead outflow performance by dynamic friction coefficient of gas wells 利用气井动态摩阻系数预测井口流出动态
Through the experiment research on the friction of the disk brake of the shaft winding in the different pressure, surface rough and oil pollution, the static and dynamic friction of the disk brake were calculated. 通过对矿井提升机盘式制动器在不同压力、表面粗糙度和油污状态下闸瓦和闸盘之间的摩擦力的试验测定,进一步得出闸瓦、闸盘间静摩擦系数和动摩擦系数。
Study on the Coefficient of Dynamic Friction Between Frictional Metal Material 金属摩阻材料间摩擦系数与滑动速度关系的研究
And the dynamic friction coefficient is determined by simulation and comparison. 用与分布参数键图模型仿真对比研究的方法,确定了动态摩擦系数。此模型适合工程应用。
Studies have revealed that the performance of wet friction materials have a large influence on dynamic friction coefficient and load capacity. 根据研究表明,湿式摩擦材料的性能对动摩擦系数和承载能力有很大的影响。
Test& analysis of dynamic friction torque of bearings 轴承动态摩擦力矩的试验分析
The model takes the bond-graph model of sectionalized-centralized parameter of a general pipeline as the basis, compares with distributed parameter model and the method of characteristic in pipeline, adds in the dynamic friction term. 此模型以一般管路分段集中参数键图模型为基础,通过与分布参数模型和管路特征线法的对比研究,在模型中增加了动态摩擦项。
This paper puts forward firstly the model of sectionalized-centralized parameter of a pipeline with dynamic friction. 本文首次提出了包含有动态摩擦的管路分段集中参数模型。
Study on measuring method of rotational inertia and dynamic friction moment of slewing gear 回转机械转动惯量和动摩擦力矩测试方法
Friction Vibration(ⅱ) Relation between Dynamic Friction and Sliding Velocity 摩擦振动(二)(二)动摩擦力与滑动速度的关系
Based on well knowing the friction mechanism, this paper absorbs advanced research results in this field, summarizes the strongpoint and insufficiency of traditional friction compensation methods, and proposes a dynamic friction compensation method according to a new friction model ( LuGre friction model). 本文在对摩擦机理深入了解的基础上,吸收了国内外在该领域的先进研究成果,总结了传统摩擦补偿方法的优点及不足,提出了基于新型摩擦模型(即LuGre摩擦模型)的动态补偿方法。
It is shown that the actual dynamic friction force model coincides pretty well with the theoretical one. 实验结果表明:实际动摩擦力模型与理论模型吻合。
When selecting brake shoe, the dynamic friction coefficient must fulfill the request of both brake capability and stability. 选择鼓式制动器摩擦片时,动摩擦系数的选择既要满足制动性能,同时也要满足稳定性。
Statistic method is used to analyze the correlation between static contact area and dynamic friction force. The results clarify that there is a linear correlation with significant level. 应用统计学方法对静态接触面积与动态摩擦力进行了相关分析,结果表明二者具有显著水平的线性相关关系。
The dynamic friction model based on the bristle friction model is first linearized and parameterized, which includes linearization and parameterization of stribeck effect; 首先,对基于bristle模型的动态摩擦力模型进行了线性参数化,该线性参数化过程包含了对stribeck效应的线性参数化处理;
A new type of vibration friction-wear test machine has been developed, which can automatically and synchronously measure and record the dynamic friction force ( coefficient of friction) and the resultant pressure of a sample in vibrating and loading condition. 我们研制了一种多用途的振动摩擦磨损试验机。试件在振动与加载同时作用下能自动、同步的测量和记录动态摩擦力(摩擦系数)与合成压力。
The amplitude range of SPCC steel during uniaxial tension is greater than the process of dynamic friction. SPCC钢的单向拉伸过程中的声发射信号幅度分布范围要大于摩擦过程的幅度分布范围。
Orthodontic friction was divided into static friction and dynamic friction. Orthodontic sliding greatly depended on static friction. 正畸摩擦力分为静摩擦力和动摩擦力,正畸滑动更大程度上依靠静摩擦力。
The article also analyzed the damping characteristics after add the dynamic friction model and the obtained the equivalent damping ratio through system identification method. 本文还分析了加入动态摩擦模型后系统的阻尼特性以及通过系统辨识方法得到系统的等效阻尼比。