阻尼力

通过比较各控制策略的阻尼力峰值和平台宽度，得到模糊PID控制策略的效果最优。

By comparing the peak damping force and platform width among three control strategies , the effect of fuzzy-PID control strategy is considered to be best .

这样在研究中，可以采用开环控制方式或力反馈控制方式实现阻尼力的控制。

Damping force can be controlled in one of the two ways , open loop control or force feedback control .

然而，对基于MR阻尼器的结构振动控制设计和仿真，这种反映阻尼力-电压关系的逆向动特性模型是十分重要的。

This force voltage relationship is especially required for the structural vibration control design and simulation using MR dampers .

MR阻尼器能提供可以调节的阻尼力，适合用作减少结构地震响应的半主动控制器。

MR damper can provide variable damping forces . It is suitable to be used as semi-active controller to reduce seismic response of structures .

摩托车磁流变减振器阻尼力的影响因素分析与MATLAB仿真；

The analysis of the factors that effect damping force of motorcycle MR shock absorber and MATLAB simulation have been done .

利用MATLAB进行了仿真，分析了泡沫金属的结构参数对阻尼力影响规律。

Using MATLAB to carrying out simulation and analyzed the law of affection of the structural parameters of foam metal on the damping force .

通过将运动微分方程中的理想干摩擦阻尼力展开为Fourier级数，取级数展开的第一项作为近似，求出了振幅及相位差角的一般表达式。

By expanding the friction to Fourier series , gets the first item to approximate , so obtains the general expressions about amplitude and phase .

利用MATLAB对模型系统进行了计算机仿真研究，并侧重实现了输出阻尼力的自适应控制算法。

Simulations of the model system are carried out by employing MATLAB language . Particularly , the adaptive control algorithm used to calculate the output damping force is realized .

将所提出的MR阻尼器不对称滞环模型应用在二自由度四分之一汽车模型，并用空挂控制律来实现对MR阻尼器阻尼力的自动调节。

The proposed asymmetric model of an MR-damper is employed in a 2-DOF " quarter-car " model , and the " skyhook " control law is applied to implement variable damping deduced from the MR-damper .

利用MR阻尼器阻尼力可以调节的特性能实现对结构响应的半主动控制，直接根据结构的响应对MR阻尼器实施状态跳跃控制。

The semi-active control for structures can be realized by utilizing the characteristics of adjust ￣ able damping force of MR dampers . The state jump control can be implemented using the measured structural response .

其中，主要研究了电流控制器的主电路和驱动电路，通过仿真试验得出输出PWM波占空比与电流的关系，电流与阻尼力之间的关系。

It main study and analyze the current circuit and conclude that relations of duty ratio of PWM - current and current – damper force by simulation test .

由于速度响应直接影响MR阻尼器的阻尼力，建议用速度响应作为MR阻尼器进行状态切换的变量。

As the damping force of MR dampers is greatly influenced by the velocity response , the velocity response was suggested here as the state-jump parameter for MR dampers . Two examples were given in this paper .

利用软钢的双线性本构关系，依据经典力学原理推导建立了X形和三角形钢板阻尼器的阻尼力滞回模型。

Based on double linear constitutive model of mild steel , damping force hysteresis loop models of the X-type and the triangle type mild steel dampers are derived from classic mechanical principle directly .

在设计过程中，讨论了MR液体工作间隙对阻尼器性能和阻尼器的两个重要指标：阻尼力大小和动力可调范围的影响，并得到了最为优化的工作间隙。

In the course of the design , it is discussed that the working gap of MR fluid exerts influence on two key indexes of the damp force and dynamic range and the optimum gap size is calculated .

结合流体力学基本理论以及CFD技术，完成低速工况下减振器复原阻尼力的计算并得到内部流场的分布特征。

Combined the fluid dynamics theory and CFD technology , the internal flow field distribution characteristics and rebound damping force have been calculated under the low-speed conditions .

该模型假设MR阻尼器的阻尼力由3项构成：气囊力、MR流体粘性阻尼力以及由于磁场作用所引起的阻尼力。

This MR damper model assumes that the damping force of the MR damper consists of three parts : gas chamber force , viscous damping force of MR fluid , and damping force duo to the applied magnetic field .

X形和三角形钢板阻尼器的阻尼力模型（Ⅱ）&基于R-O本构关系

Damping force hysteresis loop models for X type and triangle mild steel dampers (ⅱ) & based on Ramberg-Osgood constitutive model

基于Bingham塑性模型提出了磁流变减振器阻尼力的实验模型。

Based on Bingham plasticity model , the damping force experimental model of MR fluid damper is put forward .

CDC是一个电子减震系统，明显提高驾驶安全性，舒适性，以及动态最佳调整阻尼力对每个车轮。

CDC is an electronic damping system that noticeably increases driving safety , comfort , and dynamics by adjusting damping forces optimally for each individual wheel .

这主要是因为神经网络具有很好的泛化能力，对于非训练样本也能得出满意的结果，并且，连续的控制电流使MR产生的实际阻尼力能更好的跟踪模糊主动控制力。

This is mainly because the neural network has a good generalization , the non-training samples can be obtained satisfactory results , and , for the current to control the actual MR damping force can take the initiative to better control the tracking fuzzy .

阻尼器为速度相关型，在低速区阻尼力与速度为非线性关系，高速区可由Bingham模型近似描述。

The damping force and velocity relation was nonlinear in lower velocity region , and was approximated by Bingham model in higher velocity region .

实验和分析表明，合理地控制MRF阻尼器的阻尼力则可以获得较常规的气动动力机构更优的静、动态特性。

The experimental results show the static and dynamical property of the pneumatic power mechanism can be improved by controlling the resistance of the MRF-damper reasonably .

提出了一种基于对称和不对称Sigmoid函数，描述半主动可控磁流变液（MR）阻尼器阻尼力一相对速度（F-v）数学模型。

A hysteretic force-velocity ( f-v ) model based on the symmetric and asymmetric sigmoid functions is proposed to characterize the semi-actively controllable magneto-rheological ( MR ) fluids damper .

论文主要通过CFD仿真模型对粘滞阻尼器进行了动力测试，通过加载不同频率、不同幅值的正弦简谐荷载，得出粘滞阻尼器的阻尼力、位移和速度之间的曲线，分析粘滞阻尼器的相关性能。

By loading different frequencies and amplitude of the sine harmonic load , the curve of the damping force , displacement and speed can be got to analyze the related functions of the Fluid Viscous testing .

对自行研制的双出杆剪切阀式磁流变减振器进行了实验研究，获得了不同振幅、频率、电流强度下的阻尼力变化曲线，从不同的侧面获得了MRF阻尼器的动力性能。

The dynamical characteristics of self-made shearing-valve mode damper are analyzed in detail through experiments on its dynamic parameters such as damping force , displacement , velocity , frequency and electric current , etc.

首先，在分析磁流变液组成及特点的基础上，利用Bingham流体理论推导了剪切阀式磁流变阻尼器的阻尼力模型。

Firstly , based on the analysis to the ingredients and essential characteristics of MR fluid , damping force model for shear-valve MR damper is deducted theoretically by using Bingham Fluid Theory .

与试验结果相比该模型能较好地描述MRD阻尼力的滞回非线性特性。不对称滞回特性是一种特殊的非线性性质。

Comparing with experimental data under different excitation conditions ( frequency and amplitude ), the model results revealed that the proposed model could accurately describe the hysteresis nonlinear properties of MRD .

分析了冲击载荷作用下胶泥流体缓冲器的工作原理，基于Maxwell粘弹性流体模型，推导出阻尼力的数学表达式。（2）胶泥吸能器减振性能的验证。

Based on the Maxwell viscoelastic fluid model , analyzed the working principle of the elastomer damper under impact , and then deduced the mathematical expressions of damping force . ( 2 ) The vibration reduction for validation of the elastomer damper .

基于磁流变体本构关系的Bingham模型，在对自行研制的双出杆剪切阀式磁流变减振器进行实验研究的基础上，对影响磁流变减振器阻尼力的各种因素进行了综合分析。

The damping force of a MRF damper was analyzed using Bingham model and all the factors having effect on the damping force of a MRF damper were discussed by studying the experimental data of self-made MRF shear-valve damper .

分析和研究了电流变液（ERF）在环型极板间流动的力学特性，建立了ERF的阻尼力与控制电场之间关系的理论模型。

This paper focuses on analyzing and investigating the mechanical behavior of ERF semi active damper . Theoretical model is developed to describe the relationship between electric field and the resistance of ERF flowing through concentric annulus electrodes .