Using esvrst made in china , the road roughness is reappeared with high precision . and the multi - output acceleration expectant stochastic waveforms of independent suspension and bumper are acquired with unchangeable precision 并以独立悬架和保险杠上的响应为对象，以稳定的精度再现了多点输出的加速度随机波形。
A dynamic model for the obstacle height of a off - road vehicle with 4 - axle independent suspension is set up and the main parameters affecting the obstacle performance of a 8 8 all - wheel independent suspension off - road vehicle are analyzed 摘要通过建立四桥独立悬架车辆越障高度动力学模型，分析影响8 8全独立悬架车辆越障性能的主要参数。
Compared with conventional methods , the method applied in this research is simpler , exacter and has a better all - purpose ability . the software designed during the study can do kinematics simulation optimized design of the double - wishbone suspension system 与传统的方法相比，运用多体系统运动学对汽车双横臂独立悬架进行运动学分析，具有简明、精度高和通用好的特点。
Taking the independent suspension system as the research object , the relationship between the parameters of suspension system and the response of dynamic and static vibrational stresses and the acceleration of the vehicle have been studied and the sensitivity of the response to the parameters is obtained 文中以汽车独立悬架系统为研究对象，研究了悬架系统参数与振动动静应力，得出了参数与各响应的敏感性结论。
Furthermore , the method of orthogonal experiment is used to analyse the effect that the structure and fix parameters of double - link independent suspension have on the suspension performance and tyre wear . and the most important factor and the second important factor are confirmed 同时采用正交实验的方法分析了双横臂独立悬架各结构参数和安装参数对悬架性能和轮胎磨损的影响，确定出最大的影响因素及次要因素。
Then , an optimal design to minimize tyre wear is performed , which brings forward the way to reduce tyre wear through optimal choosing and modulating original deposition of double - link independent suspension and optimizing the cut point of track rodin 论文对双横臂独立悬架参数提出以减小轮胎磨损为优化目标，进行了优化设计。提出了通过优选、调整悬架初始位置状态，以及优化确定转向横拉杆断开点位置的方法，来减小轮胎磨损。
The parameters of double - wishbone suspension are very complicated . these all make it difficult to analyze the motion of the double - wishbone suspension . an analyzing and designing method based on multibody system model is put forward in this study 汽车双横臂独立悬架是一种比较复杂的多环路空间机构，其运动直观性差，参数确定相当复杂，给运动分析带来极大的困难，本课题提出了一种基于多体模型的双横臂独立悬架分析和设计方法。
This method possesses more visual property and its result of calculation is more tally with the practical condition when compared with other methods , thus provided a comparatively accurate and practical method for the design of steering trapezoidal mechanism of double wishbone typed independent suspension frame 与其它方法相比，本方法更具有直观性，计算结果更加符合实际情况，为双横臂独立悬架转向梯形机构设计提供了较为精确的实用方法。
By means of establishing the mathematical model and simulative model for double wishbone typed independent suspension frame of certain light - duty lorry and using the adams software to simulate the variation law of front restraint angle of wheel at different positions of splitting points during the moving course of lorry , and verified the correctness and reliability of the simulated result by applying the spatial analytic geometric relation formulae 摘要通过建立某轻型卡车双横臂式独立悬架的数学模型和仿真模型，利用adams软件仿真汽车运动过程中不同断开点位置车轮前束角的变化规律，并用空间解析几何关系式验证了仿真结果的正确性与可靠性。
In this paper , ackerman steering linkage of double - wishbone suspension is taken as the study object , choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics , applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered , and calling off many hypotheses affecting the accuracy , compared with the traditional methods , the models are better to reflect the realistic motion principles , the results are more exact and applicable moreover , the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component , working out the constraint reaction force of up and down ball joints , and developing the current computation program in the end , produce the upper wishbone geometry model in the ansys software package , meshing and carrying out the fea , testifying if the intensity of the wishbone meet with the requirements 本文以双横臂独立悬架的转向传动机构作为研究对象，选择对断开点和节臂球销的位置进行优化设计，在此基础上建立了基于多体系统动力学的导向机构和转向传动机构的数学模型，运用该学科的运动学分析方法研究机构的运动规律，编制了通用优化设计软件。由于考虑了更多的空间因素，取消许多影响准确性的假设，因此建立的数学模型与传统的方法相比更能反映实际运动规律，得到的优化结果也更加精确实用。此外，本文还针对导向机构进行受力分析，在建立该机构的空间动力学模型后，运用多体动力学中的动力学分析方法研究各个杆件的受力，计算出上下球铰的约束反力，并开发出了相应的通用计算程序。
