Vol.28o.11 丁能根等：基于协同仿真技术的车辆非线性平顺性分析 .1051. [11]Goncalves J P C.Ambrosio J A C.Optimization of vehicle [12]李君，喻凡，张建武·基于道路自动识别ABS模糊控制系 suspension system for improved comfort of road vehicles using 统的研究，农业机械学报，2001(5)：26 flexible multibody dynamics.Nonlinear Dyn.2003.34:113 Nonlinear ride analysis of vehicles based on co simulation DING Nenggen,BO Ying,RAN Xiaofeng,JIANG Yong2) 1)Department of Automobile Engineering,Beijing University of Aeronautics and Astronautics.Beijing 100083.China 2)Vocational School of Technology.Dalian Fisheries University.Dalian 116300.China ABSTRACI Due to various nonlinear factors in vehicle suspension,the time domain method applicable to solve a nonlinear model can obtain more accurate ride analysis results.Considering the limitation of single software,the concurrent simulation technique was adopted to analyze the ride performance of a nonlinear vehicle model.The nonlinear vehicle model was built using mechanical system simulation software ADAMS.The road surface model,tire model and driver model were constructed using S function in the MATLAB/Simulink.With the randomly generated road data as input,the simulation model was built and run under the MATLAB/Simulink.The results were imported to ADAMS.An example of ride analysis based on co-simulation was given,and the root mean square value of weighted acceleration on sprung mass and tire dynamic loads was calculated according to the data of time history response.The results of ride analysis show that the co-simulation approach is reasonable and reliable and turns out to be adequate for time-domain ride analysis of a nonlinear vehicle model. KEY WORDS vehicle dynamics:ride;nonlinear model:co-simulation (C)1994-2021 China Academic Journal Electronic Publishing House.All rights reserved.http://www.c［11］ Goncalves J P C‚Ambrosio J A C．Optimization of vehicle suspension system for improved comfort of road vehicles using flexible multibody dynamics．Nonlinear Dyn‚2003‚34：113 ［12］ 李君‚喻凡‚张建武．基于道路自动识别 ABS 模糊控制系 统的研究．农业机械学报‚2001（5）：26 Nonlinear ride analysis of vehicles based on co-simulation DING Nenggen 1）‚BO Y ing 1）‚RA N Xiaofeng 1）‚JIA NG Yong 2） 1） Department of Automobile Engineering‚Beijing University of Aeronautics and Astronautics‚Beijing100083‚China 2） Vocational School of Technology‚Dalian Fisheries University‚Dalian116300‚China ABSTRACT Due to various nonlinear factors in vehicle suspension‚the time domain method applicable to solve a nonlinear model can obtain more accurate ride analysis results．Considering the limitation of single software‚the concurrent simulation technique was adopted to analyze the ride performance of a nonlinear vehicle model．The nonlinear vehicle model was built using mechanical system simulation software ADAMS．The road surface model‚tire model and driver model were constructed using S function in the MATLAB／Simulink．With the randomly generated road data as input‚the simulation model was built and run under the MATLAB／Simulink．The results were imported to ADAMS．An example of ride analysis based on co-simulation was given‚and the root mean square value of weighted acceleration on sprung mass and tire dynamic loads was calculated according to the data of time history response．The results of ride analysis show that the co-simulation approach is reasonable and reliable and turns out to be adequate for time-domain ride analysis of a nonlinear vehicle model． KEY WORDS vehicle dynamics；ride；nonlinear model；co-simulation Vol．28No．11 丁能根等： 基于协同仿真技术的车辆非线性平顺性分析 ·1051·