COMPLEX NONLINEAR MATHEMATICAL MODEL FOR A KIND OF VEHICLE SHOCK ABSORBORS |
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| Authors: | Tan Runhua Hebei University of Technology Chen Ying Zhejiang UniversityLiu Baoshan Automobile Shock Absorber Factory of Tianjin Lu Yongxiang Chinese Academy of Sciences |
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| Affiliation: | Tan Runhua Hebei University of Technology Chen Ying Zhejiang UniversityLiu Baoshan Automobile Shock Absorber Factory of Tianjin Lu Yongxiang Chinese Academy of Sciences |
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| Abstract: | A nonlinear mathematical model for the shock absorber in TJ7100 is developed. The oil compressibility and the entrapped gas in the oil are considered in the model. As a result, the hysteresis in the force velocity diagram is included. The results of computer simulation and the experiment are basically identical. The MATLAB/SIMULINK is used for the development of the simulation software. It is found that the pressure inside the cylinder is high if the inputs of velocity or displacement are big by simulation. This is certainly one of the main reasons for which the leak is appeared between the rod and the seal of the shock absorbers for a relatively short time in China. |
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| Keywords: | Shock absorber Nonlinear mathematical model Simulation Experiment |
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