Abstract
Nonlinear equivalent spring resistance model and Coulomb friction model is used to construct a dynamic mathematical model for a multi-body system, which contains clearance. In the paper an internal combustion engine dynamic model has created for simulated analysis. It shows that joints accuracy and driver speed have obvious effects on crank slider dynamic disturbance. Also joints clearance and the increase of driver speed lead to lower positional accuracy, worse stability and reliability, which has very important theoretical significance and practical value on the analysis of the performance of internal combustion engine.
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