Modeling of planetary gear mechanism based on Simulink and its application in vehicle dynamics modeling

Planetary gear transmission mechanism is the core component of AT transmission. Coaxial arrangement and multi-point contact force transmission make it more convenient to arrange conditions and higher power density. At the same time, the combination connection based on planetary gear row can facilitate the realization of multi-degree of freedom transmission mechanism, which can realize more transmission ratio design on the basis of fewer parts. In this paper, the modeling of planetary gear shift mechanism in vehicle dynamics model based on Simulink is analyzed and studied, which lays a foundation for the establishment of vehicle dynamics model and the adjustment and optimization of shifting strategy.