电邮这篇文章 Modeling the work of the automotive differential with internal friction in the system for calculating the multi body dynamics
- 作者: Chichekin I.V.1, Shuranova A.A.1
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隶属关系:
- Bauman Moscow State Technical University
- 期: 卷 15, 编号 4 (2021)
- 页面: 73-82
- 栏目: Original Study Articles
- URL: https://bakhtiniada.ru/2074-0530/article/view/105611
- DOI: https://doi.org/10.31992/2074-0530-2021-50-4-73-82
- ID: 105611
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The work is devoted to the operation of an automobile differential of suspended friction modeling in the system for calculating the dynamics of coupled bodies. The model was developed in the RecurDyn application for calculating the dynamics of rigid and deformable bodies from the FunctionBay company.
The aim of the work is to develop a mathematical model of the differential with friction washers and to confirm the adequacy of its operation. The developed mathematical model of the differential is tested for the possibility of its subsequent use in modeling the transmission of a vehicle in the calculating the dynamics of coupled bodies system. In this work, a model of the differential has been created and described in detail. The model was used for the analysis of kinematics and dynamics. Methods of modeling a simple symmetric differential and a self-locking one are shown based on one mathematical model. The well-known analytical dependences describing the kinematic and force laws of the ratio of angular velocities and torques between the output links and the differential housing are given. A method for calculating and modeling the friction torque in the differential was selected and described. An equation describing the frictional moment in the differential is presented.
A virtual test bench was developed and described. Afterwards it was used for differential operation simulation. Load modes that are equivalent to various driving conditions of a real automobile are selected, their quantitative parameters are given. In this work, the criteria for evaluating the performance of the differential model are selected. The results of modeling for all load modes are given. According to those results the adequacy of the developed mathematical model of the differential with friction washers is proved. The proposals on the use of the developed model are given.
作者简介
I. Chichekin
Bauman Moscow State Technical University
编辑信件的主要联系方式.
Email: chichekin_iv@bmstu.ru
PhD in Engineering
俄罗斯联邦, MoscowA. Shuranova
Bauman Moscow State Technical University
Email: arina1999_arina@mail.ru
俄罗斯联邦, Moscow
参考
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