Kinematics and Dynamics Analysis and Simulation of the NGW Type Differential Mechanism

Liu Ting; Cui Peijuan; Wang Chunming; Xiao Chong; Yue Zhenbo; Beijing Research Institute of Precise Mechatronic Controls Equipment

doi:10.16578/j.issn.1004.2539.2015.12.023

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Kinematics and Dynamics Analysis and Simulation of the NGW Type Differential Mechanism

更新时间：2022-10-20

- Kinematics and Dynamics Analysis and Simulation of the NGW Type Differential Mechanism
- Vol. 39, Issue 12, Pages: 105-110(2015)
- 作者机构：
  
  1. 北京精密机电控制设备研究所
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2015.12.023
  CLC：
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[1]刘亭,崔佩娟,王春明,肖羽,中岳,振波.NGW型差速器的运动学和动力学分析与仿真[J].机械传动,2015,39(12):105-110.

Liu Ting, Cui Peijuan, Wang Chunming, et al. Kinematics and Dynamics Analysis and Simulation of the NGW Type Differential Mechanism. [J]. 39(12):105-110(2015)
[1]刘亭,崔佩娟,王春明,肖羽,中岳,振波.NGW型差速器的运动学和动力学分析与仿真[J].机械传动,2015,39(12):105-110. DOI： 10.16578/j.issn.1004.2539.2015.12.023.

Liu Ting, Cui Peijuan, Wang Chunming, et al. Kinematics and Dynamics Analysis and Simulation of the NGW Type Differential Mechanism. [J]. 39(12):105-110(2015) DOI： 10.16578/j.issn.1004.2539.2015.12.023.

摘要

对NGW型行星差速器进行了运动学和刚体动力学理论分析及ADAMS仿真。运动学分析表明该机构能实现速度综合,两输入轴可以不同的转速差速运转。刚体动力学分析如下,推导出了在加减速情况下齿轮之间的切向力、行星架和行星轮之间的作用力与两输入转矩与两输入角加速度之间的关系式;推导出了两个输入的角加速度与输入和负载转矩之间的关系式;推导出了负载转矩与两输入转矩和两输入角加速度之间的关系式;太阳轮与和它啮合的多个行星轮之间的力幅值相等;内齿圈与和它啮合的多个行星轮之间的力幅值相等;角加速度的相互关系满足运动学关系。ADAMS仿真结果与理论分析结果一致,证明了理论分析的正确性。分析结论可以应用于频繁加减速的多余度机电作动系统中差速器的性能分析。

Abstract

The kinematics and rigid- body dynamics theoretically analysis and the ADAMS simulations of the NGW type planet differential mechanism are carried out. The kinematics analysis show the results that the mechanism can realize the velocity synthesis and differential operation with different speed of two input shafts.Through the rigid- body dynamics analysis,the results as following. Firstly,the relations among the two input angular accelerations,two input torques,the interaction forces between the planet carrier and the planetary gear,the meshing forces at a tangent between gears in case of acceleration and deceleration are derived. Secondly,the relation between the two input axes angular accelerations and two input torques and one load torque is derived. Thirdly,the relation between load torque and the two input torques and two input axes angular accelerations is derived. Fourthly,the force amplitudes between the sun gear and its planetary gears are equal to each other. Fifthly,the force amplitudes between the internal gear ring and its planetary gears are equal to each other. Lastly,the interrelation relationships of the angular accelerations are matched with kinematics relationships.The simulation results by ADAMS are consistent with theoretical consequences. The theoretical analysis is proved to be correct. The results can be applied to performance analysis of the differential mechanism in redundant electromechanical servo actuation systems in case of acceleration and deceleration.

关键词

NGW型行星差速器运动学刚体动力学Adams仿真

Keywords

NGW type planet differential mechanismKinematicsRigid body dynamicsAdams simulation

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