On the basis of these models,the operating principle and operating mode of dual planetary gears mechanism were analysed. The curve of perfect variable drive ratio was designed,the results coincides the curve of perfect variable steering ratio of the actual BMW.
在建立模型的基础上,分析了主动前轮转向系统的机械转向主要部件双行星齿轮机构的工作原理和工作模式,设计了理想变传动比特性曲线并进行了仿真验证,其结果与实际宝马主动转向系统变传动比曲线相吻合。
参考来源 - 汽车主动前轮转向系统的特性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
详细介绍了主动转向系统的结构和组成，以及核心部件双行星齿轮机构的工作原理及工作模式。
The structure and makeup of active steering system, the operating principle and operating mode of dual planetary gear mechanism are introduced in detail.
文中推导了拉维娜式行星齿轮变速器的单排双行星轮式齿轮机构的运动特性方程式。
This paper derives the motion property equation of the one-row and two-planets gears for Ravigneaux planetary transmission.
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