液力自动变速器行星轮系结构和特点分析

Study on Planetary Gear Schematic and Characteristics of Automatic Transmission

本文就商用车液力自动变速器的行星轮系结构和特点进行分析和讨论。以目前主流的液力自动变速器行星轮系为例，结合其换挡逻辑表，总结其设计的原则和指导思想，对自动变速器的开发提供了参考。

This paper discusses and analyzes the planetary gear schematic and characteristics of automatic transmissions. By introducing the current mainstream schematic of commercial vehicle automatic transmissions, analyzing their clutch shifting charts and giving a conclusion on their design principles and guidelines, the article offers useful reference information for AT development.