1. 研究目的与意义（文献综述）

the opening report

崔驿（车辆gi1403 0121428250307）

1.purpose and significance (including domestic and foreign research status analysis)

2. 研究的基本内容与方案

2.the basic content, objectives, proposed technical solutions and measures for research (design)

(1）design (paper) main content:

(a) master the working principle of planetary gears and transaxles;

3. 研究计划与安排

3.schedule

1-2 (19th and 20th weeks of 7th semester) confirm graduation design topics, graduation design assignments (related parameters), and collection of information on campus

4. 参考文献（12篇以上）

4.no less than 15 references were read (including no less than 3 foreign documents in the last five years)[1]谢进利. phev中差动行星轮式动力合成器的虚拟样机仿真与基于advisor的整车性能分析[d]. 南京农业大学, 2009.

[2]周兆华. 电动汽车驱动桥设计及疲劳寿命分析[d]. 哈尔滨工业大学, 2015.

[3]厄尔贾维克, 厄尔贾维克, 韩爱民,等. 汽车自动变速器与变速驱动桥[m]. 机械工业出版社, 1998.