1. 研究目的与意义（文献综述）
1.purpose and significance ofsuspension design
1.1．definition, composition and function of suspension
suspension system is one of theimportant parts of automobile chassis assembly. it is a general term for allthe force transmission devices between the frame or the load-bearing body andthe axle or wheel. specifically, the suspension transmits the vertical reactionforce ( vertical support force), longitudinal reaction force ( braking forceand driving force) and lateral reaction force (cornering force) of the road tothe wheel and the moment generated by these forces to the vehicle body, so asto ensure the normal driving of the vehicle.[1]there are manydifferent structural forms of modern automobile suspension, but generallyspeaking, it is composed of elastic elements, damper andguidingmechanism.these three parts play the role of buffering, damping and guidingrespectively. in the process of driving, the suspension can slow down theimpact force caused by the uneven road surface, ensure the comfort of ridingand the integrity of goods, rapidly attenuate the vibration caused by theelastic system, transmit the vertical, longitudinal and lateral reaction forcesand moments, and play a guiding role, so that the wheels move relative to thebody according to a certain track. suspension determines the stability, comfortand safety of a car, and is one of the most important parts of a modern car.[2,3]
2. 研究的基本内容与方案
2．basic content of the design
（1）analyze the structure of thesuspension and its components of the automatic lightelectric vehicles;
（2）determine the structure design schemeof the suspension and its components of the automatic light electric vehicles;
3. 研究计划与安排
time work submissions 1-2（7th select thetopic assignment book data collection assignment book 3-4（8thsemester 1st-2ndweeks ） design scheme thesis proposal literaturesearch thesis proposal literaturesearch 5（8thsemester 3rdweek） translation collect dataagain translation 6（8thsemester 4thweek 3.19） Capstonepresentation PPT Thesis defensenotes 7～8（8thsemester 5th-6thweeks） design andcalculation sketch thedraft Calculation and sketching draft 9～11（8thsemester 7th-9thweeks ） Drawing draft Paper draft Drawing draft Paper draft 12～15（8thsemester 10th-13thweeks） Paper and drawing Paper and drawing internship（8thsemester 11th-12thweeks） internship internshipreport internshipreport 16（8thsemester 14thweek） Presentation aplication examine thedrawing and paper Graduation designkit 17（8thsemester 15thweek） Graduation thesisdefenses PPT grade
4. 参考文献（12篇以上）
references
[1]王解生.设计计算与有限元分析相结合在前悬架设计中的应用[j].机械工程师,2015(06):96-97.
[2]梁媛媛,龙道江.麦弗逊悬架的设计及其优化[j].汽车实用技术,2016(12):54-57.
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