摘要
汽车动力总成悬置系统振动是汽车振动的主要振源之一,针对传统六自由度模型的不足,建立了动力总成--车身的十三自由度模型,并推导了该模型的动力学方程。采用遗传算法与序列二次算法相结合的方式,对十三自由度动力总成悬置系统进行解耦优化计算,从整车层面提高了悬置系统解耦率。采用ADAMS建立仿真模型验证优化计算结果。最后编写动力总成悬置系统优化设计软件,通过本软件可快速实现动力总成悬置系统优化计算,获取整车环境下动力总成悬置系统的固有频率和解耦率,有效提高了动力总成悬置系统设计的效率。
Vibration of automotive power-train mount system is one of the main source of the automobile.Aiming at the shortcomings of the traditional six degrees of freedom model,the power-train and body sixteen degrees of freedom model has been established.And then the kinetic equation of the model has been deduced.Combining genetic algorithm with sequential quadratic algorithm to optimized calculate the method of decoupling of the power-train mount system,which increase the rate of decoupling and operation efficiency.Simulation model is established by using ADAMS,and the calculated results compared with the results of MATLAB,are basically consistent,which means derived and calculated of the Equations is correct.Finally,a kind of software about optimization vehicle 16 degrees of freedom,through this software,natural frequency and decoupling rate can be quickly and more convenient access to the vehicle power-train mount system,effectively improve the efficiency of the power-train mount system design.
作者
尹帅
杨帆
宁斌
蒋晶
YIN Shuai;YANG Fan;NING Bin;JIANG Jing(School of Mechanical Electronics and Information Engineering of Guangxi Vocational&Technical College,Nanning 530227,China)
出处
《装备制造技术》
2019年第12期32-37,共6页
Equipment Manufacturing Technology
基金
广西职业技术学院院级课题项目(混合动力汽车动力总成悬置系统解耦优化研究)(桂职院[2018]209号181204)。
关键词
悬置系统
十三自由度
解耦优化
mounting system
13 degrees of freedom
decoupling optimized
