驾驶室翻转系统回程颤动DOE优化
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摘要
针对驾驶室翻转系统存在的回程颤动问题,对驾驶室翻转系统回程的工作原理进行了简要描述,并运用DOE全因子实验设计方法得出单向阀球径是驾驶室翻转系统回程颤动问题的最佳优化方向;对单向阀启闭过程分别进行静力学和动力学分析,并运用AMESim软件建模分析,结果发现单向阀的启闭过程不稳定。因此,在软件ANSYS Workbench中以最小颤动距离为目标函数,以单向阀球径为设计变量进行合理优化。优化后的驾驶室翻转系统消除了回程颤动,并且满足工程要求,可以应用到工程实际中。
In allusion to the issue of chatter in cab tilt system return stroke,the principle of cab tilt system return stroke was described.And DOE(Design of Experiment)was conducted to summed up that sphere diameter of check valve was the optimal direction of chatter in cab tilt system return stroke. The statics analysis and dynamics analysis were conducted on start and stop process of check valve,and the software AMESim was also used to make modeling analysis,the result showed that the start and stop process of check valve was not steady. Therefore,minimum chatter distancewas selected as objective function while the sphere diameter of check valve was built as design variable in software ANSYS Workbench. The optimized cab tilt system eliminated the chatter in return stroke,and it can also satisfy the demand of engineering and it can apply to practical engineering case.
In allusion to the issue of chatter in cab tilt system return stroke,the principle of cab tilt system return stroke was described.And DOE(Design of Experiment)was conducted to summed up that sphere diameter of check valve was the optimal direction of chatter in cab tilt system return stroke. The statics analysis and dynamics analysis were conducted on start and stop process of check valve,and the software AMESim was also used to make modeling analysis,the result showed that the start and stop process of check valve was not steady. Therefore,minimum chatter distancewas selected as objective function while the sphere diameter of check valve was built as design variable in software ANSYS Workbench. The optimized cab tilt system eliminated the chatter in return stroke,and it can also satisfy the demand of engineering and it can apply to practical engineering case.
引文
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[5]朱碧霞.汽车驾驶室液压翻转升降系统中混入空气的危害和处理[J].汽车科技,2013(3):72-76.(Zhu Bi-xia.Hazard and treatment of air in vehicle cab hydraulic turnover lifting system[J].Automobile Science&Technology,2013(3):72-76.)
[6]李新德.液压系统故障诊断与维修技术手册[M].北京:中国电力出版社,2009.(Li Xin-de.Manual Hydraulic System Fault Diagnosis and Maintenance Technology[M].Beijing:China Electric Power Press,2009.)
[7]纪国华,李彦,胡艳.集成QFD、TRIZ、CAPP与DOE的产品创新设计模型[J].机械设计与制造,2010(10):62-64.(Ji Guo-hua,Li Yan,Hu Yan.Product innovation design model integrated with QFD,TRIZ,CAPP and DOE[J].Machinery Design&Manufacture,2010(10):62-64.)
[8]桑桔.MiniTab在统计分析中的应用[J].上海统计,2003(12):41-43.(Sang Jie.The application of MiniTab in atatistical analysis[J].Shanghai Statistics,2003,2(12):41-43.)
[9]陈定方,卢国强.现代设计理论与方法[M].武汉:华中科技大学出版社,2010.(Chen Ding-fang,Lu Guo-qiang.Modern Design Theories and Methods[M].Wuhan:Huazhong University of Science and Technology Press,2010.)
[10]孙玲玲.基于QFD和DOE的产品优化设计研究[D].杭州:浙江大学,2011.(Sun Ling-ling.Research of product optimization design based on QFDand DOE[D].Hangzhou:Zhejiang University,2011.)