山地果园运输车电助力转向系统的设计与分析  

Design and analysis of electric power steering system for mountain orchard transport vehicle

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作  者:吴伟斌[1,2,3] 李泽艺 王玉兴 游展辉[1] 张震邦 刘文超 侯晓捷 李志鹏 WU Wei-bin;LI Ze-yi;WANG Yu-xing;YOU Zhan-hui;ZHANG Zhen-bang;LIU Wen-chao;HOU Xiao-jie;LI Zhi-peng(College of Engineering,South China Agricultural University,Guangzhou 510642,China;Division of Citrus Machinery,China Agriculture Research System,Guangzhou 510642,China;Guangdong E&T Research Center for Mountainous Orchard Machinery,Guangzhou 510642,China;College of Electronic Engineering,South China)

机构地区:[1]华南农业大学工程学院,广东广州510642 [2]国家柑橘产业技术体系机械研究室,广东广州510642 [3]广东省山地果园机械创新工程技术研究中心,广东广州510642 [4]华南农业大学电子工程学院,广东广州510642

出  处:《河北农业大学学报》2018年第6期110-114,共5页Journal of Agricultural University of Hebei

基  金:中缅边境地区果园轻简化运输机及其配套技术与机具的研究与示范(201403036);公益性行业(农业)科研专项合作研究任务(201403036);“十二五”农村领域国家科技计划课题研究子任务(2014BAD16B0103).

摘  要:山地果园运输车因其工作灵活可靠成为山地果园中较为常用的运输设备。针对山地果园运输车运行速度慢、转向力矩大及工作不平稳等问题,利用电动助力转向系统EPS(Electrical Power Steering System)设计一款动力可分离的自动转向机构,以实现运输车自主运行时的转向功能,提供实现自动转向功能的底层硬件基础。首先应用传统的机械设计方法对减速机构进行参数计算,并建立三维模型,然后运用计算机仿真软件对整体进行优化设计。结果表明,电助力转向系统的性能参数满足设计要求。With its flexibility and reliability working in the mountain orchard as transport equipment,Mountain orchard transporter become more and more common.Aiming at the problems such as slow running speed,large steering torque and unstable working,a switchable automatic steering mechanism is designed with EPS(Electrical Power System)to realize the steering function,and provide the foundation of hardware to automatic steering.On the basis of computer aid design,the traditional mechanical design method is used to calculate the parameters of the decelerating mechanism,and the three-dimensional model was established.Finally,the computer simulation software was used to optimize the whole designing.The results show that the performance parameters of the electric power steering system meet the design requirements.

关 键 词:山地果园 EPS 机械设计 参数化建模 仿真分析 

分 类 号:S24[农业科学—农业电气化与自动化;农业科学—农业工程] S237

 

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