新型双线圈磁流变液减摆器结构设计与实验  

Structural Design and Experiment of a Late-model Double Coil Magnetorheological Fluid Shimmy Damper

作　　者：刘秀 祝世兴[2] LIU Xiu;ZHU Shi-xing(Aviation Engineering Institute, Jiangsu Aviation Technical College, Zhenjiang, Jiangsu 212132;Aviation Engineering Institute, Civil Aviation University of China, Tianjin 300300)

机构地区：[1]江苏航空职业技术学院航空工程学院,江苏镇江212132 [2]中国民航大学航空工程学院,天津300300

出　　处：《液压与气动》2020年第8期101-105,共5页Chinese Hydraulics & Pneumatics

基　　金：航空工业集团产学研专项项目(cxy2013MH35);2020年度院级课题资助项目(JATC20010106);2019年度院级课题资助项目(JATC19010109)。

摘　　要：依据某型无人机前起落架对减摆器的要求,以磁流变液为工作介质,设计了新型磁流变液减摆器。采用Maxwell对减摆器进行仿真,分析减摆器磁路可行性;采用田口法对减摆器结构参数进行优化,并依据优化结果设计减摆器具体结构参数;利用疲劳试验机验证减摆器的阻尼特性,得到减摆器基本符合设计要求的结论。According to the requirement of shimmy damper of a certain type UAV's nose landing gear,this paper designed a late-model of shimmy damper with Magnetorheological Fluid.Maxwell is used to simulate the damper and analyze the feasibility of the magnetic circuit of the damper;Taguchi method is used to optimize the structural parameters of the damper,and the specific structural parameters of the damper are designed according to the optimization results;the damping characteristics of the damper are verified by fatigue testing machine,and the conclusion that the damper basically meets the design requirements is obtained.

关 键 词：磁流变液 减摆器 磁场强度 田口法 阻尼特性 

分 类 号：TH137[机械工程—机械制造及自动化]