某雷达有源安装板模态参数辨识研究

 侯守武1,王梅1,付彬2

(1.中国电子科技集团公司 第38研究所,安徽 合肥 230031;2.合肥工业大学 机械与汽车工程学院,安徽 合肥 230009)
摘要:有源安装板是有源相控阵雷达的主承力结构件。运用单点激振频响函数法对某有源安装板进行模态分析;运用单点激励频域模态参数辨识方法得到前六阶模态参数(模态频率、阻尼比及模态阵型),对有源安装板的结构设计、力学分析及制造进行初步验证,为其力学分析模型提供了必要的修正参数。
关键词:有源安装板;试验模态;频响函数;模态参数辨识
中图分类号:TP391.77          文献标志码:A          文章编号:1006-0316 (2013) 12-0036-03
Research on modal parameters identification for a radar fixing-board
HOU Shou-wu1,WANG Mei1,FU Bin2
(1.No.38 Research Institute, China Electronic Technology Group Corporation, Hefei 230031,China;
2.School of Mechanical and Automotive Engineering, Hefei University of technology, Hefei 230009,China)
Abstract:Fixing-board is a main bearing structural part of active phased array radar. Based on the frequency response function of single point drive, the modal analysis of the radar fixing-board was proceed; and the first 6 modal parameters were acquired by the frequency domain method of the modal parameter identification. The structural design, mechanical analysis and manufacture of the fixing-board was preliminarily checked, and the necessary corrected parameter was provided for the fixing-board’s mechanical analysis model.
Key words:fixing-board;experimental modal;frequency response function;modal parameter identification
 
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收稿日期:2013-05-27
基金项目:安徽省科技计划项目(10020203066)
作者简介:侯守武(1980-),男,安徽合肥人,工学博士,主要研究方向为振动与噪声控制;王梅(1973-),女,安徽合肥人,工程师,主要研究方向为雷达天馈系统结构设计和有限元分析;付彬(1990-),男,湖北荆州人,硕士研究生,主要研究方向为数字化设计与制造、CAD/CAE/CAM。
 

 

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