某机载雷达多自由度振动试验控制方法比较  

Comparison of Air-borne Radar's MDOF Vibration Test Control Methodologies

作　　者：司中柱[1] 刘继承[1] 易顺希 

机构地区：[1]南京电子技术研究所,南京210039 [2]苏州广博力学环境实验室,苏州215011

出　　处：《环境技术》2015年第1期5-8,共4页Environmental Technology

摘　　要：根据机载雷达实测振动数据,在三轴振动台上,采用不同振动控制方法,对机载雷达单元进行了多自由度振动试验。比较了雷达单元在不同振动控制方法下的安装点响应与参考谱的偏差。试验结果表明:相比于方阵控制,长方阵控制中的坐标变换控制(Input/Output控制)方法在进行多自由度振动试验时,可实现真正意义上的平均控制,振动的传递更为均匀。According to the vibration data measured by airborne radar, this paper adopts different vibration control methods to operate the MDOF vibration test for the air-borne radar unit on the three axis vibration table. Then it compares the deviation between mounting point response and reference spectrum of radar unit in different vibration control methods. The test results show that comparing with square control, when operating the MDOF vibration test, I/O transformation control methodology of square control is able to realize the average control in its true sense and uniform vibration transmission.

关 键 词：多自由度振动 方阵控制 坐标变换控制 振动响应 

分 类 号：V216.5[航空宇航科学与技术—航空宇航推进理论与工程]