一种新的多维随机振动试验控制算法——矩阵微分法  

A new algorithm for MIMO random test control-matrix differential method

作　　者：高贵福 王刚[1] 赵保平[1] 

机构地区：[1]北京机电工程研究所,北京100074

出　　处：《强度与环境》2008年第5期38-42,共5页Structure & Environment Engineering

摘　　要：介绍了多维随机振动试验的应用必要性和前景,就多维随机振动试验控制算法问题进行了讨论,提出了一种新的多维振动控制算法——矩阵微分法,在国内现有的公开发表的文献中该方法首次实现了对自功率谱密度、互谱密度、互谱相位和相干系数的同时控制,用双台振动试验模型进行了数值仿真,证明了该方法的有效性。The importance and foreground of MIMO （Multiple Input and Multiple Output） random test is introduced firstly, and then the topic of algorithm for MIMO random test control is discussed. A new algorithm for MIMO random test control -Matrix differential method is put forward. By using this method, PSD （Power Spectrum Density）, CSD （Cross Spectrum Density）, phase, and coherence can be controlled at the same time, which is realized for the first time among the domestic literatures delivered openly. A numerical simulation is given based on the dualshaker model, which proves the validity of this method.

关 键 词：多维随机振动试验 控制算法 矩阵微分法 

分 类 号：TB534[理学—物理]