^pof;
Automation;
Science;
and;
Electrical;
Engineering,;
Beihang;
University,;
Beijing;
100191,;
China;
^pand;
Technology;
on;
Aircraft;
Control;
Laboratory,;
Beihang;
University,;
Beijing;
100191,;
China;
优化设计方法; 液压系统; 亥姆霍兹; 三自由度; 共振器; 建模; 集总参数模型; 牛顿第二定律;