The earthquake action calculation for multi-DOF structures with base-isolation is studied systematically.

对多自由度基础隔震结构的地震作用取值问题进行了系统研究。

In view of this, A Multi-DOF robot system based on movable and rotatable platform is proposed in this thesis.

鉴于此，本文提出了一种基于移动摇摆平台的多自由度机器人系统的设计方案。

The analysis method proposed in the paper can be applied to the flutter stability analysis for a multi-DOF aeroelastic system with time-delayed feedback control.

本文建立的分析方法可推广应用于带延迟反馈控制的多自由度气动弹性系统的颤振稳定性分析。