Optimal design of the structural model for the semiactive control design and the model-based semi-active control

本文研究了半主动控制结构模型和基于模型的半主动控制律的同时优化设计问题。由于具有结构阻尼的一般结构系统的稳定性和半主动控制装置本身的耗能特性，所有的半主动控制系统基本上是渐近稳定的。利用半主动控制系统的稳定性特性，对控制系统设计的模型参数和基于模型的半主动控制律中的参数进行同时优化，使闭环系统具有精确逼近真实结构系统动态行为的详细动力学模型，并利用该模型得到的半主动控制律用于控制系统设计而不考虑建模误差。采用遗传算法进行优化。仿真研究表明了该方法的有效性。

In this study, a simultaneous optimal design of a structural model for the semi-active control design and a model based semi-active control law has been studied. All semi-active control systems are essentially asymptotically stable because of the stability of general structural systems with structural damping and the energy dissipative nature of the semi-active control device itself. With the stability nature of semi-active control systems, parameters of the model for the control system design and those in the model-based semi-active control law were optimized simultaneously so that the closed-loop system with the detailed dynamic model that accurately approximates the dynamic behavior of the real structural system and the semi-active control law obtained with the model for the control system design without considering the modeling error. The genetic algorithm was adopted to the optimization. The effectiveness of the present approach was shown with simulation studies.