Abstract
In this paper, the active vibration controller design for isolation platform with digital signal processor implementation is presented. Three active vibration control techniques are compared in two control structures. In the feedforward control structure, adaptive controller using filtered-x least mean square algorithm with synthetic vibration reference is presented. In feedback control structure, the linear quadratic gaussian theory is used to employ for controller synthesis. Moreover, a hybrid control structure that combined feedforward and feedback control structures to obtain the desired robust performance and fast convergence is proposed. The experimental works are carried out to evaluate the proposed systems for reducing the vibration on test platform. The comparison of three control structures and experimental results are described in this paper.
