Modelling and control for vibration suppression in a large flexible structure with jet thrusters and piezoactuators

Active control of vibrations is a fundamental subject in the field of large flexible space structures. The paper discusses the problem of modelling and simulation of a laboratory structure equipped with both air jet thrusters and piezoactuators, which is not a trivial issue in the latter case, and proposes four different control systems, both centralised and decentralised, using either or both kind of actuators, in order to exploit their specific features at their best. Some experimental results are also presented