Estudo da realimentação derivativa via projeto LMIs aplicado no controle de vibração de uma estrutura de dois graus de liberdade

Abstract

This paper is devoted to design dynamic system controllers by way of Linear Matrix Inequalities (LMIs) and apply them to the mathematical model of a two-degree- of-freedom structure, in order to control its vibration. In the design of these controllers, instead of using the states or the output as feedback signals, which is the most conventional way, the state-derivative vector will be used as feedback (state-derivative feedback control). This strategy was chosen because of its ease of implementation in systems that use accelerometers as sensors to measure states, in this case, a mechanical vibration system.