N° d’ordre 2008-ISAL-0043 Année 2008 Semi-passive vibration control using shunted piezoelectric materials By Saber Mohammadi A thesis submitted in fulfillment of the requirements for the degree of Doctor of Philosophy School of doctorate: Electronic, Electrotechnic and Automatic (EEA) INSA - Lyon Lyon, France 2 July, 2008 Advisory Committee: Prof. A. Agbossou (Committee Member) LOCIE - Université de Savoie Dr. Y. Bernard (Committee Member) LGEP - Université Paris-Sud Prof. L. Gaudiller (Chairman) LaMCoS - INSA-Lyon Prof. D. Guyomar (Advisor ) LGEF- INSA-Lyon Prof. J. Pouget (Committee Member) IJLRDA -Université Pierre et Marie Curie Prof. C. Richard (Co-advisor ) LGEF- INSA-Lyon LGEF Laboratory, Department of Electrical Engineering, INSA-Lyon