Abstract
This paper presents a self-sensing method for semi-active vibration suppression that measures only the value of piezoelectric voltage. The method separates electrical status into two cases concerning electrical current, and characterize each of these to establish a self-sensing system. Experiments revealed that the self-sensing system suppressed vibrations by combining the state-switching control or the synchronized-switching control. We confirmed that the self-sensing method is robust against model errors through the vibration suppression experiment subject to model errors caused by intentional frequency shift.
