Estudio experimental de un amortiguador de masa sintonizada tipo péndulo

Abstract

Abstract: This study analyzes and experiments with a Pendulum-Type Mass Damper (PTMD), covering its design, construction, experimental testing, and the development of a reliable predictive model. Digital modeling of the PTMD and its tuning framework was carried out, ensuring a modular design. Experimental testing began by determining the most appropriate formulation to describe the pendulum's dynamic behavior, comparing the equations for simple and physical pendulums. Subsequently, the performance of the coupled system and its individual components was evaluated, considering different configurations. To this end, the period and theoretical and experimental angular accelerations of the free pendulum (without damping) were analyzed, as well as the response of the structure without and with PTMD. The results confirmed the correct construction and validation of the PTMD, obtaining satisfactory fits in both the individual systems and the coupled system. A relative error of 0.33% was obtained for the theoretical and experimental accelerations of the structure without PTMD, and a difference of 10.88% for the same responses when PTMD was incorporated. Furthermore, the comparison of the accelerations showed a reduction of almost 60% in vibration amplitudes, validating the effectiveness of PTMD and its predictive model for future research.