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Tuned mass damper (TMD) has been used for the vibration controller of building, especially for high rise buildings. TMD is one of the passive devices for reducing the response of the structure subjected to dynamic external disturbance such as wind, or earthquake load. TMD used its weight for reducing the vibration, TMD’s frequency is set to the structure’s frequency so that the frequency should be in resonance to each other for reducing the response of the structure during the dynamic load. Therefore, three variables have a significant effect for TMD performance, which are the mass ratio of TMD, the frequency ratio of TMD, and the damping ratio of TMD, which lead to two important variables of TMD properties, stiffness, and damping of TMD. This paper developed an empirical equation for obtaining the optimum parameters of tuned mass damper based on the H2 norm control system and fast multi swarm optimization (FMSO). The objective function was to minimize the acceleration and displacement response of the structure. The result shows a strong correlation both the mass ratio of TMD to the frequency ratio of TMD and the mass ratio of TMD to the damping ratio of TMD.

Parameters optimization of tuned mass damper using fast multi swarm optimization