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    Hybrid tracking controller with attached tuned mass damper
    (John Wiley & Sons Ltd, 2013) Bozer, Ali; Altay, Gulay
    The optimization of tuned mass damper (TMD) involves the attachment of a damper to a TMD unit. Although this supplementary damping renders TMD to be operational under broad bandwidth inputs (i.e., wind excitation), it also considerably decreases the efficiency. In this paper, an alternative approach is suggested to eliminate the requirement for supplementary damping, hence to utilize TMD in full efficiency. For this purpose, combined structure/undamped TMD system is equipped with an active controller to track the response of an oscillator with natural frequency set to the operating frequency of the TMD unit. In this case, a proposed controller does not aim returning a system to its zero state; instead, it supports the TMD unit to suppress vibration effectively. This tracking type controller is formulized by both linear quadratic regulator, and H infinity control schemes, and control performances of each system are evaluated through numerical simulations. Copyright (C) 2011 John Wiley & Sons, Ltd.