Abstract
An experimental tendon control system is identified to make an accurate mathematical model for designing a controller. The experimental tendon control system has been constructed for the vibration control of a flexible beam simulating large space structures (LSS). The system has many low-frequency modes of vibration, and a modal survey requires lengthy testing. A proposed scheme needs time histories of responses for a very short period. First, a mathematical model of the system is developed through a finite element method (FEM). Second, unknown characteristic parameters are estimated by using an output error method. The validity of the proposed scheme is demonstrated by good agreement between the transfer functions of the experimental system and an identified model. Finally, the accuracy of the identified model is also verified by the agreement between the computed and the experimental closed-loop responses.
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