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This paper presents design, implementation and experimental results of active vibration control of adaptive truss structure using fuzzy neural method. An adaptive truss structure with self-learning active vibration control system is developed. A fuzzy neural network (INN) controller with adaptive membership functions is presented. The experimental setup of a two-bay truss structure with active members is constructed, and the INN controller is applied to vibration suppression of the truss. The controller first senses the output of the accelerometer as an error to activate the adaptation of the weights of the controller, and then a control command signal is calculated based on the INN inference mechanism to drive the active members. Experimental results demonstrate that the active INN controller can effective reduce the truss vibration.