ACTIVE STRUCTURAL VIBRATION CONTROL BY UTILIZING SINGLE ACTUATOR AND APPLYING CRITICAL DAMPING CONCEPT IN TWO VIBRATION MODES

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ALAMATIAN J.; Davtalab h.

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Journal Paper

Paper Information

Journal: Sharif Journal of Civil Engineering Year:2019 | Volume:35-2 | Issue:3.1 Page(s): 13-23

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Title

ACTIVE STRUCTURAL VIBRATION CONTROL BY UTILIZING SINGLE ACTUATOR AND APPLYING CRITICAL DAMPING CONCEPT IN TWO VIBRATION MODES

Author(s)

ALAMATIAN J. | Davtalab h. | Issue Writer Certificate

Keywords

Smart structureQ1

active controlQ2

critical dampingQ1

Abstract

In this paper, a new active structural vibration control procedure is presented using the developed critical damping theory. This strategy utilizes the critical damping concept i. e. CD method. In conventional CD algorithm, the effect of first vibration mode was incorporated to formulate the actuator force. Here, the critical damping concept is developed so that the actuator force is calculated by applying the effects of both first and second vibration modes. This strategy improves the efficiency of the critical damping technique. Since the total damping matrix corresponding to the dynamic system should be semi positive definiteness, a novel approach is suggested here for determining the actuator and sensor locations. According to the proposed concepts, a new active control algorithm is obtained. Efficiency and stability of the proposed method is assessed by active control of vibrations of some shear buildings subjected to various dynamic loads. Results demonstrate considerable merit of the proposed active control algorithm compared to the common critical damping method.

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APA: Copy

ALAMATIAN, J., & Davtalab, h.. (2019). ACTIVE STRUCTURAL VIBRATION CONTROL BY UTILIZING SINGLE ACTUATOR AND APPLYING CRITICAL DAMPING CONCEPT IN TWO VIBRATION MODES. SHARIF: CIVIL ENINEERING, 35-2(3.1 ), 13-23. SID. https://sid.ir/paper/128008/en

Vancouver: Copy

ALAMATIAN J., Davtalab h.. ACTIVE STRUCTURAL VIBRATION CONTROL BY UTILIZING SINGLE ACTUATOR AND APPLYING CRITICAL DAMPING CONCEPT IN TWO VIBRATION MODES. SHARIF: CIVIL ENINEERING[Internet]. 2019;35-2(3.1 ):13-23. Available from: https://sid.ir/paper/128008/en

IEEE: Copy

J. ALAMATIAN, and h. Davtalab, “ACTIVE STRUCTURAL VIBRATION CONTROL BY UTILIZING SINGLE ACTUATOR AND APPLYING CRITICAL DAMPING CONCEPT IN TWO VIBRATION MODES,” SHARIF: CIVIL ENINEERING, vol. 35-2, no. 3.1 , pp. 13–23, 2019, [Online]. Available: https://sid.ir/paper/128008/en

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