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Title

Comparing semi active control of bridge via variable stiffness and damping systems and MR dampers

Year: 1397
COI: CAUCONF01_0667
Language: EnglishView: 293
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Authors

Fereydoon Amini - Professor of Structural Engineering, College of Civil Engineering, Iran University of science and Technology,
Sara Zalaghi - Research Assistant , College of Civil Engineering, Iran University of science and Technology

Abstract:

Semi active devices can be used to control the responses of a continuous bridge during earthquake excitation. They are capable of offering the adaptability of active devices and stability and reliability of passive devices. This study proposes two semi-active control method protection of bridge using variable stiffness and damping systems and MR dampers. The first method is variable stiffness and damping with eight different (on-off) control schemes which is optimized with genetic algorithm. Genetic algorithm is used to define the parameters of this method. In the second method, an intelligent controller using fuzzy control of MR damper is developed. In particular, a fuzzy logic controller is designed to determine the command voltage of MR dampers. In order to evaluate the effectiveness of the proposed method, the performances of the proposed controllers are compared in numerical study. Results reveal that the developed controllers can effectively control both displacement and acceleration responses of the continuous bridge.

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Paper COI Code

This Paper COI Code is CAUCONF01_0667. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/775771/

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Amini, Fereydoon and Zalaghi, Sara,1397,Comparing semi active control of bridge via variable stiffness and damping systems and MR dampers,Conference on Civil Engineering, Architecture and Urban Planning of the Islamic World,Tabriz,https://civilica.com/doc/775771

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Type of center: دانشگاه دولتی
Paper count: 22,347
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