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Active vibration isolation system to improve free space optics communication

Abdul Muthalif, Asan Gani and Turahim, Khairiah K. and Ab Rahim, Syazwani (2013) Active vibration isolation system to improve free space optics communication. Lecture Notes in Electrical Engineering, 211. pp. 369-378. ISSN 1876-6100

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Abstract

A Free Space Optics (FSO) link consists of a transmitter and a receiver telescope which requires a continuous alignment for successful transmission of data. However due to certain factors, misalignment could occur between the transmitter and receiver telescope which later interrupts data transmission. One of the factors that contribute to this misalignment is unwanted vibration at the transmitter or receiver. This paper outlines the design and implementation of an active vibration isolation system prototype to tackle the problem of misalignment caused by vibration for an FSO communication. A prototype is fabricated and a control sys-tem is implemented with an objective to suppress vibration coming to the top plate where the transmitter or receiver will be placed. By applying an LQR controller to the system, a reduction of 25.8% of plate displacement and 49.2% of amplitude of frequency is achieved at excitation frequency of 12Hz.

Item Type: Article (Journal)
Additional Information: 3352/26673
Uncontrolled Keywords: FSO · LabVIEW · LQR· Active Vibration Isolation
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Kulliyyahs/Centres/Divisions/Institutes: Kulliyyah of Engineering > Department of Mechatronics Engineering
Depositing User: Ir. Ts. Dr Asan Gani Abdul Muthalif
Date Deposited: 29 Mar 2013 09:43
Last Modified: 29 Mar 2013 11:44
URI: http://irep.iium.edu.my/id/eprint/26673

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