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Title: Design and real-time implementation of a multivariable gyro-mirror line-of-sight stabilization platform
Authors: Tan, K.C. 
Lee, T.H. 
Khor, E.F.
Ang, D.C.
Keywords: Engineering applications
Fuzzy control
Genetic algorithms
Issue Date: 16-May-2002
Citation: Tan, K.C., Lee, T.H., Khor, E.F., Ang, D.C. (2002-05-16). Design and real-time implementation of a multivariable gyro-mirror line-of-sight stabilization platform. Fuzzy Sets and Systems 128 (1) : 81-93. ScholarBank@NUS Repository.
Abstract: Gyro-mirror line-of-sight stabilization platform is a nonlinear, multivariable and highly coupled system. It forms the basis of a wide range of practical instruments used for the purposes of sighting and targeting in both surface and airborne vehicles, which is capable of maintaining the sightline of a mirror when it is subjected to external disturbances. However, a spinning gyro has a property known as precession such that when a torque is applied to one axis, it will contrary to the intuition of mechanics, and results the rotation in the direction of another axis. This behavior poses a problem in controlling the line-of-sight since movement about one axis will cause a coupled movement in the other. In this paper, an efficient full-matrix fuzzy logic controller is designed and implemented for a practical nonlinear gyro-mirror line-of-sight stabilization platform. Both simulation and real-time experimental results demonstrate the effectiveness of the designed full-matrix fuzzy gyroscope control system, which offers an excellent closed-loop response for the transient and tracking performances, with significant reduction in the coupling effect against cross-axis interactions. © 2002 Elsevier Science B.V. All rights reserved.
Source Title: Fuzzy Sets and Systems
ISSN: 01650114
DOI: 10.1016/S0165-0114(01)00161-0
Appears in Collections:Staff Publications

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