Robust adaptive control for a MEMS vibratory gyroscope |
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Authors: | J. Fei C. Batur |
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Affiliation: | 1. Department of Mechanical Engineering, University of Akron, Akron, OH, 44325-3903, USA
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Abstract: | This paper presents an adaptive sliding mode controller for a microelectromechanical systems (MEMS) vibratory z-axis gyroscope. The proposed adaptive sliding mode controller can real-time estimate the angular velocity and the damping and stiffness coefficients. The stability of the closed-loop system can be guaranteed with the proposed adaptive sliding mode control strategy. The numerical simulation for MEMS gyroscope is investigated to show the effectiveness of the proposed control scheme. It is shown that the proposed adaptive sliding mode control scheme offers several advantages such as real-time estimation of gyroscope parameters and large robustness to parameter variations and external disturbance. |
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