Navigation and control based on integral-uncertainty observer for unmanned jet aircraft

Wang, Xinhua and Cai, Lilong (2017) Navigation and control based on integral-uncertainty observer for unmanned jet aircraft. IEEE Transactions on Aerospace and Electronic Systems . pp. 1-20. ISSN 0018-9251

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A nonlinear integral-uncertainty observer is presented, which can estimate the integral of measurement output signal and the uncertainty in system, synchronously. In order to be satisfied with the existing hardware computational environments and to select the parameters more easily, a simplified linear version of the nonlinear integral-uncertainty observer is also developed. The effectiveness of the proposed observers are verified through the numerical simulations and experiments: i) through the integral-uncertainty observers, the attitude angle and the uncertainties in attitude dynamics are estimated synchronously from the measurements of angular velocity, and the estimate results by the two observers are compared; ii) a control law is designed based on the observers to drive the jet aircraft to track a reference trajectory.

Item Type: Article
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Keywords: Integral-uncertainty observer, jet aircraft, attitude angle, uncertainty, synchronous estimate
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
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Depositing User: Eprints, Support
Date Deposited: 07 Apr 2017 08:02
Last Modified: 04 May 2020 18:35

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