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Preliminary design of sliding mode controller for angular positional tracking of an aircraft

Jones, Lim Jen Nee and Tan, Chee Pin and Man, zhihong and Akmeliawati, Rini (2009) Preliminary design of sliding mode controller for angular positional tracking of an aircraft. In: the 7th Asian Control Conference (ASCC 2009), 27-29 Aug 2009, Hong Kong.

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Sliding mode controllers are known to be robust to parameter changes and capable of rejecting disturbances. Most sliding mode controllers were implemented on aircraft models that were derived based on the aircraft's body axes. The aircraft model in this paper are derived from an energy based modeling technique where the aircraft dynamics can be defined by Euler-Lagrangian equations that makes decoupling of aircraft dynamics simple and straightforward. It is possible to do so since these equations can be derived from the inertial axes of the aircraft instead of the aircraft's body axes. The nature of these equations makes it easy to implement the sliding mode controller on all the angular positions of the aircraft for the purpose of tracking a reference trajectory. Parameter changes and disturbances were also introduced as part of the evaluation procedure in few sets of simulations to prove how well these angular positions can be tracked. The controller designed to achieve angular positional tracking includes a nominal feedback controller and a sliding mode compensator. The performance of the controller presented are measured using root-mean-square error values and maximum errors for roll, pitch and yaw. Results presented shows good tracking performances throughout entire flight trajectory that includes a one-sided engine failure, a 90 degree turn and rotations in the pitch angle.

Item Type: Conference or Workshop Item (Full Paper)
Additional Information: (5806/14158 (Proceedings of the 7th Asian Control Conference, Hong Kong, China, August 27-29,2009,ISBN: 978-899560569-1))
Uncontrolled Keywords: Aircraft dynamics; Angular positions; Engine failures; Euler-Lagrangian; Flight trajectory; Maximum error; Modeling technique; Nominal feedback controller; Parameter changes; Pitch angle; Preliminary design; Reference trajectories; Root-mean square errors; Sliding mode controller; Sliding modes; Tracking performance
Subjects: T Technology > TJ Mechanical engineering and machinery > TJ212 Control engineering
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Mechatronics Engineering
Depositing User: Prof. Dr. Rini Akmeliawati
Date Deposited: 05 Jan 2012 13:59
Last Modified: 09 Jan 2012 11:17
URI: http://irep.iium.edu.my/id/eprint/14158

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