Affiliation:
1. Department of Electrical and Electronics Engineering, TOBB University of Economics and Technology, Ankara, Turkey
Abstract
This paper demonstrates a multi-input multi-output (MIMO) robust control approach where multiple scheduled designs are merged to produce a smooth control law. The design is verified using software-in-the-loop (SIL) testing based on blade element theory (BET) for highly realistic flight simulations. An inner-loop attitude controller balances performance and robustness, achieving a fast response time, low overshoot, good noise rejection and minimal lateral–longitudinal coupling. The controllers are formed at several predetermined grid points so the design covers a wide flight envelope. Blade element SIL testing shows that the flight control system preserves stable flight and follows the references well, even under tough weather conditions. The proposed strategy is also compared with a classical autopilot design procedure and is seen to be superior.
Cited by
4 articles.
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1. LQI Control Design with LQG Regulator via UKF for a Fixed-Wing Aircraft;2020 24th International Conference on System Theory, Control and Computing (ICSTCC);2020-10-08
2. Flutter suppression of blade section based on model prediction control;Transactions of the Institute of Measurement and Control;2020-01-06
3. Heading Hold Autopilot Design for Fixed Wing Aircraft;2018 AIAA Guidance, Navigation, and Control Conference;2018-01-07
4. A stability-guaranteed smooth-scheduled MIMO robust emergency autopilot for a lateral surface jammed UAV;Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering;2017-06-14