Fuzzy logic for control of roll and moment for a flexible wing aircraft
- 1 June 1991
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Control Systems
- Vol. 11 (4) , 42-48
- https://doi.org/10.1109/37.88591
Abstract
A fuzzy-logic based multi-input/multi-output roll controller designed for the Advanced Technology Wing (ATW) aircraft model is presented. The ATW integrates active controls with a flexible wing structure to provide optimal wing shapes to meet particular flight performance criteria. The use of a fuzzy controller for roll rate and load alleviation control was investigated. Fuzzy rules were developed to determine the appropriate control surface deflections to achieve the desired roll rate while ensuring that wing loads are within safe bounds. The modulation of the damping factor is according to the distance of the system state from the goal state. This damping modulation technique allows full utilization of the vehicle's acceleration capability and resulted in an improvement of the response time by a factor of two. The resultant fuzzy controller commands six surface deflections to control the roll rate and four torsion moments.Keywords
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