Fuzzy predictive control of hypersonic vehicle based on disturbance observer
2015
Hypersonic vehicle is a complex systems with strong coupling, highly nonlinear, a large uncertainty. In this paper, the adaptive fuzzy predictive control method is applied to the hypersonic vehicle. The adaptive fuzzy system is utilized to approach the composite disturbance. The disturbance observer is designed to observe the composite disturbance, so as to make the adaptive fuzzy system to have the better approximation effect. Then the adaptive law is derived. In addition, the performance of the systema is enhanced by a robust controller. Simulations results show that the hypersonic vehicle can track the desired command signal effectively and the controller have better dynamic and static performances.
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