Adaptive Control of Hypersonic Flight Vehicles With Limited Angle-of-Attack

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Abstract
This paper designs a high-performance adaptive controller for the uncertain model of hypersonic flight vehicles (HFVs) proceed by faulty and hysteretic actuators. A parameterized HFV model is derived, based on which adaptive tracking controllers for velocity and altitude are designed, sequentially. Compared with other adaptive strategies that mainly focus on the parametric uncertainty and asymptotic tracking, the utilization of prescribed performance control technique can largely improve the transient characteristics of HFVs. A novel handling on angleof- attack (AOA) is proposed with the help of barrier functions. As a result, the magnitude of AOA is limited to match the requirement of the scramjet. Partial loss of effectiveness (PLOE) of actuators is also taken into account, while the backlash hysteresis in aerodynamic control surfaces is accommodated by an adaptive inverse compensation. Corresponding analysis shows that both the limited AOA and the desired performance can be guaranteed despite PLOE of actuators. A simulation study is provided to verify the effectiveness of the proposed controller.
Funding Information
  • National Natural Science Foundation of China (61525303, 61503099, 41772377, 61673130)
  • National Postdoctoral Program for Innovative Talents (BX201700064)
  • Self-Planned Task of State Key Laboratory of Robotics and System (SKLRS201713A)
  • Top-Notch Young Talents Program of China

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