期刊
IEEE TRANSACTIONS ON FUZZY SYSTEMS
卷 30, 期 1, 页码 270-278出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TFUZZ.2020.3036706
关键词
Aerospace control; Control systems; Real-time systems; Indexes; Vehicle dynamics; Transient analysis; Stability criteria; Fuzzy approximations; hypersonic flight vehicles (HFVs); optimal performance; real-time performance; single-network adaptive critic design
资金
- Young Talent Support Project for Military Science and Technology [18-JCJQ-QT-007]
This article discusses the design of nearly optimal tracking controllers for hypersonic flight vehicles, utilizing concise fuzzy approximations and single-network adaptive critic design. Simulation results verify the superiority of this approach.
Optimal performance is extremely important for hypersonic flight control. Different from most existing methodologies, which only consider basic control performance including stability, robustness, and transient performance, this article deals with the design of nearly optimal tracking controllers for hypersonic flight vehicles (HFVs). First, main controllers are developed for the velocity subsystem and the altitude subsystem of HFVs via concise fuzzy approximations. Then, optimal controllers are nearly implemented utilizing single-network adaptive critic design. Moreover, the stability of closed-loop systems and the convergence of optimal controllers are theoretically proved. Finally, compared simulation results are given to verify the superiority. The special contribution is the application of a low-complex control structure owing to the critic-only network and advanced learning laws developed for fuzzy approximations, which is expected to guarantee satisfied real-time performance.
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