期刊
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS
卷 58, 期 4, 页码 3538-3548出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAES.2022.3153429
关键词
Actuators; Steady-state; Convergence; Transient analysis; Neural networks; Mathematical models; Force; Actuator saturation; fragile problem; fuzzy neural control; quantitative prescribed performance; waverider vehicles (WVs)
资金
- Young Talent Support Project for Science and Technology [18-JCJQ-QT-007]
This article proposes a new nonfragile prescribed performance control method for waverider vehicles, which guarantees quantitative prescribed performance in the presence of actuator saturation.
The existing prescribed performance control (PPC) strategies exhibit the fragility and nonguarantee of the prescribed performance when they are applied to dynamic systems with actuator saturation, and moreover, all of them are unable to quantitatively design prescribed performance. This article aims at remedying those deficiencies by proposing a new nonfragile PPC method for waverider vehicles (WVs) such that the quantitative prescribed performance can be guaranteed for tracking errors in the presence of actuator saturation. First, readjusting performance functions are developed to achieve quantitative prescribed performance and prevent the fragile problem. Then, low-complexity fuzzy neural control protocols are presented for velocity subsystem and altitude subsystem of WVs, while there is no need of recursive back-stepping design. Furthermore, auxiliary systems are designed to generate effective compensations on control constraints, which contributes to the guarantee of the desired prescribed performance, being proved via Lyapunov synthese. Finally, compared simulation results are given to validate the superiority.
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