Journal
AEROSPACE SCIENCE AND TECHNOLOGY
Volume 79, Issue -, Pages 518-530Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ast.2018.06.013
Keywords
Automatic Carrier Landing System (ACLS); Cauchy Mutation Pigeon-Inspired; Optimization (CMPIO); Multilayer design; Parameter optimization
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Funding
- National Natural Science Foundation of China (NSFC) [61333004, 61425008, 91648205]
- Graduate Innovation Foundation for Beihang University [YCSJ-01-2016-11]
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The parameter adjusting in Automatic Carrier Landing System (ACLS) is a time-consuming and tedious task. In order to improve the efficiency of the adjusting task and overcome the difficulties in the manual parameter adjustment, a multilayer optimization strategy, in which ACLS is clearly divided into four layers including inner loop, autopilot, guidance control and guidance compensation, is proposed in this study and adopted for the parameter design. Besides, a novel algorithm, named Cauchy Mutation Pigeon Inspired Optimization (CMPIO) which is inspired by Cauchy distribution, is proposed to optimize ACLS parameters in each layer. Comparative simulations are conducted to verify the feasibility of the multilayer design strategy and the superiority of CMPIO. To enhance the authenticity of the simulations in the guidance compensation layer, some stochastic conditions are considered with different deck motion, air wake and radar noise turbulences alleviated by several rejection methods. The simulation results prove that the designed ACLS based on the multilayer design strategy satisfies the acknowledged criteria including the time and the frequency domain. Furthermore, the stability of the inner loop and the autopilot integrated with Approach Power Compensation System (APCS) are confirmed. (C) 2018 Elsevier Masson SAS. All rights reserved.
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