Research on a New Process of Agile Turn with Engine Reignition Based on Optimal Control

Kang Niu, Jianqiao Yu, Xi Chen, Di Yang, Ziyuan Li and Thach Ngoc Dinh

Complexity, 2021, vol. 2021, 1-18

Abstract: A new process of agile turn with engine reignition is proposed in this paper. Compared with the traditional process, this process includes deceleration phase, larger angle manoeuvre phase, and engine reignition phase. Firstly, the paper describes the new process of agile turn. Then, several constraints in this process are described. Considering all these constraints and assumptions, a new dynamic model including two-stage engine and deceleration parachute is established. Then, the optimal control laws are designed and the timing point determination of the secondary engine ignition is discussed. By using Pontryagin principle, the optimal control laws for each actuator are derived. In terms of determining the optimal timing point of the secondary engine ignition, the paper gives the process of proof. Finally, several numerical simulations are given to demonstrate the effectiveness of the method proposed in this paper. According to all these numerical simulations, it is obvious that the new process of agile turn proposed in this paper is better than traditional process especially in having a smaller turning radius, a shorter turning time, and a high terminal velocity.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:complx:3803506

DOI: 10.1155/2021/3803506

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