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Title:
Normal acceleration reduce guidanceand control for sub-orbit vehicle re-entry
Author: Li WH(李文浩); Xiao XX(肖歆昕); Zhang H(张珩)
Issued Date: 2017
Conference Name: 21st AIAA International Space Planes and Hypersonics Technologies Conference
Conference Date: 6-9 March 2017
Conference Place: Xiamen, China
Abstract:

In this paper, a new angle-of-attack(AOA) guidance law and controller with multi-control surface and reaction control system (RCS) are designed to reduce normal acceleration in sub-orbit re-entry phase. First, the six-degree-of-freedom (6-DOF) nonlinear dynamic model of sub-orbit vehicles established, and the overload characteristics is analyzed under traditional AOA guidance law. Second, an AOA guidance law added height element is proposed to reduce the Normal accelerate peak value during re-entry. Furthermore, an Inverse-PIDA control law and composite control strategy are designed to control multi-aerodynamic surface and RCS. Finally the proposed approach is applied in a sub-orbit vehicle re-entry flight, validation simulation are conducted by using the proposed guidance law and controller with the 6-DOF nonlinear dynamic model , Monte-Carlo statistical analysis shows it can get well control performance with 卤20% aerodynamic elements uncertainty and random wind. 漏 2017, American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved.

Keyword: Aerodynamics ; Air navigation ; Angle of attack ; Control surfaces ; Control theory ; Degrees of freedom (mechanics) ; Dynamic models ; Flight control systems ; Flight simulators ; Monte Carlo methods ; Reentry ; Spacecraft ; Surface reactions ; Uncertainty analysis ; Vehicles
Indexed Type: EI
Corresponding Author: 肖歆昕
Related URLs: 查看原文
Source: 21st AIAA International Space Planes and Hypersonics Technologies Conference, Hypersonics 2017
Publisher: American Institute of Aeronautics and Astronautics Inc, AIAA
Publish Place: USA
Language: 英语
ISBN: 978-1-62410-463-3
Content Type: 会议论文
URI: http://dspace.imech.ac.cn/handle/311007/72198
Appears in Collections:先进制造工艺力学重点实验室_会议论文

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Recommended Citation:
Li WH,Xiao XX,Zhang H. Normal acceleration reduce guidanceand control for sub-orbit vehicle re-entry[C]. 见:21st AIAA International Space Planes and Hypersonics Technologies Conference. Xiamen, China. 6-9 March 2017.https://arc.aiaa.org/doi/book/10.2514/MHYP17
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