NDLI: An Integrated Approach to Hypersonic Entry Attitude Control

Content Provider	Springer Nature Link
Author	Pu, Zhi Qiang Yuan, Ru Yi Tan, Xiang Min Yi, Jian Qiang
Copyright Year	2014
Abstract	This paper presents an integrated approach based on dynamic inversion (DI) and active disturbance rejection control (ADRC) to the entry attitude control of a generic hypersonic vehicle (GHV). DI is firstly used to cancel the nonlinearities of the GHV entry model to construct a basic attitude controller. To enhance the control performance and system robustness to inevitable disturbances, ADRC techniques, including the arranged transient process (ATP), nonlinear feedback (NF), and most importantly the extended state observer (ESO), are integrated with the basic DI controller. As one primary task, the stability and estimation error of the second-order nonlinear ESO are analyzed from a brand new perspective: the nonlinear ESO is treated as a specific form of forced Liénard system. Abundant qualitative properties of the Liénard system are utilized to yield comprehensive theorems on nonlinear ESO solution behaviors, such as the boundedness, convergence, and existence of periodic solutions. Phase portraits of ESO estimation error dynamics are given to validate our analysis. At last, three groups of simulations, including comparative simulations with modeling errors, Monte Carlo runs with parametric uncertainties, and a six degrees-of-freedom reference entry trajectory tracking are executed, which demonstrate the superiority of the proposed integrated controller over the basic DI controller.
Starting Page	39
Ending Page	50
Page Count	12
File Format	PDF
ISSN	14768186
Journal	International Journal of Automation and Computing
Volume Number	11
Issue Number	1
e-ISSN	17518520
Language	English
Publisher	Springer-Verlag
Publisher Date	2015-03-12
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Hypersonic vehicle attitude control dynamic inversion active disturbance rejection control stability analysis Control, Robotics, Mechatronics Computer Applications Computer-Aided Engineering (CAD, CAE) and Design
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Control and Systems Engineering Modeling and Simulation Computer Science Applications

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