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Docking control for probe-drogue refueling: An additive-state-decomposition-based output feedback iterative learning control method
journal contribution
posted on 2019-11-20, 09:57 authored by Jinrui Ren, Quan Quan, Cunjia LiuCunjia Liu, Kai-Yuan CaiDesigning a controller for the docking maneuver in Probe-Drogue Refueling (PDR) is an important but challenging task, due to the complex system model and the high precision requirement. In order to overcome the disadvantage of only feedback control, a feedforward control scheme known as Iterative Learning Control (ILC) is
adopted in this paper. First, Additive State Decomposition (ASD) is used to address the tight coupling of input saturation, nonlinearity and the property of NonMinimum Phase (NMP) by separating these features into two subsystems
(a primary system and a secondary system). After system decomposition, an adjoint-type ILC is applied to the Linear
Time-Invariant (LTI) primary system with NMP to achieve entire output trajectory tracking, whereas state feedback
is used to stabilize the secondary system with input saturation. The two controllers designed for the two subsystems
can be combined to achieve the original control goal of the PDR system. Furthermore, to compensate for the receiver-independent uncertainties, a correction action is proposed by using the terminal docking error, which can lead to a
smaller docking error at the docking moment. Simulation tests have been carried out to demonstrate the performance
of the proposed control method, which has some advantages over the traditional derivative-type ILC and adjoint-type
ILC in the docking control of PDR.
Funding
National Natural Science Foundation of China ( No.: 61473012)
History
School
- Aeronautical, Automotive, Chemical and Materials Engineering
Department
- Aeronautical and Automotive Engineering
Published in
Chinese Journal of AeronauticsVolume
33Issue
3Pages
1016 - 1025Publisher
Elsevier BVVersion
- VoR (Version of Record)
Rights holder
© Production and hosting by Elsevier Ltd. on behalf of Chinese Society of Aeronautics and AstronauticsPublisher statement
This is an Open Access Article. It is published by Elsevier under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/Acceptance date
2019-11-08Publication date
2019-11-16Copyright date
2019ISSN
1000-9361Publisher version
Language
- en
Depositor
Dr Cunjia Liu. Deposit date: 17 November 2019Usage metrics
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