Adaptive multivariate reusable launch vehicles reentry attitude control with pre-specified performance in the presence of unmatched disturbances

Tianshuo Ge; Runqi Chai; Qinghua Zhu; Kaiyuan Chen; Antonios Tsourdos; Ishrak M.D. Farhan

doi:10.1016/j.ast.2023.108858

Adaptive multivariate reusable launch vehicles reentry attitude control with pre-specified performance in the presence of unmatched disturbances

Tianshuo Ge, Runqi Chai^*, Qinghua Zhu, Kaiyuan Chen, Antonios Tsourdos, Ishrak M.D. Farhan

^*Corresponding author for this work

School of Automation

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

This paper introduces a novel adaptive multivariable attitude control method for a reusable launch vehicle (RLV) to track desired attitude trajectories in the presence of unknown external disturbances and uncertainties. Unlike most existing designs that overlook mismatched disturbances, this method employs an adaptive finite-time observer (AFO) to estimate the unknown states. Based on the outputs of the AFO and the prescribed performance function, a time-varying adaptive gain that is not overestimated is designed to establish the adaptive multivariable attitude control for the RLV system. The simulations demonstrate that the proposed approach successfully guides the RLV to follow desired attitude signals despite the presence of unmatched disturbances and uncertainties.

Original language	English
Article number	108858
Journal	Aerospace Science and Technology
Volume	145
DOIs	https://doi.org/10.1016/j.ast.2023.108858
Publication status	Published - Feb 2024

Keywords

Adaptive multivariable control
Attitude control of reusable launch vehicle (RLV)
Chattering attenuation
Finite time convergence
Pre-specified performance

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10.1016/j.ast.2023.108858

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title = "Adaptive multivariate reusable launch vehicles reentry attitude control with pre-specified performance in the presence of unmatched disturbances",

abstract = "This paper introduces a novel adaptive multivariable attitude control method for a reusable launch vehicle (RLV) to track desired attitude trajectories in the presence of unknown external disturbances and uncertainties. Unlike most existing designs that overlook mismatched disturbances, this method employs an adaptive finite-time observer (AFO) to estimate the unknown states. Based on the outputs of the AFO and the prescribed performance function, a time-varying adaptive gain that is not overestimated is designed to establish the adaptive multivariable attitude control for the RLV system. The simulations demonstrate that the proposed approach successfully guides the RLV to follow desired attitude signals despite the presence of unmatched disturbances and uncertainties.",

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AU - Ge, Tianshuo

AU - Chai, Runqi

AU - Zhu, Qinghua

AU - Chen, Kaiyuan

AU - Tsourdos, Antonios

AU - Farhan, Ishrak M.D.

PY - 2024/2

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N2 - This paper introduces a novel adaptive multivariable attitude control method for a reusable launch vehicle (RLV) to track desired attitude trajectories in the presence of unknown external disturbances and uncertainties. Unlike most existing designs that overlook mismatched disturbances, this method employs an adaptive finite-time observer (AFO) to estimate the unknown states. Based on the outputs of the AFO and the prescribed performance function, a time-varying adaptive gain that is not overestimated is designed to establish the adaptive multivariable attitude control for the RLV system. The simulations demonstrate that the proposed approach successfully guides the RLV to follow desired attitude signals despite the presence of unmatched disturbances and uncertainties.

AB - This paper introduces a novel adaptive multivariable attitude control method for a reusable launch vehicle (RLV) to track desired attitude trajectories in the presence of unknown external disturbances and uncertainties. Unlike most existing designs that overlook mismatched disturbances, this method employs an adaptive finite-time observer (AFO) to estimate the unknown states. Based on the outputs of the AFO and the prescribed performance function, a time-varying adaptive gain that is not overestimated is designed to establish the adaptive multivariable attitude control for the RLV system. The simulations demonstrate that the proposed approach successfully guides the RLV to follow desired attitude signals despite the presence of unmatched disturbances and uncertainties.

KW - Adaptive multivariable control

KW - Attitude control of reusable launch vehicle (RLV)

KW - Chattering attenuation

KW - Finite time convergence

KW - Pre-specified performance

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Adaptive multivariate reusable launch vehicles reentry attitude control with pre-specified performance in the presence of unmatched disturbances

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Keywords

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