A Robust Predefined Performance Controller for Reusable Launch Vehicles Under Mismatched Disturbance and Input Saturation

Guo, Dongzi; Wang, Mingze; Cheng, Jie; Zhang, Yuhao; Cui, Naigang

doi:10.3390/app152212251

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Open AccessArticle

A Robust Predefined Performance Controller for Reusable Launch Vehicles Under Mismatched Disturbance and Input Saturation

by

Dongzi Guo

¹,

Mingze Wang

^2,*,

Jie Cheng

³,

Yuhao Zhang

¹ and

Naigang Cui

¹

School of Astronautics, Harbin Institute of Technology, Harbin 150001, China

²

Beijing Institute of Electronic System Engineering, Beijing 100854, China

³

Shenyang Aircraft Design and Research Institute, Aviation Industry Corporation of China, Ltd., Shenyang 110035, China

^*

Author to whom correspondence should be addressed.

Appl. Sci. 2025, 15(22), 12251; https://doi.org/10.3390/app152212251

Submission received: 9 October 2025 / Revised: 28 October 2025 / Accepted: 31 October 2025 / Published: 18 November 2025

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Abstract

This paper addresses the attitude tracking control issue for reusable launch vehicles (RLVs) in the presence of non-matching disturbances and saturation effects. An enhanced predefined performance function (PPF) is derived based on a novel anti-saturation predefined-time compensator (ASPC) to ensure stability during saturation. Additionally, a fixed-time disturb observer (DO) is introduced for estimating both mismatch and matching perturbations within a fixed-time interval. Based on the error transformation, a fixed-time dynamic surface control (DSC) is proposed, ensuring that the transformed system state converges to the residual set at the origin promptly. The simulations demonstrate that the attitude tracking error reliably converges to a predefined region within a predetermined time.

Keywords: reusable launch vehicle; fixed-time disturb observer; input saturation; predefined performance control

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MDPI and ACS Style

Guo, D.; Wang, M.; Cheng, J.; Zhang, Y.; Cui, N. A Robust Predefined Performance Controller for Reusable Launch Vehicles Under Mismatched Disturbance and Input Saturation. Appl. Sci. 2025, 15, 12251. https://doi.org/10.3390/app152212251

AMA Style

Guo D, Wang M, Cheng J, Zhang Y, Cui N. A Robust Predefined Performance Controller for Reusable Launch Vehicles Under Mismatched Disturbance and Input Saturation. Applied Sciences. 2025; 15(22):12251. https://doi.org/10.3390/app152212251

Chicago/Turabian Style

Guo, Dongzi, Mingze Wang, Jie Cheng, Yuhao Zhang, and Naigang Cui. 2025. "A Robust Predefined Performance Controller for Reusable Launch Vehicles Under Mismatched Disturbance and Input Saturation" Applied Sciences 15, no. 22: 12251. https://doi.org/10.3390/app152212251

APA Style

Guo, D., Wang, M., Cheng, J., Zhang, Y., & Cui, N. (2025). A Robust Predefined Performance Controller for Reusable Launch Vehicles Under Mismatched Disturbance and Input Saturation. Applied Sciences, 15(22), 12251. https://doi.org/10.3390/app152212251

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A Robust Predefined Performance Controller for Reusable Launch Vehicles Under Mismatched Disturbance and Input Saturation

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