Adaptive decoupling control for a class of spinning rockets considering actuator dynamics

SHI Zhongjiao; ZHU Huajie; ZHAO Liangyu; LIU Zhijie

doi:10.7527/S1000-6893.2021.25068

ACTA AERONAUTICAET ASTRONAUTICA SINICA >

2022 , Vol. 43 >Issue 3: 325068 - 325068

DOI: https://doi.org/10.7527/S1000-6893.2021.25068

Adaptive decoupling control for a class of spinning rockets considering actuator dynamics

SHI Zhongjiao ,
ZHU Huajie ,
ZHAO Liangyu ,
LIU Zhijie

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1. School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China;
2. School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China;
3. School of Automation and Electrical Engineering, University of Science and Technology Beijing, Beijing 100083, China

Received date: 2020-12-06

Revised date: 2021-01-25

Online published: 2021-06-01

Supported by

National Natural Science Foundation of China (62103052, 12072027, 11532002)

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Abstract

An adaptive decoupling control method considering aerodynamic uncertainty and actuator dynamics is proposed to solve the strong coupling problem caused by aerodynamic, inertial and control cross-coupling.Considering a type of canard controlled spinning rockets, an acceleration dynamic model considering actuator dynamics is established under the non-rolling body frame.Using the model reference adaptive control method as the basic framework, the tracking error integral is extended to the controlled system to improve the tracking performance of the closed-loop system.The error signal between the input and output of the actuator is fed back into the reference model to realize the decoupling between the pitch and yaw channels.Theoretical analysis and numerical simulation show the effectiveness of the proposed method.The simulation results show that the adaptive decoupling controller developed in our study can ensure stability of the closed-loop system and realize the decoupling between the pitch and yaw channels.

Key words： spinning rocket; adaptive control; decoupling control; actuator dynamics; quadratic stability

Cite this article

SHI Zhongjiao , ZHU Huajie , ZHAO Liangyu , LIU Zhijie . Adaptive decoupling control for a class of spinning rockets considering actuator dynamics[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022 , 43(3) : 325068 -325068 . DOI: 10.7527/S1000-6893.2021.25068

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