Spacecraft attitude control via a combined state-dependent Riccati equation and adaptive neuro-fuzzy approach

Mohammad Abdelrahman, Sang-Young Park

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

A hybrid nonlinear controller for spacecraft attitude and rate tracking is presented though a combination of two control techniques. Based on the augmentation of spacecraft dynamics and kinematics, a pseudo-linear formulation is derived and used for the development of the basic controller. The basic controller follows a Modified State-Dependent Riccati Equation MSDRE scheme. A neuro-fuzzy controller is designed using an Adaptive Neuro-Fuzzy Inference System ANFIS utilizing the off-line solutions of the MSDRE. The combined control scheme is applied according to large time intervals of the MSDRE solutions to obtain the optimal control torques while along each time interval the ANFIS controller provides the required control signal. The global asymptotic stability of the MSDRE and MSDRE/ANFIS is investigated using Lyapunov theorem and verified by Monte Carlo simulations. The results show a considerable amount of reduction in the computational burden while the tracking accuracy is dependent on the size of the time interval to update the ANFIS controller.

Original languageEnglish
Pages (from-to)16-28
Number of pages13
JournalAerospace Science and Technology
Volume26
Issue number1
DOIs
Publication statusPublished - 2013 Apr 1

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Riccati equations
Attitude control
Spacecraft
Controllers
Torque control
Fuzzy inference
Asymptotic stability
Kinematics

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering

Cite this

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Spacecraft attitude control via a combined state-dependent Riccati equation and adaptive neuro-fuzzy approach. / Abdelrahman, Mohammad; Park, Sang-Young.

In: Aerospace Science and Technology, Vol. 26, No. 1, 01.04.2013, p. 16-28.

Research output: Contribution to journalArticle

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