Spacecraft Attitude Control Under Reaction Wheel Constraints Using Control Lyapunov and Control Barrier Functions

TL;DR

This paper presents a new control approach combining Lyapunov and barrier functions to manage spacecraft attitude with reaction wheel constraints, ensuring stability and safety in real-time applications.

Contribution

It introduces a novel control framework that integrates control Lyapunov and barrier functions to handle input and state constraints in spacecraft attitude control.

Findings

Effective stabilization with reduced chattering at low sampling rates

Successful enforcement of hard state constraints

Validated through numerical simulations for real-time use

Abstract

This paper introduces a novel control strategy for agile spacecraft attitude control, addressing reaction wheel-related input and state constraints. An optimal-decay control Lyapunov function quadratic program stabilizes the system and mitigates chattering at low sampling frequencies, while control barrier functions enforce hard state constraints. Numerical simulations validate the method's practicality and efficiency for real-time agile spacecraft attitude control.