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A generalized control law for uniform, global and exponential magnetic detumbling of rigid spacecraft

Abstract : The problem of magnetic detumbling, also known as magnetic momentum unloading, is considered. The objective is to stabilize a rigid spacecraft angular velocity to zero only through magnetic actuation, i.e. magneto-torquers. We propose a generalized control law that is uniformly, globally exponentially stabilizing (UGES) and show that the celebrated b-dot law is one particular case of this law. Furthermore, we provide an explicit (time-varying) strict Lyapunov function to establish the stability claim.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-03021760
Contributor : François Chaplais <>
Submitted on : Tuesday, November 24, 2020 - 2:44:44 PM
Last modification on : Thursday, December 17, 2020 - 5:06:53 PM

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  • HAL Id : hal-03021760, version 1

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Nicolas Petit, Ioannis Sarras. A generalized control law for uniform, global and exponential magnetic detumbling of rigid spacecraft. IFAC 2020 World Congress, Jul 2020, Virtuel, Germany. ⟨hal-03021760⟩

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