Fundamental research on levitation method of a miniaturized magnetic-bearing reaction wheel

Abstract

In this paper we propose and design a miniaturized reaction wheel with magnetic bearing. In order to install much equipment into limited weight and space in a small satellite, it's required to miniaturize and reduce the weight of attitude control equipments, such as a reaction wheel. However, when a reaction wheel is miniaturized, the angular momentum decreases. This research aims to increase a wheel angular momentum with high speed rotation with magnetic bearings. In this paper the structure of reaction wheel with magnetic bearing and its control simulation is described.