2009•Journal of System Design and DynamicsOpen access

Modeling and Consideration of AMB-Flywheel Supported by Two-axis Gimbals

Kenta KURIYAMA, Kenzo NONAMI, Budi RACHMANTO

Abstract

A flywheel energy storage system using an active magnetic bearing (AMB) is an effective method for storing electric power and reducing energy consumption. The stabilization of a flywheel rotor system supported by magnetic bearings fixed on the ground has been done. Currently, an electrical vehicle with a flywheel energy storage system using a magnetic bearing and a two-degree-of freedom gimbal which means two-axis gimbal have been carrying out. In this paper, the mathematical model for both the flywheel and the gimbals has been derived. Also, a discussion of the gimbal design is presented. It was verified through experiments that the proposed model in this paper is very effective.

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Key concepts: Gimbal, Flywheel, Magnetic bearing, Flywheel energy storage, Rotor (electric), Automotive engineering, Engineering, Bearing (navigation)