Position control study of a bearingless multi-sector permanent magnet machine

Valente, Giorgio and Formentini, Andrea and Papini, Luca and Zanchetta, Pericle and Gerada, C. (2017) Position control study of a bearingless multi-sector permanent magnet machine. In: IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society, 29 Oct - 1 Nov 2017, Beijing, China.

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Abstract

Bearingless motors combine in the same structure the characteristics of conventional motors and magnetic bearings. Traditional bearingless machines rely on two independent sets of winding for suspension force and torque production, respectively. The proposed Multi-Sector Permanent Magnet (MSPM) motor exploits the spatial distribution of the multi-three-phase windings within the stator circumference in order to produce a controllable suspension force. Therefore, force and torque generation are embedded in the same winding setting. In this paper the force and torque generation principles are investigated and a mathematical model is presented considering the rotor displacement. A two Degree of freedom (DOF) position controller is designed taking into consideration the rotor overall dynamic system and a controller gains selection strategy is suggested. A simulation study of the bearingless system in different operating conditions is presented and the suspension force and torque produced are validated through Finite Element Analysis (FEA).

Item Type: Conference or Workshop Item (Paper)
RIS ID: https://nottingham-repository.worktribe.com/output/900537
Additional Information: © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Keywords: Bearingless machines, Multi-Sector Permanent Magnet machines, Radial Force Control
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
Identification Number: https://doi.org/10.1109/IECON.2017.8217548
Related URLs:
URLURL Type
http://iecon2017.csp.escience.cn/dct/page/1Organisation
Depositing User: Burns, Rebecca
Date Deposited: 07 Jun 2018 14:17
Last Modified: 04 May 2020 19:23
URI: http://eprints.nottingham.ac.uk/id/eprint/52281

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