Design Issues of a Rotating to Linear Motion Magnetic Converter for Short-Distance Transport Applications

This paper discusses some design issues of a magnetic rotating to linear motion converter (RLMC), suitable for the propulsion system of a short-distance low-capacity vehicle. It basically operates like a magnetic rack, which executes the contactless conversion of the motor torque into a propulsion t...

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Main Authors: Mauro Andriollo, Simone Bernasconi, Andrea Tortella
Format: Article
Language:English
Published: MDPI AG 2021-12-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/14/24/8464
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author Mauro Andriollo
Simone Bernasconi
Andrea Tortella
author_facet Mauro Andriollo
Simone Bernasconi
Andrea Tortella
author_sort Mauro Andriollo
collection DOAJ
description This paper discusses some design issues of a magnetic rotating to linear motion converter (RLMC), suitable for the propulsion system of a short-distance low-capacity vehicle. It basically operates like a magnetic rack, which executes the contactless conversion of the motor torque into a propulsion thrust, deriving from the interaction of on-board permanent magnet (PM) modules and stationary ferromagnetic steel pieces. A design procedure is set up that deals with both the PM module arrangement and the geometric shape of the steel pieces to optimize different performance aspects. A simplified modeling based on 2D transient finite element analyses is carried out to determine the thrust profile and the RLMC losses, which are essential to assess its practical feasibility. Finally, the characteristics as functions of the load angle and speed are determined to enable the prediction of the dynamic power exchange and then of the net energy demand useful to size the on-board source.
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spelling doaj.art-8e96bc82bb144c019cc8085cfcd3c1942023-11-23T08:07:40ZengMDPI AGEnergies1996-10732021-12-011424846410.3390/en14248464Design Issues of a Rotating to Linear Motion Magnetic Converter for Short-Distance Transport ApplicationsMauro Andriollo0Simone Bernasconi1Andrea Tortella2Department of Industrial Engineering, University of Padova, 35131 Padova, ItalyDepartment of Industrial Engineering, University of Padova, 35131 Padova, ItalyDepartment of Industrial Engineering, University of Padova, 35131 Padova, ItalyThis paper discusses some design issues of a magnetic rotating to linear motion converter (RLMC), suitable for the propulsion system of a short-distance low-capacity vehicle. It basically operates like a magnetic rack, which executes the contactless conversion of the motor torque into a propulsion thrust, deriving from the interaction of on-board permanent magnet (PM) modules and stationary ferromagnetic steel pieces. A design procedure is set up that deals with both the PM module arrangement and the geometric shape of the steel pieces to optimize different performance aspects. A simplified modeling based on 2D transient finite element analyses is carried out to determine the thrust profile and the RLMC losses, which are essential to assess its practical feasibility. Finally, the characteristics as functions of the load angle and speed are determined to enable the prediction of the dynamic power exchange and then of the net energy demand useful to size the on-board source.https://www.mdpi.com/1996-1073/14/24/8464magnetic gearspermanent magnet machineslinear motionelectromagnetic modelingfinite element analysisloss calculation
spellingShingle Mauro Andriollo
Simone Bernasconi
Andrea Tortella
Design Issues of a Rotating to Linear Motion Magnetic Converter for Short-Distance Transport Applications
Energies
magnetic gears
permanent magnet machines
linear motion
electromagnetic modeling
finite element analysis
loss calculation
title Design Issues of a Rotating to Linear Motion Magnetic Converter for Short-Distance Transport Applications
title_full Design Issues of a Rotating to Linear Motion Magnetic Converter for Short-Distance Transport Applications
title_fullStr Design Issues of a Rotating to Linear Motion Magnetic Converter for Short-Distance Transport Applications
title_full_unstemmed Design Issues of a Rotating to Linear Motion Magnetic Converter for Short-Distance Transport Applications
title_short Design Issues of a Rotating to Linear Motion Magnetic Converter for Short-Distance Transport Applications
title_sort design issues of a rotating to linear motion magnetic converter for short distance transport applications
topic magnetic gears
permanent magnet machines
linear motion
electromagnetic modeling
finite element analysis
loss calculation
url https://www.mdpi.com/1996-1073/14/24/8464
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AT andreatortella designissuesofarotatingtolinearmotionmagneticconverterforshortdistancetransportapplications