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Energies 2018, 11(12), 3352; https://doi.org/10.3390/en11123352

Design of a High-Performance 16-Slot 8-Pole Electromagnetic Shock Absorber Using a Novel Permanent Magnet Structure

1
Energy and Power Conversion Engineering, University of Science and Technology, Daejeon 34113, Korea
2
Electric Motor Research Center, Korea Electrotechnology Research Institute, Changwon 51543, Korea
*
Author to whom correspondence should be addressed.
Received: 15 October 2018 / Revised: 7 November 2018 / Accepted: 28 November 2018 / Published: 30 November 2018
(This article belongs to the Special Issue Electrical Machine Design)
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Abstract

The conventional development of tubular generators for applications intended to harvest energy using vehicle suspension systems is faced with the critical challenge of increasing the power harvested for a given space. Conventional optimal designs of machine dimensions have improved both output power and output power density, but the actual values are still relatively small. Recently, we proposed a novel tubular generator structure that combines a mechanical shock absorber and an electrical generator. An innovative permanent magnet structure using both Halbach array and iron spacers (a hybrid-type) was applied. The high relative permeability of the iron material significantly improved the performance of the proposed generator in comparison with conventional models. A prototype was fabricated and experimentally validated via simulation. View Full-Text
Keywords: energy harvesting; semi-active suspension; tubular machine; electromagnetic shock absorber energy harvesting; semi-active suspension; tubular machine; electromagnetic shock absorber
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Duong, M.-T.; Chun, Y.-D.; Hong, D.-K. Design of a High-Performance 16-Slot 8-Pole Electromagnetic Shock Absorber Using a Novel Permanent Magnet Structure. Energies 2018, 11, 3352.

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