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Dynamic interactions of an integrated vehicle–electromagnetic energy harvester–tire system subject to uneven road excitations

Dynamic interactions of an integrated vehicle–electromagnetic energy harvester–tire system subject to uneven road excitations
Dynamic interactions of an integrated vehicle–electromagnetic energy harvester–tire system subject to uneven road excitations
An investigation is undertaken of an integrated
mechanical-electromagnetic coupling system consisting of a
rigid vehiclewith heave, roll, and pitchmotions, four electromagnetic
energy harvesters and four tires subject to uneven
road excitations in order to improve the passengers’ riding
comfort and harvest the lost engine energy due to uneven
roads. Following the derived mathematical formulations and
the proposed solution approaches, the numerical simulations
of this interaction system subject to a continuous sinusoidal
road excitation and a single ramp impact are completed. The
simulation results are presented as the dynamic response
curves in the forms of the frequency spectrum and the time
history, which reveals the complex interaction characteristics
of the system for vibration reductions and energy harvesting
performance. It has addressed the coupling effects on the
dynamic characteristics of the integrated system caused by:
(1) the natural modes and frequencies of the vehicle; (2) the
vehicle rolling and pitching motions; (3) different road excitations
on four wheels; (4) the time delay of a road ramp to
impact both the front and rear wheels, etc., which cannot be
tackled by an often used quarter vehicle model. The guidelines
for engineering applications are given. The developed
coupling model and the revealed concept provide a means
with analysis idea to investigate the details of four energy
harvester motions for electromagnetic suspension designs
in order to replace the current passive vehicle isolators and
to harvest the lost engine energy. Potential further research
directions are suggested for readers to consider in the future.
Vibration-energy-harvesters , Electromagnetic energy harvester, Mechanical electromagnetic interactions
0567-7718
Xing, Jing
d4fe7ae0-2668-422a-8d89-9e66527835ce
Sun, Zhe
59e9a029-3204-41bc-8543-faa8b25f4a4b
Zhou, Sulian
6908fced-315c-4a02-ae15-97686217c9ec
Tan, Mingyi
4d02e6ad-7915-491c-99cc-a1c85348267c
Xing, Jing
d4fe7ae0-2668-422a-8d89-9e66527835ce
Sun, Zhe
59e9a029-3204-41bc-8543-faa8b25f4a4b
Zhou, Sulian
6908fced-315c-4a02-ae15-97686217c9ec
Tan, Mingyi
4d02e6ad-7915-491c-99cc-a1c85348267c

Xing, Jing, Sun, Zhe, Zhou, Sulian and Tan, Mingyi (2017) Dynamic interactions of an integrated vehicle–electromagnetic energy harvester–tire system subject to uneven road excitations. Acta Mechanica Sinica. (doi:10.1007/s10409-017-0647-x).

Record type: Article

Abstract

An investigation is undertaken of an integrated
mechanical-electromagnetic coupling system consisting of a
rigid vehiclewith heave, roll, and pitchmotions, four electromagnetic
energy harvesters and four tires subject to uneven
road excitations in order to improve the passengers’ riding
comfort and harvest the lost engine energy due to uneven
roads. Following the derived mathematical formulations and
the proposed solution approaches, the numerical simulations
of this interaction system subject to a continuous sinusoidal
road excitation and a single ramp impact are completed. The
simulation results are presented as the dynamic response
curves in the forms of the frequency spectrum and the time
history, which reveals the complex interaction characteristics
of the system for vibration reductions and energy harvesting
performance. It has addressed the coupling effects on the
dynamic characteristics of the integrated system caused by:
(1) the natural modes and frequencies of the vehicle; (2) the
vehicle rolling and pitching motions; (3) different road excitations
on four wheels; (4) the time delay of a road ramp to
impact both the front and rear wheels, etc., which cannot be
tackled by an often used quarter vehicle model. The guidelines
for engineering applications are given. The developed
coupling model and the revealed concept provide a means
with analysis idea to investigate the details of four energy
harvester motions for electromagnetic suspension designs
in order to replace the current passive vehicle isolators and
to harvest the lost engine energy. Potential further research
directions are suggested for readers to consider in the future.

Text
7527489 - Accepted Manuscript
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More information

Accepted/In Press date: 28 December 2016
e-pub ahead of print date: 10 March 2017
Keywords: Vibration-energy-harvesters , Electromagnetic energy harvester, Mechanical electromagnetic interactions
Organisations: Civil Maritime & Env. Eng & Sci Unit, Fluid Structure Interactions Group, Faculty of Engineering and the Environment

Identifiers

Local EPrints ID: 411091
URI: http://eprints.soton.ac.uk/id/eprint/411091
ISSN: 0567-7718
PURE UUID: 22905749-960e-4728-85f5-a09eeeb642a6

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Date deposited: 13 Jun 2017 16:35
Last modified: 07 Oct 2020 05:31

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