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Kovacevic, Ivana F. and Kolar, J.W. and Round, S.D. and Vasic, Miroslav (2013). Mission profile based optimization of a wearable power system. "EPE Journal", v. 23 (n. 3); pp. 36-47. ISSN 0939-8368.
Title: | Mission profile based optimization of a wearable power system |
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Author/s: |
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Item Type: | Article |
Título de Revista/Publicación: | EPE Journal |
Date: | September 2013 |
ISSN: | 0939-8368 |
Volume: | 23 |
Subjects: | |
Freetext Keywords: | Buck converter, Hybrid power system, Mission profile, System optimization, Wearable power system |
Faculty: | Centro de Electrónica Industrial (CEI) (UPM) |
Department: | Otro |
Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
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A Wearable Power System (WPS) is a portable power source utilized primarily to power the modern soldier’s electronic equipment. Such a system has to satisfy output power demands in the range of 20 W...200 W, specified as a 4-day mission profile and has a weight limit of 4 kg. To meet these demands, an optimization of a WPS, comprising an internal combustion (IC) engine, permanent magnetic three-phase electrical motor/generator, inverter, Li-batteries, DC-DC converters, and controller, is performed in this paper. The mechanical energy extracted from the fuel by IC engine is transferred to the generator that is used to recharge the battery and provide the power to the electrical output load. The main objectives are to select the engine, fuel and battery type, to match the weight of fuel and the number of battery cells, to find the optimal working point of engine and to minimize the system weight. To provide the second output voltage level of 14 VDC, a separate DC-DC converter is connected between the battery and the load, and optimized for the specified mission profile. A prototype of the WPS based on the optimization presented in the paper results in a total system weight of 3.9 kg and fulfils the mission profile.
Item ID: | 29565 |
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DC Identifier: | http://oa.upm.es/29565/ |
OAI Identifier: | oai:oa.upm.es:29565 |
Official URL: | http://www.epe-association.org/epe/index.php |
Deposited by: | Memoria Investigacion |
Deposited on: | 09 May 2015 07:21 |
Last Modified: | 09 May 2015 07:21 |