Mission profile based optimization of a wearable power system

Kovacevic, Ivana F.; Kolar, J.W.; Round, S.D. y Vasic, Miroslav (2013). Mission profile based optimization of a wearable power system. "EPE Journal", v. 23 (n. 3); pp. 36-47. ISSN 0939-8368.

Descripción

Título: Mission profile based optimization of a wearable power system
Autor/es:
  • Kovacevic, Ivana F.
  • Kolar, J.W.
  • Round, S.D.
  • Vasic, Miroslav
Tipo de Documento: Artículo
Título de Revista/Publicación: EPE Journal
Fecha: Septiembre 2013
Volumen: 23
Materias:
Palabras Clave Informales: Buck converter, Hybrid power system, Mission profile, System optimization, Wearable power system
Escuela: Centro de Electrónica Industrial (CEI) (UPM)
Departamento: Otro
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

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.

Más información

ID de Registro: 29565
Identificador DC: http://oa.upm.es/29565/
Identificador OAI: oai:oa.upm.es:29565
URL Oficial: http://www.epe-association.org/epe/index.php
Depositado por: Memoria Investigacion
Depositado el: 09 May 2015 07:21
Ultima Modificación: 09 May 2015 07:21
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