Meeting the Energy Needs of Future Warriors (2004) / Chapter Skim
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Executive Summary
Executive Summary
Pages 1-8
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power demand was categorized in distinct regimes at the The concept of the soldier as a system led to a prototype of Energy and Power Workshop for the Soldier, sponsored by the first Land Warrior (LW) system, which combined elec- the Army Research Laboratory/Communications Electronics tronics, weapons, and power sources in a single ensemble.
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bution techniques, and low-power electronics such as asynchronous microchips, smart dust, etc. Assess tech TECHNOLOGY ASSESSMENTS nical risks and feasibility associated with each of the technologies and make recommendations pertaining to Consistent with the ARL/CECOM Workshop, the their potential efficacy and utility within the context of committee assumed that the 20-W regime included power future OFW operational capabilities.
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Evaluate DMFC and PEM systems for various specific missions. 1 to 5 kW Develop lightweight, efficient, 1- to Integrate logistics fuel reformers with Develop high-capacity SOFCs and integrate average power 5-kW engines that operate on logistics lightweight PEM fuel cells.
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Like metal/air batteries, fuel cells Recommendation 3: The Army should immediately are air-breathing devices that cannot operate when sub conduct a comprehensive and definitive analysis of the merged in water. Future acceptance of fuel cells on the battle operational and logistical implications of fielding nonfield will be determined to a great degree by logistics, battery solutions as power sources for dismounted because current prototypes are fueled by the nonstandard soldiers.
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Recommendation 5: The Army should refine duty-cycle estimates for the Land Warrior suite of electronics so as 100-W Average with 200-W Peak to enable the development of high-fidelity models incorporating soldier usage patterns and other details of Recommendation 7a: As its first priority in the 100-W interactions between power sources and soldier elec- target regime, the Army should develop smart hybrid tronics. These estimates are essential for developing systems capable of air-independent operation that can smart hybrid systems that can react to the environment accommodate total energy requirements.
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Use of SoC design techniques could reduce power The Army acquisition system is impaired in its ability to by over an order of magnitude for the digital computing and focus on soldier power issues, because it does not take into communications processing, making it negligible in com- account the logistics costs of providing power on the battleparison with the power demand of analog, sensor, and field when computing the true life-cycle costs of soldier display functions. electronics.
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Given a mission scenario, a suite The Army envisions a future uniform-and-electronics of soldier equipment, and the size or makeup of a combat ensemble for the Future Warrior. The committee believes team, the Army should be able to determine an optimum that soldier electronics requiring a mere 2-W average, 5-W type, quantity, and distribution of power sources, as well as peak power is attainable in the far term if the recommenda- fuel requirements.
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High-fidelity models exist in all regimes to satisfy known power requirements, based on experimental data can narrow the parameters of and major breakthroughs in power/energy source technolooptimization and expedite the proper selection and matching gies are not needed. To satisfy the needs of future warriors of power sources.
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