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SelfSelf--Generated Field Power Generated Field Power SourcesSources
2007 Joint Service Power Expo2007 Joint Service Power ExpoAlbert HartmanAlbert Hartman
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Mobile ElectronicsMobile Electronics
Power RequirementsPower RequirementsAvailable Field SourcesAvailable Field SourcesEM EnergyEM Energy--Harvesting TechnologyHarvesting Technology
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Electrical Power Electrical Power ReqReq’’ss1.1. How Many Watts?How Many Watts?2.2. Usage Duty Cycle? Usage Duty Cycle?
(intermittent/continuous?)(intermittent/continuous?)
0 1 5 10 30 100Watts
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Chemical BatteriesChemical Batteries
Enabled mobile electronicsEnabled mobile electronicsIndustry Industry -- 6%/yr, cheap labor/lax laws6%/yr, cheap labor/lax lawsPrimaries Primaries -- use once, dispose. $60Buse once, dispose. $60BSecondariesSecondaries -- $6B$6B
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Primary Batteries ProcurementPrimary Batteries ProcurementDifficult & ExpensiveDifficult & Expensive
$$$
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Camp Salerno
Bagram AFB
Primary Batteries DisposalPrimary Batteries DisposalSpending Money & Taking RisksSpending Money & Taking Risks
forfor Trash!Trash!
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SecondariesSecondariesEconomics driving popularity Economics driving popularity
cellphonescellphones, computers, , computers, ipodsipods, shavers, , shavers, toothbrushtoothbrushelectric carelectric car
Nothing new, LiNothing new, Li--ion 6%/yrion 6%/yrMIL directive to use MIL directive to use rechargeablesrechargeables
replace only 1/yrreplace only 1/yr
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SecondariesSecondaries -- PowerPower
Huge Deal, 10X increase in WattsHuge Deal, 10X increase in WattsLogistics: fewer spares in supply chainLogistics: fewer spares in supply chainRedesign Devices Redesign Devices -- portable & smallerportable & smaller
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How Much Should You Pack?How Much Should You Pack?
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Energy is EverywhereEnergy is Everywhere
Can Find a Fresh AA every 5Can Find a Fresh AA every 5--10 10 minsmins
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10 -
30W
40 -
200W
30-50 W
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If You Can Walk Up These Stairs ...If You Can Walk Up These Stairs ...
You Can Charge a AA BatteryYou Can Charge a AA Battery
So How Much Effort Does it Take?So How Much Effort Does it Take?
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How About Us?How About Us?
Leverage Hard Disk Drive technology Leverage Hard Disk Drive technology (electro(electro--magnetics, digital switchers, magnetics, digital switchers, uPuP))All electricity comes from EAll electricity comes from E--MMHuman power is same as as diesel or Human power is same as as diesel or hydro or nuke or wind, etc.hydro or nuke or wind, etc.
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Early EffortEarly EffortMade a modern GMade a modern G--6767
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Stuff We Found OutStuff We Found OutPower Variability: users, timePower Variability: users, timeDestructive Power Levels, need buffer Destructive Power Levels, need buffer User Interface: ergonomics (50%), info, User Interface: ergonomics (50%), info, effort adjusteffort adjustMultiple devices: many volts & ff, active Multiple devices: many volts & ff, active sinkssinks
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Stuff We Found Out Stuff We Found Out (cont.)(cont.)Unanticipated Uses: PV, UPS, volt Unanticipated Uses: PV, UPS, volt conversion (AUX)conversion (AUX)
Connectors: many MIL, use COTS, cig Connectors: many MIL, use COTS, cig lighter, USBlighter, USB
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Current System OverviewCurrent System Overview
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JammerJammer P125P125
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ApplicationsApplicationsEmergency kits Emergency kits -- crash kits, rubber rafts crash kits, rubber rafts air/air/seacraftseacraft, w/first aid kits, w/first aid kitsDismounted soldier rucksacksDismounted soldier rucksacksAnything low power (single AA apps) Anything low power (single AA apps) Looking For Your Ideas Too Looking For Your Ideas Too
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We`re Putting A Build We`re Putting A Build TogetherTogether
5 yr history: CECOM 5 yr history: CECOM PowerbranchPowerbranch, , SOCOMSOCOMAdd Your Name to the List Add Your Name to the List Controls Charger CostsControls Charger CostsLast chance for input before Last chance for input before hardtoolhardtoollockdownlockdown
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Recap:Recap:
Mobile Electronics Mobile Electronics -- great, modest great, modest powerpowerPlenty of power everywherePlenty of power everywherePortable EM chargers are effectivePortable EM chargers are effectiveDead batteries? No problem.Dead batteries? No problem.
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You Are You Are NEVERNEVER Without Without PowerPower
Field Energy Harvesting with Field Energy Harvesting with High TideHigh Tide