Hybrid Electric HMMWV

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Hybrid Electric HMMWV

• Hybrid Electric (HE) HMMWV
• Overview
• By
• Daniel R. Markiewicz, HE-HMMWV Project Manager

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Project Milestones

• Funded by DARPA through MARCAV
• Period of Performance 7/95 - 9/02
• Project start 7/95
• Component integration/testing 6/97 - 12/97
• System testing 1/98 - 12/98
• Aberdeen testing 1/99 - 2/01
• Unmanned conversion 5/02 - 9/02

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Project Objectives
Convert a conventional ICE powered HMMWV to a
hybrid electric (HE) HMMWV Compare the
performance of the HE-HMMWV to the conventional
HMMWV
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Project Goals
Produce a reasonably affordable and efficient
hybrid electric vehicle using currently available
technology Meet or exceed the baseline
performance of the conventional HMMWV Demonstrate
a propulsion system for stealth operation of a
wheeled tactical vehicle Maintain conventional
HMMWV gross vehicle weight (GVW) and water
fording ability
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Drive System Architecture
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HE-HMMWV FEATURES

• Series Configuration
• 2 200-Hp Drive Motors
• 21-gallon Fuel Tank
• 264 Volt Nominal Lead-acid Battery Pack
• 33 kW Maximum Regenerative Braking
• 8,660 lbs. GVW

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Battery Box Analysis
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Engine Compartment

• 53 kW Maximum APU

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Key Specifications Goals and Achievements (Firm)
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Key Specifications Goals and Achievements
(Flexible)
(Soft)
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M1097 and HE-HMMWV Comparison