A
s with any truck, High Mobil- ity Multipurpose Wheeled Vehicle (HMMWV) rollovers can occur as a result of an eva- sive steering maneuver while driving on a road or trying to stabilize the vehicle on a hill or at the edge of a ditch. Rollover the vehicle.
Statistics from the U.S. Army Com- occupants who wear seat belt restraints properly are more likely to survive a roll- remaining inside the vehicle. Among the options for safety measures to mitigate point intelligent seat belts.
The Product Manager Light Tactical Vehicles (PM LTV) of Program Execu- Service Support (PEO CS&CSS), using a System Technical Support contract with AM General LLC, established a work directive in August 2009 to use industry expertise to propose a COTS-based kitted system for an occupant protection safety upgrade to the vehicle. By January 2010, the team decided to move forward with a proposal from TK Holdings Inc.
A safety system consisting primarily of COTS components to protect occupants entailed challenges such as system adap- tation to integrate into the HMMWV and to quantify and qualify performance. Guidance from the TACOM Life Cycle was to focus on rollovers and use indus- try best practices to quantify and qualify levels of improvement in occupant safety.
STATIC DEMO One commercial-off-the-shelf technology identified to mitigate rollover injuries was side-curtain air bags, as demonstrated here in a M1151A1 HMMWV. (Photo courtesy of TK Holdings Inc.)
along with effectively managing cost, schedule, performance, and risk.
PRODUCT BASELINE
At the outset of the work directive, the M1151A1 HMMWV four-passenger variant was selected for integration, as
it was the most common variant in pro- duction at the time. Adapting a system of COTS items into the vehicle began with AM General drafting a performance - plier with vehicle computer-aided design (CAD) data.
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SCIENCE & TECHNOLOGY
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