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Wheels/Rims - Military Vehicles Test Procedures and Performance Requirements

Truck and Bus Wheel Committee
  • Ground Vehicle Standard
  • J1992_201906
  • Current
Published 2019-06-06 by SAE International in United States

This SAE Recommended Practice provides minimum performance requirements and uniform laboratory procedures for fatigue testing of disc wheels, demountable rims, and bolt-together divided wheels intended for normal highway use on military trucks, buses, truck-trailers, and multipurpose vehicles. For other (non-military) wheels and rims intended for normal highway use on trucks and buses, refer to SAE J267. For wheels intended for normal highway and temporary use on passenger cars, light trucks, and multipurpose vehicles, refer to SAE J328. For wheels used on trailers drawn by passenger cars, light trucks, or multipurpose vehicles, refer to SAE J1204. This document does not cover off-highway or other special application wheels and rims.

 
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HYDROGEN BOOM!

SAE Truck & Off-Highway Engineering: June 2019

Ryan Gehm
  • Magazine Article
  • 19TOFHP06_05
Published 2019-06-01 by SAE International in United States

Nikola reveals Two and Tre fuel-cell trucks and its H2 fueling roadmap, as well as battery-electric military and powersports vehicles.

On-highway Class 6-8 trucks are Nikola's main business and engineering focus, but the Arizona-based startup is expanding its product range to include powersports and military sectors to demonstrate its technology's adaptability. In addition to the Nikola Two and Tre hydrogen fuel-cell trucks for North America and Europe, respectively, the manufacturer revealed a battery-electric all-terrain vehicle, an autonomous-capable military vehicle and a personal-watercraft concept to about 2,000 attendees of the Nikola World opening event in Scottsdale, Ariz., near the company's Phoenix headquarters.

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Panoramic Thermal Imaging Technology

Aerospace & Defense Technology: June 2019

  • Magazine Article
  • 19AERP06_03
Published 2019-06-01 by SAE International in United States

A New Concept in Naval Defense

SPYNEL sensors are passive wide area surveillance systems with automatic intrusion detection and tracking capabilities. The 360° thermal sensors offer 24/7 situational awareness by detecting and tracking an unlimited number of targets in real time, on land, air and sea. HGH Infrared Systems recently won a multimillion contract from a leading shipyard, to equip three new warships with the latest generation of SPYNEL panoramic thermal cameras.

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Vehicle Active Protection System

  • Magazine Article
  • TBMG-34333
Published 2019-05-01 by Tech Briefs Media Group in United States

Northrop Grumman Corporation Falls Church, VA 703-280-2900

 

Additive Manufacturing Helps Soldiers Get Parts Faster

  • Magazine Article
  • TBMG-34381
Published 2019-05-01 by Tech Briefs Media Group in United States

Rize Woburn, MA

 

Autonomous “Wingman” Vehicles

Aerospace & Defense Technology: May 2019

  • Magazine Article
  • 19AERP05_01
Published 2019-05-01 by SAE International in United States

The Future of Military Unmanned Vehicle Technology

The US Army's Futures Command is the most important administrative reorganization of the modern Army. Responding to the world's changing priorities-especially the “near peer” threat of ascendant Russia and China-the Army is no longer modernizing, but re-inventing its ground vehicle fleet against new realities. Just like the U.S. Air Force stopped inventing better jets and pilot aids and moved to unmanned aerial vehicles (UAV) for “dull, dirty and dangerous” missions, the Army envisions multiple autonomous vehicle concepts. Instead of a heavier Abrams main battle tank, or a replacement to the aging M113 APC, autonomous “wingman” vehicles may replace some of the human-heavy tasks on the future battlefield.

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The CAN Bus: Driving the Future of Autonomous Military Vehicles

  • Magazine Article
  • TBMG-34343
Published 2019-05-01 by Tech Briefs Media Group in United States

It’s a crisp November day in Michigan, and a convoy of British and American resupply vehicles are rumbling along at a comfortable 25 miles per hour. In the lead is a British Army Rheinmetall MAN Military Vehicles (RMMV) HX-60 truck, trailed closely by two U.S. Army Oshkosh Light Medium Tactical Vehicles (LMTVs). In total, there are zero humans operating this convoy.

 

The CAN Bus: Driving the Future of Autonomous Military Vehicles

Aerospace & Defense Technology: May 2019

  • Magazine Article
  • 19AERP05_02
Published 2019-05-01 by SAE International in United States

It's a crisp November day in Michigan, and a convoy of British and American resupply vehicles are rumbling along at a comfortable 25 miles per hour. In the lead is a British Army Rheinmetall MAN Military Vehicles (RMMV) HX-60 truck, trailed closely by two U.S. Army Oshkosh Light Medium Tactical Vehicles (LMTVs). In total, there are zero humans operating this convoy.

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Variable Fidelity Simulation and Replay for Unmanned Autonomous Ground Vehicles

Neya Systems Division ARA-Matt Spinola
Soar Technology Inc.-Lilia Moshkina, Timothy Saucer, Jacob Crossman
Published 2019-04-02 by SAE International in United States
In this paper, we describe a variable fidelity simulation methodology we have devised and employed to develop, integrate and test low-level motion and perception as well as higher-level tactical vehicle behaviors for autonomous ground vehicles in a military operational environment. To enable autonomous vehicles to act as part of an infantry squad, performing similar tasks to those of junior squad members, we used two different simulation environments: 1) an in-house high-fidelity simulator for low-level mobility and perception, including local path planning; and 2) SimJr., a Java-based, low-fidelity, lightweight simulator for development and testing of high-level tactical vehicle behaviors, such as maintaining a formation within a fire team, or performing an independent reconnaissance task. Based on our experience, we provide recommendations on when the usage of the proposed methodology would be likely to save development time and cost, without sacrificing quality. Additionally, we examine advantages of system-wide logging and replay to capture inputs at the module boundary so that performance of individual components can be tested independently, to further reduce testing and debugging efforts. Finally, we…
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Surface Contamination Simulation for a Military Ground Vehicle

US Army TARDEC-In-ho Lee, Yeefeng Ruan, Vamshi Korivi
Published 2019-04-02 by SAE International in United States
Vehicle surface contamination can degrade not only soldier vision but also the effectiveness of camera and sensor systems mounted externally on the vehicle for autonomy and situational awareness. In order to control vehicle surface contamination, a better understanding of dust particle generation, transport and accumulation is necessary. The focus of the present work is simulation of vehicle surface contamination on the rear part of the vehicle due to the interaction of the combat vehicle track with the ground and dust in the surrounding ambient atmosphere. A notional tracked military vehicle is used for the Computational fluid dynamics (CFD) simulation. A CFD methodology with one-way-coupled Lagrangian particle modeling is used. The simulation is initially run with only air flow to solve the air pressure, velocity, and turbulence quantities in a steady state condition. The steady state solution values are used to initialize particle advection analysis for the dust particles to transport in the atmosphere and accumulate on the exterior surface of the vehicle. The findings from study done to date using the aforementioned method for engineering…
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