Ground Vehicle Mobility, Modeling and Simulationat

TACOM-TARDEC

“A Brief History”

Basic and Applied Mobility Research1960 - 1974

• Land Locomotion Laboratory Mobility Systems Research– TACOM Soil Bins - Bldg 219– Cross Country Mobility Testing

• TACOM• WES

– Soil and Terrain Characterization• Soil Strength• Terrain Roughness

– RMS– PSDs

– Ride and Shock Quality Research• Absorbed Power - 6 Watts• Shock Quality - 2.5 Gs

• Applying Force Feedback Servomechanism Technology to Mobility Problems

• Walking Machine• Coupled M113s

• AMM & AMC – 74

Analog Computer RoomBldg. 200 ca. 1963

Analog Computer for Computing Absorbed Power to Quantify Ride Quality - Bldg. 215 RMS

1972-1986

Ride and Shock Quality Research1962-1972

Astronaut Lunar Rover Driving TrainingDate Unknown

Applying Force Feedback Servomechanism Technology to Mobility Problems

ca. 1966

Articulated VehiclesWalking Machines

GE Cybernetic Walking Machineca. 1966-1970

TACOM 1970

Ft. Eustis Transportation Museum 2000

Artist Conceptual Drawing Coupled M113s

Basic and Applied Mobility Research1974 - 1985

• Off Road Mobility and Vehicle Dynamics Research– Cross Country Mobility Testing

• Model Validation Studies• Articulated Vehicles

– Coupled M113s , Cobras and Polecats– BV-206 (SUSV)– UDES XX-20

– Vehicle Dynamics and Controls• Adaptive Suspension• Advanced Suspension

– M60– MICV (BRADLEY)

• DADS Research Initiated (1976)– AMC–74 evolved into the NRMM (1980)

• Armored Combat Vehicle Technology Program• Analytical Methods Development • Displays and Controls• Test Beds

– HIMAG– HSTV-L– Hot Rod M113

• Numerous Vehicle Applications and Acquisition Support– NRMM– DADS– FEA

Conceptual Drawing of Articulation Jointfor

Coupled M113s

Coupled M113s Prototype Keweenaw Research Center

ca. 1973

Coupled M113s Field Testing1973-1982

1973-1974 1973-1974

1973-1974 1980

Polecats BV-206

Coupled M113s Sally ????

Articulated Vehicles Winter TestingKRC - 1980

Swedish Articulated Vehicles

BV-206FSTC Foreign Vehicles Exploitation Program

UDES XX-20DEA Articulated Vehicles Collaborative Effort

Armored Combat Vehicle Technology Program(ACVT)

1976-1984

• Objectives: Determine the effects of High Mobility/Agility on Fire on the Move and Survivability

– HP/Ton Ratio– Suspension Wheel Travel, Damping, Variable Height and Active– Serpentine Maneuvers– Fire Control Algorithms, Kalman Filtering and State estimation Techniques

• High Mobility Agility Test Bed (HIMAG)– 5 or 6 Road wheels– Hydraulic Suspension - Variable Height and Damping

• 8” Minimum• 16” Maximum

– Variable Weight– Delco Fire Control System

• High Survivability Test Vehicle - Light (HSTV-L)– MCAAC weapon– Hydraulic Suspension– Texas Instruments Fire Control System

• Hot rod M113– Two Chrysler Hemi 440 cu-in Engines

• Reconfigurable Crew Station Field Demonstrators– Displays and Controls– 2 – 3 Man vs. 4 Man Crews

• Concept Development– 20 Tons or less and Airdrop – High Impulse Weapons– Internally vs. Externally Mounted

HIMAG and HSTV-L1980-1984

Hybrid Computer Bldg. 215 1977-1986

Cray 2 SupercomputerBldg. 215

1988 - 1996

Structures

Integrated

Mobility

CS/TMBSRMS

SharedData

PMBS

Dynamics

VIPER

EnvironmentShared Tools

Simulation Technologies

Pintle Motion Base SimulatorReconfigurable “N” Post Simulator

Turret Motion Base Simulator Ride Motion Simulator

Ground Vehicle Simulation Facility

Vehicle Inertial Properties Evaluation Rig

ActualActual

VISUAL DATABASES

Munson

Actual

Churchville

Perryman

Virtual

H-Field

Aberdeen Proving Ground

Actual

Virtual

Today’s Enabling Technologies

• Real-Time Dynamics Modeling

• Synthetic Environment Modeling

– Creation of Cultural Features

– Dynamic/Deformable Terrain

– Dynamic Interaction of Players (Friend and Foe)

• Motion Systems

• Computer Generated Imagery (CGI)

• Immersive Interactive Graphics

• HPC