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Model Validation of The 1997 Jeep Cherokee For the National ...

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dynamics model for a 1997 Jeep Cherokee to be used for. the National Advanced Driving Simulator. Vehicle. handling and powertrain dynamics are evaluated and ...

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Model Validation of The 1997 Jeep Cherokee For the National Advanced Driving SimulatorPage 1010700Model Validation of The 1997 Jeep Cherokee For the National Advanced Driving SimulatorM. Kamel SalaaniTransportation Research Center Inc. Gary J. HeydingerS.E.A. Inc. Copyright 2000 Society of Automotive Engineers Inc.ABSTRACTThis paper presents an evaluation of a complete vehicle dynamics model for a 1997 Jeep Cherokee to be used for the National Advanced Driving Simulator. Vehicle handling and powertrain dynamics are evaluated and simulation results are compared with experimental fieldtesting. NADSdyna the National Advanced Driving Simulator vehicle dynamics software is used. The Jeep evaluation covers vehicle directional dynamics that include steady state transient and frequency response and vehicle longitudinal dynamics that include acceleration and braking.INTRODUCTIONThe National Advanced Driving Simulator (NADS) is a stateoftheart realtime vehicle driving simulator funded by the U.S. Department of Transportations National Highway Traffic Safety Administration (NHTSA) 1]. NADS will materially assist federal agencies commercial organizations and researchers in general in enhancing human factors and crash avoidance research hardwareintheloop simulation and design including intelligent transportation systems applications and other subjects related to highway safety. When operational NADS will have initially four vehicle models: Ford Taurus JeepCherokee Chevrolet Malibu and a tractorsemitrailer. An advanced driving simulator such as the NADS must include a detailed highly accurate vehicle dynamics simulation to predict the movements of the simulatedvehicle in response to both control and disturbance inputs. To show accuracy the simulation must be validated thoroughly with experimental results. The Ford Taurus was validated extensively and the results were published26]. Those results confirmed ...

Source: www-nrd.nhtsa.dot.gov

 

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