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Vehicle Dynamics Modeling for the National Advanced Driving Simulator of a 1997 Jeep Cherokee
Technical Paper
1999-01-0121
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This paper discusses the development of the 1997 Jeep Cherokee model for the National Advanced Driving Simulator's planned vehicle dynamics software, NADSdyna. Recursive rigid body formalism called the Real Time Recursive Dynamics (RTRD) developed by the University of Iowa is used to model the front and rear suspension mechanisms. To complement vehicle dynamics for simulator applications, subsystems that include tires, aerodynamics, powertrain, brake, and steering are added to the rigid body dynamics model. These models provide high fidelity driving realism to simulate severe handling maneuvers in real time. The soundness of the model does not only depend on the mathematics of the model, but also on the validity of the parameters. Therefore, this paper discusses thoroughly the methodology of parameters estimation. A generic model of cruise control is included. All these subsystems complemented with rigid-body models of the front and rear suspensions constitute a comprehensive fundamental vehicle dynamics model for NADS.
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Salaani, M., Guenther, D., and Heydinger, G., "Vehicle Dynamics Modeling for the National Advanced Driving Simulator of a 1997 Jeep Cherokee," SAE Technical Paper 1999-01-0121, 1999, https://doi.org/10.4271/1999-01-0121.Also In
References
- Haug, E. J. et al. “Feasibility Study and Conceptual Design of a National Advanced Driving Simulator,” March 1990
- Salaani, M. K. “Development and Validation of a Vehicle Model for the National Advanced Driving Simulator,” The Ohio State University Columbus, Ohio 1996
- Salaani, M. K. Chrstos, J. P. Guenther, D. A. “Parameter Measurement and Development of a NADSdyna Validation Data Set for a 1994 Ford Taurus,” SAE Paper 970564 February 1997
- Salaani, M.K. “Powertrain and Brake Modeling of the 1994 Ford Taurus for the National Advanced Driving Simulator,” SAE 981190 February 1998
- NADS Vehicle Dynamics Simulation, Release 4.0 Center for Computer-Aided Design, National Advanced Driving Simulator The University of Iowa Iowa City, IA
- Segel, L. “An Overview of Developments in Road-Vehicle Dynamics: Past, Present, and Future,” Proceedings of The Institution of Mechanical Engineers, Automobile Division 1993
- Bae, D.S. Haug, E.J. “A Recursive Formulation for Constrained Mechanical Systems, Part I Open Loop,” Mechanics of Structures and Machines 15 3 359 382 1987
- Bae, D.S. Haug, E.J. “A Recursive Formulation for Constrained Mechanical Systems, Part II Closed Loop,” Mechanics of Structures and Machines 15 4 1987
- Tsai, F.F. Haug, E.J. “Automated Methods for High Speed Simulation for Multi-body Dynamic Systems,” Center for Computer Aided Design The University Of Iowa 1989
- Salaani, M. K. Heydinger, G. J. Guenther, D. A. ℌValidation Results from Using NADSdyna Vehicle Dynamics Simulations,” SAE Paper 970565 February 1997
- Heydinger, G.J. “Vehicle Inertia Measurement Facility, Suspension Kinematics and Compliance, Shock Absorber, and Suspension Component Geometric and Inertia Measurement for 1997 Jeep Cherokee Sport,” SEA Inc. 7349 Worthington-Galena Rd., Columbus, Ohio 43085 July 1997
- Fancher, P.S. Ervin, R.D. MacAdam, C.C. Winkler, C.B. “Measurement and Representation of Mechanical Properties of Truck Leaf Springs,” SAE Paper 800905
- Cebon, D. “Simulation of the Response of Leaf Springs to Board Band Random Excitation,” Vehicle Systems Dynamics 15 1986 375 392
- Jim Bernard Chris Clover “Tire Modeling for Low-speed and High-Speed Calculations,” SAE Paper 950311 February 1995
- Lee, S. W. “Development of New Dynamic Tire Model For Improved Vehicle Dynamics Simulation,” The Ohio State University Columbus, Ohio 1994
- Allen, R. W. Rosenthal, T. J Chrstos, J. P. “A vehicle Dynamics Tire Model for Both Pavement and Off-Road Conditions,” SAE Paper 970559 February 1997
- Pottinger, M. G. “Flat-Track II Machine helps in Tire Force Moment Measuring,” Rubber and Plastic News March 19 1990
- Grover, P.S. “Modeling of rolling resistance,” February 1998 SAE Paper 980251
- “Vehicle Aerodynamics Terminology,” SAE Recommended Practice, SAE J1594 JUN87, SAE Handbook 4 1991
- Brown, L.P. “Low speed wind tunnel test to measure six-component balance data on a 1997 Jeep Cherokee 4×4,” Lockheed Martin Aeronautical Systems Marietta Georgia July 1997
- Users Manual -Low Speed Wind Tunnel Lockheed Aeronautical Systems Company January 1989
- Bergman, W. “Effects of Compliances on Vehicle Handling Properties,” SAE Paper 700369 , International Automobile Safety Conference Compendium 226 235 February 1970
- Haug, Edward J. Computer-Aided Kinematics and Dynamics Of Mechanical Systems Volume I: Basic Methods Needham Heights, MA Allyn and Bacon 1989
- Clark, Samuel K. Mechanics of Pneumatic Tires National Bureau of Standards Contract CST-386, U.S. Department of Commerce November 1971
- Allen, R. W. Rosenthal, T.J. Szostak, H.T. “Analytical Modeling of Driver Response in Crash Avoidance Maneuvering,” Systems Technology, Inc. April 1988
- Allen, R. W. “Vehicle Dynamic Stability and Rollover,” Systems Technology, Inc. January 1991
- Haug, E. J. Intermediate Dynamics Prentice Hall 1990
- Riley, W. G. et al. “Methodology for Validating the National Advanced Driving Simulator's Vehicle Dynamics (NADSdyna),” SAE Paper 970562 February 1997
- Segal, L. “On the Lateral Stability and Control of the Automobile as Influenced by the Dynamics of the Steering Systems,” Journal of Engineering for Industry, Trans. of ASME 283 295 1966
- Kortum, W. Schiehlen, W. “General Purpose Vehicle System Dynamics Software Based on Multi-body Formalisms,” Vehicle System Dynamics 14 229 263 1985
- Norman, K. N. Giannopoulos, F. “Recent Advances and Computational Aspects of Modeling Active and Passive Vehicle Suspensions,” Computational Methods in Ground Transportation Vehicles 50 ASME 1982 75 115
- Orlandea, N. Chace, M., A. “Simulation of a Vehicle Suspension with the ADAMS Computer Program,” SAE paper 770053 February 1977
- Herbert, L. Dodlbacher, G. “A Mathematical “Prototype” of the Vehicle To Describe Vehicle Handling Behavior,” Vehicle System Dynamics
- Rai, N.S. Solomon, A. R. Angell, J.C. “Computer Simulation of Suspension Abuse Tests Using ADAMS,” SAE paper 820079 February 1982
- Segel, L. Lang, H. H. “The Mechanics of Automotive Hydraulic Dampers at High Stroking Frequencies,” Vehicle Systems Dynamics 10 79 83 1981
- Antoun, R. J. Hackert, P.B. O'Leary M. C. Sitchin A. “Vehicle Dynamic Handling Computer Simulation - Model Development, Correlation, and Application Using ADAMS,” SAE Paper 860574 February 1986
- Chase, M.A. “Methods and Experience in Computer Aided Design of Large-Displacement Mechanical Systems,” NATO-NSF-ARO Advanced Study Institute On Computer Aided Analysis and Optimization Of Mechanical System Dynamics August 1983 223 256
- Wehage, R.A. Haug, E.J. “Generalized Coordinate Partitioning of Dimension Reduction in Analysis of Constrained Dynamic Systems,” Trans. ASME, Journal of Mechanical Design 104 January 1982 247 255
- Ahmed, S. R. Gawthorpe, R. G. Mackrodt, P. A. “Aerodynamics of Road and Rail Vehicles,” Vehicle System Dynamics 14 319 392 1985
- Greenberg, J. A. Park, J. T. “The Ford Driving Simulator,” SAE Paper 940176 February 1994
- Ramano, R. A. Stoner, J. W. Evans, D. F. “Real Time Vehicle Dynamics Simulation: Enabling Tool for Fundamental Human Factors Research,” SAE paper 910237 February 1991
- Allen, R. W. Rosenthal, T. J. “Requirements for Vehicle Dynamics Simulation Models,” SAE Paper 940175 February 1994
- Freeman, J. S. et al. “The Iowa Driving Simulator: An Implementation and Application Overview,” SAE Paper 950174 February 1995
- Starkey, J. M. “The effects of Vehicle Design Parameters on Handling Frequency Response Characteristics,” International Journal Of Vehicle Design 14 5/6 497 510 1993
- Sayers, M. W. Mousseau, C.W. “Real-Time Vehicle Dynamic Simulation Obtained With a Symbolic Multi-body Program,” Advanced Automotive Technologies Symposium, ASME Winter Annual Meeting 1991
- Miliken, W. F. Miliken, D. L. Race Car Vehicle Dynamics Society of Automotive Engineers, Inc. 1995
- Gillespie, T. D. Fundamentals of Vehicle Dynamics Society of Automotive Engineers, Inc. 1992
- Garrott, R. Scott, R. A. “Improvement of Mathematical Models for Simulation of Vehicle Handling,” V.7: Technical Manual for the General Simulation