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A Primer on Nonlinear, Steady-State Vehicle Turning Behavior
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English
Abstract
A simple, linear vehicle model is presented which incorporates the most important characteristics of contemporary passenger cars. It is a three mass model with a fixed, inclined roll axis and linear suspension geometric and compliance characteristics.
Basic concepts of understeer and oversteer are presented. Static and dynamic requirements are examined, yielding expressions relating the car's design to tire lateral load transfer, total lateral force, and turn radius. Turn kinematics give expressions for the front steer angle and sideslip angle. Suspension geometric and compliance effects describe the rear steer angle, tire inclination angles, and steering wheel angle divided by the overall steering ratio.
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Citation
Topping, R., "A Primer on Nonlinear, Steady-State Vehicle Turning Behavior," SAE Technical Paper 741096, 1974, https://doi.org/10.4271/741096.Also In
References
- Bundorf R. T. “A Primer on Vehicle Directional Control.” General Motors Engineering Publication 1968
- “Vehicle Dynamics Terminology.” New York Society of Automotive Engineers January 1973
- Bundorf R. T. “The Influence of Vehicle Design Parameters on Characteristic Speed and Understeer.” SAE Transactions 76 1967 paper 670078
- Leffert R. L. “Instrumentation for Characteristic Speed Measurement.” General Motors Engineering Publication 1968
- Nordeen D. L. “Tire Properties Affecting Vehicle Ride and Handling.” SAE Transactions 77 1968 paper 680409
- Del Toro V. Parker S. R. “Principles of Control Systems Engineering.” New York McGraw-Hill 1960
- Organick E. I. “A Fortran IV Primer.” Reading Massachusetts Addison-Wesley 1967
- Shames I. H. “Engineering Mechanics.” Englewood Cliffs Prentice-Hall 1961