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Experimental Car and Trailer Axle Cornering Characteristics at Low Friction Conditions
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English
Abstract
To determine the axle cornering characteristics of a car and trailer combination from measurements of the vehicle motion.
Axle force generation is derived from the equations of motion of a non-dimensional mathematical model, based on the “Bicycle model” using one “averaged tire” at each axle, with the effects of steering and suspension design included in the axle cornering characteristics.
This facilitates analysis of the dynamics of the combination, including individual axle cornering characteristics and hence, characteristic velocity. The empirical “magic tire formula” was applied to the calculated axle characteristics.
Experimental results of manoeuvring on lake ice are confirmed by simulation and linear analysis.
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Authors
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Citation
Vågstedt, N., "Experimental Car and Trailer Axle Cornering Characteristics at Low Friction Conditions," SAE Technical Paper 940112, 1994, https://doi.org/10.4271/940112.Also In
References
- Vågstedt N.G. 1992 Experimental Axle Cornering Characteristics from State Variables Department of Vehicle Engineering, KTH
- Mitschke M. 1990 Dynamik der Kraftfahrzeuge, Band C 135 170 0-387-15476-0 2nd Springer Verlag
- Lesser M. 1992 Foundations of Applied Classical Mechanics Department of Mechanics, KTH
- Vågstedt N.G. 1992 The KTH Handling Test Vehicle SAE Technical Paper Series 920278 Int. Congress and Exposition Detroit, Michigan
- Zomotor A. 1987 Fahrwerktechnik: Fahverhalten 198 204 Würzburg Vogel-Fachbuch 3-8023-0774-7
- Bakker E. Pacejka H.B. Lidner L. 1989 A New Tire Model with an Application in Vehicle Dynamics Studies SAE Technical Paper Series 890087 4th Auto technologies Conference Monte Carlo
- Vågstedt N.G. 1991 The Vehicle Pendulum Rig Department of Vehicle Engineering, KTH