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Determination of Lateral Axle Data of Heavy Vehicle Combinations
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English
Abstract
Steady state non-linear cornering properties, giving the lateral slip to force characteristics of individual axles as result are determined from experimental data. The handling diagram of the vehicle combination facilitates an examination of any unstable steady state yaw response. The method offers a viable alternative to the traditional constant radius test.
Axle data is derived using the bicycle model via measurements taken during handling manoeuvring while the magic tire formula is used for adaptation of measured axle data into mathematical representation.
The results of axle data evaluation, using a semi-trailer combination, manoeuvring over high friction surface conditions are presented.
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Citation
Vågstedt, N. and Dahlberg, E., "Determination of Lateral Axle Data of Heavy Vehicle Combinations," SAE Technical Paper 973188, 1997, https://doi.org/10.4271/973188.Also In
References
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- Vågstedt N.G. 1994 Experimental Car and Trailer Axle Cornering Characteristics at LowFriction Conditions SAE Technical Paper Series 94012 Sub Zero Engineering Conditions Conference Brainerd, Minnesota, USA
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- Pacejka H.B. 1973 Simplified Analysis of Steady Turning Behaviour of Motor Vehicles, parts 2 & 3 Vehicle Systems Dynamics 2 4 Dec 1973
- MATLAB™ manual MathWorks, Inc.
- Pacejka H.B. 1988 Modelling of the pneumatic tyre and its impact on vehicle dynamic behaviour Delft 1988 Delft University of Technology, Faculty of Mech Eng, Vehicle Research Laboratory
- Lesser M. 1995 The Analysis of Complex Nonlinear Mechanical Systems, A Computer Algebra Assisted Approach 981-02-2209-2 World Scientific Publishing Co.