Optimisation of mass and geometric vehicle parameters for multiple drive wheel trucks
by Vladimir V. Vantsevich, M.S. Vysotski, Lev K. Gileles, Andrei M. Zakharik, Gemunu S. Happawana, Osita D.I. Nwokah
International Journal of Vehicle Design (IJVD), Vol. 25, No. 3, 2001

Abstract: To develop better performing vehicles for ground transportation, it is necessary to improve the theory on vehicle dynamics for choosing suitable mass and geometric parameters for highway as well as for off-road trucks. A new approach is required for choosing such optimal mass and geometric parameters. The present paper is devoted to this problem. A new method for synthesis of mass and geometric parameters is suggested here. The method allows us to synthesise the parameters in such a way as to provide a vehicle with the best transport efficiency in various road surface conditions. Constraints such as limitations on these parameters, vehicle running modes, mass and geometric parameters are included in the model. Furthermore, other constraints for vehicle running abilities which are dependent on mass and geometric parameters, as well as an algorithm for synthesising mass and geometric parameters, are also included in the paper needed for pre-optimisation process. The methodology is developed for a generic truck having m2 axles for the tractor and k2 axles for the semi4railer including an optimisation scheme for mass and geometric parameters to provide optimal traction and maximum force distribution among drive wheels for improved transport and fuel efficiency.

Online publication date: Mon, 18-Aug-2003

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