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1 Bulletin of the Polish Academy of Sciences. Technical Sciences

1 2013

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Dynamics simulation studies on the electric city car with an electromechanical differential and the rear wheels drive

Kozłowski M., Choromański W.

Bulletin of the Polish Academy of Sciences. Technical Sciences

2013

Vol. 61, nr 3

661--673

Here we present one of the more complex models for studying the stability of driving an electric car with electromechanical differential systems. The purpose of simulation is to choose a structure of the control system for a velocity control on driven wheels (an algorithm of a differential) most appropriate for the driver. This type of goal is particularly important in the case of a disabled driver sitting in a wheelchair. The modeling takes into account both the mechanical and electric structure of the vehicle, and finally the human element - a simple model of human impact on the steer by a wire system. Modeling and simulation have used MBS package (SimMechanics). The results of the simulation have showed the best algorithms of an electromechanical differential for the velocity control of rear drive wheels: with setting a velocity difference or with an average velocity controller in the point A of the centre of a car front axle.