Electronic Differentials with Active Torque Distribution for IWD Vehicles

This paper concerns proposal the simulation model of Individual-Wheel Drive (IWD) with electronic differentials. The MATLAB/Simulink environment is used for simulation model of the electronic differential and electronic centre differential for real IWD vehicle called “Democar”. One of the components that affect the resulting behaviour of the vehicle is a mechanical differential. The work is the first part based on the description of the behaviour of vehicles in terms of driving performance. Based on the analysis of the requirements on stability of the vehicle was developed his mathematical description. From the mathematical description, there is also a general simulation model vehicles with separate all-wheel drive. This model allows to simulate a variety of driving situations and compare the influence of torque control on individual wheels resulting behaviour of the vehicle. The results of the simulations it is possible to create an optimal control algorithm high-level control system to separate all-wheel drive IWD. The work is focused on the management of electronic differential and electronic centre differential with active torque distribution.