Abstract
The increase in interest in electric vehicles is associated primarily with the actions of states that seek to sell new vehicles with low emissions of harmful compounds into the atmosphere. This is codified by emission standards. One of the solutions of the exhaust emission problem is the use of the electric drive (assuming that electricity comes from renewable sources). The electric drive system can be developed in several ways, depending on how the drive torque is transmitted: by gears or directly to each wheel. These constructional solutions affect the largeness of unsprung masses and require proper selection of vehicle suspensions. Series of tests and simulations has been carried out to verify the mathematical model proposed for the rear suspension system with electric motors mounted in the wheels. The simulation model has been prepared in the MSC.Adams package. This model was (tuned) verified by comparison the dynamic response of the system with the experimental results. The verified model was used to analyse the impact of the shock absorber damping characteristics on tire deflection and contact forces acting between the road and tire.
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