Modelling and analysis of gradient effect on the dynamic performance of three-wheeled vehicle system using Simscape

Abstract

In India, three-wheeled electric vehicles are one of the important modes of public transport in congested areas. The gradient is an important factor that affects the dynamic performance of the vehicle. The proposed work presents an extensive analysis of the gradient effects on the dynamic performance of a three-wheeled solar electric vehicle. Firstly, we have designed the physical vehicle model of three-wheeled using Simscape ® environment tool. The generated torque from "ideal torque source" block is transferred to the input drive shaft of the "differential" mechanism. The output drive shafts of "sun gears" or "differential" block are connected to the rear left as well as to the right wheels respectively. The "ideal translational motion sensor" subsystem block measures the speed and distance of the vehicle. Next, to examine the gradient effects and accuracy of the Simscape model, we have designed the longitudinal vehicle model of a threewheeled electric vehicle. Undertaken a comparative analysis of the Simscape ® models' results from the longitudinal vehicle model for three different road gradient condition having a slope of zero degrees (0°), six degrees (6°) and twelve degrees (12°) respectively.

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