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Table 1 Vehicle parameters, symbols, and quantities

From: Implementation of vector control on electric vehicle traction system

Parameter Symbol and quantity
Length L = 1.25 m
Width W = 0.65 m
Mass of vehicle M = 22.15 kg
Gross vehicle weight GW = 217 kg ms−2
Co-efficient of rolling resistance Cr = 0.017 for fair asphalt
Cr = 0.060 for firm sand
Total tractive effort TE
Fractional losses Rf
Body moment of inertia J
Tire radius R
Steering angle δ
Acceleration due to gravity g = 9.81 m/s2
Inclination angle Θ<, = 15°
Desired rotor flux Ψ*r = 0.85