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 |