Higher-Order Sliding Mode Observer for Speed and Position Estimation in PMSM

Table 1

Motor parameters.

Parameters		Values
Rating		26 [W]
Speed	𝜔	4000 [r/min]
Stator resistance	𝑅	2.4 [Ω]
Stator inductance	𝐿	0.65 [mH]
Back EMF constant	𝐾𝐸	0.156 [Vs/rad]
Inertia	𝐽	0.004×10^−4  [Kg·m^2]
Viscous friction	𝑓𝑣	0.004×10^−4  [Nm·s/rad]
Rotor flux	𝜙𝑚	0.025
Number of pole pairs	𝑃	4