Extended State Observer-Based Sliding Mode Control with New Reaching Law for PMSM Speed Control

Table 1

The parameters of PMSM.

Features	Values
(resistance)	0.37 ohm
(-axis inductance)	4.2 mH
(motor inertia)	1.23 kg⋅m^2
(torque constant)	20.0023 Nm
(friction coefficient)	0.003035 Nm⋅s
(number of poles)	28
(rated speed)	375 rpm
(rated torque)	764 Nm