Online Identification Methods of Load Rotary Inertia and Torque in Radar Servo System

Table 1

PMSM parameters and .

Rated power	1.5 kW
Rated torque	7.5 N⋅m
Rated speed	3000 r/min
Rated current	6 A
Winding resistance of stator	= 2.23
, -axis inductance	= = 22.5 mH
PM flux linkage	= 0.2865 Wb
Combined inertia	= 0.01087 kgm^2
Rotor viscous friction coefficient	= 0.004 N⋅m⋅(rad⋅
Number of pole pairs	= 3
controller 1	= 150  = 20
controller 2	= 1.8  = 0.015
controller 3	= 2.0  = 0.018