Renesas RA6T2 Application Note page 53

Sensorless vector control for permanent magnetic
synchronous motor - 1shunt current detection
Table 3-21 Configuration Options for Angle and Speed Estimation
Configuration Options (rm_motor_estimate.h)
Options
Motor Parameter | Pole pairs
Motor Parameter | Resistance (ohm)
Motor Parameter | Inductance of d-axis (H)
Motor Parameter | Inductance of q-axis (H)
Motor Parameter | Permanent magnetic flux
(Wb)
Motor Parameter | Rotor inertia (kgm^2)
Openloop damping
Natural frequency of BEMF observer
Damping ratio of BEMF observer
Natural frequency of PLL Speed estimate loop
Damping ratio of PLL Speed estimate loop
Control period
Table 3-22 Configuration Options initial value(rm_motor_estimate.h)
Options
Motor Parameter | Pole pairs
Motor Parameter | Resistance (ohm)
Motor Parameter | Inductance of d-axis (H)
Motor Parameter | Inductance of q-axis (H)
Motor Parameter | Permanent magnetic
flux (Wb)
Motor Parameter | Rotor inertia (kgm^2)
Openloop damping
Natural frequency of BEMF observer
Damping ratio of BEMF observer
Natural frequency of PLL Speed estimate
loop
Damping ratio of PLL Speed estimate loop
Control period
R01AN6840EJ0100 Rev.1.00
May 23, 2023
For Renesas Flexible Motor Control Series
Description
Pole pairs of target motor.
Resistance of motor [ohm].
D-axis inductance [H].
Q-axis inductance [H].
Magnetic flux [Wb].
Rotor inertia [kgm^2].
Select enable/disable of Open-Loop Damping
Control
Natural frequency for BEMF observer [Hz].
Damping ratio for BEMF observer.
Natural frequency for rotor position Phase-
Locked Loop [Hz].
Damping ratio for rotor position Phase-Locked
Loop.
Period of Speed Control [sec]
RA6T2 RA4T1
4 4
1.3 1.3
0.0013 0.0013
0.0013 0.0013
0.01119 0.01119
0.000003666 0.000003666
Enable Enable
1000.0 1000.0
1.0 1.0
20.0 20.0
1.0 1.0
0.0001 0.0001
RA6T3
4
1.3
0.0013
0.0013
0.01119
0.000003666
Enable
1000.0
1.0
20.0
1.0
0.0001
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