Μs] Period Interrupt (Carrier Synchronized Interrupt) Process - Renesas RA6T2 Application Note

RA6T2
Vector control for permanent magnetic synchronous motor with encoder - AB incremental type encoder
3.4.2 50[µs] Period Interrupt (Carrier synchronized Interrupt) Process
Figure 3-18 50[µs] Period Interrupt (Carrier Interrupt) Process Flowchart
R01AN6208EJ0101 Rev.1.01
Oct 18, 2022
Carrier synchronous interrupt
Encoder counter processing
Get U phase and W phase current values
Get inverter bus voltage value.
Error check
Current offset detection
Calculate V-phase current
SYSTEM MODE
[ACTIVE]
offset adjustment
[confirmed]
Angle and speed calculation
Angle and speed related Process
(UVW)- (d-q) Transform
Current PI control
Decoupling control
Voltage limit
Phase-lead compensation
(d-q)-(UVW) Transform
Voltage error compensation
PWM duty calculation
PWM register setting
End
[INACTIVE]
[unconfirmed]
U phase and W phase current
offset adjustment
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