AN1931D Freescale Semiconductor / Motorola, AN1931D Datasheet - Page 35

• Manufacturer Part Number: AN1931D
• Description: 3-Phase PM Synchronous Motor Vector Control
• Manufacturer: Freescale Semiconductor / Motorola

MOTOROLA
6.2 Data Flow
Software
Master
reloadSWtmrSpeedControl
The PM synchronous motor vector control drive control algorithm is described in the data flow charts
shown in
names.
theta_align_el_C
PC
omega_actual_mech
appFaultStatus
Start/Stop
faultCtrlStatus
Switch
PHASEA,PHASEB,INDEX
Position, Speed
Pwm_AT
Figure 6-4
Measurement
reloadSWtmrAlignment
omega_required_mech
and
Up/Down
Buttons
Pwm_AB
Freescale Semiconductor, Inc.
3-Phase PM Synchronous Motor Vector Control
theta_actual_el
Figure
For More Information On This Product,
Figure 6-4. Data Flow - Part 1
6-5. The variables and constants described should be clear from their
omega_reqPCM_mech
Go to: www.freescale.com
Pwm_BT
PWM Generation
appPcmCtrlStatus
Application
Control
pwmABC
Control
PMSM
pmsmCtrlStatus
Pwm_BB
Master
i_Sabc_comp
PC
anSensingCtrlStatus
(Temperature, DCBus volt.
,
Phase Currents a,b,c)
Analog Sensing
appOpMode
Pwm_CT
brakeCtrlStatus
svmSector
i_Sa, i_Sb, i_Sc
temperature
coefBEMF, coefBEMFShift
u_dc_bus
Pwm_CB
appState
SVM_INV_INDEX,
SVM_INV_INDEX,
u_dc_bus_filt
u_Reserve_FW
i_Sd_Alignment
PWM Outputs
I_SDQ_MAX
u_OverMax
Software Design
Indication
temperature_filt
u_dc_bus
Green LED
LED
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