AN1931D Freescale Semiconductor / Motorola, AN1931D Datasheet - Page 36

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

Software Design
6.2.1 Application Control Process
36
The data flows consist of the processes described in the following sections.
The Application Control process is the highest software level, which precedes settings for other
software levels.
The process state is determined by the variable appState
The application can be controlled either:
The manual/PC master application operating mode is determined by the setting of appOpMode.
For manual control, the input of this process is the Run/Stop switch and Up/Down buttons.
The PC master software communicates via omega_reqPCM_mech
from PC master software; appPcmCtrlStatus, which consists of the flags StartStopCtrl for Start/Stop;
RequestCtrl for changing the application’s operating mode appOpMode to manual or PC control; and
appFaultStatus, indicating faults.
The
appPcmCtrlStatus, brakeCtrlStatus, faultCtrlStatus.
u_dc_bus_min_fault_C
u_dc_bus_filt
Control
•
•
IO_BRAKE
Brake
other
Manually
From PC master software
brakeCtrlStatus
processes
u_dc_bus_on_brake
u_dc_bus_off_brake
TEMPERATURE_MAX_F16
Pwm_AT
Freescale Semiconductor, Inc.
3-Phase PM Synchronous Motor Vector Control
temperature_filt
are
For More Information On This Product,
Figure 6-5. Data Flow - Part 2
controlled
Pwm_AB
Go to: www.freescale.com
pmsmCtrlStatus
by
Pwm_BT
setting
PWM Generation
Fault Control
PWMEN bit
.
i_Sabc_comp
pmsmCtrlStatus,
Pwm_BB
,
which is the required angular speed
(Overvoltage/Overcurrent)
Pwm_CT
appFaultStatus
omega_required_mech,
faultCtrlStatus
PWM Faults
Check Index
PWM Outputs
Position
MOTOROLA
Pwm_CB
Software
Master
PC