AN1931D Freescale Semiconductor / Motorola, AN1931D Datasheet - Page 54
AN1931D
Manufacturer Part Number
AN1931D
Description
3-Phase PM Synchronous Motor Vector Control
Manufacturer
Freescale Semiconductor / Motorola
Datasheet
1.AN1931D.pdf
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SDK Implementation
54
The 3-Phase PM Synchronous Motor Vector Control utilizes PC master software for remote control
from a PC. It enables the user to:
Variables read by the PC master software as a default and displayed to the user are:
The profiles of required and actual speeds, together with the desired I
the Speed Scope window.
The course of quickly-changing variables can be observed in the Recorder windows, displayed by the
PC master’s Speed Scope. The Recorder can only be used when the application is running from
External RAM, due to the limited on-chip memory. The length of the recorded window may be set in
Recorder Properties => bookmark Main => Recorded Samples. The dedicated memory space is
defined in the appconfig.h file of the ExtRAM target. The recorder samples are taken every 125 sec.
The following records can be captured:
The PC master software Control Page is illustrated in
actual speeds can be seen in the Speed Scope window.
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Control the PC master software
Start/stop control
Set the motor speed
Required Speed of the motor
Actual Speed of the motor
Application status
— Init
— Stop
— Run
— Fault
DCBus voltage level
Identified line voltage
Fault Status
— No_Fault
— Overvoltage
— Overcurrent
— Undervoltage
— Overheating
Identified Power Stage
Required speed
Actual speed
Desired I
Desired I
d
q
current
current
Freescale Semiconductor, Inc.
3-Phase PM Synchronous Motor Vector Control
For More Information On This Product,
Go to: www.freescale.com
Figure
8-1. The profiles of the required and
d
and I
q
currents can be seen in
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