AN1917D Freescale Semiconductor / Motorola, AN1917D Datasheet - Page 11

• Manufacturer Part Number: AN1917D
• Description: 3-Phase PM Synchronous Motor Control with Quadrature Encoder Using DSP56F80x
• Manufacturer: Freescale Semiconductor / Motorola

MOTOROLA
Note:
4.2 Application Description
The introduced PM Synchronous drive is designed to power a low-voltage PM Synchronous motor
equipped with a Quadrature Encoder, which is supplied with the EVM Motor Board. The motor has
the following specifications:
A standard system concept is chosen for the drive (see
following hardware boards:
The DSP runs the main control algorithm. According to the user interface and feedback signals it
generates 3-phase PWM output signals for the AC/BLDC inverter.
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Motor Specification:
Control technique incorporates:
— Voltage PM Synchronous motor control with speed-closed loop
— Both directions of rotation
— Motoring mode
— Start from any motor position without rotor alignment
— Minimum speed 50 RPM
— Maximum speed 1000 RPM (limited by power supply)
Manual interface (Start/Stop switch, Up/Down push button control, Led indication)
PC master software control interface (motor start/stop, speed set-up)
PC master software monitor
— PC master software graphical Control Page (required speed, actual motor speed, start/stop
— PC master software Speed Scope (observes actual & desired speeds)
DC-Bus under-voltage fault protection
The EMV Motor kit includes the 3-phase BLDC motor. Since the BLDC motor has very
similar behaviors as PM Synchronous motor (see
for this application instead of the PM Synchronous motor.
Power Supply 12V DC, 4Amps
EVM Motor Board
BLDC Motor IB23810 with Quadrature Encoder
Evaluation Board DSP56F803, DSP56F805 or DSP56F807
Position Sensor
Specification:
status, DC-Bus voltage level, system status)
Table 4-1. Specifications of the 3-Phase BLDC Motor
3-Phase PMSM Control with Quadrature Encoder
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
eMotor Type:
Phase Current:
Sensor 1 Type:
Sensor 2 Type:
Speed Range:
Line Voltage:
Section
Figure
3.1) the BLDC motor may be used
4-1). The system incorporates the
500 Pulses Per Revolution
3-Phase Hall Sensors
3-Phase BLDC Motor
Quadrature Encoder
< 5000 RPM
4 Poles
60V
2A
System Concept
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