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DSPIC33FJ128MC706A-E/PT 开发手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
微控制器
封装:
TQFP-64
描述:
16位 DSC 带128 KB闪存 采用64引脚TQFP封装
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DSPIC33FJ128MC706A-E/PT数据手册
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© 2005 Microchip Technology Inc. DS01017A-page 1
AN1017
INTRODUCTION
This application note describes a method of driving a
sensored Permanent Magnet Synchronous Motor
(PMSM) with sinusoidal currents controlled by a
dsPIC30F Digital Signal Controller (DSC). The motor
control firmware uses the dsPIC30F peripherals while
the mathematical computations are performed by the
DSP engine. The firmware is written in ‘C’ language,
with some subroutines in assembly to take advantage
of the special DSP operations of the dsPIC30F.
APPLICATION FEATURES
• Sinusoidal current generation for controlling
PMSM motor phases using Space Vector
Modulation (SVM)
• Synchronization of sinusoidal voltages to PMSM
motor position
• Four-quadrant operation allowing forward,
reverse and braking operation
• Closed-loop speed regulation using digital
Proportional Integral Derivative (PID) control
• Phase advance operation for increased speed
range
• Fractional math operations performed by the DSP
engine of the dsPIC
®
DSC
MOTOR CONTROL WITH DIGITAL
SIGNAL CONTROLLERS
The dsPIC30F Motor Control family is specifically
designed to control the most popular types of motors,
including AC Induction Motors (ACIM), Brushed DC
Motors (BDC), Brushless DC Motors (BLDC) and Per-
manent Magnet Synchronous Motors (PMSM), to list a
few. Several application notes have been published for
ACIM operation (AN984, AN908 and GS004) and
Brushless DC Motor Control operation (AN901, AN957
and AN992) based on the dsPIC30F motor control fam-
ily. These application notes are available on the the
Microchip web site (www.microchip.com).
This application note demonstrates how the
dsPIC30F2010 is used to control a sensored PMSM
motor with sinusoidal voltages. The design takes
advantage of dsPIC30F peripherals specifically suited
for motor control: Motor Control Pulse Width Modula-
tion (MCPWM) and high-speed A/D Converter. The
DSP engine of the dsPIC30F2010 supports the
necessary fast mathematical operations.
The dsPIC30F2010 family member is a 28-pin 16-bit
DSC specifically designed for low-cost/high efficiency
motor control applications. The dsPIC30F2010
provides these key features:
• 30 MIPS processing performance
• Six independent or three complementary pairs of
dedicated Motor Control PWM outputs
• Six-input, 1 Msps ADC with simultaneous sam-
pling capability from up to four inputs
• Multiple serial communications: UART, I
2
C™ and
SPI
• Small package (6 mm x 6 mm QFN) for
embedded control applications
• DSP engine for fast response in control loops
HARDWARE REQUIRED
You will need the following hardware to implement the
described motor control application:
• PICDEM™ MCLV Development Board (Figure 1)
• Hurst DMB0224C10002 BLDC Motor
• 24 VDC Power Supply
You can purchase these items from Microchip as a
complete kit or as individual components. Check the
Development Tools section of the Microchip web site
for ordering information.
FIGURE 1: PICDEM™ MCLV
DEVELOPMENT BOARD
Author: Jorge Zambada
Microchip Technology Inc.
Sinusoidal Control of PMSM Motors with dsPIC30F DSC
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