參數(shù)資料
型號(hào): DRM026
英文描述: 3-Phase BLDC Motor Control with Sensorless BACK-EMF ADC Zero Crossing Detection Using 56F805
中文描述: 三相無刷直流電動(dòng)機(jī)控制傳感器反電動(dòng)勢(shì)過零檢測(cè)ADC的使用56F805
文件頁數(shù): 15/66頁
文件大小: 1157K
代理商: DRM026
DRM020 — Rev 0
Designer Reference Manual
MOTOROLA
System Description
15
Designer Reference Manual — 3-Phase ACIM Drive with Tachogenerator
Section 2. System Description
2.1 Contents
2.2
System Concept . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
2.3
Volt-per-Hertz Control Technique. . . . . . . . . . . . . . . . . . . . . . .17
2.2 System Concept
The system is designed to drive a 3-phase AC induction motor. The
microcontroller runs the main control algorithm. According to the user
interface input and feedback signals, it generates 3-phase PWM output
signals for the motor inverter.
For the drive, a standard system concept is chosen (see
Figure 2-1
).
The system incorporates the following hardware parts:
power supply rectifier,
three-phase inverter,
optoisolation
feedback sensors: DC-Bus voltage, DC-Bus current,
tachogenerator for motor speed measurement,
microcontroller MC68HC908MR32.
The drive can basically be controlled in two different ways (or operating
modes) that can be set by an on-board jumper.
In the Manual Operating Mode, the required speed is set by
Start/Stop switch, Forward/Reverse switch and speed
potentiometer.
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
相關(guān)PDF資料
PDF描述
DRM027 3-Phase Sensorless BLDC Motor Control with Back-EMF Zero Crossing Detection Using 56F805
DRM028 Sensorless BLDC Motor Control Using the MC68HC908MR32
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DRM034 PC CAN Interface
DRM035 Power Line Modem Reference Design
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