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AVR194: Brushless DC Motor Control using
ATmega32M1
8-bit
Features
? BLDC Motor Basics
? Hardware Implementation
? Code Example
Microcontroller
Application Note
References
[1] ATmega32/64/M1/C1 data sheet
[2] AVR138: ATmega32M1 family PSC Cookbook
[3] AVR430: MC300 Hardware User Guide
[4] AVR470: MC310 Hardware User Guide
1. Introduction
This application note describes how to implement a brushless DC motor control in
sensor mode using the ATmega32M1 AVR microcontroller.
The high performance AVR core fitted with Power Stage Controller module of
ATmega32M1 allows to design high speed brushless DC motor applications.
In this document, we will give a short description of brushless DC motor theory of
operations, we will detail how to control a brushless DC motor in sensor mode and we
will also give a short description of the ATAVRMC310 and ATAVRMC300 boards
used in this application note.
Software implementation is also discussed with software control loop using a PID
filter.
This application note deals only with BLDC motor control application using Hall effect
position sensors to control commutation sequence.
2. Theory of Operation
Brushless DC motors are used in a growing number of motor applications as they
have many advantages:
They have no brushes so they require little or no maintenance.
They generate less acoustic and electrical noise than universal brushed DC motors.
They can be used in hazardous operation environments (with flammable products).
8138A–AVR–04/08
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相关代理商/技术参数
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ATAVRMC303 功能描述:BOARD EVAL MOTOR CTRL W/XMEGA RoHS:是 类别:编程器，开发系统 >> 评估演示板和套件 系列:AVR® 标准包装:1 系列:- 主要目的:数字电位器 嵌入式:- 已用 IC / 零件:AD5258 主要属性:- 次要属性:- 已供物品:板 相关产品:AD5258BRMZ1-ND - IC POT DGTL I2C1K 64P 10MSOPAD5258BRMZ10-ND - IC POT DGTL I2C 10K 64P 10MSOPAD5258BRMZ100-ND - IC POT DGTL I2C 100K 64P 10MSOPAD5258BRMZ50-ND - IC POT DGTL I2C 50K 64P 10MSOPAD5258BRMZ1-R7-ND - IC POT DGTL I2C 1K 64P 10MSOPAD5258BRMZ10-R7-ND - IC POT DGTL I2C 10K 64P 10MSOPAD5258BRMZ50-R7-ND - IC POT DGTL I2C 50K 64P 10MSOPAD5258BRMZ100-R7-ND - IC POT DGTL I2C 100K 64P 10MSOP
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