无感无刷直流电机之电调设计全攻略
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无感无刷直流电机之电调设计全攻略
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3.4 启动算法..........................................................................................................................63 1. 函数Anwerfen启动流程分析....................................................................................63 2. 启动算法机理探究....................................................................................................65
1.2 内转子无刷直流电机的工作原理....................................................................................3 1. 磁回路分析法.............................................................................................................4 2. 三相二极内转子电机结构..........................................................................................5 3. 三相多绕组多极内转子电机的结构 ..........................................................................7
3. 无感无刷电调的软件设计........................................................................................................52
3.1 电流检测..........................................................................................................................52 3.2 定时器延时与PWM信号 ................................................................................................53
无感无刷直流电机之 电调设计全攻略
无感无刷直流电机之电调设计全攻略
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前 言 ...................................................................................................................................Βιβλιοθήκη Baidu..........1
2. 无感无刷电调的驱动电路设计................................................................................................30
2.1 电池电压监测电路..........................................................................................................30 2.2 换相控制电路..................................................................................................................30
1. 六臂全桥驱动电路原理............................................................................................31 2. 功率场效应管的选择................................................................................................33 2.3 电流检测电路..................................................................................................................45 2.4 反电势过零检测电路......................................................................................................49 2.5 制作你自己的电调线路板..............................................................................................50
1.3 外转子无刷直流电机的工作原理.....................................................................................8 1. 一般外转子无刷直流电机的结构..............................................................................8 2. 新西达 2212 外转子电机的结构................................................................................8
1. 无刷直流电机基础知识..............................................................................................................2
1.1 三个基本定则....................................................................................................................2 1. 左手定则......................................................................................................................2 2. 右手定则(安培定则一)..........................................................................................3 3. 右手螺旋定则(安培定则二)..................................................................................3
1.5 换相与调速......................................................................................................................19 1. 换相基本原理............................................................................................................19 2. 新西达 2212 电机的换相分析..................................................................................24 3. 调速............................................................................................................................28
1. 定时器初始化............................................................................................................54 2. 定时器T0 的溢出中断服务程序 ..............................................................................54 3. 利用T0 延时(毫秒极) ..........................................................................................54 4. 利用T0 延时(微秒极) ..........................................................................................55 5. PWM信号的产生 .....................................................................................................55 3.3 过零事件检测与电机换相..............................................................................................56 1. BLMC.h中定义的宏 ................................................................................................56 2. 过零检测与换相代码分析.......................................................................................59
1.4 无刷直流电机转矩的理论分析......................................................................................14 1. 传统的无刷电机绕组结构........................................................................................14 2. 转子磁场的分布情况................................................................................................15 3. 转子的受力分析........................................................................................................16 4. 一种近似分析模型....................................................................................................18