XMC1300 无感FOC风机控制
Transcript of XMC1300 无感FOC风机控制
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XMC1300 无感FOC风机控制
2014英飞凌XMC 微控制器巡回研讨会
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XMC1300无感FOC风机控制
直流无刷风机市场
英飞凌FOC控制方案介绍
相关评估套件
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XMC1300无感FOC风机控制
直流无刷风机市场
英飞凌FOC控制方案介绍
相关评估套件
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直流无刷风机应用
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FAN Motor
ACIM BLDC
梯形波控制 简易正弦波控制 无感FOC控制
风机用电机以及控制方式
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Low efficiency
效率
噪声
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XMC1300无感FOC风机控制
直流无刷风机市场
英飞凌FOC控制方案介绍
相关评估套件
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XMC1300无感FOC风机方案
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控制方式 无位置传感器 FOC
调制方式 空间矢量脉宽调制(SVPWM)
电流采样方式 单母线电阻,双/三桥臂电阻取样
电流放大电路 运放、无运放
最大转速 9000转(4对极)
系统调试 上位机软件
参考软件 Keil、DAVE3
代码尺寸 10K字节(Keil)
代码执行时间 FOC+位置估算器:~35uS
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Ra RbRdc
S1
S2
S3
S4
S5
S6
Driver
CCU8
A/D
IdcIu
IvUdc
I/O
ASC
状态
显示
RS232VSP
XMC1302
PMSM
上位机界面
R1
R2
Udc~ 220V
Idc
Iu Iv
BEMF_U
BEMF_V
BEMF_W
Amplifiers
XMC1300无感FOC风机方案
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XMC1300无感FOC风机方案
软件模块 执行时间 代码容量
FOC计算 约25us 约10KBytes
估算器 约10.5us
Total 35.5us 10KBytes 16位数据格式,未使用Math协处理器
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16/32KByte 产品 Math优化版本
18.5us
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XMC1300之于无感FOC控制
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•32位Cortex-M0内核
•硬件除法、三角运算单元
强大的运算能力
•用户程序运行,提升性能
16K SARM
•支持移相PWM(SVPWM)
灵活的PWM生成单元CCU8
•两路电流同步采样
12位、1.28M ADC,双采保
•节省外围电路,位置检测
硬件比较器
•抗干扰性
5V供电
•应用领域
-40 ~105
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Math协处理器
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•64MHz
•并行于CPU 协处理器
•32/32, 32/16, 16/16
•0.5us 除法
•SIN,COS,ATAN …
• 𝑋 = 𝐾 𝑋2 + 𝑌2
• 𝑋 = 𝐾[𝑋 sin 𝑧 + 𝑌 cos[𝑧]]
三角运算
i
i
i
i
cossin
sincos
t
m
无感FOC运算
Park变换 Park逆变换 位置估算
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电流采样
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XMC1302
3 Phase
PMSM
Power MOSFET
ADC Channel
3x, 6x, 12x
低成本
单母线电阻
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电流采样
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3 Phase
PMSM
Power MOSFET
ADC Channel 6
ADC Channel 7T0/4 T0/4T0/4 T0/4T1/2T2/2 T1/2 T2/2
S1
S3
S5
tdt
t
t
t
t
采样时刻
XMC1302
双桥臂电阻
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实验波形图
单电阻 三电阻
单电阻(无运放) 开环->闭环波形
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参考方案使用
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硬件
电路设计
• 主要引脚分配使用建议配置
程序编译下载
系统调试 •使用上位机调试软件
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硬件设计 - 引脚分配
功能 引脚分配
PWM
PWMUH P0.0
PWMUL P0.1
PWMVH P0.2
PWMVL P0.3
PWMWH P0.8
PWMWL P0.9
硬件关断输入 TRAP P0.12
电流采样
Idc P2.9
Iu P2.11
Iv P2.10
Iw P2.3
可调电位器输入 POT P2.5
直流母线电压 Vdc P2.4
反电势采样
BEMFU P2.2
BEMFV P2.6
BEMFW P2.8
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调试-上位机软件
电机参数设定
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极对数
线<->线电阻
线<->线电感
置 令
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调试-上位机软件
PWM参数设定
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PWM频率
死区时间
被动电平
置 令
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调试-上位机软件
电路参数设定
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母线电压
采样电阻数目
电流放大倍数
置 令
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调试-上位机软件
启动参数设定
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锁定时间
锁定电流
开环加速时间
开环加速电流
置 令
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调试-上位机软件
PI参数设定
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转速环
电流环
置 令
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调试-上位机软件
电机启动控制界面
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置 令
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XMC1300无感FOC风机控制
直流无刷风机市场
英飞凌FOC控制方案介绍
相关评估套件
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低压风机套件
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工作电压 24 VDC 微控制器 XMC1302 (Cortex-M0内核,32MHz主频) 功率器件 MOSFET BSC016N06NS (60V, 1.6mΩ, 100A Peak) 驱动电路 6ED003L06 (600V,三相全桥驱动芯片) 电流采样 单直流母线电阻采样,双、三桥臂电阻采样 应用领域 梯形波控制,无感高速梯形波控制(比较器/AD),有/无霍尔传感器FOC
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高压风机套件
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工作电压 220V AC 微控制器 XMC1302 (Cortex-M0内核,32MHz主频) 功率器件 分立IGBT IKD03N60RF (600V, 2.5A) 驱动电路 6ED003L06 (600V,三相全桥驱动芯片) 电流采样 单直流母线电阻采样,双、三桥臂电阻采样 应用领域 梯形波控制,无感高速梯形波控制(比较器/AD),有/无霍尔传感器FOC
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XMC1300风机参考方案
XMC1300风机参考方案
上位机 界面
参考硬件电路
参考软件
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小结
强大的运算能力
32位Cortex-M0内核
Math协处理器
16K字节 SRAM
灵活的PWM & ADC
5V供电,105°C温度
高压风机套件
低压低压风机套件
软硬件参考设计
正弦无感FOC控制
高效率
低噪声
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XMC1300无感FOC风机方案
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