CPU
PWM输出
驱劢电路
门级状态回采
• •
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桥臂
*专利保护
9
*专利保护
CPU
SPWM L1_SD L2_SD L3_SD ASC_EN
CPLD
驱劢电路
SPI&FSP
L3-外部看门狗 SBC
直流母线采样1
SS1/2 Vdc_ov
17
18
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16000rpm@10kHz开关频率转矩阶跃响应
16000rpm
0 -16000rpm加速劢态响应
16000rpm 8000rpm
<1000ms
<120ms
<500ms
阳光特有的过调制，动态弱磁，低载波比比算法确保在高速下的高性能稳定运行，台架测试最高转速 低载波比 ，最高电压利用率
Count++ Count++
END
Safety related TASK -RUN2
Safety related TASK -RUN3
Safety related TASK -RUN4
Count发送 Count复位
监控程序
触发
看门狗
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L1功能层
(整车控制功能，电机控制功能等)
L2功能监控层
(关键信号合理性验证，转矩监控，关断路径执行等)
L3处理器监控层
(看门狗处理，关断路径测试等)
2019 Copyright © SUNGROW.Confidential
•
2019 Copyright © SUNGROW.Confidential
存储器硬件抽象 通信硬件抽象
MemIf Fee
CanIf
存储驱劢
通信驱劢
IO硬件抽象 Io Signal Interface Ext.ASIC Driver
IO驱劢
复杂驱劢
85 80 75 70 65 60
0
同一桥臂IGBT壳温温升趋势曲线
5
10
15
20
25
30
35
40
IGBT-1
IGBT-2
IGBT-3
IGBT-4
IGBT-5
IGBT-6
12
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2019 Copyright © SUNGROW.Confidential
• •
➢ ➢ ➢
5
2019 Copyright © SUNGROW.Confidential
Input Signals
Level 1
Control Function
Level 2
LC Function Monitoring
Program Flow Check
Enable
HWError Correction Code
Mechanical Angle
LPF
Excitation
Boost
DSP PWM 5A,5B
PWM4A
Rseolver
Cos,CosLo Sin,SinLo
LPF Cos Sin
ADC ADC
LUT
SEQ2 ISR
Delay β
FIR LPF
DSRF PLL
Speed Angle
AD2S1210 Excitation
01 02 03 04 05
2
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2019 Copyright © SUNGROW.Confidential
Functional safety standard
For E/E/PE
Risk
IEC 61508
All industry
Boost
Excitation
Mechanical Angle
Rseolver
Cos,CosLo Sin,SinLo
Speed SPI/GPIO Angle
PWM4A
Exc ADC
Cos
ADC
Sin
ADC
DSP
SEQ2 ISR
Speed
FIR
LPF
DSRF PLL Angle
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FSBEN FSSTATE
2019 Copyright © SUNGROW.Confidential
关断路径1 关断路径2
主功率桥
10
正常关断 过流保护关断 DESAT关断
（硬关断） （硬关断） （软关断）
0A
~800A
~2000A
关断电流
2019 Copyright © SUNGROW.Confidential
ISO 26262
Automotive
Functional safety system complexity
•
•
4
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ACU KEY Low Vol.Batter Fuel Pedal Shift Brake pedal Cruise Set
2019 Copyright © SUNGROW.Confidential
，最
2019 Copyright © SUNGROW.Confidential
• • •
AUTOSAR 4.2.2
系统服务
板载设备抽象 WdgIf
微控制器驱劢
应用层 RTE
存储器服务 通信服务
NvM
PduR
NM
CanTp CanNM
•
START
Interrupted
Safety related TASK
Interrupted DeadLine END
Safety related TASK
Safety related TASK
监控程序
触发 看门狗
•
•
START
Safety related TASK -RUN1
Count复位
Count++
Power determining output stage/ Safety-related Bus Communication
Function Controller
HW Incl. Monitoring
Module
6
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7
2019 Copyright © SUNGROW.Confidential
2019 Copyright © SUNGROW.Confidential
+5VA1 I_U
U相传感器
+5VA1
调理电路U
I_U_AIN
CPU
+5VA1 I_V
V相传感器
+5VA2 I_W
W相传感器
+5VA1
调理电路V
I_V_AIN
ADC口
采样通道U/V
+5VA2
调理电路W
Байду номын сангаас
I_W_AIN
采样通道W