????MM32SPIN???/??????о???????????????÷???????????????
???????????MM32SPIN???/??????о??????????????"?????????"?????????????????:
ARM Cortex-M0???????????????о?
???????N??Gate Driver
????????????????????PWM???
ADC ????λ?????
??????????7.5V/10W ??????
2???????????????
???????????????????????.
????????????????????
?????
???????
λ??????????
??????????????????
?????????λ???????
????:
LSB : 12 bits ADC ??????λ
a ????????λ?? (LSB??(ms^2))
t ?????λ??(ms)
SP : ????λ??(LSB??ms)
P1??????λ???λ??LSB
P0 ?????λ???λ??LSB
T1 ?????????λ??ms(????)
T0 ????????λ??ms(????)
V1 ??(P1-P0) ??(T1-T0) ??λ:??(LSB??ms)
V0 : ???????λ?? (LSB??ms)
X ??????λ:??(LSB)
Th ??(T1-T0)??2??λ??(ms)
V2 : ??????????λ??(LSB??ms)
????????????
??? ????????ι????(???????a = ??)
V1??????
?????????????????????????????
????λ?ù?
???????????????:
V = V0 +(a*t ) ;(????)
x = V0t +((a*t*t)??2);(?????)
???????????V0 ?????
???????????????(????) (?????) ????????????????,???????????????
??壺??????????
?迼?????屾?????????????????????????ν????????
CH2 ???:λ?ù?(0~5) Voltage?????(0~4095) LSB
CH3 ???:????(0~5) Voltage?????(0~4095) V
?????????????
???6
V2 = (P1-P0)??(Th-T0);
V2 = 2*V1; ????:????????(2*V1)
???? ??????????
CH2 ???:λ?ù?(0~5) Voltage?????(0~4095) LSBCH3 ???:????(0~5) Voltage?????(0~4095) V
?????????????
CH1 ???:PWM????(0~5)Voltage,?????( 0~100)% duty cycle
CH2 ???:λ?ù?(0~5) Voltage?????(0~4095) LSB
CH3 ???:????(0~5) Voltage?????(0~4095) V
?????????????
CH1 ???:PWM????(0~5)Voltage,?????( 0~100)% duty cycle
CH2 ???:λ?ù?(0~5) Voltage?????(0~4095) LSB
CH3 ???:????(0~5) Voltage?????(0~4095) V
???????????????????????????????????????????????
V(???) ??PWM ????,??????????????????Full duty ??(????????????????????????????)
???????????
???ε?????????????
?????????????
??????????????????
??????????????????????ι????
?????????????
CH1 ???:PWM????(0~5)Voltage,?????( 0~100)% duty cycle
CH2 ???:λ?ù?(0~5) Voltage?????(0~4095) LSB
CH3 ???:????(0~5) Voltage?????(0~4095) V
??????????????
CH1 ???:PWM????(0~5)Voltage,?????( 0~100)% duty cycle
CH2 ???:λ?ù?(0~5) Voltage?????(0~4095) LSB
CH3 ???:????(0~5) Voltage?????(0~4095) V
??????????????????????????????????????????????????,??б??????
??????????
????????
?????(a)
С
??
????? (V2)
??
С
????????????????????????????,???????????????,???????????趨
3????????
4??????
MM32SPIN???/??????о?,???????????Gate Driver,??????????????,?????????????????????,??????????????????????????,?????????Ч??,??????????????????????????????????鶯?MCU???????????鶯??????????-???????
????ls ?????????2022-06-13
