Question

2) The Arduino Nano Every can only output analog signals in the form of PWM waveforms that oscillate between 0 and 5 volts. In order to convert a PWM signal from the Arduino to Vref for the speed control loop the circuit shown below can be used. Two adjustments need to be made, one to convert the PWM signal to an analog voltage and one to extend the 0...5 V range from 0...7 V for the purpose of computing the loop error voltage Ve. from Arduino 5VPWM (b) The output voltage from the speed sensor circuit is in the range 0...7V, but the Vref range from the Arduino is only in the 0...5V range. To obtain the full speed range with the speed control loop, Ve in the above circuit has to be computed as Ve=Vs-1.4*Vref. Determine the quantities a and b in aR (R1) and bR (R3). Show all your computations.

          2) The Arduino Nano Every can only output analog signals in the form of PWM waveforms that
oscillate between 0 and 5 volts. In order to convert a PWM signal from the Arduino to Vref
for the speed control loop the circuit shown below can be used. Two adjustments need to be
made, one to convert the PWM signal to an analog voltage and one to extend the 0...5 V
range from 0...7 V for the purpose of computing the loop error voltage Ve.
from
Arduino
5VPWM
(b) The output voltage from the speed sensor circuit is in the range 0...7V, but the Vref range
from the Arduino is only in the 0...5V range. To obtain the full speed range with the speed
control loop, Ve in the above circuit has to be computed as Ve=Vs-1.4*Vref. Determine the
quantities a and b in aR (R1) and bR (R3). Show all your computations.

2) The Arduino Nano Every can only output analog signals in the form of PWM waveforms that
oscillate between 0 and 5 volts. In order to convert a PWM signal from the Arduino to Vref
for the speed control loop the circuit shown below can be used. Two adjustments need to be
made, one to convert the PWM signal to an analog voltage and one to extend the 0...5 V
range from 0...7 V for the purpose of computing the loop error voltage Ve.
from
Arduino
5VPWM
(b) The output voltage from the speed sensor circuit is in the range 0...7V, but the Vref range
from the Arduino is only in the 0...5V range. To obtain the full speed range with the speed
control loop, Ve in the above circuit has to be computed as Ve=Vs-1.4*Vref. Determine the
quantities a and b in aR (R1) and bR (R3). Show all your computations.

Added by Michelle R.

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