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How to convert ir speed sensor output to rpm which can be feedback through dspace ds1104?

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sanjaya
sanjaya on 14 Dec 2019
Answered: Qaiser khan Bozdar on 17 Dec 2019
I am using an ir sensor for measuring the speed which is to be feedback through ds1104 to my simulink file. But I am getting a train of pulses but unable to convert it to rpm.so please help.

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Answers (2)

Sivakumar Selvam
Sivakumar Selvam on 15 Dec 2019
Frequency of the pulse train is equal to the speed of the machine in RPS(Rotation per second). Dividing RPS/60=RPM. You need a frequency counter to measure the frequency of the pulse train in DS1104.
GOOD LUCK...

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Qaiser khan Bozdar
Qaiser khan Bozdar on 17 Dec 2019
Please try a resistor on output of ir speed sensor because i had also faced this.This type of problem are arised due to some kind of load variations, weather the voltages are not complete or there is something improper wiring in a practical circuit.

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