5HP Motor speed control by arduino.

By using Arduino we control 5HP Dc motor in easy way

CIRCUIT DIAGRAM :

ARDUINO CODE:

#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

 

const int currentPin = A0;

const int pot=A1;

int sensitivity = 66;

int adcValue= 0;

int adcValuee= 0;

int offsetVoltage = 2500;

double adcVoltage = 0;

double currentValue = 0;

double sensorValue=0;

int ledPin=13;

float ton=0;

float toff=0;

float duty=0;

 

void setup() 

{

  Serial.begin(9600);

  lcd.begin(16, 2);

  lcd.print("DC speed control ");

  lcd.setCursor(0,1);

  lcd.print("  with Arduino  ");

  pinMode(ledPin,OUTPUT);

  delay(400);

   lcd.clear();

}

 

void loop()

{   

  adcValue = analogRead(currentPin);

  adcValuee = analogRead(pot);

  

     ton=1024-adcValuee;

     toff=adcValuee;

    float y=ton=+toff;

     float xx=ton/y;

     float duty=xx*100;

     

     

     

  adcVoltage = (adcValue / 1024.0) * 5000;

  currentValue = ((adcVoltage - offsetVoltage) / sensitivity);

  Serial.print("Raw Sensor Value = " );

  Serial.print(adcValue);

    

  lcd.clear();

  Serial.print("\t Current = ");

  Serial.println(currentValue,3);

    Serial.print("\tduty= ");

  Serial.println(duty);

  lcd.setCursor(0,0);

  lcd.print("Current =       ");

  lcd.setCursor(10,0);

  lcd.print(currentValue,2);

   

   

     lcd.setCursor(0,1);

  lcd.print("%D cycle=       ");

   lcd.setCursor(10,1);

    lcd.print(duty);

 

  delay(100);

  

    digitalWrite(ledPin, HIGH);

  delay(1024-adcValuee);

 

  digitalWrite(ledPin, LOW);

  delay(adcValuee);

}