Vishwas Navada
Published © CC BY-SA

IEncode - Intelligent Encoder for Industrial Motors

Predictive maintenance of industrial motors using high precision 3D magnetic sensor TLV493D-A1B6.

BeginnerFull instructions provided1 hour1,427

Things used in this project

Story

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Custom parts and enclosures

Log data

Log data in xlsx format

Schematics

Schematic

Schematic Diagram

Code

IEncode

C/C++
#include <SoftwareSerial.h>
#include "TLV493D.h"
#include "Wire.h"


TLV493D sensor2;
int i = 0;
int threshold = 50;
int val = 0;
int xyang = 0;
int yzang = 0;
int zxang = 0;
float v1, v2 = 0;
const int sensor2_pwr_pin = A3;
const int i2c_sda = A4;
SoftwareSerial sim(10, 11);
int _timeout;
String _buffer;
String number = "+919482005201";
void setup() {
  pinMode(sensor2_pwr_pin, OUTPUT);
  pinMode(i2c_sda, OUTPUT);
   pinMode(5, OUTPUT);
  digitalWrite(sensor2_pwr_pin, LOW);
  digitalWrite(i2c_sda, LOW);
  //init sensor2
  digitalWrite(sensor2_pwr_pin, HIGH);
  digitalWrite(i2c_sda, HIGH); //0x5E
  Serial.println("Starting sensor 2");
  delay(500);

  Wire.begin(); // Begin I2C wire communication


  //initialize sensor 2
  //  Serial.print("Initializing sensor 2: 0x");
  Serial.println(sensor2.init(HIGH), HEX);
  delay(7000); //delay for 7 seconds to make sure the modules get the signal
  Serial.begin(9600);
  _buffer.reserve(50);
  // Serial.println("Sistem Started...");
  sim.begin(9600);
  delay(1000);
}
void loop()
{
  sensor2.update(); // updates sensor value
  xyang = ( sensor2.m_dPhi_xy * 57.2958); // Measures angle between X and Y i.e encoder angle or shaft angle
  Serial.print("X angle == ");
  Serial.print(xyang);
  v1 = sensor2.m_dBz;
  if (v1 > threshold)
  {
    i++;
  }
  if (i > 5)
  {
    digitalWrite(5,HIGH);
    SendMessage();// Sends an SMS to the concerned person or a soft number that machine needs a service
    i = 0;
  }

}
void SendMessage()
{
  //Serial.println ("Sending Message");
  sim.println("AT+CMGF=1");    //Sets the GSM Module in Text Mode
  delay(1000);
  //Serial.println ("Set SMS Number");
  sim.println("AT+CMGS=\"" + number + "\"\r"); //Mobile phone number to send message
  delay(1000);
  String SMS = "Service is required for machine number 5";
  sim.println(SMS);
  delay(100);
  sim.println((char)26);// ASCII code of CTRL+Z
  delay(1000);
  _buffer = _readSerial();
}
String _readSerial() {
  _timeout = 0;
  while  (!sim.available() && _timeout < 12000  )
  {
    delay(13);
    _timeout++;
  }
  if (sim.available()) {
    return sim.readString();
  }
}

Servo Encoder

C/C++
Testing Encoder with Servo
#include "TLV493D.h"
#include "Wire.h"
#include <Servo.h>
TLV493D sensor1;
TLV493D sensor2;

int val =0;
int xyang =0;
int yzang =0;
int zxang =0;
float v1,v2=0;
const int sensor2_pwr_pin = A3;
const int i2c_sda = A4;


Servo myservo;  // create servo object to control a servo
// twelve servo objects can be created on most boards

int pos = 0; 

void setup()
{
  Serial.begin(115200);

  pinMode(sensor2_pwr_pin, OUTPUT);
  pinMode(i2c_sda, OUTPUT);

  digitalWrite(sensor2_pwr_pin, LOW);
  digitalWrite(i2c_sda, LOW);

  delay(500);




  digitalWrite(sensor2_pwr_pin, HIGH);
  digitalWrite(i2c_sda, HIGH); //0x5E
 // Serial.println("Starting sensor 2");
  delay(500);

  Wire.begin(); // Begin I2C wire communication
  myservo.attach(9); // Servo initilisation

  //initialize sensor 2
//  Serial.print("Initializing sensor 2: 0x");
  Serial.println(sensor2.init(HIGH), HEX);
}

void loop()
{
  for (pos = 0; pos <= 180; pos += 1) { // goes from 0 degrees to 180 degrees
    // in steps of 1 degree
   //Serial.print("Servo angle=");// Servo angle printing for comparision
  // Serial.println(pos);
    myservo.write(pos);              // tell servo to go to position in variable 'pos'
    delay(15);                       // waits 15ms for the servo to reach the position
    sensor2.update();
 
 // Serial.print(sensor2.m_dBz);

  xyang=( sensor2.m_dPhi_xy*57.2958);//Converts radian value to degree
 // Serial.print("X angle == ");
  Serial.println(xyang);// Calculated angle between X and Y plane
 // Serial.println(";");//\t");
  /*yzang=( sensor2.m_dPhi_yz*57.2958);//
   Serial.print("Y angle ==");
  Serial.print(yzang);
  Serial.println(";");//\t");
  zxang=( sensor2.m_dPhi_xz*57.2958);
  Serial.print("Z angle ==");
  Serial.print(zxang);
  Serial.println(";");//\t");
//  Serial.println(";");
 // Serial.println(sensor2.m_dMag_2);
  delay(20);*/
  delay(200);
  }
  for (pos = 180; pos >= 0; pos -= 1) { // goes from 180 degrees to 0 degrees
    myservo.write(pos);   
 //      Serial.print("Servo angle=");
  // Serial.println(pos);
    delay(15);   
    sensor2.update();
 
//  Serial.print(sensor2.m_dBz);

  xyang=( sensor2.m_dPhi_xy*57.2958);
//  Serial.print("X angle == ");
  Serial.println(xyang);
//  Serial.println(";");//\t");
 /* yzang=( sensor2.m_dPhi_yz*57.2958);
   Serial.print("Y angle ==");
  Serial.print(yzang);
  Serial.println(";");//\t");
  zxang=( sensor2.m_dPhi_xz*57.2958);
  Serial.print("Z angle ==");
  Serial.print(zxang);
  Serial.println(";");//\t");
//  Serial.println(";");
 // Serial.println(sensor2.m_dMag_2);
  delay(500);
  // waits 15ms for the servo to reach the position*/
  delay(200);
  }
}


  


  

Credits

Vishwas Navada

Vishwas Navada

8 projects • 29 followers
Full stack hardware engineer.

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