Green Monorail

Team Members:

• Joseph Kopacz (Right)
• Justin Kopacz (Left)

Technical Details:

• Brake Regeneration
• Solar Augmented Battery
• Automatic Lights
• Station Detection
• DC motor with gearbox (298:1)

Video:

Pictures:

Mechanical Drawings:
Detailed drawings available upon request

Electrical Schematics:

Arduino Source Code:
//Pin Setup

//Analog Pins:

int photoPin = 0;

int magnetPin = 1;

int batteryPin = 4;

//Mosfets:

int drivePin = 2;          

int regenPin = 3;

int solarPin = 8;

//Lights:

int whitelightPin = 5;

int redlightPin = 6;

int bluelightPin = 7;

//Boundrys for analog pins:

int lightboundry = 500;

int magfieldboundry = 150;

double batteryboundry = 5.5;  

void setup()

{

  Serial.begin(9600);

  pinMode(2, OUTPUT);

  pinMode(3, OUTPUT);

  pinMode(5, OUTPUT);

  pinMode(6, OUTPUT);

  pinMode(7, OUTPUT);

  pinMode(8, OUTPUT);

}

void loop()

{     

//Monitor where the train is based on the presence of magnetic field

if (analogRead(magnetPin) > magfieldboundry )      //if there is no magnetic field    

    {

        digitalWrite(drivePin, HIGH);                               //proceed normally

        digitalWrite(regenPin, LOW);                              //do not regenerate

        delay(1000);                                                            //test if there is a magnetic field 1 second later

    }   

else                                                                          //if a magnetic field is detected

    {

        digitalWrite(redlightPin, HIGH);                //turn on brake lights for effect

        delay(3000);                                                  //continue driving for 3 seconds to get away from mag field

        digitalWrite(drivePin, LOW);                     //disable power feed into motor

        digitalWrite(regenPin, HIGH);                   //enable regeneration

        delay(3000);                                                  //pause for desired time at station – 3 seconds,

    }

//Control the onboard lights based on the intensity of the outside light 

if (analogRead(photoPin) < lightboundry)      //if the light is dim enough

    {

      digitalWrite(redlightPin, HIGH);                 //turn all lights on

      digitalWrite(bluelightPin, HIGH);

      digitalWrite(whitelightPin, HIGH);

      delay(10);                                                       //test intensity frequently

    }

else

    {

     digitalWrite(redlightPin, LOW);                 //all lights off if not satisfied

     digitalWrite(bluelightPin, LOW);

     digitalWrite(whitelightPin, LOW);

     delay(10);                                                       //test intensity frequently

    }

//Controls the MOSFET based on the level of the battery   

int sensorValue = analogRead(batteryPin); //

if(voltage(sensorValue) < batteryboundry)  //if the battery is not fully charged

    {   

        digitalWrite(solarPin, HIGH);                  //allow the solar panel to charge

        delay(1000);                                               //test battery every 1 second

    }

else                                                                      //if the battery is fully charged    

    {

        digitalWrite(solarPin, LOW);                  //protect battery by stopping solar panel current

        delay(1000);                                              //test battery every 1 second

    }

}

//Converts the analog input to a voltage level- 9 Is the maximum voltage, 1020 is the maximum analog //value.

double voltage(int analogIn)

{

double voltage = (analogIn/1020.)*9;

return voltage;

}