VEHICLE ACCIDENT PREVENTATION USING EYE BLINK SENSOR

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Presentation transcript:

VEHICLE ACCIDENT PREVENTATION USING EYE BLINK SENSOR PRESENTED BY AMY SUSAN KASTURI RAMGOPAL MIRIAM SYED ALI

contents INTRODUCTION BLOCK DIAGRAM WORKING FLOW CHART PROGRAM CIRCUIT DIAGRAM COMPONENTS USED POWER SUPPLY PIC MICROCONTROLLER EYE BLINK SENSOR RELAY DC MOTOR BUZZER LCD DISPLAY PCB LAYOUT SOFTWARE USED ADVANTAGES LIMITATIONS RESULT FUTURE SCOPE CONCLUSION REFRENCES

Vehicle accidents are most common if the driving is inadequate. INTRODUCTION Vehicle accidents are most common if the driving is inadequate. Driver drowsiness is recognized as an important factor in the vehicle accidents. This project involves measure and controls the eye blink using IR sensor. The IR transmitter is used to transmit the infrared rays in our eye.

BLOCK DIAGRAM Microcontroller PIC DC Motor Buzzer Eye blink sensor LCD

WORKING The eye-blink sensor illuminates the eye with infrared light, monitoring the changes in the reflected light The sensor output is active high for Eye close and can be given directly to microcontroller for interfacing applications. When this output remains high for a specific time period say10 sec , the driver is taken to be asleep. Consequently a buzzer is activated in order to wake the driver. The motor of the vehicle is slowed down through a relay switch so as to prevent impending accident.

FLOW CHART

PROGRAM #include <htc.h> #include <picc16.h> #define MOTOR RC2 #define BUZZER RC3 #define RS RB7 #define EN RB6 #define LCD_D0 RB5 // lcd's msb nibble 0 #define LCD_D1 RB4 // lcd's msb nibble 1 #define LCD_D2 RB3 // lcd's msb nibble 2 #define LCD_D3 RB2 // lcd's msb nibble 3

void init(void) { INTCON= 0b01010000; TRISD = 0b10011100; TRISC = 0b10110011; TRISA = 0b11111111; TRISB = 0b00000011; T2CON = 0b01100110; } void interrupt my_isr(void) if((INTE)&&(INTF)) Eyeblink++; time=10; INTF=0;

if((TMR2IE)&&(TMR2IF)) { Count++; if(Count==40) Seconds--; Count=0; } TMR2IF=0; //-------------------------- void main(void) init(); DelayMs(100); BUZZER=0; MOTOR=1; lcd init();

lcd_puts(" eye blink based",1,0); lcd_puts(" vehicle control",2,0); DelaySec(2); while(1) { lcd_puts(" Eye Blink ",1,0); lcd_puts(" sensing.... ",2,0); time=10; while(time) lcd_displaynum2(0xCD,time); time--; DelayMs(250); DelayMs(100); }

lcd_puts("Driver slept!! ",1,0); lcd_puts(" Speed Down... ",2,0); MOTOR=0; BUZZER=1; DelaySec(1); while(time!=10); MOTOR=1; BUZZER=0; }

CIRCuiT DIAGRAM

Component description The main components used in this project are PIC Microcontroller Eye Blink Sensor Relay DC Motor LCD Display Buzzer

Components in PCB

POWER SUPPLY UNIT

MICROCONTROLLER PIC16F877A Pin Diagram Pin Diagram

PIC ARCHITECTURE PIC microcontrollers are based on RISC architecture. (RISC -Reduced Instruction Set Computing). Harvard architecture 16 bit microcontroller PIC –Peripheral interface controller

PIC ARCHITECTURE CONTD… 8K Program memory 40 pin with 33 input /output pin PORTS-A,B,C,D,E PORTS are configured as input output pins Configured using TRIS REGISTERS Operating frequency 20 MHz Economically feasible

EYE BLINK SENSOR Internal circuit

EYE BLINK SENSOR indication by EYE BLINK LED Instant output digital signal for directly Connecting to microcontroller Compact Size Working Voltage +5V DC

relays an electromagnetic switch allow current to flow between 2 points thereby closing the circuit.

MOTOR (L293D) L293D Pin description Functional description LOGIC CIRCUIT Functional description

MOTOR DRIVER-L293D Is a dual motor driver IC. Act as current amplifiers. This higher current signal is used to drive the motors. Two inbuilt driver circuits. In common mode of operation, two DC motors can be driven simultaneously, both in forward and reverse direction. Enable pins 1 and 9 (corresponding to the two motors) must be high for motors to start operating.

BUZZER A signaling device, usually electronic, typically used in automobiles, household appliances . Usually illuminates a light on the appropriate button or control panel. Sounds a warning in the form of a continuous or intermittent buzzing or beeping sound.

LCD DISPLAY consists of two lines, 16 characters per line. 3 control lines and 8 I/O lines. - 8 data pins D7:D0 - RS:  Register Select - R/W: Read or Write -  E: Enable (Latch data)

LCD INTERFACING

PCB LAYOUT

SOFTWARE USED MikroC : powerful, feature rich development tool for PIC microcontrollers. Provides the programmer with easiest possible solution for developing applications for embedded systems, without compromising performance or control.

ADVANTAGES The advantages are: It can be used in wireless technology. The eye blink module of this project can be separately used for RFID detection in global industries. It can be used in image processing application by camera module  

LIMITATIONS IR sensor has limited range(15 mm). The goggles on which the sensor is mounted may be inconvenient for some people. The system is user dependant meaning that the eye sensors needed to be adjusted for each user.

RESULT After complete research and development of this project, it can be implemented on every vehicle in the industry thus increasing safety on roads. Drivers who have been driving for long hours wouldn’t have to worry even if they fall asleep suddenly and therefore passengers are also safe.

FUTURE SCOPE Development of a hybrid microcontroller for a vehicle which also consists of an alcohol detector which will sense if the driver is drunk and would not start the vehicle. If the person who is driving takes alcohol then the vehicle will be stopped immediately by giving alarms.

CONCLUSION A complete study on road safety is going to be the next boom in the automobile industry for it to flourish and survive as every human being wants to be safe with all the comforts at the same time Reduce the number of accidents. It is also used for security alerts where 24 hours surveillance is required.

REFRENCES “IMPROVED DRIVER FATIGUE DETECTION SYSTEM BASED ON EYE TRACKING AND DYNAMIC TEMPLATE MATCHING” by Wenn- Bing Horng and Chih-Yuan Chen,Tamkang University,Taipei,Taiwan Muhammad ali mazidi - microcontroller and embedded systems www.engineersgarage.com www.ijetae.com (issn 2250-2459, iso 9001:2008 certified journal, volume 3, issue 5, may 2013)

THANK YOU THANK YOU