South Asian Journal of Engineering and Technology Vol.7, No.1 (2018) 18–22
ISSN No: 2454-9614
BLIND SPOT ACCIDENT PREVENTION SYSTEM
S.Monishaa,M.Nandhinia*, K.Sriranjania#, R.Kavikaab,
P.Sugavaneshwari.ab*
a,a*,a#,ab,ab*Department of Computer Science and Engineering-
a,a*,a#,ab,ab* Government College of Engineering Dharmapuri-
E-mail: ,
Received: 25/12/2017, Revised: 24/2/2018 and Accepted: 8/4/2018
Abstract
Nowadays, accident is very common. One of the reasons for accident is blind spot. Blind spot is the area where we cannot view the vehicles in the side mirror. Some of the existing methods use Ultrasonic Sensor to detect the vehicle in blind spot. ButUltrasonic Sensor cannot detect the exact position of the vehicle in the blind spot. If we adjust the mirror, we can view the vehicle in the blind spot. Adjusting the mirror while driving is difficult. Automatic adjustment of mirror can be done by using servo motor. This system uses Microcontroller (Arduino UNO), servomotor and Ultrasonic Sensor to prevent the chances of accidents. The intension of this method is to implement a device that will warn the driver about incoming vehicles in blind spot by blinking LED and change the position of side mirror to view the vehicles in blind spot area.
Index Terms-Blind Spot; Servo Motor; Ultrasonic Sensor; Arduino UNO.
Keywords: Carry Select Adder, Ripple Carry Adder, Multiplexer and Full adder
1.Introduction
Number of vehicles is increasing day by day. India accounts for more than 1, 50,785 deaths because of road accident. Most of the accident takes place in highways that may occur anytime and anywhere that may cause danger to nature and human lives. In which 50 percentage of accident take place at blind spot area. The main reason behind accident is due to unsighted vehicles in blind spot. The proposed system gives the solution for this problem.
Human vision has its own limit of sight. There are some areas which we cannot seewithout moving head. The area is called blind spot area. So, the driver in the vehicles has their own blind spot. One of the reason is sight of driver is by the body of the vehicle. Fig 1 shows the blind spot of car driver. The side mirror of car only covers the certain area and the there are some wide area which cannot be covered by sidemirror. Therefore, an increasing number of research were going on to overcome these issues. The main aim of this project is to develop a device that detect the vehicles in blind spot using Ultrasonic Sensor and intimate the driver by blinkingof LED and change the position of the mirror using servo motor to view the vehicle in blind spot area.
Fig 1: Blind spot region
2. EXISTING SYSTEM
Many researchers have discussed the importance of accident prevention system. Avoid the chance of accident by controlling the break system of vehicle [1]. Accident avoidance in hilly area at hairpin bends by tracking the vehiclesposition and decide which vehicle want to move first using GPS technology [2]. Analysis of Ultrasonic Sensor placement in vehicle to detect the object [3]. Control the accident by microcontroller (Arduino UNO) and Ultrasonic Sensor [4].There are many methodologies that detect the vehicles in the blind spot and intimate the driver by blinking of LED around the side mirror. Fig 2 illustrate placement of the accident prevention system device near the car tier. TheUltrasonic Sensor is placed at the area of above the rear tire on both side and LED is mounted around both side mirrors. If the vehicles is detected by the left side sensor, LED around the left side mirror will glow. In case the vehicle is detected on the right side then the LED around the right side mirror will blink by this technology driver get the alter about the unsighted vehicles in the blind spot and he avoid changing of lanes. This can reduce collision between the vehicles and savehuman life. The main disadvantage in this system is driver cannot able to view the exact position of vehicle where it is in blind spot.
Fig 2: Side view of sensor placement for above rear tire
3. PROPOSED SYSTEM
To reduce the accident in environment and to overcome the disadvantage of existing systems. We proposed methodology with use of theArduino UNO tool kit, Ultrasonic Sensor and servo motor. This system has servo motor in addition to Ultrasonic Sensor. The main work of servo motor is to change the position of side mirror to view the vehicles at blind spot area. Fig 3 show the flow chart of the prevention system .when the system is ON it start measuring the distance. If the distance is small, system halt else systems start measuring the distance and alert the driver by switch ON the LED around the side mirror. Thefollowing are design components of proposed system and gives the brief explanation about the component working.
Fig 3: Process flow chart for prevention system
a)Arduino UNO
The proposed method work on the Arduino UNO tool kit. It is open source prototyping platform based on easy-to-use hardware and software. Arduino is development environment that implements the Processing / Wiring language. Arduino can be used to develop stand-alone interactive objects. Fig 4 depicts the Arduino UNO and it is based on ATmega328 microcontroller architecture. It includes Integrated Development Environment (IDE) for programming.
Fig 4: Arduino UNO
a)Ultrasonic Sensor
The system includes Ultrasonic Sensor for sensing the vehicles which comes in the sensing range of Ultrasonic Sensor. It consists of transmitter and receiver. Transmitter always transmit the ways which incident on the vehicles at blind spot and reflected. Fig 5 spectacle the Ultrasonic Sensor. Echo pin act as transmitter where trigger pin act as receiver. This reflected waves is received by receiver and hence distance is calculate by measure of time taken.
Fig 5: Ultrasonic Sensor
b)Servo Motor
Servo motor enables us to have fine control over rotation. It can rotate accuracy on 1 degree. It has the capacity of rotation on both directions for 180 degree. Proposed system use the servo motor to change the position of side mirror for viewing the unsighted vehicle at blind spot and the angle was set to 20 degree. Fig 6 shows the servo motor. This has the capacity of rotating the side mirror which weight up to 1 kg. It consist of motor coupled to a sensor for position feedback.
Fig 6: Servo motor
4. CONCLUSION
The framework of the proposed system is to give warning to driver about the incoming vehicle at blind spot area by blinking of LED around the side mirror. When vehicle is detected by Ultrasonic Sensor, servo motor immediately changes the position of side mirror to view the vehicles at blind spot. For further development, we can use the radar sensor for detecting the vehicles which are in far-away distance and to find the exact position of vehicles at blind spot.
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