ACCIDENT AVOIDANCE USIN G LI-FI TECHNOLOGY

ACCIDENT AVOIDANCE USING LI-FI TECHNOLOGY. Under the Guidance of : Dr.M.Tamilarasi Professor Department of ECE,PTU.

MOTIVATION :. In today's fast-paced world, road safety remains a critical concern. The increasing number of accidents and collisions on roads highlights the need for innovative solutions that can effectively prevent accidents and save lives. Traditional collision avoidance systems have limitations, and there is a demand for cutting-edge technologies that can enhance safety measures. This project aims to address this pressing issue by introducing an advanced accident avoidance system that combines Li-Fi technology and ultrasonic sensing to create a proactive approach to collision prevention..

OBJECTIVE :. Integrate Li-Fi transmitters and receivers in vehicles to establish a communication network. Implement ultrasonic sensors at the rear of each vehicle to accurately measure the distance to the vehicle ahead. Develop a real-time collision detection and avoidance mechanism that uses data from ultrasonic sensors and Li-Fi transmitters. Design onboard control units that process sensor data and trigger swift responses, such as braking, to prevent collisions..

LITERATURE SURVEY. TITLE AUTHOR YEAR JOURNAL Vehicular Communication and Li-Fi : A Promising Alliance for Future Transport Systems Adel Soudani 2020 IEEE Vehicular Technology Magazine Li-Fi Technology : Data Transmission via Light Harald Haas 2011 Communications of the ACM Ultrasonic Sensors for Collision Avoidance in Vehicles Christoph Stiller 1998 IEEE Transactions on Robotics and Automation.

REQUIREMENTS. Microcontroller (At89S52) Li-Fi Transmitter and Receiver Modules Power Supply LCD Display Relay Module DC Motor Ultrasonic Sensor Breadboard or PCB Connecting Wires Chassis and Wheels Battery or Power Source Enclosure Arduino IDE.

BLOCK DIAGRAM – TRANSMITTER SIDE. AT89S52 MICRO-CONTROLLER.

BLOCK DIAGRAM – RECEIVER SIDE. AT89S52 MICRO-CONTROLLER.

WORKING OF THE PROJECT. 1. Li-Fi Transmitter Setup: Li-Fi transmitters are integrated into each vehicle. They create a communication network using light signals. Li-Fi transmitters are strategically placed for optimal coverage ..

WORKING OF THE PROJECT. 2. Ultrasonic Sensor Placement: Ultrasonic sensors are positioned at the rear of each vehicle. These sensors accurately measure the distance to the vehicle ahead..

WORKING OF THE PROJECT. 3. Real-time Data Processing: Ultrasonic sensors continually collect distance data. Onboard control units process this data in real-time..

WORKING OF THE PROJECT. 4.Collision Detection: When the minimal distance threshold is breached, indicating potential collision risk, the control unit activates the Li-Fi transmitter..

WORKING OF THE PROJECT. 5.Li-Fi Signal Transmission: The Li-Fi transmitter sends a light signal carrying the distance information to nearby vehicles..

WORKING OF THE PROJECT. 6.Signal Reception and Brake Trigger: The Li-Fi receiver on the following vehicle captures the signal. The onboard control unit interprets the signal and triggers an instantaneous brake application..

WORKING OF THE PROJECT. 7.Collision Prevention: The swift brake response creates a buffer space between vehicles, preventing collisions. Even abrupt halts are handled effectively, thanks to the real-time coordination..

MODULES OF WORK. 1.MICROCONTROLLER – AT89S52 Low-power, high-performance CMOS 8-bit microcontroller with 8KB of ISP flash memory..

MODULES OF WORK. 3.ULTRASONIC SENSOR –HC-SR04 Power Supply: 3.3V – 5V. Operating Current: 8mA. Working Frequency: 40Hz. Ranging Distance : 3cm – 350cm/3.5m. Resolution : 1 cm. Measuring Angle: 15 degree..

MODULES OF WORK. 4. 16*2 - LCD DISPLAY Size: 85.0 x 29.5 x 13.5 mm Minimum logic voltage: 4.5 V Maximum logic voltage: 5.5 V.

REFERENCES. M. Saravanan, R.S Rahul Deepak, " Vehicle Communication using Visible Light (Li-Fi) Technology ", 2022 8th International Conference on Advanced Computing and Communication Systems (ICACCS), vol.1, pp.885-889, 2022. Anita S. Joshi, Apoorva Kulkarni, " Li-Fi Implemented Data Transfer ", 2023 IEEE 3rd International Conference on Technology, Engineering, Management for Societal impact using Marketing, Entrepreneurship and Talent (TEMSMET ), pp.1-4, 2023. Hasnain Ali, Saleem Shahid, " Development of a Visible Light Communication (VLC) System with Noise Suppression and Differentiation between Combined Sequences ", 2022 19th International Bhurban Conference on Applied Sciences and Technology (IBCAST), pp.1031-1035, 2022. Michael Windisch, Olimpiu Stoicuta, "Remote Control of Solenoid Valves Using RS485 and LiFi Technology" , 2021 International Symposium on Networks, Computers and Communications (ISNCC), pp.1-6, 2021. Rahul M, Vinoth Kumar N, " Live Health Monitoring and Menace Detection Using Lifi And Blockchain Encryption", 2023 2nd International Conference on Advancements in Electrical, Electronics, Communication, Computing and Automation (ICAECA), pp.1-5, 2023..

TIMELINE OF WORK. MODULES TIMELINE WORK TO BE DONE 1 22 nd Aug – 5 th Sept Literature Survey 2 5 th Sept – 19 th Sept Design of Proposed Work 3 19 th Sept – 3 rd Oct Prototype 4 3 rd Oct – 17 th Oct Demonstration Work.

THANK YOU!.