ieee 2012 projects for m tech btech ece eee embedded systems@ srcembedded solutions- hyderabad. web:www.srcembedded.com, ph-8297 313 858 mail:srcembedded@gmail.com

1. On the Impact of Virtual Traffic Lights
On Carbon Emissions Mitigation
Abstract:
The monitoring and control of city traffic is becoming a major problem in many
countries. With the ever increasing number of vehicles on the road, the Traffic Monitoring
Authority has to find new methods of overcoming such a problem. Considering that the transport
sector is responsible for an increasingly important share of current environmental problems, we
look at Intelligent Transportation Systems (ITS) as a feasible means of helping in solving this
issue. In particular, we evaluate the impact in terms of Carbon Dioxide (CO2) emissions of
Virtual Traffic Light (VTL), which is a recently proposed infrastructure less traffic control
system solely based on Vehicle-to-Vehicle (V2V) communication.
We propose a traffic information service for which traffic data are collected over ad-hoc
networks from neighbor vehicles, processed to minimize the data size, and eventually provided
to its destination. The proposed scheme simply relies on the existing navigation systems in
vehicles and wireless communication devices for vehicle-to-vehicle communication, rather than
on a separately established server. It allows collecting and analyzing traffic status of large areas
without incorporating separated monitoring systems, e.g., probe cars and enables to provide
accurate traffic information to drivers in timely manner.
Existing System:
Present Traffic Light Controllers is based on microcontroller and microprocessor. These
TLC have limitations because it uses the pre-defined hardware, which is functioning according to
the program that does not have the flexibility of modification on real time basis. There is no
Emission test is undertaken on the traffic congestion. Due to the fixed time intervals of green,
orange and red signals the waiting time is more and car uses more fuel.

2. Proposed System:
This project “Virtual traffic light on Carbon Emission Mitigation” makes use of
Networks along with Embedded Technology. The main objective for this project is to design a
program and implement hardware of virtual traffic light system suitable for real life
implementations. This project also aims to design a safe and efficient traffic flow, to assign the
right way and minimizes the delay or waiting time at road. The information about congestion on
roads is intimated through wireless communication.
The Service scenario is follows that vehicles in two directions may intimate the traffic
information. The CO2 sensor we used in our system to sense the Carbon di-oxide emissions
from the vehicles. This information’s is transmitted to the other vehicles through the Zigbee
wireless communication. Based on this other vehicles in the other direction will receive the
information. The vehicle in the Traffic signal in one direction will transmit the CO2 level. On the
other side traffic signal the vehicle transmit the CO2 level. The traffic light indication will given
in the appropriate directions. The status will be shown in LCD.

3. BLOCK DIAGRAM:
Direction 1: Vehicle A
Power
Supply
Key for Traffic
Intimation
CO2 Sensor
Zigbee
8051
Micro
Controller
Relay
Driver
Signal
conditioning
Unit
TRAFFIC LIGHTS
LCD

4. Direction 2: Vehicle B
Power
Supply
Key for Traffic
Intimation
CO2 Sensor
Zigbee
8051
Micro
Controller
Relay
Driver
Signal
conditioning
Unit
TRAFFIC LIGHTS
LCD

5. Hardware Requirements:

8051 microcontroller unit

CO2 Sensor

Zigbee

LCD

Relay
Software Requirements:

Embedded C

Keil C Compiler
Advantages:

Easy to implement

Effectively Reduces the traffic congestion.