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02-04-2010, 10:43 PM
Post: #1
AUTOMATED TRAFFIC SIGNAL CONTROLLER full report
AUTOMATED TRAFFIC SIGNAL CONTROLLER

Presented By:
Anand Kokkanavar
Natthaphat Rojanasupamit
Prabhat Kumar Shukla



Main Features of the Controller

Assumes equal traffic density on all the roads.

2. Allows the pedestrians to safely cross the road
during certain periods.

Uses digital logic, can be easily implemented by
using logic gates.

4. Is generalized and can be used for different roads
with slight modification.

5. Can also be exercised manually when desired.



Synchronous Decade Counter

Count from 0 to 9 (0000 to 1001 in binary).

For normal counting, the reset, preset,
count enable and carry in inputs should
all be high.

When count enable is low, the clock
input is ignored and counting stops.

The counter may be preset by placing
the desired binary number on the
inputs A-D, making the preset input
low, and applying a positive pulse to
the clock input.




General Description

A highly stable device for generating accurate
time delays or oscillation.

In the time delay mode of operation, the time is
precisely controlled by one external resistor and
capacitor.
In this Automated Traffic Signal Controller, Timer 555 is used as an Astable Multivibrator to generate clock

signal for the 4-bit counter 74160.





Bibliography

Digital Logic Applications and Design by John M. Yarbrough, Thomson
Fundamentals of Electronic Devices and Circuits by David A. Bell
Fundamentals of Logic Design by Charles H. Roth, Thomson
Synchronous Up/Down Counter by Stan, M. R. and Bufieson, W. P.
http://www.electronicsforu.com/efylinux/...raffic.pdf
http://www.kpsec.freeuk.com/components/74series.htm
http://en.wikipedia.org/wiki/555_timer_IC


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05-10-2010, 08:51 AM
Post: #2
RE: AUTOMATED TRAFFIC SIGNAL CONTROLLER full report
I WANT "AUTOMATED TRAFFIC SIGNAL CONTROLLER full report"

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11-10-2010, 10:39 AM
Post: #3
Thumbs Up RE: AUTOMATED TRAFFIC SIGNAL CONTROLLER full report

.docx  65.AUTOMATED TRAFFIC SIGNAL CONTROLLER USING AT.docx (Size: 15.38 KB / Downloads: 212)
AUTOMATED TRAFFIC SIGNAL CONTROLLER USING AT-89C51



ABSTRACT:-
In this project automated traffic signal controller using AT-89C51, which set the traffic signal counter value depending on the traffic rate in the road. Initially, the input image is background subtracted to extract the foreground objects. The foreground objects are tracked using snake algorithm. The tracked objects are then compared with the predefined templates. The count of number of vehicle is incremented as it encounters a matched object. Based on the count of vehicles, the value for the signal counter is set. In the mean while, the camera is rotated to 180 degrees to view the other side of the road and the same procedure is repeated. In most automated traffic signals the free left-turn condition is provided throughout the entire signal period, which poses difficulties to the pedestrians in crossing the road, especially when the traffic density is high. This controller allows the pedestrians to safely cross the road during
Certain periods.

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23-03-2011, 10:26 AM
Post: #4
RE: AUTOMATED TRAFFIC SIGNAL CONTROLLER full report
[/size]Iwant a full project report on automatic road traffic controller .

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02-02-2012, 02:43 PM
Post: #5
RE: AUTOMATED TRAFFIC SIGNAL CONTROLLER full report
AUTOMATED TRAFFIC SIGNAL CONTROLLER

.pdf  26182184-Automatic-Traffic-Signal-Controller.pdf (Size: 2.19 MB / Downloads: 269)

INTRODUCTION


Now a days due to ever increasing vehicles on the road, it require a efficient control on the four way junction of road. In order to find a solution to this problem the concept of an automatic traffic controller is conceived. Apart from providing efficient control of traffic, it also eliminate chance of human errors since it function automatically


The automatic traffic controller automatically switches on the four way junction for 15 seconds for direction control.
The main circuit components used are 555-Timer and 4-bit binary synchronous counter (74160). The 555-Timer generates a clock signal for 15 seconds. This signal is used to clock counter circuit. Binary counter is converted to 3 bit–counter to achieve 8 possible cases. The traffic light control is done by different Boolean function of logic gate.


TECHNOLOGY:
Optics and lighting:-
In the mid 1990s, cost-effective traffic light lamps using light-emitting diodes (LEDs) were developed; prior to this date traffic lights were designed using incandescent or halogen light bulbs. Unlike the incandescent-based lamps, which use a single large bulb, the LED-based lamps consist of an array of LED elements, arranged in various patterns. When viewed from a distance, the array appears as a continuous light source



These GAL products can be segmented into two broad categories:
Base products
Extension products
Base Products - Aimed at providing superior design alternatives to bipolar PLDs, these five architectures replace over 98% of all bipolar PAL devices. The GAL16V8 and GAL20V8 replace forty-two different PAL devices. The GAL22V10, GAL20RA10, and GAL20XV10 round out the base products. These GAL devices meet and, in most cases, beat bipolar PAL performance specifications while consuming significantly lower power and offering higher quality and reliability via Lattice’s electrically reprogrammable E2CMOS technology.
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Marked Categories : traffic signals, automatic traffic control signals, seminar reports on trafic signal, automatic traffic control signal technical seminar doc file download, traffic signal, 4 way traffic light circuits using basic gates, ppt for autometic trafic control signal, automatic traffic signal controller project using web cam, boolean function for four way traffic signals controller, download pdf on traffic light controller using 89c51, project report for automatic traffic signal, project report for traffic signal, projects on traffic signals control, signal, seminar on automatic camera on traffic signals, traffic lights project report, automated trffic signal,

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