Nowadays, receipt of the message uses a mechanism

Nowadays,
automobile thefts and the production of vehicle are increasing in yearly world.
So, vehicle theft is a universal problem.  To solve this problem, most of the vehicle owners
have started using the theft protection systems.
The main purpose of this paper is to prevent the vehicle theft and the functionality
is achieved by detecting vehicle status in theft mode and by sending an SMS is generated
automatically. This SMS is then sent to the owner of the vehicle. The owner can
then send back the SMS in order to disable the ignition of the vehicle. Thus in
this way crimes can be reduced to a great extent as vehicles today   are being stolen in large number. Hence, the
vehicles today  require  high security which  can be 
achieved with  the  help of 
this  application that  how 
the system works is when a person tries to steal the vehicle, the
microcontroller in it is interrupted 
and  the  command 
is sent  to  the 
GSM modem to send SMS. On the receipt of the message, the owner sends
back the SMS to the GSM modem. This is done in order to stop the engine. This
GSM modem is interfaced to the micro controller. This microcontroller on the receipt
of the message uses a mechanism that helps to stop engine. Motor is being used to
indicate vehicle ON/OFF state.

Keywords: GSM modem, voltage regulation, micro controller.

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1.    
Introduction

As
everyone in this competitive world prefers to make the things easy and simple
to handle, this project sets an example to some extent. In this paper we deal
with the security of the vehicle. Whenever the GSM modem receives the message
from the particular mobile then the car engine gets stopped. The mobile number
from which the message is being sent should be the authorized mobile number. Nearly
99 per cent of the processors manufactured end up in embedded systems. The
embedded system market is one of the highest growth areas as these systems are
used in very market segment- consumer electronics, office automation,
industrial automation, biomedical engineering, wireless communication, data
communication, telecommunications, transportation, military and so on. An
embedded system can be defined as a computing device that does a specific
focused job. Appliances such as the air-conditioner, VCD player, DVD player,
printer, fax machine, mobile phone etc. are examples of embedded systems. Each
of these appliances will have a processor and special hardware to meet the
specific requirement of the application along with the embedded software that
is executed by the processor for meeting that specific requirement. The
embedded software is also called “firm ware”. The desktop/laptop computer is a
general purpose computer.

2.      Proposed Method

Peoples
are  using  the 
manufacturer  security  alarm only. The thief had an experience
regarding this security alarm, which means their  work 
is getting  easier  to steal 
the car  because  they had 
well  known  about the alarm circuit. They know when  the time to cut off  the alarm and had well known about  the system. So, it is important to
double  protect the  security of the vehicle. Antitheft  security 
system  utilizes  an embedded system design  with 
Dual  Tone Multi  Frequency 
(DTMF)   and  a  GSM  to 
monitor  and  safeguard a vehicle. It secures the vehicle
against theft. Upon activation, it automatically demobilizes the vehicle by
disconnecting  the  ignition key supply from the car  battery. This now makes it impossible for
anybody  to starts the vehicle, let alone
moving with it. In an   attempt of   theft  
through the vehicle  doors  or 
boot, the  system  sends 
text message to the  vehicle owner
and at the same time starts up an alarm. This design popped   out 
due  to   the 
increasing  rate  at 
which  packed   vehicles 
are  stolen especially in our
country, but with this design this packed vehicle is being monitor red
irrespective of where it is packed, 
provided  there is GSM  network 
coverage. From  the   research conducted,  it  was  found 
out  that  majority 
of  the  existing vehicle  security system  uses  only
alarm, and  doesn’t  send 
text  message to  the vehicle 
owner  let  alone of 
demobilizing the vehicle. But 
with  the use of  GSM network, the  owner 
is guaranteed that  the vehicle
will  send  text 
message to his phone, and at the same time, have people around alerted
of what is happening.        

Nowadays,
automobile thefts are increasing and also the production of vehicle also  increasing in yearly world. So, vehicle theft
is a universal problem .To solve this 
problem, most of  the vehicle  owners have 
started using the theft protection systems  nowadays. 
A  wireless vehicle security  system which 
implements  the mobile
communication protocol  is used.  The most 
known  existing  car security system is car alarm and has a lot
of drawbacks.

The block diagram for vehicle theft
detection system by using GSM is as shown in the Fig.1 and 2.

 

 Global System for Mobile (GSM)
is a second generation cellular standard developed to cater voice services and
data delivery using digital modulation.Cellular is the
one    of    the    fastest  
growing and it is the most demanding telecommunications applications. Cellular
systems    using    a digital technology will become
the universal method of  tele-communications.
Short message service is a mechanism of
delivery of short messages over the mobile networks. It is a store and forward
way of transmitting messages to and from mobiles. The message (text only) from
the sending mobile is stored in a central short message center (SMS) which then
forwards it to the destination mobile. This means that in the case that the
recipient is not available, the short message is stored and can be sent later.

 Each short message can be no
longer than 160 characters. These characters can be text (alphanumeric) or
binary Non-Text Short messages. An interesting feature of SMS is return
receipts. This means that the sender, if wishes, can get a small message
notifying if the short message was delivered to the intended recipient.

Since SMS used signaling channel as opposed to dedicated channels, these
messages can be sent/received simultaneously with the voice/data/fax service
over a GSM network. SMS supports national and international roaming. This means
that you can send short messages to any other GSM mobile user around the world.
With the PCS networks based on all the three technologies, GSM, CDMA and TDMA
supporting SMS, SMS is more or less a universal mobile data service.

The SMC (Short Message Center) is the entity which does the job of store
and forward of messages to and from the mobile station. The SME (Short Message
Entity) which can be located in the fixed network or a mobile station, receives
and sends short messages.

The SMS GMSC (SMS gateway MSC) is a gateway MSC that can also receive
short messages. The gateway MSC is a mobile network’s point of contact with
other networks. On receiving the short message from the short message center,
GMSC uses the SS7 network to interrogate the current position of the mobile
station form the HLR, the home location register.

HLR is the main database in a mobile network. It holds information of the
subscription profile of the mobile and also about the routing information for
the subscriber, i.e. the area (covered by a MSC) where the mobile is currently
situated. The GMSC is thus able to pass on the message to the correct MSC.

MSC (Mobile Switching Center) is the entity in a GSM network which does
the job of switching connections between mobile stations or between mobile
stations and the fixed network.

A VLR (Visitor Location Register) corresponds to each MSC and contains
temporary information about the mobile, information like mobile identification
and the cell (or a group of cells) where the mobile is currently situated.
Using information from the VLR the MSC is able to switch the information (short
message) to the corresponding BSS (Base Station System, BSC + BTSs), which
transmits the short message to the mobile.

 The BSS consists of transceivers,
which send and receive information over the air interface, to and from the
mobile station. This information is passed over the signaling channels so the
mobile can receive messages even if a voice or data call is going on.

2.1 Working of
vehicle theft DETECTION BY GSM

This  paper
includes the various important blocks of system are:
1) Vibration Sensor: It  is a  kind of  Piezoelectric  sensor. It detects the amount of vibration,
compares  it with  threshold level  set by user and gives high pulse at its
output. We have used Digital output vibration sensor.
2) Ignition  Lock: This  is used to  identify  that  owner  has left  the  vehicle.
 Any action after key removal will be
considered as invalid access to the vehicle.
3) Microcontroller: We  have  used  8051  series 
Microcontroller, AT89S52. 8051 communicates  with  sensor, ignition  key, LCD  display, GPS  modem  and
 GSM modem.
4) LCD display: This  is non-mandatory  component  of  the  circuit. However it is important part while
developing the project.
6) GSM Modem: Microcontroller sends AT commands to the GSM modem. Then GSM
modem sends SMS.
7) Buzzer: This will be turned on when Vibrations are detected.

The  embedded
system  installed  in the engine of the vehicle along with the
GSM modem. By entering  a correct  password the instrument allows to activate the
12v relay and then ignition of the engine will  start. Hence starts the vehicle. If anyone
tries to  access  the  vehicles
password  or  theft  the  vehicle , then 
the MCU  will block  the  entry  of  further  password. Then  the buzzer will turned on to create a noise  to  panic  the  culprit,  followed  by sending a message “Alert: Car Is Under
Threat”   through  GSM   modem  to  the  owner’s  mobile  for  further  action  for prevention  of his vehicle. According to the prototype
model after entering correct password  the  Fan
 will move and at  the same time, according to the instruction it
will  run  forward for 10 sec and backward for10 sec like
an automobile. Password can be c hanged by the following proper procedure.  First 
enter  # , then  enter the old  password ,  then  new  password.  Now  test,  whether  the  new
 password 
 is working or not.  As per  algorithm given  below the new password will retain even after  power  failure.
So  it  will work  as usual. The source code  is  written  in the embedded C language. To develop the
source code the flow chart of the project is shown in the figure below 3.1.     RESULTS AND DISCUSSIONS  This  GSM  based  vehicle  theft control  system retrieves vehicle status is  whether 
it  is  in theft 
mode.  This  data  is
 fed  to  the  microcontroller, which  is interfaced  to  a  GSM modem. The  microcontroller generates  the 
vibrations and sends  an SMS to
the concerned authority over GSM modem  on
 periodical interv alls which is set by  the  user.
An  LCD display is connected to the
microcontroller for  crossing  the data received  before  being
sent over GSM. This project  will be very
 useful  to  people  to
keep  track of their vehicles. Further,
this project can be developed  by  making  an  arrangement
to stop the  ignition  of the vehicle by the owner  remotely by sending an SMS in theft
situations.

 The  kit
consists  of  an  ARM
Controller, Relay circuit, GSM Module and LCD 
Display  are  interfaced 
on  a single  board 
and  embedded  on single board which  is 
embedded  to  a 
vehicle  as a  control unit. The relay is connected to the
Vehicle  Engine Unit of  the Automobile When “OFF” message sent by the
owner of the  vehicle to the  mobile embedded  in the control unit, the controller displays
the  message  in  the
LCD  as shown in the Fig.4.and  invokes 
the  relay that is connected  to the vehicle engine  which 
will stop  fuel  flow thus 
locking  the  vehicle engine. 

 Similarly 
when “ON” message sent by the owner 
of the vehicle to  the  mobile embedded  in 
the  control unit, the controller
displays   the message in the LCD as
shown in the Fig.5 and  invokes the relay
that  is 
connected to the vehicle  engine  which will 
in turn  allows the fuel  flow 
by unlocking the vehicle engine

 1.     CONCLUSION

In this paper we
have studied and implemented a complete working model using a Microcontroller.
Using this project, one can control his vehicle’s car engine by means of an
SMS. The main purpose of this paper  is
to prevent vehicle theft. This functionality is achieved by detecting vehicle
status in theft mode and by sending an sms which is generated automatically.
This sms is then sent to the owner of the vehicle .The owner can then sent back
the sms in order to disable the ignition of the vehicle.

Thus in this way
crimes can be reduced to a great extent as vehicles today are being stolen in
large number. Hence, vehicles today require high security which can be achieved
with the help of this application.

 

5  Future scope

Further
enhancement can be done to this paper  by
 using  a  GPS
system that  helps  to  find
out the exact position of the vehicle with the help of its latitude and  longitude  which then can  be sent  to the owner  of the vehicle via SMS. This data  can  be  then  entered  by  the  owner  on  Google
map  to  find  out  the
exact location of  the vehicle. There are  many  Applications of GPS based Vehicle theft
detection  system  using  GSM  technology,  few 
of  them  are 
listed  below:GPS  Car theft  detection  can  be  used  in
 transportation vehicles of  Companies, schools, colleges and industries. This
 work can be used  in our  cars
and even in bikes.

BIBLIOGRAPHY

1 B.G. Nagaraja, Ravi Rayappa, M.
Mahesh, Chandrasekhar M. Patil, Dr. T.C.                Manjunath, “Design & Development of a GSM Based
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 3
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 7
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National motor vehicle theft reduction conference 2000, Conference Papers  (Australia).

 9
Stolen and Wrecked Vehicles Monitoring Program, CCMTA June 1994 (Canada).

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11 http://www.howstuffworks.com

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