International Journal of Engineering Trends and Technology (IJETT) – Volume 16 Number 3 – Oct 2014
Vehicle Security System Using CAN
N.Kavya1, B.Santhosh Kumar2
1
1,2
pursuing M.Tech (ES) , 2Assistant Professor (ECE Department)
Visvesvaraya College of Engineering and Technology (VCET), M.P.Patelguda, Ibrahimpatnam, RangaReddy,
Telangana, INDIA
Abstract: –Avoiding the Vehicle Theft is making real buzz in
the present automobile industry. For the design and
development of a theft control system, it can be done by
making use of GPS feature of mobile phone. The Engine
control module is interfaced by using Control Area Network.
The developed system is placed in the vehicle which
communicates with the Engine control module, by using the
GPS. Stolen vehicles can be stopped. Whenever the vehicle
owner sends a predefined text from his mobile phone to the
GSM module available in the vehicle, according to the
received message the vehicle engine is going to be locked
immediately. The engine can be unlocked by sending the
message again by same owner of the vehicle. The aim of the
design is to build the security for vehicles by using embedded
system to communicate with the engine of the vehicle.
But here we have proposed a new system to find the
stolen vehicle and to control the vehicle according the owner’s
will. So for that we are going to use Global Positioning
System (GPS) to calculate the latitude and longitude values
and to send the information to the owner we need to use GSM
(Global System for Mobile communication).
II.BLOCK DIAGRAM
A. Transmitter section:
Power supply
Keyword: GPS, GSM, MCP2515, MCP2551.
I.INTRODUCTION
Today world consist of high end technology, through
which the control section should be operated with the help of
just a remote from the place where we are sitting. When
coming to the technology in automobile industry, the different
sections in our vehicle such as speedometer and its display,
audio and video section, gears display, air condition control,
window glass control, controlling the roof of the car, locking
of the doors correctly etc are some of the sections to be
displayed on the LCD screen available just before driver. So
to perform all these in present days we are going to use
technology, CAN (Control Area Network). In this technology
we are going to control the different sections with the
MCP2551 and MCP2515. These are called as CAN
transmitter and CAN receiver. By using these we can perform
the action of data transmitting and receiving between the
different sections.
Here our project main theme is to find the stolen
vehicle. For that we have prepared the system based on
Control Area Network (CAN). This system can be installed
can be installed in one vehicle or group of vehicles (fleet of
vehicles). This system is used to track the stolen vehicle and
also easily find out the position where it is. Initially let us
consider when the person’s vehicle has been stolen, so to find
the stolen vehicle he has to lodge a complaint at police station.
Then the public servants will make an enquiry about that by
informing to further police stations. They will search for it. If
they have fond it out, they are going to inform us. Or else we
have to leave our hopes in finding the vehicle back.
ISSN: 2231-5381
LCD
module
Control
Area network
PIC16F877A
GPS
module
GSM
module
Fig1: Block diagram for transmitter section
B. Receiver section:
Power supply
RELAY
Control
Area network
PIC16F877A
Fig2: Receiver section
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MOTOR
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International Journal of Engineering Trends and Technology (IJETT) – Volume 16 Number 3 – Oct 2014
III.BLOCK DIAGRAM DESCRIPTION
A. CAN BUS:
Here CAN indicate Control Area Network which is
used for the communication between two or more devices. It
was developed by engineers of BOSCH, who desires were left
unfulfilled for 1980. They have come up with this technology
as message oriented transmission protocol. It mainly works
under Broadcast communication mechanism.
Usage in Automobiles:
By the usage of the CAN protocol in the automobiles
between the control unit and the sensor unit, we are going to
achieve the following advantages as a overall unit.
B. GSM:
GSM is the Global System for Mobile
Communication. It is originally called as Group Special
Mobile. It is the basic popular standards for the mobile
communication in the world. These GSM standards are used
by 212 countries and over 3 billion people in the world.
In our project we are going to use the GSM in the 2G mode
as we need to receive the information from the owner and
need to respond according to that. When the owner sends
message to the TRANSMITTER kit (GSM), then it uses GPS
to calculate the latitude and longitude values and send those
values to the owner. If the owner wants to turn off his vehicle
engine, he has to send the message the ENGINE OFF to the
GSM. Thus our GSM works in that process.
1) Here CAN acts as data highway, because it is
going to transmit the information from the control unit to the
different section. This process of exchange in takes place on
the uniform platform called protocol.
2) Many control units can be implemented efficiently.
One of the examples is ESP.
3) We can use copper and optical fibre cables as the
transmission media which is permitted by the CAN bus.
On the whole this CAN protocol works on the basis
of bus network topology,
Fig 4: GSM model
C. GPS:
ECONOMY
ECONOMY
ECONOMY
REGULATOR
REGULATOR
REGULATOR
CIRCUIT
CONTROLLER
CIRCUIT
CONTROLLER
CIRCUIT
CONTROLLER
SENSOR
POWER
SUPPLY
CAN
CAN
CAN
CONTROLLER
CONTROLLER
CONTROLLER
TX
RX
TX
RX
TX
RX
GPS is the Global Positioning System used to
calculate the latitude and longitude values of the position
where it is placed. It was initially developed by United States
Department of Defence. It is also called as NAVASTAR GPS,
often for the purpose of navigation system by civilians. GPS is
mainly works on satellites. GPS uses a nearly 24 to 32
satellites which emit the micro wave signals, through which
location details (latitude and longitude), speed and velocity of
the object in which the GPS is placed are also calculated.
In our project we are going to use this GPS to calculate the
latitude and longitude values. Apart from that this GPS is used
to calculate the speed with which the GPS is moving. So its
main motto is to send the location details to the GSM
whenever the GSM receives the message TRACK.
CAN bus
Fig3: CAN bus protocol
Fig 5: GPS model
ISSN: 2231-5381
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International Journal of Engineering Trends and Technology (IJETT) – Volume 16 Number 3 – Oct 2014
IV.WORKING PRINCIPLE
Our main motto is to identify the location of the
stolen vehicle. So by using CAN protocol we are
implementing the vehicle security. In this design, we have two
control boards one consist of GSM, GPS. The second board
consist of ECU (Engine Control Unit). Whenever the owner
identifies his vehicle has been stolen, then if he wants to
identify or track his vehicle location, he has to send text
message to the GSM placed in the vehicle. The text message
should be “TRACK”. When this message has been received
by the GSM then it is going to calculate the latitude and
longitude values using GPS and those values are sent to the
owner number. If the owner wants to stop the vehicle then he
has to send the message as “ENGINE OFF”, then this
message will be compared with the predefined message and if
both the strings are similar then automatically the information
is passed from transmitter section to the receiver section to
turn off the engine control unit.
V.FLOW CHART
START
DID
VEHICL
E
STOLE
NO
YES
OWNER HAS SENT
THE MESSAGE
“TRACK”
RECEIVED
LATITUDE AND
LONGITUDE
VALUES.
OWNER SENT THE
MESSAGE ENGINE
OFF.
VEHICLE ENGINE HAS
BEEN STOPPED
STOP
Fig6: flow chart for the process flow.
ISSN: 2231-5381
VI.CONCLUSION
This project provides the most sophisticated control
of led lighting and also used to maintain the light glow at
different intensities. By using this project we can save the
power by making the reduction in power consumption. Thus
we used the GSM wireless communication to transmit the
information to the receiver section.
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International Journal of Engineering Trends and Technology (IJETT) – Volume 16 Number 3 – Oct 2014
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ISSN: 2231-5381
VIII. AUTHOR DETAILS
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N.Kavya,pursuing
M.Tech
(ES)
from
Visvesvaraya
College of Engineering and
Technology (VCET),
M.P.Patelguda,Ibrahimpatna
m, RangaReddy,
Telangana, INDIA
B.Santhosh Kumar,working
as Assistant Professor & HOD
(ECE
Department)
from
Visvesvaraya
College
of
Engineering and Technology
(VCET),
M.P.Patelguda,Ibrahimpatnam,
RangaReddy. He obtained
Ph.D
in
Wireless
Communications.He
has
morethan nine years of
Experience in Teaching Field.
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