IRJET-Android Controlled Firefighting Robot using Arduino

International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056
Volume: 05 Issue: 05 | May 2018 www.irjet.net p-ISSN: 2395-0072
© 2018, IRJET | Impact Factor value: 6.171 | ISO 9001:2008 Certified Journal | Page 274
Android Controlled Firefighting Robot using Arduino
Snehal Adsul1, Ujjwala Lokhande2, Snehal Motghare3 , Pranita Dagale4,Prof. M. D. Sale5
1,2,3,4,5 Professor, Dept. of Computer Engineering, Sinhgad college of Engineering, Maharashtra, India
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Abstract - Nowadays , fire accidents are very common and
sometimes it becomes very hard for a fireman to protect
someone’s life. It is not possible to appoint a person to
continuously observe weather accidental fire has started
where robot can do that. Robot will detect fire remotely. These
robots are mostly useful in industries . The proposed vehicle is
able to detect presence of fire and extinguishing it
automatically by using temperature sensor. The proposed
robot has a water spray which is capable of sprinkling water
in 1800 angle. The sprinkler can be move towards the required
direction . At the time of moving towards the source of fire it
may happen that it will come across some obstacles ,then it
has obstacle avoiding capability. It detects obstacles using
ultrasonic sensors . Communicationbetweenthemobilephone
and robot will take place through Bluetooth ,which will have
GUI to control the movement of robot . When mobile gets
connected to Bluetooth firstly it will set module name, baud
rate .It is feasible to implement Bluetooth communication
between smartphones and micro-controller. Android
controlled robot can be used easily in everyday life such as in
homes, market ,companies etc. The development of apps for
Android in Android SDK is easy and free of cost.
Key Words: SDK, TFLC, OAFLC, LM35 ,Arduino UNO R3 etc
1. INTRODUCTION
Now a days mobile robots are very useful inconstruction
sites, warehouses and manufacturing plants. Mobile robots
can also be used in material handling applications which
applications are growing day by day. For analyzing different
items and for handling materials mobile robots can be used.
Wireless navigation is alsopossibleformovementsofmobile
robot, can be controlled through android.Fuzzylogiccontrol
mechanism is used to control robot. That model does not
need any mathematical model controlling. Previously Fire
Fighting Robots were controlled by using different
electronics devices .But this reduces the scope of control of
fire fighting robot .However ,with the advanced techniques
we can build the same robot by using android application to
control the actions of the robot . With the help of such
robots, fireman’s work really decreased and movements of
robot are so much effective. By usinganandroidappfireman
man detect the fire and can able to extinguish it .At the same
time robot can detect the obstacles and can avoid them by
using ultrasonic sensors . Our project is designed to build an
android application which can control operations of the fire
fighting robot . Fireman can send commands to robot
through Bluetooth module which is mounted on robot itself.
Smart phones has facility of Bluetooth, through that
Bluetooth fireman can control the movement of firefighting
robot . For fire detection it is using two sensors . One is
temperature sensor and second is smoke detector. Fire
extinguishing system will be get activated when fire
detection system detects fire .Sprinkler will start sprinkling
water when it detects fire . At the transmitting end android
application is used and at receiving end two motors are
interface to micro-controller.
2. LITERATURE SURVEY
Tawfiqur Rakib, M. A. Rashid Sarkar Proposed
movable robot consists of sensor like LM35 and Arduino
Flame Sensors are used to detect the fire anddistanceson its
way towards fire. In this for the mobility of the Robot , two
wheels made of Nylon and a caster ball is used. This is
mainly a rear wheel drive type of vehicle. The water
container has the capacity to contain at least 1L water. It is
made of strong cardboard which has water resistant
property.[1] A fuzzy controller is used to control an obstacle
avoidance of Vehicle.Theaimoftheproposedsolutionwhich
is given in the paper is to guide the Vehicle along its path to
avoid any static environments containing some static
obstacles in front of it. Obstacle avoidance in real-time is a
mandatory feature for Vehicle in an unknown
environment.[2]
Shivam Agrawal ,Nidhi Agrawal proposed that the
human can control the robot by using the Bluetooth module.
The Bluetooth module is work with the android application.
In this the Bluetooth model communicate android
application by using driving motor, arduino mega, voltage
divider, tyres , Bluetooth, motordriver.[3]SaravananP.,Soni
Ishawarya stated that there are three different types of
system unit is use
1. Locomotion system
2. Fire detection system
3. Extinguishing system
4.Communication system.
The Locomotion system is used for obstacle
detection and four ultrasonic range finder to find the
distance between obstacleandsystem.Firedetectionsystem
is used for the detection of fire in this the gas sensor is used.
Extinguishing system is for successfully extinguish the
fire.[4]
S. Jakthi Priyanka,R. Sangeetha proposed that
Arduino (UNO R3), gas sensor, motor driver, gear motor,
Relay driver, Bluetooth module, pump and sprinkler are

used. To program Arduino UNO R3 open source software
Arduino IDE is required. The detection and extinguishing
was done with the help of Arduino in which the temperature
sensor gear motor and its driver, relay driver etc. are
interfaced. The ”Android controlled firefighting robot” is
useful in everyday life such as in homes, laboratories,
parking lots, supermarkets,companies ,stores, shops etc.
Important function of the robot is patrolling. Limitation of
the robot is Bluetooth range and water capacity.[5]
The system controls four DC Geared motors which
is powered by the tmega2560 and controlled autonomously
by Navigation system which comprises of integrated
ultrasonic and infra red sensors. The bot carried wireless
camera with it which captures the video and transmits it to
the base station. The fire detection system consists of LDR
and temperature sensor. If fire is detectedtherethenthebot
will be moved to the source and starts extinguishing it. The
Extinguishing System mounted by BLDC motor with water
container. At extreme conditions SABOT is manually
operated also. [7]
3 Methodology
Proposed project is designed to build an android
application which can control operations of the fire fighting
robot . Fireman can send commands to robot through
Bluetooth module which is mounted on robot itself. Smart
phones has facility of Bluetooth , through that Bluetooth
fireman can control the movement of firefighting robot . For
fire detection it is using two sensors . One is temperature
sensor and second is smoke detector. Fire extinguishing
system will be get activated when fire detection system
detects fire .Sprinkler will start sprinkling water when it
detects fire . At the transmitting end android application is
used and at receiving end two motors are interfacetomicro-
controller. There are two types of robot navigation in
environment by using FLC.
Tracking Fuzzy Logic Controller (TFLC)
Obstacles Avoiding Fuzzy Logic Controller (OAFLC)
Following flow diagram can give the clear idea about the
flow of TFLC and OAFLC.[7]
TFLC is used to move robot in any direction according to the
commands sent by the fireman. As soon as obstacle is
detected control transfers to the OAFLC to avoid obstacles.
Fig -1:Flowchart of Fuzzy Logic
To travel robot towards the target TLFC and OAFLC
these two FLC methods are useful because it assures the
collision free path. Output of these two techniques will be
velocities of left and right DC motors. TFLC moves robot
smoothly towards the target and for that purpose TFLC will
required two inputs. One is distance between obstacle and
robot ,and another one is angle between robot and obstacle.
The variables used for the angle between the robot and the
obstacle to show in implementation table are: N: Negative,
SN: Small Negative, Z: Zero, SP: Small PositiveandP:Positive.
The linguistic variables used for input distance are: Z: Zero,
NZ: Near Zero, M: Medium, NF: NearFar,andVF:VeryFar.[7]
Fig -2: Table For implementation[7]
The above table shows the implementation of theFLCin real
life senario. Implementation is to be done with the help of

above table. OAFLC is normally usedtocontrol signalsandto
avoid obstacles which may come along the path towards the
target. For avoiding those obstacles OAFLC will required
distance and angle between robot and obstacle. Ultrasonic
sensors can
provide that distance .Following tableshowstheuseoffuzzy
logic algorithm. The variables used for theTFLCfuzzyruleto
show in implementation table are: Z: Zero, S:Slow, NM: Near
Medium, M: Medium, NH: Near High, H: High and VH: Very
High.[7]
3.1 Algorithm For Obstacle Avoidance
For obstacle detection ultra sonic sensors are used. Ultra
sonic sensors constantly emits the signals which has short
and high frequency. If any object is present inside the path
then frequency will come back to ultra sonic sensor which is
consider as an input through echo pin which is on sensor.
Firstly make the echo and trigger pin low and move the
robot in forward direction by default. When obstacle is
detected the echo pin will be set to high and start timing.
Timing will be stop when the echo pin will be down and it
will return timing pulses .From those pulses time will be
calculated. That time will get converted into distance. If
distance is moderate then speed of the robot will bereduced
and robot will take left turn. If obstacle is at left then it will
take right turn. If distance is very less then robot will get
stop ,move in backward direction and will take left or right
direction.
3.2 Operational Details
A) MODULES :
Fire Detection: Temperature sensor IC is available to
simplify broadest range of temperature. A temperature
sensor IC can operateoverthenominal ICtemperaturerange
of -55C to +150C. Temperature sensor continuously
measures temperature. If temperature exceeds the
programmed limit then messaged will be displayed that fire
is detected . Temperature sensor has three pins one is for
GND, second one is for VCC and last one is OUTPUT which
requires maximum 5.5v power supply. Temperaturesensor
is directly connected
to Arduino.[19] Fig. 3. Temperature Sensor
Fire Extinguisher: For extinguishing fire first of all we
need to detect fire. Fire is detected using temperature
sensors and command goes to servo motor and relay motor
to start. Relay motor is used toflowwaterthroughpump and
servo motor is used to rotate pump in 180 degreedirections.
Servo motor starts flowing water in 180 degree through
pump.
Obstacle Avoidance: Ultra sonic sensor, HC-SR04 emits an
ultrasound which travels through air. If there any obstacleis
present in the path of its rage then it echo it back to the
sender. Then programmer can easily find out distance
between obstacle and robot using time required to travel
and speed of the sound. It will be helpful for robot to avoid
obstacle . Ultrasonic module has 4 pins GND, Trig, VCC, and
Echo. The GND and VCC pins of sensorneedstobeconnected
to the GND and 5V of pins on Arduino board and Trig and
Echo pins are connected to any Digital pins of Arduino
board.[17] Obstacle avoidance is done by using ultra sonic
sensor. Ultra sonic sensor gives distance between obstacle
and robot, using which obstacle can be avoided. Fire can
move robot in any direction, whenobstacleisdetectedrobot
will stop and move in backword direction .Then fireman can
rotate it in any other direction to avoid obstacle if again
another obstacle detects then it will again stop and move
backword direction . Movement of robot is depends on
movement of wheels. The above fig shows how to connect
the L298 IC to control two motors. There are three input
pins for each motor, including Input1, Input2 , and Enable1
for Motor1 and Input3, Input4, and Enable2 for Motor2.
2.4 Outputs And Discussion
Fig -3 GUI for project
Fig -4: No obstacle is detected

Fig 5-Setup for testings
Fig -6:Obstacle Detected
Fig -7:when Obstacle is detected
Fig -8:Fire is Extinguished
In the fire-fighting robot project, the main aim was
to develop a robot which will detect fire and extinguish it. In
this project obstacle is detected by using ultrasonic sensor,
fire is detected by temperature sensor and robotismoved to
target using Bluetooth communication. A robot which is
result of this project communicates with mobile application
through Bluetooth and with microcontroller and other
hardware using serial port communication.Micro-controller
can handle both analog anddigital data receivedfrommobile
app and hardwares o detect fire and extinguish it. This
project is can be used in day today life if more professionals
are selected. It an be used in markets, malls, stores,
companies and even at homes. In this project fire is
extinguish by water which is stored in water tank which is
mounted on robot ,instead of this we can carry water pump.
For providing more safety we should add some obstacle
detector sensors and temperature sensors to detect fire at
left and right side.
4. CONCLUSIONS
Proposed approach of modular design strategy was a good
solution in implementing the fire fighting robot to help
people at the critical condition. The proposed robot can
move in forward, backward, left, right and can stop also. It
reduces human efforts and protect their property. Robot
detects fire and extinguish the fire with the help of sprinkler
pump. For extinguishing that fire robot has to reach upto
there and it moves towards the target with the obstacle
avoidance property. In this way robot can detects obstacle
and avoid them also.
ACKNOWLEDGEMENT
We feel great pleasure in expressing our deepest sense of
gratitude and sincere thanks to Prof. Suyavanshi ,my guide
Prof. M.D. Sale and Prof. Mande for their valuable guidance
during the project work, without which it would have been
very difficult task. This acknowledgement would be
incomplete without expressing our special thankstoProf. M.
P.Wankhade Head of the Department (Computer
Engineering) for their support during the work. We would
also like to extend our heartfelt gratitude to our Principal,
Dr. S. D. Lokhande who provided a lot of valuable support,
mostly being behind the veils of college bureaucracy.
REFERENCES
[1] Tawfiqur Rakib, M. A. Rashid Sarkar, “Design and
fabrication of an autonomous firefighting robot with multi
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issue-1 JUNE 2016
[2] Khaled Sailan , Prof. Dr. Ing. Klaus- Dieter Kuhnert
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control of amphibious autonomous vehicle”, Ineternational

journal of innovative science Engg. and Technology ,Volumn
2, 2015
[3] Shivam Agrawal ,Nidhi Agrawal, “Interfacing of robot
with android app for to and fro communication”, IEEE ,2016
[4] Saravanan P. ,Soni Ishawarya, ”Android controlled
intergrated semi autonomous fire fighting robot”,
Ineternational journal of innovative science Engg. and
Technology 2015.
[5] S. Jakthi Priyanka,R. Sangeetha, “Android controlled
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[7] Mohammed Faisal1, Ramdane Hedjar, Mansour Al
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[8] Saravanan P ,” Design and Development of Integrated
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[9] Satya Veera Pavan Kumar Maddukuri, Uday Kishan
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[12] Slideshares.com
[13] tutorialspoint.com
[14] pluralsit.com
[15] udemy.com Arduino Tutorial.
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[17] https://howtomechatronics.com
[18] https://www.allaboutcircuits.com
[19] http://www.instructables.com//19

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IRJET-Android Controlled Firefighting Robot using Arduino