IoT Enabled Worker Safety System
Prof. Arpita Shah
Assistant Professor
Chandubhai S Patel Institute
of Technology
Charotar University of
Science & Technology
Changa, India
Prof. Divyesh Patel
Assistant Professor
Chandubhai S Patel Institute of
Technology
Charotar University of Science
& Technology
Changa, India
Prachi Desai
Student
Chandubhai S Patel Institute
of Technology
Charotar University of
Science & Technology
Changa, India
Abstract— This paper expects to develop a model for an electronic remote gas and temperature
checking device for expert's prosperity in sewage pipelines. The contraption is WSN based
microcontroller outfitted with straightforward and modernized sensor. The arrangement
joined a couple of units predominantly: Arduino Microcontroller, MQ-2, MQ-4, MQ-7, MQ-
135, DHT11, Gas and Temperature Sensors, and the present controller circuit. The
straightforward yields of the sensors are related with a microcontroller through an ADC for
mechanized banner change and data logging. A LCD demonstrate is moreover connected
with the microcontroller to demonstrate the estimations. For examination and recording
purposes, the data can be traded to a PC with a graphical UI program through a USB
interface. The contraption indicates deadly gas and pros progressing position, transmit
information remotely by methods for a graphical UI to give connecting help. By continues
checking, this device will inclined to lessen disasters and gradually saves a presence. The
device has various central focuses when stood out from other watching systems with respect
to its humbler size, enormous memory limits, on-contraption appear, cut down cost and more
important transportability. Index Terms— gas, temperature, sensor, microcontroller, web-based, wireless sensor
network (WSN)
1. Introduction
IoT is an arrangement of various devices related by correspondence progresses that result
in a structure that can screen, accumulate, exchange inspect and pass on vital new
information. Tomorrow's Smart System will be remote. The system strategy of watching and
motorization applications are both "going remote" and "going IP" to diminish foundation cost
and enhance Internet joining. Masters security is a stress and commitment with respect to all
associations, especially while talking about workplace prosperity. It is a basic commitment
regarding security affirmation pros to check and assert whether the worksite is suitable and
okay for the delegates to proceed with their step by step errands. Workplace prosperity ends
up fundamental when the district is impartially an ungainly zone. Most by far of the worksite
mishap that happen can truly be turned away if the worker's status is interminably checked
with the help of IoT devices and cross breed courses of action, which consolidates a
specialist's biometrics. This, accordingly, will help associations reduce their security cost
through overhauling worksite prosperity in a sharp and fruitful way. In this proposed
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structure IoT-enabled, master prosperity system for customized watching and following of
workers working inside Drainage pipeline. In those pipeline there are Sewer gas that contain
such blends as hydrogen sulfide, noticing salts, carbon dioxide, methane, nitrogen, and
hydrogen. The gases released by this blend of fixings, the result could be dead serious harm
to your respiratory or notwithstanding passing. To crush this condition made an embedded
system using two microcontrollers in light of the way that Arduino works progressed and
raspberry pi works basic while all the sensor works modernized. Wire correspondence
framework exist today in a large portion of mine has the issue to the wire or link
correspondence framework. They breakage, start any sort of issue distinguish the ecological
condition .They created to remote correspondence framework. The vast majority of the
remote correspondence framework utilizing zigbee innovation. They give long battery life,
low information rate and low power. This ability gives arrangements that enhance specialist
productivity and security, including without hands tasks of modern gear and laborer
movement discovery. IOT incorporates buyer level gadgets, for example, heart observing
wellness groups or savvy home appliances.Machines advice or work how to improve
profitability or identify a disappointment before it happens, in our task possibly spare an
existence as well. Underground passage, the wired correspondence framework isn't so viable.
Fig.1 Working The Whole Safety System
In the current year Internet of things for underground mine idea connected. Correspondence
assumes an essential part for a security. Mining industry faces numerous progressions
identified with the wellbeing and security. They connected new technique to expand laborer
wellbeing and diminishment of the expenses. To diggers are figure out how to risks issue.
Mining task C0,C02,CH4, some lethal gases ,Humidity, Temperature parameters to
consideration and persistent required to security of the underground mines. They have
nonstop checking and spare the specialists life. They utilized the distributed computing
innovation give ongoing information are consistently refreshed to dashboard and find, impart
to diggers any threats circumstance. The Internet of Things (IoT) system of numerous gadgets
associated by correspondence innovations that trade, dissect and convey significant new
ways. IBM Blue mix is a cloud arrange as an organization (PaaS) made by IBM. It supports a
couple of programming lingos and administrations and likewise joined DevOps to make, run,
send and administer applications on the cloud. Blue mix relies upon Cloud Foundry open
advancement and continues running on Soft Layer system. Blue mix reinforces a couple of
programming dialects including Java, Node.js, Go, PHP, Swift, Python, Ruby Sinatra, Ruby
on Rails and can be extended to help diverse tongues, for instance, Scale utilizing assemble
packs. Blue blend is the latest cloud offering from IBM. It enables affiliations and architects
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to quickly and easily make, send, and regulate applications on the cloud. Blue mix is a usage
of IBM's Open Cloud Architecture in view of Cloud Foundry, an open source Platform as a
Service (PaaS). Blue mix conveys undertaking level administrations that can undoubtedly
coordinate with your cloud applications without you having to know how to introduce or
design them. This article gives an abnormal state portrayal of Cloud Foundry and Blue mix
and layouts the highlights and administrations that were a piece of the open beta of Blue mix,
which make it a convincing PaaS in the market today.
Why Blue mix?
Blue mix is an execution of IBM's Open Cloud Architecture, in light of Cloud Foundry, that
empowers you to quickly make, convey, and deal with your cloud applications. Since Blue
mix depends on Cloud Foundry, you can take advantage of a developing biological system of
runtime structures and administrations. Notwithstanding giving extra systems and
administrations, Blue mix gives a dashboard to you to make, see, and deal with your
applications and administrations and in addition screen your application's asset utilization.
The Blue mix dashboard additionally gives the capacity to oversee associations, spaces, and
client get to.Bluemix gives access to a wide assortment of administrations that can be
consolidated into an application. Some of these administrations are conveyed through Cloud
Foundry. Others are conveyed from IBM and outsider sellers. New and upgraded
administrations are added to the list regularly. To see the present rundown of runtimes and
administrations, and their status go to the Blue mix inventory. Blue mix is a distributed
computing stage that furnishes engineers with various administrations and APIs in light of
Cloud Foundry Runtime Environments, Docker based Containers and Open stack VMs. The
conditions incorporate run-circumstances such as Node.js, IBM Liberty, Ruby, Python or
other (Cloud Foundry based) form packs It additionally gives administrations and APIs which
can be incorporated into your surroundings. These incorporate Internet Of Things, Analytics
(like Apache Spark, Apache Hadoop) Databases (counting DB2, Postgres, Mongo, Cloudant,
and so on), Workflow motors, Application Servers, and so forth. Node RED is a
programming instrument for wiring together hardware devices, APIs and online organizations
in new and captivating ways. It gives a program based editors that makes it easy to wire
together streams using the broad assortment of centres in the palette that can be sent to its
runtime in a single snap. Features Get Started Community. Intends to outline a model
vigorous, high exactness, wide-region situating framework for underground mine
surroundings to meet the prerequisites of crisis following and mine efficiency change.
II. PROPOSED SYSTEM
The proposed system is recognizing sewer gases and sending the sensor information on a
LCD screen. The objective is to design and execute the system to exhort the master when
there is a risk and logging each one of the data into dashboard screen for advance neighboring
help. The structure that we have made is fit for social event four air quality parameters from
different territories in the meantime. The device have the sensors in two separate sensor
shields to make the sensor center littler and accommodating. From this time forward, two
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sorts of sensor shields are illustrated which have assorted sensors with basic interfacing
circuit.
Block Diagram:
Figure 2.1 Block Diagram of proposed system
The Type I sensor shield has the CO2, methane and the temperature and clamminess sensors
while the Type II sensor shield has the CO, LPG, and the temperature and Humidity sensors.
The temperature and dampness sensor is determined to the two sorts of the shields to watch if
the yield of gas sensors depended upon the stickiness and temperature assortments. The
temperature and moistness sensor DHT11 and DHT22 is a modernized sensor and it is
negligible with low power use and whole deal quality. The sensor is pre-adjusted and it can
be related particularly to the modernized data and yield pins of a microcontroller with no
additional interfacing equipment. The yield movement from DHT1 and DHT22 is a 40-bit
data with temperature and clamminess estimations in suitable outlining units. In the
framework have set up association amongst controller and system then they read the sensor
esteem show on lcd screen. Every one of the information will be transferred on the cloud and
check to sensor edge esteem. Sensor esteem are not as much as so specialist are sheltered
position and method are stop. Be that as it may, sensor Value are more prominent than so
specialist are in perilous circumstance and caution Gmail or sms are send to the closest
individual and they spare the workers life.
Figure 2.2 Flow Chart of Proposed System
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SYSTEM DESIGN
A) Hardware design
Hardware component
Arduino Mega 256
ESP8266-01 Wi-Fi module
DHT11 Temp/Humidity Sensor
MQ2 Gas sensor
MQ4 CH4 Sensor
MQ135 C02 Sensor
MQ7 CO Sensor
DHT11 Temperature Sensor
DHT22 Humidity Sensor
20x4 LCD
Wires
1) Arduino MEGA
The Arduino Mega 2560 is a microcontroller board in light of the At mega 2560. It has 54
electronic information/yield pins (of which 15 can be used as PWM yields), 16 basic
information sources, 4 UARTs (hardware serial ports), a 16 MHz valuable stone oscillator, a
USB affiliation, a power jack, an ICSP header, and a reset get. It contains everything
anticipated that would help the microcontroller; fundamentally connect it to a PC with a USB
connection or power it with an AC-to-DC connector or battery to begin. The Mega 2560
board is great with most shields expected for Arduino/Genuino Uno.
Microcontroller ATmega2560 Operating Voltage 5V Digital I/O Pins 54 (of which 15
provide PWM
output) Analog Input Pins 16 DC Current per I/O Pin 20 mA DC Current for 3.3V Pin 50 mA Flash Memory 256 KB of
which 8 KB
used by the boot
-
loader SRAM 8 KB
EEPROM 4 KB Clock Speed 16 MHz Length 101.52 mm Width 53.3 mm
Table: Specification of Arduino Mega
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Figure 2.3 Arduino mega
2) Sensors of humidity and gas
LPG Sensor(MQ-2)
MQ-2 gas sensor is SnO2, which with cut down conductivity in clean air. At whatever
point the objective combustible gas exist, The sensor's conductivity is more higher close
by the gas obsession rising. Mercifully use clear electro circuit, Convert change of
conductivity to relate yield banner of gas center. MQ-2 gas sensor has high sensitity to
LPG, Propane and Hydrogen, moreover could be used to Methane what's increasingly,
other ignitable steam, it is with insignificant exertion and sensible for different
application.
Figure 2.4 (MQ-2 Sensor)
CO2 Sensor(MQ -135)
The MQ135 sensor has Features like awesome affectability and selectivity to CO2, low
stickiness and temperature dependence long security and reproducibility. This sensor
Application are air quality control, develop process control room.
Figure 2.5 (MQ-135 Sensor)
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Carbon monoxide gas sensor (MQ -7)
They are used as a piece of gas recognizing gear for carbon monoxide (CO). The wrapped
MQ-7 have 6 stick, 4 of them are used to get signals, and other 2 are used for giving warming
current.
Figure 2.6( MQ-7 Sensor)
Temperature sensor & Humidity sensor (DHT11)
This sensor have 3 stick VCC, GND and one is for signal. Tackles 3.5-5.5V DC control.
Single-transport data is used for correspondence among MCU and DHT11, it costs 5mS for
single time correspondence.
Figure 2.7 ( DHT11)
CH4 Sensor(MQ-4 Sensor)
They are used as a piece of gas spillage distinguishing kinds of apparatus in family and
industry, are proper for perceiving of CH4,Natural gas.LNG, keep up a vital separation from
the commotion of alcohol and cooking fumes and tobacco smoke.
Figure 2.8 (MQ-4 Sensor)
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MQTT
In this framework utilization of MQTT convention has been utilized as a light hold up
convention While HTTP is the accepted convention for the human web, correspondence
between machines at scale requires a change in perspective—directing far from ask
for/reaction and driving towards distribute/buy in.. It guarantees information transmission and
productive allocation. It is sensible for obliged condition than It works gainfully meander
level applications in view of its ultra-lightweight, greatly adaptable, and simple to-actualize
convention MQTT.
3) Software Used :
i) Arduino IDE 1.8.5
o -for programming Arduino Mega 2560
o -for debugging Program
ii) Libraries for Hardware Programming
o WiFiEsp- for esp8266 module
o PubSubClient-forimplementationof IoT feature Publish/Subscribe of MQTT
o DHT- for Temp/Humidity sensor
o LCD/LiquidCrystal_I2C- for lcd display
o Arduino Json- for json format
iii) Environment
(Server Side)
o IBM Blue mix service as a server.
o IBM internet of things Platform on top of IBM blue mix server.
o Node.js service on top of IBM blue mix server for NODE-RED application.
o NODE-RED application for wiring different service of IoT Platform and Hardware to
Display Sensors Live Reading on website.
(Developer Side)
o Windows 7 Ultimate
o (RAM Processor)4GB RAM and Intel(R) Core(TM)i5-2450M CPU(it's also your
hardware environment)
o Good Internet Connectivity
o Browser
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III. EXPERIMENT AND RESULTS
The IoT server regularly collects the listed measured parameter and plots on graphs with
reference of date they measured. Thing speaks channel settings can be changed as per figure
showed.
Figure 3.1 Graph of sensor reading in chart as well as gauge
Serial
no
Temperature Humidity LPG CH4 CO2 CO
1) 33 C 59% 33 14 170 8
2) 33 C 60% 6 9 170 15
3) 33 C 60% 4 40 177 16
4) 33 C 60% 30 114 177 92
5) 33 C 59% 46 14 184 20
6) 33 C 60% 3 5 70 46
7) 33 C 60% 2 10 285 1
Table: Reading of all sensors
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LCD INTERFACING
Here we have interfaced a character based 16x2 LCD for displaying information regarding
different parameters like Temperature, Humidity etc.
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Figure 3.2 LCD with sensor information
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Figure 3.3 Hardware setup module
CONCLUSION
The proposed system is cheap and components are readily available. It is portable and easily
upgradable. Adding with different types of sensors along with the proposed system, we can
make many smart applications Heart Rate(HR) monitor, body temperature monitor. With the
addition of GPS module can locate from anywhere.HR monitor, body temperature monitor
system is the future improvement of proposed system which notifies intrusion by an SMS or
Gmail. This project is a prototype for various safety applications based on Arduino mega and
internet of things.
ACKNOWLEDGMENT
I extend my earnest on account of Head, Dr. Ritesh Patel, Department of CE. Furthermore my
sincere thanks to Mr. N N jani, Head of the Green Field Pvt limited for their backing to
complete this exploration work effectively.
REFERENCES
[1] Zhi Sun, Student Member, IEEE, and Ian F. Akyildiz, Fellow, IEEE ”Magnetic Induction
Communications for Wireless Underground Sensor Networks” IEEE Transaction on
antennas and propogation Vol. 58, No. 7, July 2010.
[2] Rasmus Olsen, Student Member,IEEE, George J. Anders, Fellow, IEEE, Joachim
Holboell, Senior Member, IEEE, and Unnur Stella Gudmundsdottir, Member, IEEE
“Modelling of Dynamic Transmission Cable Temperature Considering Soil-Specific
Journal of Information and Computational Science
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Heat, Thermal Resistivity, and Precipitation” IEEE Transactions on Power Delivery, Vol.
28, No. 3, July 2013.
[3] Luca Catarinucci,Danilo de Donno, Luca Mainetti, Luca Palano, Luigi Patrono, Maria
Laura Stefanizzi, and Luciano Tarricone “An Iot-Aware Architecture for Smart
Healthcare Systems” IEEE Internet of Things Journal, Vol.2,No. 6,December 2015.
[4] Davoud Abootorabi Zarchi, Behrooz Vahidi “Optimal placement of underground cables
to maximise total ampacity considering cable lifetime” IET Generation, Transmission &
Distribution.
[5] Steven Kisseleff, Student Member, IEEE, Xiaoyang Chen, Ian F. Akyildiz, Fellow, IEEE,
and Wolfgang H.Gerstacker, Senior Member, IEEE “Efficient Charging of Access
Limited Wireless Underground Sensor Networks” IEEE Transactions on
Communications, Vol. 64,No. 5, May 2016.
[6] “The Working Principle of An Arduino”. Yusuf Abdullahi Badamasi, Nigerian Turkish
Nile University Abuja, Nigeria, IEEE 2014
[7] “An IoT-Aware Architecture for Smart Healthcare Systems” by Luca Catarinucci,
Danilo de Donno, Luca Mainetti, Luca Palano, Luigi Patrono, Maria Laura Stefanizzi,
and Luciano Tarricone, IEEE 2015
[8] “A comparative evolution of AMQP and MQTT protocols over unsuitable and mobile
networks” by Jorge E. Luzuriaga, Miguel Perezy, Pablo Boronaty, Juan Carlos Cano,
Carlos Calafate, Pietro Manzoni IEEE 2015
[9] “Analysis of notification methods with respect to mobile system characteristic” by Piotr
Nawrocki Mikołaj Jakubowski and Tomasz Godzik, IEEE 2015Turkish Nile University
Abuja, Nigeria, IEEE 2014
[10] “Enabling Cloud Computing for mobile internet of things” by Pablo Pu˜nal Pereira, Jens
Eliasson, Rumen Kyusakov, Jerker Delsing and Asma Raayatinezhad Department of
Computer Science, Electrical and IEEE 2013.
[11] " Bo, C., Xiuqan, Q., Budan, W., Xiaokun, W. et al. (2012), “Restful Web Service Mashup
Based Coal Mine Safety Monitoring and Control Automation with Wireless Sensor
Network”.
[12] " Dubaniewicz, T.H., Chilton, T.H., Doboroski (1993), “Fiber optic for atmospheric mine
monitoring. IEEE Transactions on Industry Applications”.
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