IOT BASED TEMPERATURE MONITORING SYSTEM USING FPGAMrsGSubashini1

IOT BASED TEMPERATURE MONITORING SYSTEM USING FPGA

Mrs.G.Subashini1, Ms.A.Annie Sheryl2, Ms.R.Vimala3

1Assistant professor, AAA college of Engineering and Technology, Sivakasi.

Mail Id: [email protected]

2, 3 UG Scholar, AAA college of Engineering and Technology, Sivakasi.

Mail Id: [email protected], [email protected]

ABSTRACT:

A hot topic in today’s context, FPGA implementation of Internet of Things (IOT) is recently introduced technique. The Internet of things is connecting people and smart devices on a scale that was once unimaginable.

One more challenge for IOT is to handle vast amount of sensing the data generated from smart devices that are resource limited and subject to missing data due to link failures. By implementing IOT on FPGA platform, we present a concept in this paper, i.e. the use of low cost FPGA implementation of entire IOT subset including TCP/IP protocol, Contro

System, Data Acquisition etc. The IOT applications on FPGA platform have

received significant attention from the research community in the past few years.

This technique offers a complete, low cost, powerful and user-friendly way of 24 hours real-time monitoring and remote sensing system. The main aim of this research is to highlight how the users can access the FPGA based design resources from anywhere. Thus we present a concept that shortens the application of momentarily unused resources for executing various tasks automatically.

Building a cloud based monitoring system is very important to reduce the cost of maintaining servers, to avoid data losses and to make the access easy with multiple internet connected devices ( computer, tablet, mobile phone) at the same time anywhere in the world.

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There are various industrial areas it requires you to monitor temperature and update the status to the cloud. Food preservation is one of the areas where the temperature must be maintained at the lowest level. IOT based temperature monitoring system help us to monitor the food preservation system temperature and update the data to the cloud at the regular interval.

1. INTRODUCTION:

FPGA-based hardware Web services have already been realized and defined. Their embedded nature permits the developers to simply adjust those services to energetically

interrelate with their surroundings, e.g. to attain real-world measurement data or control various actuators. Such entities can be called environment-aware web services in difference to classical web services that work on remote physical or virtual machines. In the modern era IP address is added to the targeted VHDL Code design in order to make Internet of Things.

2. LITERATURE SURVEY:

Ajay Rupani[1] in her review article title ‘A Review of FPGA implementation of Internet of Things’ has briefed about the growth of IOT.

The internet has enabled an unpredictable growth of information sharing with the introduction of embedded and sensing technology, the number of smart devices including sensors, mobile phones, RFIDs and smart grids has grown quickly in

recent years. Ericsson and Cisco predicted that fifty billion small embedded sensors and actuators will be associated with the internet by 2020.

Andrea Caputo[2] in his review article title ‘The Internet of Things in manufacturing innovation processes: Development and application of a conceptual framework’ has briefed about the services provided by IOT.

Internet of Things (IOT) is an integrated part of future internet including existing and evolving Internet and network developments and could be conceptually defined as a global dynamic network infrastructure with self-configuring capabilities based on standard and interoperable communication protocols where physical and virtual “things” have identities, physical attributes, and virtual personalities, use intelligent interfaces, and are seamlessly integrated into the information network. Services will be able to interact with these “smart things / objects” using standard interfaces provide the necessary that will link via the Internet, to query and change their state and retrieve any information associated with them, taking into account security and privacy issues.

M.Kiruba[3] in her review article ‘FPGA implementation of automatic industrial monitoring system’ has briefed about the control stability of FPGA

Dr.K.K.SHARMA proposed that, proposed the automatic monitoring of industrial system that deals with the core controller of FPGA, the analog sensor such as gas sensor, digital sensor and dust sensor such as PIR motion sensor. To monitor industrial equipment, various sensors have been used and their voltage range is 4.4 V. This confirms a safer monitoring system. The parameters of Area, Power and timing report are analysed.

3. BLOCK DIAGRAM:

Block diagram of FPGA

3.1 BLOCK DIAGRAM DESCRIPTION:

The general FPGA architecture is shown in fig 3.2 consists of three types of modules. They are I/O blocks or Pads, Switch Matrix/Interconnection Wires and Configurable logic blocks (CLB). The basic FPGA architecture has two dimensional arrays of logic blocks with a means for a user to arrange the interconnection between the logic blocks.

FPGAs have gained rapid growth over the past decade because they are useful for a wide range of applications. Specific application of an FPGA includes digital signal processing, bioinformatics, device controllers, software-defined radio, random logic, ASIC prototyping, medical imaging, computer hardware emulation, integrating multiple SPLDs, voice recognition, cryptography, filtering and communication encoding and many more.

4. HARDWARE DESCRIPTION:

4.1 LM35 TEMPERATURE SENSOR:

A temperature sensor is a thermocouple or

a resistance temperature detector (RTD) that gathers the temperature from a

specific source and alters the collected information into understandable type for an apparatus or an observer. Temperature sensors are used in several application namely HV(high voltage) system and AC(alternating current) system environmental controls, medical devices, food processing units, chemical handling, controlling systems, automotive under the hood monitoring and etc.

This circuit comprises of the following components

•

• LM35 Sensor transmitter and receiver pair.

• Resistors of the range of kilo ohms.

• Supply voltage

5. SYSTEM IMPLEMENTATION:

Spartan3AN FPGA starter kit consists of on board 2 channels ADC with channel connected with LM35 temperature sensor. VHDL code is developed to perform analog to digital conversion, read the LM35 data as digital output and display it to the 2×16 LCD.

5.1 INITIALIZING 8266 Wi-Fi MODULE:

ESP826 Wi-Fi Module is used to transmit the temperature data wirelessly to the Wi-Fi Modem at the other end with internet connection. ESP826 Wi-Fi Module can be initialized using set of AT Commands. Initialization process includes, checking the communication with ESP8266 to Spartan3an FPGA, searching for a Wi-Fi network within its range and connecting the Wi-Fi module to that

network by getting authenticated with required credentials. After the initialization process, we have to program for configuring the Wi-Fi

module as a TCP/IP client. While configuring the ESP8266, checking the acknowledgment is important to ensure that the module is configured correctly. The Wi-Fi module is shown in figure.

Wi-Fi Module

6. RESULTS:

Cloud based temperature monitoring output image

7. CONCLUSION AND FUTURE WORK:

The growing number of complex IOT applications have raised new challenges in the design of IOT based embedded systems. The FPGAs are one of the areas that are in vogue and its development is related to the evolution of hardware components and their diversity of use. In this paper, we have introduced the study of technology paradigm for IOTs on FPGA

platform. The use of low cost FPGA implementation of entire IOT subset including TCP/IP protocol, Control System, Data Acquisition etc. The IOT applications on FPGA platform have received significant attention from the research community in the past few years. This technique offers a complete, low cost, powerful and user-friendly way of 24 hours real-time monitoring and remote sensing system. The main aim of this research is to highlight how the users can access the FPGA based design resources from anywhere. Thus we present a concept that shortens the application of momentarily unused resources for executing various tasks automatically.

8. REFERENCES:

1. Ajay Rupani , Gajendra Sujediya, (2016) ‘A Review of FPGA implementation of Internet of Things’ in International Journal of Innovative Research in Computer and Communication Engineering, Vol. 4, Issue 9

2. Ajay Rupani , Deepa Saini , Gajendra Sujediya , Pawan Whig,(2016) ‘A Review of Technology Paradigm for IOT’ on FPGA “International Journal of Advanced Research in Computer and Communication Engineering ISO 3297:2007 Certified Vol. 5, Issue 9

3.Andrea Caputo, Giacomo Marzi, Massimiliano Matteo Pellegrini, (2016) ‘The Internet of Things in manufacturing innovation processes: Development and application of a conceptual framework’, Business Process Management Journal, Vol. 22 Issue: 2, pp.383-402,