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Thesis

One stage solar photovoltaic fed brushless DC motor operated water pump

In order to optimize the solar photovoltaic (PV)generated power using a maximum power point tracking (MPPT) technique, a DC-DC conversion stage is usually required in solar PV fed water pumping which is driven by a brushless DC (BLDC) motor. This power conversion stage leads to an increased cost, size, complexity and reduced efficiency. As a unique solution, this work addresses a single stage solar PV energy conversion system feeding a BLDC motor-pump, which eliminates the DC-DC conversion stage. A simple control technique capable of operating the solar PV array at its peak power using a common voltage source inverter (VSI), is proposed for BLDC motor control. The proposed control eliminates the BLDC motor phase current sensors. No supplementary control is associated with the speed control of motor-pump and its soft start. The speed is controlled through the optimum power of the solar PV array. The suitability of the proposed system is manifested through its performance evaluation using MATLAB/Simulink based simulated results and experimental validation on a developed prototype, under the practical operating conditions.

Published by: Puviarasan D., Chintala Venkatesh

Author: Puviarasan D.

Paper ID: V5I2-1735

Paper Status: rejected

Submitted: April 15, 2019

Full Details Track Status
Research Paper

Structural health monitoring

In the past decade, we have seen growing interest in SHM based on wireless sensor networks and the reason for this is the poor installation and expenses of maintenance. WSNs allow a deep deployment of measurement points on an existing structure, facilitating exact and fault-tolerant damage identification techniques without installing a fixed wired infrastructure. We provide a hierarchical decentralized SHM system that executes flexibility-based damage identification and localization. Flexibility-based methods exactly identify and localize damage on a wider range of structures than the previous System, by externally correlating data across various sensors. Our hierarchical system organizes nodes into clusters using a novel multilevel search approach that incrementally activates sensors in the damaged regions, allowing much of the network to remain asleep.

Published by: Karthikeyan B., Jagatheswaran S.

Author: Karthikeyan B.

Paper ID: V5I2-1871

Paper Status: published

Published: April 13, 2019

Full Details
Research Paper

Insightlabs next generation school automation and data analytics

This project is based on a comprehensive study and research of Schools in India, where a school, even after being considered as an organization, perform and consolidate their daily operations such as Time Tabling, Communication, Attendance, Human Resource and Accounts using Files and Paperwork. It has been established that there is a growing need that these schools need to go ‘digital’. Apart from being digital, it has been found that classrooms generate a lot of data in the form of Academics, Demographic data, Attendance, Classroom Interaction, etc. This data is just given to the students and the parents in the form of a Report Card. This data is considered ‘Raw’ and useless as it just acts as a notification or information. This project helps Schools visualize and generate Insights through Data Mining and Machine Learning algorithms such as Random forests, etc.

Published by: Rahul I., Krishna Priya Udaykumar, Leela Sai Kumar

Author: Rahul I.

Paper ID: V5I2-1868

Paper Status: published

Published: April 13, 2019

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Research Paper

CFD analysis of heat transfer enhancement in double pipe heat exchanger using single and double triangular tape as inserts

The need to increase the thermal performance of heat transfer equipment (for instance, heat exchangers), thereby effecting energy, material, and cost savings, as well as a consequential mitigation of environmental degradation, has led to the development and use of many heat transfer enhancement techniques. These methods are referred to as augmentation or intensification techniques. This project deals with the analysis of heat transfer augmentation for fluid flowing through pipes using CFD. Using CFD codes for modeling the heat and fluid flow is an efficient tool for predicting equipment performance. CFD offers a convenient means to study the detailed flows and heat exchange processes, which take place inside the tube. Friction factor and Nusselt number for water flowing through the specified pipe were obtained first for the smooth pipe and then for the pipe with a single/double triangular tape insert in the Reynolds number range and Prandtl number. Calculated values (obtained from empirical equations available in literature) were compared with CFD values. Comparisons were also made between the smooth tube results and the single/double triangular tape results to establish the heat transfer augmentation due to the use of the insert. Simulations were carried out using commercial CFD software ANSYS.

Published by: Timesh Sanjiv Patil, Sanket Sunil Mane, Sagar Ramesh Ramne, Karan Ganesh Kadam

Author: Timesh Sanjiv Patil

Paper ID: V5I2-1857

Paper Status: published

Published: April 13, 2019

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Research Paper

Cyber security and the Internet of Things: Vulnerabilities, threats, intruders and attacks

Internet of Things (IoT) devices is rapidly becoming ubiquitous while IoT services are becoming pervasive. Their success has not gone unnoticed and the number of threats and attacks against IoT devices and services are on the increase as well. Cyber-attacks are not new to IoT, but as IoT will be deeply interwoven in our lives and societies, it is becoming necessary to step up and take cyber defense seriously. Hence, there is a real need to secure IoT, which has consequently resulted in a need to comprehensively understand the threats and attacks on IoT infrastructure. This paper is an attempt to classify threat types, besides, analyze and characterize intruders and attacks facing IoT devices and services.

Published by: M. Hemanth Kumar, Dr. A. Swarupa Rani

Author: M. Hemanth Kumar

Paper ID: V5I2-1835

Paper Status: published

Published: April 12, 2019

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Research Paper

Eye ball movement controlled mouse and keyboard using camera

Some are not ready to work with PCs in light of a sickness. Eye controls of extraordinary use to the eventual fate of characteristic contribution as well as more essentially the impeded and debilitated. Besides executing a controlling framework in it empowers them to work PC without the assistance of someone else. It is increasingly useful to the crippled. Those have to work PCs without hand this one is most valuable those can work cursor by the development of the eye. In this paper, the camera is catching the picture of eye development. First, distinguish student focus position of the eye. At that point, the distinctive minor departure from understudy position gets diverse development of cursor. The Implementation process for Pupil location utilizing Raspberry Pi and on the terminal of the Raspbian picture introduced on a raspberry pi. The eye tracker depends on pictures recorded by a transformed webcam to gain eye developments.

Published by: Vidhat Ganga, Saaima T., Sweta Kumari, Monika Jain, Rohan Madan, R. Veera Amudhan

Author: Vidhat Ganga

Paper ID: V5I2-1808

Paper Status: published

Published: April 12, 2019

Full Details
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