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Research Paper

A comparative analysis of interior-point methods in convex optimization

Interior point methods or sometimes called Barrier methods are a class of optimization algorithms that are useful in solving inequality constrained linear or nonlinear programming problems. The optimization problem with inequality constraint is solved by using the Newtons method by converting it into series of equality constraints or KKT conditions. This paper presents the comparative study of the classical logarithmic barrier method and the primal-dual interior-point method along with their convergence analysis. A kernel function-based interior point method for second-order cone problems is also examined. The computational complexity of the algorithms is also discussed along with the implementation issues.

Published by: Mohd Aquib

Author: Mohd Aquib

Paper ID: V7I3-1347

Paper Status: published

Published: May 19, 2021

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Review Paper

The three horizons of stage-gated growth and innovation to future-proof the businesses

The Three Horizons of Innovation model, known as the “gold standard” strategy framework by McKinsey brings growth and innovation together. It also helps organizations to manage the varying visions and guide their teams to know about the goals that are planned over time including what can they expect in terms of results or profits. The model is a great fit for portfolio management as the framework visualizes the company’s future and provides a common language to convey the innovation culture in a simple way. On the other hand, the Stage-Gate® model leads to faster and better innovation with its subset “Scrum” framed inside a structured innovation process benefitting the internal and external stakeholders. It helps to approach the new product development (NPD) with an accelerated model that is adaptive and flexible for managing products. The purpose of this review is to provide a constructive framework for the companies to respond based on market expectations. Furthermore, the paper critically presents several theoretical and practical implications linking the underlying business strategy. The details of this multi-characteristic approach are outlined in this article.

Published by: Vijay Sekar

Author: Vijay Sekar

Paper ID: V7I3-1334

Paper Status: published

Published: May 19, 2021

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Research Paper

The Physiological Challenges of Yeong-Hye In Han Kang’s “The Vegetarian”

“The Physiological Challenges of Yeong-hye in Han Kang’s The Vegetarian” discusses on how a protagonist’s sudden decision to stop eating meat altered her own-self physically. It was the recurring dream that occurred to Yeong-hye continuously and strenuously, that made her avoid eating meat and food altogether. Throughout the novel, she spoke nothing but her act of defiance spoke louder than anything else. Yeong-hye had to battle her wars physiologically in The Vegetarian against vegetarianism, eroticism, sexual harassment, familial conflicts, violence both internally and outwardly, misinterpretations, schizophrenia, social, cultural and the traditional norms in order to conquer in becoming a full-fledged plant. The protagonist fought the battles strenuously, with determination and consistency. She might have failed, but not her resolution. It was rather a searing, scary, bizarre, terrific and an upsetting novel, in which the loss of appetite of the protagonist to eat food increases the appetite of the readers to ponder upon the lives’ choices on a phenomenal level.

Published by: Ann E. Irene, Dr. E. Arokya Shylaja

Author: Ann E. Irene

Paper ID: V7I3-1328

Paper Status: published

Published: May 19, 2021

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Research Paper

Hysteresis Current Control Technique for STATCOM to Operate and Mitigate the Power Quality Issues for Grid Interfaced with Wind Power System

Power quality can be considered by the appropriate supply voltage and an effective and reliable process for electrical energy delivery to consumers. Owing to increased sensitivity of applied receivers and power controls processes, many customers may experience severe electrical and technical consequences of poor power quality. Low power factor, harmonic pollution, load imbalance, fast voltage variations are some common issues that are caused due to insufficient power supply. Capacitor banks, FACTS devices, harmonic filters, Static Voltage Compensators, STATCOM (Static Synchronous Compensator) are the solutions to achieve enhanced power quality. The proposed scheme mainly focuses on injecting wind power into an electric grid as a method of running a wind generating system. This paper proposes STATCOM - Control scheme connected to PCC (Point of Common Coupling ) with BESS (Battery Energy Storage System ). This model’s simulation is conducted in MATLAB/ Simulink. The simulation results disclose enhanced power quality, improvement in voltage profile, and less distortion in the harmonic waveform.

Published by: Mamta Rathod, Prof. Rahatullah Khan, Krupesh Vedpathak

Author: Mamta Rathod

Paper ID: V7I3-1368

Paper Status: published

Published: May 19, 2021

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Research Paper

Design and fabrication of thermosyphonic water purification system

Lack of clean drinking water in rural areas is a huge problem during the occurrences of floods and other environmental disasters. Often, it takes a long time to transport potable water to these areas resulting in health issues for the residents. In this research, a solar power-based water purification system using PCM to produce clean drinking water in flood-affected areas or remote areas where potable water is difficult to obtain is proposed. The purification system available is not easy to get for poor people. So we are using a different technique for water purification system is Thermosyphon solar distillation technique, which is very cheap and convenient. These Thermosyphon purification system is a modification of conventional solar still but the efficiency achieved is much higher then the conventional solar still.

Published by: Kartik Balkrishna Patil, Shrikant Tarinicharan Patro, Siddhart Sunil Patil, Aditya Vishnu Phadke, Akhtarhusen Momin

Author: Kartik Balkrishna Patil

Paper ID: V7I3-1360

Paper Status: published

Published: May 19, 2021

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Review Paper

A comparative study and classification on different underwater image enhancement techniques

Underwater images play a vital role in marine engineering, marine research etc. These images can be used for control of underwater vehicles, study of corals, fishes and other specious. Underwater images suffer poor visibility and some important details may loss because of scattering and absorption. Obtaining a clear underwater image is very important and it is difficult too. Underwater image enhancement has been an active research topic over many years and several techniques has been proposed. This paper introduces a study on various techniques used to enhance the underwater images and classified the techniques into four categories.

Published by: Swathy N.

Author: Swathy N.

Paper ID: V7I3-1358

Paper Status: published

Published: May 19, 2021

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