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“Research is a passion. We must lay a strong foundation of basic research to further develop, grow and produce a high-quality research output. Focus on translational research as it is the way forward for an innovative world,” said Prof. Rajeev Ahuja, Chief Guest of the 8th Research Day, while addressing the research community of SRM University-AP.

The university hosted the 8th Research Day on April 26, 2024, in the august presence of Chief Guest Prof. Rajeev Ahuja, Director-IIT Ropar and Officiating Director-IIT Guwahati, Guest of Honour Prof. Amlan Chakrabarti, Director–A. K. Choudhury School of Information Technology, University of Calcutta; Vice Chancellor Prof. Manoj K Arora, Registrar Dr R Premkumar, Dean-Research Prof. Ranjit Thapa, Deans of all schools, faculty, research scholars and students. “Research Day at SRM AP is the celebration of our students’ innovative thought and applauding them in their developing research acumen”, remarked Prof. Arora in his welcome address. He encouraged students to take their research to the next level and become entrepreneurs who will transform the Indian market and economy.

Prof. Amlan Chakrabarti, the designated guest of honour for the day, tremendously appreciated the efforts put forth by the SRM AP in propelling a research-centric education. He remarked that research is the pursuit of thought and the product of innovation. Prof. Chakrabarti also delivered distinguished lectures on the intriguing realm of quantum machine learning and exploring generative AI, shedding light on the latest advancements and potential applications in both fields.

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The 8th Research Day was commemorated to celebrate research and innovation in the emerging fields of science, technology, humanities, social sciences, management and commerce. 350+ research abstracts were submitted by undergraduate/postgraduate students and research scholars from across the country, which were culminated and unveiled as an Abstract Book. Selected papers were presented, and medals were awarded to the winners. The paper presentation witnessed 27 participants bagging gold medals and 7 participants securing silver medals. Five esteemed faculty of the university, Dr K M Divya Chaturvedi, Dr Mahesh Kumar Ravva, Prof. G S Vinod Kumar, Dr Ghanshyam Pandey and Dr Ramanjeya Reddy Udumula, were awarded prestigious awards for their stellar contributions and ingenious inventions in their respective domains.

The dignified guests of the events were presented with mementos as a token of gratitude by the university leaders, Dean-Research Prof. Ranjit Thapa and Convenor of the 8th Research Day, Dr Pradyut Kumar Sanki, Associate Professor, Department of Electronics and Communication Engineering. Dr R Premkumar delivered the Vote of Thanks, concluding the spectacular event.

Ranked Third among all private universities in India for two consecutive years according to Nature Index Ranking, SRM University-AP has a total of 2040+ research publications, 200 published patents, 24 granted patents, 43 Nature Index publications and a total outlay of Rs. 37+ crores in projects. The research environment is anchored by Eight Interdisciplinary Research Centres of Excellence. Research Day is a testament to the varsity’s commitment to building a strong research culture and research capacity among the faculty and students across different domains.

It is with great pleasure that we announce the publication of a research paper titled “Self-Learning Controller Design for DC-DC Power Converters with Enhanced Dynamic Performance,” jointly authored by Dr Tousif Khan N, Associate Professor, Department of Electrical and Electronics Engineering, and Dr Ramanjaneya Reddy & Dr Arghya Chakravarty, Assistant Professors, Department of Electrical and Electronics Engineering. The research paper introduces a novel self-learning control for precise output voltage tracking in DC-DC buck power converters.

Abstract:

This article introduces a self-learning robust control approach for accurate output voltage tracking in DC-DC buck power converters, focusing on scenarios with high precision requirements and significant load uncertainties. The method employs a simple online neural network to swiftly estimate unexpected load changes and disturbances across a wide range. Operating within a backstepping framework, the controller utilises neural network-learned uncertainties to enhance stability and improve dynamic and steady-state performance of both output voltage and inductor current. Extensive numerical simulations and practical experiments on a laboratory prototype demonstrate substantial enhancements in dynamic performance with a 94% reduction in settling time and precise steady-state tracking. The reliability of the proposed controller is further supported by the consistency between computational and experimental outcomes, showcasing its potential for real-world applications.

Practical implementations:

The proposed controller can be implemented/used for robotics applications, industrial processes, and medical equipment where precise control is needed.

Future research plans:

The following are the potential future directions of the proposed work;

(i) Design and development of the proposed self-learning neural network-based control for DC-DC buck converter systems with real-time DC sources, such as solar PV and fuel cells, experiencing highly intermittent input voltage changes.

(ii) Incorporating inductor current constraints and output voltage limitations into the proposed controller would also be an avenue worth exploring.

We congratulate the professors for their valuable contribution and look forward to future breakthroughs in this area.

 

Dr Tousif Khan research

Supen sahIn a significant advancement in the field of material engineering, Dr Supen Kumar Sah, an esteemed Assistant Professor from the Department of Mechanical Engineering, has published a groundbreaking research paper.

The study, titled “Effect of Bi-Directional Material Gradation on Thermo-Mechanical Bending Response of Metal Ceramic FGM Sandwich Plates Using Inverse Trigonometric Shear Deformation Theory,” appears in the prestigious International Journal of Structural Integrity.

Dr Sah’s research provides new insights into the behaviour of Functionally Graded Materials (FGMs) under thermal and mechanical loads, which is crucial for the design of advanced engineering structures. His work employs an innovative inverse trigonometric shear deformation theory to analyse the bending response of metal-ceramic FGM sandwich plates, offering a more accurate prediction of their performance in real-world applications.

This publication not only highlights the cutting-edge research being conducted at SRM University but also positions Dr Sah as a leading figure in the application of FGMs in structural engineering. The findings from this paper have the potential to influence the design and optimization of materials used in various industries, from aerospace to automotive.

Abstract

The purpose of this study is to investigate the bending analysis of metal (Ti-6Al-4V) ceramic (ZrO_2) functionally graded material (FGM) sandwich plate having material property gradation along length and thickness direction under thermo-mechanical loading using inverse trigonometric shear deformation theory (ITSDT). Mechanical and thermal properties of BDFGM sandwich plates are considered temperature-dependent in the present study. Analytical solution for bending analysis of FGM plate has been carried out using Hamilton’s principle and Navier’s solution.

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The present study shows that centre deflection, normal stress, and shear stress are significantly influenced by temperature-dependent material properties, bi-directional gradation exponents’ geometrical parameters, sandwich plate layer thickness, etc.

Title of the Research Paper in the Citation Format

Sah, S. K., Ghosh, A. (2024). Effect of Bi-Directional Material Gradation on Thermo-Mechanical Bending Response of Metal Ceramic FGM Sandwich Plates Using Inverse Trigonometric Shear Deformation Theory. International Journal Structural Integrity. DOI: 10.1108/IJSI-02-2024-0016

Collaborations

Prof Anup Ghosh, Indian Institute of Technology Kharagpur, India

Future Research Plans

Modelling and Analysis of porous uni and multi-directional Functionally Graded Material (FGM) plates to obtain the impact of porosity distributions over structural responses.

Analytical & Finite Element Solution for static and dynamic response of FGM sandwich plates employing non-polynomial shear deformation theories under elastic foundation.

 

It is a matter of immense pleasure for the Department of Electronics and Communication Engineering to announce the publication of Dr Duga Prakash, Associate Professor at SRM University-AP. His research paper titled “Analysis of GAA Junctionless NS FET towards Analog and RF Applications at 30 nm Regime”, published in IEEE Open Journal of Nanotechnology, studies how the device can be manufactured with ease and minimal doping, eliminating the need for high-temperature doping processes. The enhanced performance metrics suggest that the device’s potential for faster analog/RF switching circuits paves the way for more efficient analog and RF applications at the 30 nm scale.

Abstract:

A new nanosheet FET is used to generate a quantum model in this research. A Gate-all-around (GAA) Junction-less (JL) nanosheet device with a 1 nm gate dielectric of SiO2 and HfO2 performs according to the standard model. The visual TCAD tool examines ION, IOFF, ION/ IOFF, threshold voltage, DIBL, gain parameters (gm, gd, Av), gate capacitance, and cut-off frequency to evaluate the classical and quantum models of the GAA nanosheet device. Simulation results show that the device’s low gate capacitance of 10–18 makes it suitable for rapid switching applications. Device research reveals a transconductance (gm) value of 21 μS and a remarkable cut-off frequency of 9.03 GHz. Its P-type device response has also been extensively studied. Finally, the inverter model uses the proposed GAA nanosheet device. Despite having larger gate capacitance, the NSFET-based inverter offers the smallest propagation delay helps apply knowledge to real-world situations.

Dr Durga Prakash Research Dr Durga Prakash

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