Back close
Admissions

Rayappa David Amar Raj

Assistant Professor , Department of Artificial Intelligence , School of Artificial Intelligence ,Coimbatore

Qualification: PhD, M.Tech
rd_amarraj@cb.amrita.edu
Google Scholar Profile
Research Interest: AI applications in Smart Electrical Systems, Solar PV systems, Machine learning and Lightweight Deep Learning Models, Cybersecurity in Smart Grids

Bio Publications Experience Conferences Miscellaneous
Bio

Rayappa David Amar Raj has submitted his Ph.D. thesis in Electrical Engineering at NIT Warangal, specializing in solar power optimization and edge-AI-based fault analytics. He holds an M.Tech in Power Systems Engineering from NIT Agartala and a B.Tech in Electrical & Electronics Engineering from Pondicherry Engineering College. His research focuses on AI applications in smart electrical systems, solar PV fault detection, lightweight deep learning, and smart grid cybersecurity, with contributions spanning advanced areas like federated learning, XAI, reinforcement learning, and quantum AI. He has published 18+ SCI-indexed journal articles in reputed journals such as IEEE, ASME Transactions, Elsevier, Wiley, Taylor & Francis, and acts as a reviewer in top-tier journals including IEEE and Elsevier. He received the Best Research Journal Award (2024–25) from NITW Alumni Association and had a highly cited article recognized in 2023. He has presented at multiple national forums, organized international conferences, and contributed to book chapters. He has served as Senate Representative for Ph.D. scholars at NIT Warangal during 2023–24 demonstrating both academic excellence and leadership in various activates.

Publications

Conference Paper

Year : 2025

A Neural Framework For Handwritten Calendar Parsing and Semantic Content Categorization

Cite this Research Publication : A Neural Framework For Handwritten Calendar Parsing and Semantic Content Categorization., 2025. A Neural Framework For Handwritten Calendar Parsing and Semantic Content Categorization.

Year : 2025

Detection of Sensor Irregularities in Fitness Time Series

Cite this Research Publication : Raj, R.D.A., Dusenbi, B., Naik, K.A. and Sunkaraboina, S., 2025. Detection of Sensor Irregularities in Fitness Time Series.

Year : 2022

Solar Tracking Technology to Harness the Green Energy

Cite this Research Publication :

Year : 2020

Power Quality Analysis, Challenges and Feasible Solutions of 90 kWp Grid-Integrated PV System

Cite this Research Publication : Thabeti Aditya, Rayappa David Amar Raj, Madhav Ramrao Shinde, Power Quality Analysis, Challenges and Feasible Solutions of 90 kWp Grid-Integrated PV System, 2020 International Conference on Emerging Trends in Information Technology and Engineering (ic-ETITE), IEEE, 2020, https://doi.org/10.1109/ic-etite47903.2020.452

Publisher : IEEE

Year : 2020

Mitigation of Voltage And Current Harmonics In Double-Stage Grid-Connected PV Plant

Cite this Research Publication : Rayappa David Amar Raj, Subhadeep Bhattacharjee, Mitigation of Voltage And Current Harmonics In Double-Stage Grid-Connected PV Plant, 2020 International Conference on Computer, Electrical & Communication Engineering (ICCECE), IEEE, 2020, https://doi.org/10.1109/iccece48148.2020.9223024

Publisher : IEEE

Year : 2020

Short-Circuit Fault Analysis of Three-Phase Grid Integrated Photovoltaic Power System

Cite this Research Publication : Rayappa David Amar Raj, Subhadeep Bhattacharjee, Short-Circuit Fault Analysis of Three-Phase Grid Integrated Photovoltaic Power System, 2020 International Conference on Power Electronics & IoT Applications in Renewable Energy and its Control (PARC), IEEE, 2020, https://doi.org/10.1109/parc49193.2020.236598

Publisher : IEEE

Year : 2020

Electrical Reconfiguration Technique for Partially Shaded PV Arrays with Minimal Interconnections

Cite this Research Publication : Rayappa David Amar Raj, Subhadeep Bhattacharjee, Manoj Biswas, Electrical Reconfiguration Technique for Partially Shaded PV Arrays with Minimal Interconnections, 2020 International Conference on Power Electronics & IoT Applications in Renewable Energy and its Control (PARC), IEEE, 2020, https://doi.org/10.1109/parc49193.2020.236564

Publisher : IEEE

Year : 2019

Performance Analysis of 100 kWp Double-Stage Three-Phase Grid Connected Solar Photovoltaic Power Plant

Cite this Research Publication : Rayappa David Amar Raj, S. Bhattacharjee, “Performance Analysis of 100 kWp Double-Stage Three-Phase Grid Connected Solar Photovoltaic Power Plant ”, “100th IEI International Conference on Water, Energy and Biodiversity for Sustainable Development of BIMSTEC Countries”, December 12 – 14, 2019; Agartala, Tripura, India.

Journal Article

Year : 2025

Aerial Autonomy Under Adversity: Advances in Obstacle and Aircraft Detection Techniques for Unmanned Aerial Vehicles

Cite this Research Publication : Cristian Randieri, Sai Venkata Ganesh, Rayappa David Amar Raj, Rama Muni Reddy Yanamala, Archana Pallakonda, Christian Napoli, Aerial Autonomy Under Adversity: Advances in Obstacle and Aircraft Detection Techniques for Unmanned Aerial Vehicles, Drones, MDPI AG, 2025, https://doi.org/10.3390/drones9080549

Publisher : MDPI AG

Year : 2025

FPGA-Accelerated Sparse Subset Segmentation Using ADMM for High-Resolution Imagery

Cite this Research Publication : Rupali Karthikeyan, Deep Amit Lodaya, Rama Muni Reddy Yanamala, Rayappa David Amar Raj, K. Krishna Prakasha, T. Subeesh, V. Anandkumar, Archana Pallakonda, FPGA-Accelerated Sparse Subset Segmentation Using ADMM for High-Resolution Imagery, IEEE Access, Institute of Electrical and Electronics Engineers (IEEE), 2025, https://doi.org/10.1109/access.2025.3590167

Publisher : Institute of Electrical and Electronics Engineers (IEEE)

Year : 2025

Flight-Safe Inference: SVD-Compressed LSTM Acceleration for Real-Time UAV Engine Monitoring Using Custom FPGA Hardware Architecture

Cite this Research Publication : Sreevalliputhuru Siri Priya, Penneru Shaswathi Sanjana, Rama Muni Reddy Yanamala, Rayappa David Amar Raj, Archana Pallakonda, Christian Napoli, Cristian Randieri, Flight-Safe Inference: SVD-Compressed LSTM Acceleration for Real-Time UAV Engine Monitoring Using Custom FPGA Hardware Architecture, Drones, MDPI AG, 2025, https://doi.org/10.3390/drones9070494

Publisher : MDPI AG

Year : 2025

Smart Grid Intrusion Detection for IEC 60870-5-104 With Feature Optimization, Privacy Protection, and Honeypot-Firewall Integration

Cite this Research Publication : Pedamallu Sai Mrudula, Rayappa David Amar Raj, Archana Pallakonda, Yanamala Rama Muni Reddy, K. Krishna Prakasha, V. Anandkumar, Smart Grid Intrusion Detection for IEC 60870-5-104 With Feature Optimization, Privacy Protection, and Honeypot-Firewall Integration, IEEE Access, Institute of Electrical and Electronics Engineers (IEEE), 2025, https://doi.org/10.1109/access.2025.3590151

Publisher : Institute of Electrical and Electronics Engineers (IEEE)

Year : 2025

Pruned and Low-Rank Optimized Tiny Residual Architecture for Solar PV Fault Classification on Edge TPU

Cite this Research Publication : R. M. Reddy, A. Pallakonda, Rayappa David Amar Raj, “Pruned and Low-Rank Optimized Tiny Residual Architecture for Solar PV Fault Classification on Edge TPU,” ASME Transactions, Journal of Energy Resources Technology

Publisher : ASME

Year : 2025

YOLOv8n-GBE: A Hybrid YOLOv8n Model With Ghost Convolutions and BiFPN-ECA Attention for Solar PV Defect Localization

Cite this Research Publication : Likitha Reddy Yeddula, Archana Pallakonda, Rayappa David Amar Raj, Rama Muni Reddy Yanamala, K. Krishna Prakasha, Mallempati Sunil Kumar, YOLOv8n-GBE: A Hybrid YOLOv8n Model With Ghost Convolutions and BiFPN-ECA Attention for Solar PV Defect Localization, IEEE Access, Institute of Electrical and Electronics Engineers (IEEE), 2025, https://doi.org/10.1109/access.2025.3584249

Publisher : Institute of Electrical and Electronics Engineers (IEEE)

Year : 2025

DCGAN-Driven Minority Class Augmentation for Lightweight YOLO-Based Photovoltaic Defect Localization Suitable for Edge Deployment

Cite this Research Publication : Nakka Saampotth Maddileti, Rupesh Namburi, Rayappa David Amar Raj, Rama Muni Reddy Yanamala, Archana Pallakonda, DCGAN-Driven Minority Class Augmentation for Lightweight YOLO-Based Photovoltaic Defect Localization Suitable for Edge Deployment, IEEE Transactions on Device and Materials Reliability, Institute of Electrical and Electronics Engineers (IEEE), 2025, https://doi.org/10.1109/tdmr.2025.3592416

Publisher : Institute of Electrical and Electronics Engineers (IEEE)

Year : 2024

Enhancement of photovoltaic array characteristics and global maximum power using Padovan transform‐based image encryption strategy

Cite this Research Publication : Kanasottu Anil Naik, Rayappa David Amar Raj, Thanikanti Sudhakar Babu, Belqasem Aljafari, Enhancement of photovoltaic array characteristics and global maximum power using Padovan transform‐based image encryption strategy, International Journal of Circuit Theory and Applications, Wiley, 2024, https://doi.org/10.1002/cta.3914

Publisher : Wiley

Year : 2023

Novel Shade Dispersion Techniques for Reconfiguration of Partially Shaded Photovoltaic Arrays

Cite this Research Publication : Rayappa David Amar Raj, Kanasottu Anil Naik, Novel Shade Dispersion Techniques for Reconfiguration of Partially Shaded Photovoltaic Arrays, Smart Grids and Sustainable Energy, Springer Science and Business Media LLC, 2023, https://doi.org/10.1007/s40866-023-00163-4

Publisher : Springer Science and Business Media LLC

Year : 2023

A novel hybrid image processing‐based reconfiguration with RBF neural network MPPT approach for improving global maximum power and effective tracking of PV system

Cite this Research Publication : Chepuri Venkateswara Rao, Rayappa David Amar Raj, Kanasottu Anil Naik, A novel hybrid image processing‐based reconfiguration with RBF neural network MPPT approach for improving global maximum power and effective tracking of PV system, International Journal of Circuit Theory and Applications, Wiley, 2023, https://doi.org/10.1002/cta.3629

Publisher : Wiley

Year : 2023

A Fast-Converging Radial Basis Function Neural Network-Based MPPT Controller for Static and Dynamic Variations in Solar Irradiation

Cite this Research Publication : Chepuri Venkateswararao, Kanasottu Anil Naik, A Fast-Converging Radial Basis Function Neural Network-Based MPPT Controller for Static and Dynamic Variations in Solar Irradiation, 2023 International Conference on Computer, Electrical & Communication Engineering (ICCECE), IEEE, 2023, https://doi.org/10.1109/iccece51049.2023.10085281

Publisher : IEEE

Year : 2023

Solar Array Optimization Using Cryptographic Fibonacci Transformation for Global Power Enhancement and Ease of MPPT Controllers

Cite this Research Publication : Rayappa David Amar Raj, Kanasottu Anil Naik, Solar Array Optimization Using Cryptographic Fibonacci Transformation for Global Power Enhancement and Ease of MPPT Controllers, Energy Technology, Wiley, 2023, https://doi.org/10.1002/ente.202300380

Publisher : Wiley

Year : 2023

Priority queue-based switching matrix algorithm for adaptive neuro-fuzzy inference system assisted MPPT controlled PV system

Cite this Research Publication : Rayappa David Amar Raj, Kanasottu Anil Naik, Priority queue-based switching matrix algorithm for adaptive neuro-fuzzy inference system assisted MPPT controlled PV system, Energy Conversion and Management, Elsevier BV, 2023, https://doi.org/10.1016/j.enconman.2023.117519

Publisher : Elsevier BV

Year : 2022

A Generalized Henon Map-Based Solar PV Array Reconfiguration Technique for Power Augmentation and Mismatch Mitigation

Cite this Research Publication : Rayappa David Amar Raj, Kanasottu Anil Naik, A Generalized Henon Map-Based Solar PV Array Reconfiguration Technique for Power Augmentation and Mismatch Mitigation, IETE Journal of Research, Informa UK Limited, 2022, https://doi.org/10.1080/03772063.2022.2055660

Publisher : Informa UK Limited

Year : 2022

An image encryption concept based solar photovoltaic array reconfiguration techniques for mismatch mitigation

Cite this Research Publication : Rayappa David Amar Raj, Kanasottu Anil Naik, An image encryption concept based solar photovoltaic array reconfiguration techniques for mismatch mitigation, Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, Informa UK Limited, 2022, https://doi.org/10.1080/15567036.2022.2052383

Publisher : Informa UK Limited

Year : 2022

Generalized cryptographic image processing approaches using integer-series transformation for solar power optimization under partial shading

Cite this Research Publication : Kanasottu Anil Naik, Rayappa David Amar Raj, Chepuri Venkateswara Rao, Thanikanti Sudhakar Babu, Generalized cryptographic image processing approaches using integer-series transformation for solar power optimization under partial shading, Energy Conversion and Management, Elsevier BV, 2022, https://doi.org/10.1016/j.enconman.2022.116376

Publisher : Elsevier BV

Experience
  • Post-doctoral Experience
  • Post-doctoral Scholar
  • Institute Post-doctoral Fellow
  • PhD (Year):National Institute of Technology, Warangal (2021-2025)
      Specialization: Electrical Engineering
    Thesis title: Solar Power Optimization and Deep Learning-based Multi-Modal Fault Analytics
  •   M.Tech (Year): National Institute of Technology, Agartala (2018-2020)
    Specialization: Power Systems Engineering
    Thesis title: A Comprehensive Fault Assessment of Double Stage Three-Phase Grid Integrated Solar PV System
Conferences
  • Organized the International Conference on Sustainable Power and Energy Research, conducted by NIT Warangal in association with Grid Controller of India Limited, held from 1st to 3rd March 2024.
Miscellaneous

International Journals

  • IEEE Transactions on Instrumentation and Measurement
  • IEEE Transactions on Industrial Informatics
  • Journal of cleaner production
  • Solar Energy
  • Artificial Intelligence Review
  • International Journal of Circuit Theory and Applications
  • Electrical Engineering
Admissions Apply Now