• • 15 years of teaching and 4 years of research experience 

• PhD (Sensors and Instrumentation), IIT Madras

• M. E. (Electronics and Control), SIST, Chennai)

• B. E. (EEE), ACCET, MK University 

1. Delivered a guest lecture on " Recent Trends in Transducers" in Geethanjali College of Engineering  

Assistant Professor

H 226, Department of Electrical and Electronics Engineering 

BITS Pilani, Hyderabad Campus,

Jawahar Nagar, Shameerpet Mandal,

Hyderabad-500078, AndhraPradesh.

Email: ponnalagu@hyderabad.bits-pilani.ac.in

Phone: 040 66303 582, +919442042644

Journal Publications

1.  A Pal, M B Kulkarni, H Gupta, R N Ponnalagu, S K Dubey, S Goel, "Portable and Autonomous Device for Real-  time Colorimetric Detection: Validation for Phosphorous and Nitrite Detection", Sensors and Actuators: A. Physical (Accepted for publication in June 2021). IF: 2.904

2. S K Ghosh, Ashirwad ray, R K Tripathy and R N Ponnalagu, "A Transform Domain Approach for the Compression of Fetal Phonocardiogram Signal", IEEE Sensors Letters, vol.5 no.5, DOI: 10.1109/LSENS.2021.3074985, May 2021 (Scopus/SCI Indexed)

3. Samit Kumar Ghosh, R N Ponnalagu, Rajesh Kumar Tripathy and U Rajendra Acharya, “Deep Layer Kernel Sparse Representation Network for the Detection of Heart Valve Ailments from the Time – Frequency Representation of PCG recordings in Biomed Research International Journal, Hindawi publishers. 

4. Samit Kumar Ghosh, RN Ponnalagu, RK Tripathy, U Rajendra Acharya, “Automated detection of heart valve diseases using chirplet transform and multiclass composite classifier with PCG signals” in Computers in Biology and Medicine, Elsevier,Vol. 18, March 2020, https://doi.org/10.1016/j.compbiomed.2020.103632

5.  SK Ghosh, RK Tripathy, R N Ponnalagu, RB Pachori " Automated Detection of Heart Valve Disorders                  from PCG Signal USing Time- Frequency magnitude and Phase Features", IEEE Sensors Letters, vol. 3,                  no.12, Dec 2019.

6.   Ponnalagu R. N., B. George, “An improved direct digital converter for bridge connected  resistive sensors,” and V. J. KumarIEEE Sensors J. vol.16, no. 10, May 2016, pp. 3679-3687.

7.  Ponnalagu R. N., B. George and V. J. Kumar, “A Linearizing Digitizer for Wheatstone Bridge Based Signal Conditioning of Resistive Sensors,” IEEE Sensors J. vol.17, no. 6, March 2017, pp. 1696-1705.

8.  Ponnalagu R. N., B. George and V. J. Kumar, “Improved Single Element Resistive Sensor to Microcontroller Interface,” IEEE Trans. Instrum. Meas., vol. 66, no. 10, Oct 2017, pp. 2736 -2744.

Conference Papers

1.  P Saraf and R N Ponnalagu, "Modeling and Simulation of a Point to Point Spherical Articulated Manipulator using Optimal Control" in the proceedings of 7th International Conference on Automation, Robotics and Applications (ICARA), Prague, Czech Republic, Feb 2021

2. Samit Kumar Ghosh, Rajesh Kumar Tripathy, R N Ponnalagu, Evaluation of Performance Metrics and Denoising of PCG Signal using Wavelet Based Decomposition” in the proceedings of the 17th India Council International Conference, INDICON 2020, December 11-13, 2020, Delhi, India.

3. Prateek Grover, Yuvraj Singh Malhi, R N Ponnalagu, “A Comparative Study on Industrial Multiphase Flow Measurement Techniques” in the proceedings of the 8th International and 47th National Conference on Fluid Mechanics and Fluid Power (FMFP), Deecmber 9-11, 2020, IIT Guwahati, India.

4.  C S Durganjali, S Radhika, R N Ponnalagu, S Goel, "Modelling of 3d solar cell with finite volume discretization" Poster presentation – PVSEC-30 & GPVC 2020 Hybrid Conference, Proceedings p.769, Jeju, Korea, November  2020 

5.   Sudipta Ranjan Subudhi, Ponnalagu R N, “An Intelligent Shopping Cart with Automatic Product Detection and Secure Payment System”, in the proceedings of the IEEE 16th India Council International Conference (INDICON), 13-15 December 2019, pp.1-4, Gujarat, India.

6.  Samit Kumar Ghosh, R N Ponnalagu, “A Novel Algorithm based on Stockwell Transform for Boundary Detection and Segmentation of Heart Sound Components from PCG signal”, in the proceedings of the IEEE 16th India Council International Conference (INDICON), 13-15 December 2019, Gujarat, India.

7.  A. Joshi, A Tripathi, Ponnalagu R N, “Modelling and Design of a Hybrid Aerial Vehicle Combining VTOL Capabilities with Fixed Wing Aircraft", in the proceedings of the 6th International conference on Instrumentation, Control, and Automation (ICA), 31 July to 2 Aug 2019, Indonesia, pp. 47-51.

8.   R. N. Ponnalagu, R. Anupama, S. L. Anirudra, Estimation of  respiratory and cardiac rates using GMR           sensor”, in Proc. 2nd International Conference (ICPERES 2K18), Chennai, India, Apr 4-5, 2018, pp. 23.

9.  V. Parthasarathy, M. Krithik, K. V. Pragadeesh, R. N. Ponnalagu, “Patients Life Support Equipment Monitoring and Emergency Alert System,” in Proc. Second International Conference (ICPERES 2K18), Chennai, India, April 4-5, 2018, pp. 67. 

10.  Ponnalagu R. N., B. George and V. J. Kumar,“A Modified Direct Digital Converter for Resistive Sensors in Bridge Form,” in Proc. Annual IEEE India Conference (INDICON), Pune, India, Dec 11-13, 2014, pp. 1-6 

11.  Ponnalagu R. N., B. George, and V. J. Kumar,“A Microcontroller Sensor Interface Suitable for Resistive Sensors with Large Lead Resistance,” in Proc. International Conference on Sensing Technology (ICST), Liverpool, UK, Sep 2-4, 2014, pp. 327-331. 

12.  Ponnalagu R. N., B. George and V. J. Kumar, “Dual Slope Direct Digital Converter for Bridge Connected Resistive Sensors,” in Proc. International Conference on Sensing Technology (ICST), Liverpool, UK, Sep 2- 4, 2014, pp. 362-366.

13.   Ponnalagu R. N., B. George and V. J. Kumar, “A Direct Digital Converter for Resistive Sensor Elements in Bridge Configuration,” in Proc. IEEE ICST, Wellington, New Zealand, Dec, 2013, pp. 516-519

Book Chapters

1. S K Ghosh, R K Tripathy and R. N. Ponnalagu, "A Study on Time-Frequency Analysis of Phonocardiogram Signals", a chapter in the book titled "Microelectronics and Signal Processing: Advanced Concepts and Applications", pp. 189-202, (Taylor & Francis), Early Acess (2021).  

2. C S Durganjali, S Radhika, R N Ponnalagu and S Goel, "A Study on the Performance of Solar Photovoltaic Systems in the Underwater Environment", a chapter in the book titled "Microelectronics and Signal Processing: Advanced Concepts and Applications", pp. 203-226, (Taylor & Francis), Early Acess (2021). 

3. S K Ghosh, R N Ponnalagu and R K Tripathy, “Heart Sound Data Acquisition and Preprocessing Techniques: A Review, in “Handbook of Research on Advancements of Artificial Intelligence in Healthcare Engineering”, Chapter 14, pg. 244-264, IGI Global, DOI: 10.4018/978-1-7998-2120-5.ch014

1. DST SERB Power grant for the project titled"“IoT and ML enabled Multiplexed Fully Integrated Portable Platform for Onsite Measurement of Water Quality Indicators" Dr. R. N. Ponnalagu (PI)-  Ongoing 

2. DST funded project entitled “Fully Integrated Smartphone and IoT enabled Microfluidic Sensor for Real-time Quantification of Soil Macro nutrients,Conductivity and pH”,  Dr. Satish K. Dubey (PI), Prof. Sanket Goel ( Co-PI) and Dr. R. N. Ponnalagu ( Co-PI) - Ongoing

3. RIG project "Design and development of an instrumentation system to measure dynamic signals" - Ongoing