Sreenath Vijayakumar

About Sreenath Vijayakumar

Research Areas:• Sensors for Agriculture, Automotive, and Industrial Applications• Capacitive, Resistive, Inductive and Piezoelectric Sensors• Signal Conditioning Circuits• Direct-Digitizers• Measurements and Instrumentation• Researcher in the field of sensors and electronic instrumentation, for the past 12+ years, with a special focus on developing high-accuracy interfacing circuits for capacitive and resistive type sensors.• \"Recognition on Emerging Research\" award and Second Prize at the 15th International Conference on Sensing Technology (ICST\'15), held December 5-7, 2022, at Macquarie University in Sydney, Australia.• Winner of Institute Research Award 2018 in recognition of the quality and quantity of research work carried out at IIT Madras.• Secured First Rank (in the department level) and Second Rank (in the institute level) based on the overall research performance carried out as a part of doctoral research at IIT Madras.• Winner of Dr. M. Mukunda Rao Endowment Prize for best Ph.D. Thesis in Electrical Engineering.• Recipient of Pre-Doctoral Fellowship Award for submitting Ph.D-M.S. thesis before 5 years at IIT Madras- equivalent to Institute Post-Doctoral Fellowship.• Research work attracted Best Student Paper Award at the 2016 I2MTC conference held in Taipei, Taiwan. • Winner of Student Award to travel and present the research work at 2015 I2MTC conference held in Pisa, Italy.• Reviewer Sensor journal, Transactions on Instrumentation and Measurement (TIM), Transactions on Industrial Electronics and IET Measurement, Science, Technology Journal.Salient points of the research work carried out are:• Developed Capacitance-to-Digital Converter (CDC) that is easy to interface with the sensor and provide the best dynamic range even when a large offset is present in the sensor. • A novel digitizer which accurately provides the value of the change in capacitance (ΔC) and resistance (ΔR) of a parallel R-C sensor. • Novel readout circuits for interfacing single element capacitive and resistive sensors possessing exceptional insensitivity to the non-ideal circuit parameters and their drift. • Realized a Capacitance-to-Frequency Converter (CFC) with a higher update rate compared to the existing integrating type CDCs. The developed CFC achieves the best accuracy and linearity performance among the prior CFC topologies.

Experience

1. Co-founder

   Revin Krishi

   Oct 2023 — Present · Palakkad, IN

   RevinKrishi develops affordable and easy-to-use agricultural technological solutions based on AI, Sensors and IoT.

Education

• Amrita University, Amritapuri Campus

  Bachelor of Technology - BTech

  2009 — 2013

• Indian Institute of Technology, Madras

  Doctor of Philosophy - PhD, Sensors and Signal Conditioning Circuits

  2013 — 2018

• Indian Institute of Technology, Madras

  Master of Science - MS

  2013 — 2018