International Conference:
[1] Narayanan P. P., and Sreenath Vijayakumar. "A Novel Single-Element Inductance-to-Digital Converter with Automatic Offset Eliminator." 2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC). IEEE, 2021
[2] P. Sebastian, Narayanan P. P. and S. Vijayakumar, "A Switched-Capacitor CVC and CFC for Capacitive Sensors Representable using π-Model," 2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC), 2021
[3] Narayanan P. P., and Sreenath Vijayakumar, "An Efficient Inductance-to-Digital Converter Insensitive to Coil Resistance of Differential Type Inductive Sensors",Fifteenth International Conference on Sensing Technology (ICST) 2022.
[4] Narayanan P. P., and Sreenath Vijayakumar, "A Novel Relaxation Oscillator based Single-Element Type Inductance-to-Time Converter", Fifteenth International Conference on Sensing Technology (ICST) 2022.
[5] Narayanan P.P., Srikar Emany, A.S. Anil Kumar, Jeshma Thalapil Vaheeda and, Sreenath Vijayakumar, “An Inductive Sensor for Independent Estimation of the Level and Inclination of Enclosed Liquids”, 17th International Conference on Sensing Technology (ICST), Macquarie University Wallumattagal campus, Sydney, Australia, Dec. 2024. [Accepted for publication].
Journals:
[1] P. P. Narayanan and S. Vijayakumar, "An Enhanced Inductance-to-Digital Converter for Single-element and Differential-type Inductive Sensors with Automatic Offset Eliminator," in IEEE Transactions on Instrumentation and Measurement, 2023.
[2] Narayanan P. P. and S. Vijayakumar, "A Novel Capacitance-to-Time Converter for Differential-Type Capacitive Sensor Insensitive to Offset Mismatch and Parasitic Capacitance," in IEEE Sensors Letters, vol. 7, no. 10, pp. 1-4, Oct. 2023, Art no. 5502904
[3] Pinku Sebastian, Narayanan P. P and V. Sreenath, "An Improved Switched Capacitor CFC for Capacitive Sensors Representable using π-model with Automatic Offset Elimination," IEEE Transactions on Instrumentation and Measurement, vol. 73, pp. 1-9, 2024.
[4] Anil Kumar AS, Narayanan P. P, Jeshma Thalapil Vaheeda, V. Sreenath, "A Variable Reluctance-Based Planar Dual-Coil Angle Sensor With Enhanced Linearity," in IEEE Transactions on Instrumentation and Measurement, vol. 73, pp. 1-8, 2024, Art no. 9519808.
[5] Narayanan P. P. and Sreenath Vijayakumar, "A Novel Multipurpose Fuel Sensor for Efficient Estimation of Fuel-Level, Dual-axis Inclination and Two-component Fuel Composition,” in IEEE Sensors Journal, vol. 25, no. 7, pp. 12109-12118, 1 April1, 2025.
[6] Narayanan P. P. and Sreenath Vijayakumar,“Robust Capacitance-to-PWM Converter with Enhanced Zoom-in Capabilities for Single and Differential Capacitive Sensors”, in IEEE Transactions on Instrumentation and Measurement, vol. 74, pp. 1-10, 2025, Art no. 2006310.
Patents:
[1] Narayanan P. P. and Sreenath Vijayakumar, "A novel capacitive sensing system for efficient estimation of fuel-level, inclination, and two-component fluid composition", Indian Patent: 202441057491.
[2] Narayanan P. P., Sreenath Vijayakumar, Anil Kumar A S, Jeshma Thalapil Vaheeda" Planar Dual Coil Angle Sensor based on Variable Reluctance Sensing Mechanism", Indian Patent: 202441053009.
[3] Narayanan P. P., V. S. S. Srikar Emany, Sreenath Vijayakumar, Anil Kumar A S and Jeshma Thalapil Vaheeda, ”An Inductive Sensor-System for Efficient Estimation of Liquid Level and Dual-axis Inclination”,Indian Patent: 202541009147.
[4] Narayanan P. P., Sreenath Vijayakumar, and V. Sreehari, ”Triangular waveform based LCR-to-PWM converter for high-resolution sensing with automatic offset elimination and range enhancement”,Indian Patent: 202541029320.
