Dr. Prashanth Vooka

Assistant Professor

Areas of Interest

• Development of Sensor Interfaces
• Analog-to-Digital Converters
• Measurements, and Instrumentation

Education

• Ph.D, Indian Institute of Technology, Madras, India

Latest Publications

• A. S. K. Bandi and P. Vooka (2023) “A Noninvasive Current Measurement Technique Using Magnetic Sensors for Concealed Conductors,” in IEEE Transactions on Instrumentation and Measurement, vol. 72, pp. 1-11, 2023.
• P. Makireddy and P. Vooka (2023) “A Comparison-Based Interface Circuit for Detection of Motion Direction of Humans Using Capacitive Sensor,” in IEEE Sensors Journal, vol. 23, no. 23, pp. 29063-29072, 1 Dec.1, 2023.
• N. George, P. Vooka, A. S. K. Bandi, and S. Gopalakrishna (2021) “A novel dual slope conversion technique for measurement of ratio and phase errors of current transformer using comparison method of testing,” Measurement: Journal of the International Measurement Confederation, vol. 179, 2021.
• P. Vooka and B. George (2016) “Capacitance-to-digital converter for leaky capacitive sensors,” Electronics Letters, vol. 52, no. 6, pp. 456–458, 2016.
• P. Vooka and B. George (2015) “A Direct Digital Readout Circuit for Impedance Sensors,” IEEE Transactions on Instrumentation and Measurement, vol. 64, no. 4, pp. 902–912, 2015.
• P. Vooka and B. George (2015) “An improved capacitance-to-digital converter for leaky capacitive sensors,” IEEE Sensors Journal, vol. 15, no. 11, pp. 6238–6247, 2015.
• P. Vooka and B. George (2014) “A capacitance-to-digital converter with sinusoidal excitation suitable for series RC sensors,” International Journal on Smart Sensing and Intelligent Systems, vol. 7, no. 5, pp. 1–5, 2014.
• P. Vooka and B. George (2014) “A method for improving conversion rate and accuracy of a capacitance-to-digital converter,” International Journal on Smart Sensing and Intelligent Systems, vol. 7, no. 5, pp. 1–6, 2014.

Conferences

• A. S. Kartheek Bandi and P. Vooka (2024) “A Simplified Tilt-Resilient Probe Design for Noninvasive Current Measurement Using Magnetic Sensors,” 2024 IEEE International Instrumentation and Measurement Technology Conference (I2MTC), Glasgow, United Kingdom, 2024, pp. 1-6.
• V. Gupta and P. Vooka (2024) “Simplified Phase-sensitive Rectifier-based Resistance Measurement Circuit for Cost-effective Structural Damage Detection using Electro-Mechanical Impedance Method,” 2024 IEEE International Instrumentation and Measurement Technology Conference (I2MTC), Glasgow, United Kingdom, 2024, pp. 1-6.
• V. Gupta and P. Vooka (2023) “An Analog Interface Circuit for Damage Assessment of Structures using Electro-Mechanical Impedance Method,” 2023 16th International Conference on Sensing Technology (ICST), HYDERABAD, India, 2023, pp. 1-6.
• A. S. Kartheek Bandi and P. Vookaa (2022) “A new measurement technique to determine the Amplitude and Phase shift of a sinusoidal voltage signal using a charge balanced digitizer,” 2022 IEEE International Instrumentation and Measurement Technology Conference (I2MTC), Ottawa, ON, Canada, 2022, pp. 1-6.
• P. Makireddy and P. Vooka (2022) “A three-electrode capacitive based sensing system to determine the direction of motion of humans,” 2022 IEEE Sensors Applications Symposium, SAS 2022 - Proceedings, 2022.
• N. George, P. Vooka, and S. Gopalakrishna (2018) “An Efficient Digitizer for Calibration of Instrument Transformers,” in 2018 IEEE 9th International Workshop on Applied Measurements for Power Systems (AMPS), Bologna, Sep. 2018, pp. 1–6.
• P. Vooka, A. Ranjan, and B. George (2013) “A novel capacitance-to-digital converter for capacitive sensors with AC excitation,” 19th IMEKO TC4 Symposium - Measurements of Electrical Quantities 2013 and 17th International Workshop on ADC and DAC Modelling and Testing, pp. 246–249, 2013.