Dr. G. Uma
Professor

Publications

Patents

Books Authored

Title of the Book Title of the Chapter Authors Publisher ISBN Year of Publication
Micro and Smart Devices and Systems Electronic Circuits for Piezoelectric Resonant Sensors M.Umapathy, G. Uma and K. Suresh Springer 978-81-322-1912-5 2014

INTERNATIONAL JOURNALS 

  1. Gilbert Chandra D., Vinoth B., Srinivasulu Reddy U., Uma G., Umapathy M., "Recurrent Neural Network based Soft Sensor for flow estimation in Liquid Rocket Engine Injector calibration, Flow Measurement and Instrumentation", Volume 83, 2022, 102105, ISSN 0955-5986, https://doi.org/10.1016/j.flowmeasinst.2021.102105.

  2. Ramya Anandanatarajan, Umapathy Mangalanathan, Uma Gandhi, "Performance enhancement and fault identification using Kalman filter in a resistive temperature sensor interface", Measurement, Volume 183, 2021, 109836, ISSN 0263-2241, https://doi.org/10.1016/j.measurement.2021.109836.

  3. TN Satish, A Vivek, SN Anagha, ANV Rao, G Uma, M Umapathy, U Chandrasekhar, G Kiran, “Novel resistor-capacitor (RC) network-based capacitance signal conditioning circuit for tip clearance measurement on gas turbine engine”, Volume: 234 issue: 2, page(s): 342-360, February 1, 2020. DOI: https://doi.org/10.1177/0954410019865853.

  4. S. Raghavendran, M. Umapathy, G. Uma & L.R. Karlmarx, “Piezoelectric energy harvesting from DC-DC converters”, Ferroelectrics, 558:1, 207-213, 2020.  DOI: 10.1080/00150193.2020.1735904.

  5. V. Raja, M. Umapathy, G. Uma, B. Praveen Kumar, S. Premkumar, Design, analysis and experimental investigation of a rotational piezoelectric energy harvester with storage system, J. Mech. Sci. Technol. 34 (2020) 4475–4487. https://doi.org/10.1007/s12206-020-1008-4.

  6. Geerthy Thambiraj, Uma Gandhi, Umapathy Mangalanathan, V. Jeya Maria Jose, Manjunath Anand, “Investigation on the effect of Womersley number, ECG and PPG features for cuff less blood pressure estimation using machine learning”, Biomedical Signal Processing and Control, Volume 60, July 2020. DOI: https://doi.org/10.1016/j.bspc.2020.101942.

  7. Ramya Anandanatarajan, Umapathy Mangalanathan and Uma Gandhi, "Enhanced Microcontroller Interface of Resistive Sensors Through Resistance-to-Time Converter," in IEEE Transactions on Instrumentation and Measurement, vol. 69, no. 6, pp. 2698-2706, June 2020, doi: 10.1109/TIM.2019.2928348.

  8. Shereen Selvaraj, Uma Gandhi, Umapathy Mangalanathan, Gopalkrishna Hegde “Magnetic Force based Resonant Magnetic Field Sensor with Piezoelectric Readout”, IEEE Sensors Journal pp 1-1, June 2020. DOI: 10.1109/JSEN.2020.3004272

  9. Shereen Selvaraj, Uma Gandhi, L. John Berchmans, Umapathy Mangalanathan “Effect of magnetic ion substitution on the structure and temperature-dependent magnetic properties of strontium hexaferrite”, Materials Technology, DOI: 10.1080/10667857.2020.1723832, (2020).

  10. Shereen Selvaraj, Uma Gandhi, U. Mehana Usmaniya, L. John Berchmans, Umapathy Mangalanathan “Effect of high energy ball milling on molten salt synthesized barium hexaferrite powder”, IEEE Transactions on Magnetics, DOI: 10.1109/TMAG.2020.2979681, (2020).

  11. Shereen Selvaraj, Uma Gandhi, Umapathy Mangalanathan, and L. John Berchmans “Enhancement of Saturation Magnetization and Remanence of BaFe12O19 Materials Prepared by NaCl–KCl and Hexamine as Flux”, IEEE Magnetics Letters, Vol 11, DOI: 10.1109/LMAG.2020.2965889, (2020).

  12. Geerthy Thambiraj, Uma Gandhi, Viji Devanand and Umapathy Mangalanathan, “Noninvasive cuffless blood pressure estimation using pulse transit time, Womersley number, and photoplethysmogram intensity ratio”, Institute of Physics and Engineering in Medicine Physiological Measurement, Volume 40, Number 7, 2019.

  13. Raghavendran Srinivasan, Umapathy Mangalanathan, Uma Gandhi,  "Dual input buck-boost converter for hybrid Piezoelectric Energy Harvester- Supercapacitor sources",  AEU - International Journal of Electronics and Communications,  Volume 111, November 2019.

  14. Raghavendran Srinivasan,   Mangalanathan Umapathy,  Uma G, Karl Marx, “Bridgeless active rectifier for piezoelectric energy harvesting",  IET Circuits, Devices & Systems, Volume number 13, Issue 7, October 2019.

  15. T.N. Satish, A.N.V. Rao, A.S. Nambiar, G. Uma, M. Umapathy, U. Chandrashekhar, V.U. Petley, “Investigation into the Development and Testing of a Simplex Capacitance Sensor for Rotor Tip Clearance Measurement in Turbo Machinery”, Experimental Techniques  Volume 42, Issue 6, pp 575–592, 2018.
  16. M. S. Manjunath, N. Nagarjuna, G Uma, M. Umapathy, M. M. Nayak, K. Rajanna, "Design, fabrication and testing of reduced graphene oxide strain gauge based pressure sensor with increased sensitivity", Microsystems Technologies, Vol 24, Issue 7, pp 2969–2981, 2018.
  17. R Usharani, G Uma, M Umapathy, Seung-Bok Choi, “A Novel Piezoelectric Energy Harvester Using Multi-Stepped Beam with Rectangular Cavities” Applied Sciences, 2018. [Accepted]
  18. V. Partha Sarathi, G. Uma,  M. Umapathy, “Realization of Fractional order Inductive Transducer”, IEEE SENSORS JOURNAL, vol. 18, issue no. 21, pp. 8803-8811, 2018 .  
  19. Srinivasulu Raju, S., M. Umapathy and G. Uma Design and analysis of high output piezoelectric energy harvester using non-uniform beam. Journal of Mechanics of Advanced Materials and Structures, pp. 1-10, 2018.
  20. PalaniKumar Gurusamy , Uma Gandhi , Umapathy Mangalanathan and Arunshankar Jayabalan "Higher order sliding mode controller for urea-SCR system", Turkish Journal of Electrical Engineering and computer sciences, vol. 26, issue. 3, pp. 1505-1514, 2018.
  21. Pandiyan, P., G. Uma, and M. Umapathy "Design and simulation of electro-thermal compliant MEMS logic gates." COMPEL: International journal for computation and mathematics in electrical and electronic engineering 37(2), pp. 868-889, 2018.
  22. Pandiyan P, Uma G, Umapathy M, " Design and Simulation of MEMS Electro-thermal complaint Actuator based Logic Gates" COMPEL - The International Journal for Computation and Mathematics in Electrical and Electronics Engineering pp.1-9.
  23. Parthasarathi Veeraian, Uma Gandhi, Umapathy Mangalanathan, " Analysis of Fractional order Inductive Transducers", The European Physical Journal Special Topics (EPJ ST), vol 226, pp. 3851-3873, 2017.
  24. PalaniKumar Gurusamy , Uma Gandhi , Umapathy Mangalanathan, Karl Marx LR, "Electrical conductivity based quality measurement of diesel exhaust fluid", Journal of Analytical Chemistry, vol. 73, issue. 11, 2018.
  25. Parthasarathi Veeraian, Uma Gandhi, Umapathy Mangalanathan, "Design and Analysis of Fractional order Seismic Transducer for Displacement and Acceleration Measurements", Journal of Sound and Vibration, Vol.419(C), pp.123-139, 2018. 
  26. MS Manjunath, G Uma, M Umapathy, MM Nayak, "Design, fabrication and testing of fiber bragg grating based fixed guided beam pressure sensor", Optik-International Journal for Light and Electron Optics,2018 (https://doi.org/10.1016/j.ijleo.2017.12.206).
  27. PK Gurusamy, U Gandhi and U Mangalanathan, "A study on optical characteristics and quality monitoring of diesel exhaust fluid", Optik-International Journal for Light and Electron Optics, Vol.155, pp.31-35, 2018.
  28. Pandiyan P, Uma G, Umapathy M, "Design And Simulation Of Electrostatic NEMS Logic Gates " COMPEL-The International Journal for Computation and Mathematics in Electrical and Electronics Engineering 37 (1), pp.2-28, 2017.
  29. Ramalingam Usharani, Gandhi Uma, Mangalanathan Umapathy and Seung-Bok Choi, " A new piezoelectric-patched cantilever beam with a step section for high performance of energy harvesting", Sensors and Actuators A : Physical, Vol.265,  pp.47-61, 2017.
  30. S Srinivasulu Raju, M Umapathy , G Uma ," High-output piezoelectric energy harvester using tapered beam with cavity", Journal of Intelligent Material Systems and Structures, 29(5), pp. 800-815. 2017. 
  31. PalaniKumar Gurusamy , Uma Gandhi , Umapathy Mangalanathan, Karl Marx LR, " Measurement of Diesel Exhaust Fluid Concentration in Urea-SCR after-Treatment System", International Journal of Precision Engineering and Manufacturing, Vol.18 , No.8, pp.1085-1092, August 2017.
  32. Parthasarathi Veeraian, Uma Gandhi, Umapathy Mangalanathan, "Fractional order Linear Variable Differential Transformer: Design and analysis", International Journal of Electronics and Communications, Vol.79, pp.141-150, May 2017. 
  33. Sujan Yenuganti, Uma Gandhi, Umapathy Mangalanathan, "Piezoelectric microresonant pressure sensor using aluminium nitride", Journal of Micro/Nanolithography, MEMS, and MOEMS, Vol.16, No.2, 2017. 
  34. P. Pandiyan, G. Uma & M. Umapathy, " Design and Simulation of  MEMS-Based Digital-to-Analog Converters for In-plane Actuation", Arabian Journal for Science and Engineering 42(12), pp. 4991-5001, 2017. 
  35. Ramalingam Usharani, Gandhi Uma, Mangalanathan Umapathy and Seung-Bok Choi," A new broadband energy harvester using propped cantilever beam with variable overhang", Journal of Smart Structures and Systems, Vol.19, No.5, pp.567-576, April 2017. 
  36. Ramalingam Usharani, Gandhi Uma, Mangalanathan Umapathy and Seung-Bok Choi, "Design of high output broadband piezoelectric energy harvester", Journal of Mechanical Science and Technology,Vol.31, No.7  pp.3131-3142, 2017.

  37. S Srinivasulu Raju, M Umapathy, G Uma, "Piezoelectric energy harvesting with single and multiple condensed cavities", Journal of Ferroelectrics, Vol.507, No.1, pp.29-42, 2017.

  38. T. N. Satish, K. P. Rakesh, G. Uma, M. Umapathy, U. Chandrasekhar, A. N. V. Rao, V. Petley,"Functional Validation of K-Type (NiCr-NiMn) Thin Film Thermocouple on Low-Pressure Turbine Nozzle Guide Vane (LPT NGV) of Gas Turbine Engine", Experimental Techniques, Vol. 41(2), pp. 131-138, November 2016. 
  39. J.Sivaraman, G. Uma, P. Langley, M. Umapathy, S. Venkatesan, G. Palanikumar,"A study on stability analysis of axial repolarization varibility using ARX model in sinus rhythm and atrial tachycardia ECGs", Computer Methods and Programs in Biomedicine, Vol.137,pp.341-351, October 2016.
  40. Ramalingam Usharani, Gandhi Uma, Mangalanathan Umapathy, " Design of High Output Broadband Piezoelectric Energy Harvester with Double Tapered Cavity Beam",International Journal of Precision Engineering and Manufacturing- Green Technology, Vol.3, No.4, pp.343-351, October 2016.
  41. Y. Sujan, G. Uma  M. Umapathy, " Design and testing of piezoelectric resonant pressure sensor", Sensors and Actuators A: Physical, vol.250,177-186,September 2016.
  42. Y. Sujan, G. Uma  M. Umapathy, "Micro pressure sensor with three degrees of freedom resonator". Journal of Microsystem Technologies, Vol.23, pp. 3201-3214,  August 2016.
  43. Y. Sujan, G. Uma, M. Umapathy,  Design and modelling of a resonant pressure sensor, Journal of Microsystem Technologies, Vol. 23, pp. 1285-1293, February 2016.
  44. S. Sathiya, M. Umapathy, B. Vasuki, G. Uma. Simple liquid pumping system using piezoelectric actuated cantilever beam. Journal of Instruments and Experimental Techniques, Vol. 59, No. 1, pp. 142–148, 2016.
  45. S. Srinivasulu Raju, M. Umapathy, G. Uma. Cantilever piezoelectric energy harvester with multiple cavities, Journal of Smart Materials and Structures. Vol.24,115023(11pp), 2015.
  46. A. Rami Reddy, M. Umapathy, D. Ezhilarasi, G. Uma. Piezoelectric energy harvester with shape memory alloy actuator using solar energy, IEEE Transactions on Sustainable Energy, Vol.6(4), pp. 1409 -1415,  2015.
  47. Pankaj Shivhare, G. Uma, M. Umapathy. Design enhancement of a chevron electrothermally actuated microgripper for improved gripping performance, Journal of Microsystem Technologies, Vol. 22(11), pp. 2623 - 2631, 2015.
  48. A. Rami Reddy,  M. Umapathy, D. Ezhilarasi,  G. Uma. Cantilever Beam with Trapezoidal Cavity for Improved Energy Harvesting. Journal of International Journal of Precision Engineering and Manufacturing, Vol 16(8), 1875-1881, 2015.
  49. A. Rami Reddy, M. Umapathy, D. Ezhilarasi, G. Uma. Modelling and Experimental investigations on stepped beam with cavity for energy harvesting. Journal of Smart Structures and Systems. Vol. 16(4), 2015.
  50. A. Rami Reddy, M. Umapathy, D. Ezhilarasi, G. Uma, Improved energy harvesting from vibration by introducing cavity in a cantilever beam Journal of Vibration and Control, Vol.22(13), pp. 3057-3066, Nov 2014. 
  51. J. Sivaraman, G. Uma, S. Venkatesan, M. Umapathy, M. S. Ravi, Unmasking of atrial repolarization waves using modified limb lead system, Anatolian Journal of Cardiology, “In Press”, 2015.
  52. J. Sivaraman, G. Uma, S. Venkatesan, M. Umapathy, V. E. Dhandapani, Normal limits of ECG measurements related to atrial activity using a modified limb lead system, Anatolian Journal of Cardiology, Vol. 15, 2-6, 2015.
  53. J. Sivaraman, G. Uma, S. Venkatesan, M. Umapathy, N. Keshavkumar, A study on atrial Ta wave morphology: An approach using P wave signal averaging method, Journal of Medical Imaging and Health Informatics, Vol. 4(6), 675-680, 2014.
  54. S. Hariharakrishnan, D. Ezhilarasi, G. Uma, M. Umapathy, Pyroelectric based solar and wind energy harvesting system, IEEE Transactions on Sustainable Energy, Vol.5, No.1, 73-81, 2014.
  55. J. Sivaraman, G. Uma, S. Venkatesan, M. Umapathy, V. E. Dhandapani, A novel approach to determine atrial repolarization in electrocardiograms, Journal of Electrocardiology, Vol. 46, No. 4, e1, 2013.
  56. K. Suresh, G. Uma, M. Umapathy, New observation on automatic phase adjustment of a smart cantilever resonator, Journal of Vibration and Control, Published Online, 2013.
  57. J. Sivaraman, G. Uma, M. Umapathy, Analysis of human atrial repolarization phase of electrocardiogram in normal subject, Journal of Clinical and Experimental Cardiology, Vol. 3(2), 90, 2012.
  58. K. Suresh, G. Uma, M. Umapathy, A new self sensing electronics for piezoelectric resonance sensors, Journal of intelligent material systems and structures, Vol. 23, No.5, 587-593, 2012.
  59. K. Suresh, G. Uma, M. Umapathy, Design of resonance based mass sensor using self sensing piezoelectric actuator, Journal of Smart Materials and Structures, 21, 025015, 2012.
  60. B.V.M.P. Santhosh Kumar, K. Suresh, U. Varun Kumar, G. Uma and M. Umapathy, Resonance based DC current sensor, Measurement, Vol.45, No.3, 369-374, 2012.
  61. K. Suresh, G. Uma, M. Umapathy, A new resonance based method for the measurement of non magnetic conducting sheet thickness, IEEE Transactions on Instrumentation and Measurement, Vol. 60, No.12, 3892-3897, 2011.
  62. K. Suresh, G. Uma, B.V.M.P. Santhosh Kumar, U. Varun Kumar, M. Umapathy, Piezoelectric based resonant mass sensor using phase measurement, Measurement, Vol. 44, No.2, 320-325, 2011.
  63. B.V.M.P. Santhosh Kumar, K. Suresh, U. Varun Kumar, G. Uma and M. Umapathy, Design and simulation of resonance based DC current sensor, International Journal of Interaction and Multiscale Mechanics, Vol. 3, No. 3, 257-266, 2010.
  64. M. Shanmugavalli, M. Umapathy, G. Uma, Smart coriolis mass flowmeter, Measurement, Vol. 43, No. 4, 549-555, 2010.
  65. G. Uma, M. Umapathy, K. Suneel Kumar, K. Suresh, A. Maria Josephine, Microcontroller based split mass resonant sensor for absolute and differential sensing, Journal of Smart Structures and Systems, Vol. 5, No.3, 279-290, 2009.
  66. M. Shanmugavalli, G. Uma, M. Umapathy, Uncertainty analysis of micro differential pressure sensor using intervalanalysis, International Journal on Smart Sensing and Intelligent Systems, Vol. 2, No. 3, 463-476, 2009.
  67. M. Shanmugavalli, G. Uma, M. Umapathy, Modeling and analysis of micro fluidic channels, Sensors & Transducers Journal, Vol. 106, No.7, 155-163, 2009.
  68. G. Uma, M. Umapathy, A. Maria Josephine, S. Aishwarya, K. Suresh, Design of microcontroller based resonant sensor with piezoelectric excitation and detection, Journal of Instrumentation Science and Technology, Vol. 36, No. 4, 367-374, 2008.
  69. B. Vasuki, M. Umapathy, G. Uma, M. Shanmugavalli, Uncertainty analysis of temperature measurement system using analytical and interval algorithm,  Journal of Instrumentation Science & Technology, Vol. 36, No.2, 81-87, 2008.
  70. G. Uma, Sumy Jose, V. Natarajan, M. Umapathy, M. Kathiresan, Design and simulation of PVDF- MOSFET based MEMS hydrophone, Journal of Instrumentation Science & Technology, Vol. 35, No.3,     329-339, 2007.
  71. G. Uma, A. Girija, M. Umapathy, Optimized design of micro resonators using genetic algorithm, Sensors and Transducer Journal, Vol.72, No. 10, 740-753, 2006.
  72. S. A. Anbalagan, G. Uma, M. Umapathy, Modeling and simulation of capacitive micro machined ultrasonic transducer (CMUT), Journal of Physics, Conference Series 34, 595-600, 2006.
  73. J. Vijay, Ivan Saha, G.Uma, M. Umapathy, Modeling and simulation of  multi-port RF switch, Journal of Physics, Conference Series 34, 715-721, 2006.
  74. M. Shanmugavalli, G. Uma, B. Vasuki, M. Umapathy,Design and simulation of MEMS device using interval analysis, Journal of Physics, Conference Series 34, 601-605, 2006.

INTERNATIONAL  CONFERENCES

  1. Akila R, G. Uma, M. Umapathy, "Sensitivity Enhancement of Resonant Sensor using Output Feedback Control", 3rd International Conference on Electrical,Electronics,Engineering Trends, Communication, Optimization and Sciences (EEECOS), 2016.
  2. Akila R, G. Uma, K. Suresh, S.S.Choi, M. Umapathy, "Design of an electronic oscillator for resonant pressure sensor with non-collocated sensor and actuator", SPIE Active and Passive Smart Structures and Integrated Systems Conference held at Las Vegas,U.S.A., 2016.
  3. Pankaj Shivhare, G. Uma, Y. Sujan, M. Umapathy, “Sensitivity Improvement of a Silicon Nitride Beam Resonant Pressure Sensor”, International Conference on  MEMS  and  Sensors (ICMEMSS 2014)  to be held at  Indian  Institute  of  Technology  Madras,  Chennai,  December 18-20, 2014. (Accepted).
  4. Pandiyan.P, G. Uma, M. Umapathy, Y. Sujan, “Design and Simulation of Chevron Type MEMS Digital to Analog Converters”, International Conference on  MEMS  and  Sensors (ICMEMSS 2014)  to be held at  Indian  Institute  of  Technology  Madras, Chennai,  December 18-20, 2014.
  5. Pandiyan. P, G. Uma, M. Umapathy, K. Suresh, “Sensitivity Improvement of Resonant Sensor With PID Controller”, Proceedings of the 2014 IEEE Students Technology Symposium (IEEE TechSym 2014)  held at  Indian  Institute  of  Technology  Kharagpur,  Kharagpur, 2014,pp 170-175.
  6. Pankaj Shivhare, G. Uma, M. Umapathy, “A Micro Gripper for High Force Application Using In-Plane Chevron Electrothermal Actuator”, Proceedings of International Conference on Microelectronics, Circuits & Systems (Micro-2014), July 11-13, 2014.
  7. P. Pandiyan, G. Uma, M. Umapathy, “Design and simulation of 3-bit MEMS electro thermal compliant actuator based analog to digital converter”, Proceedings of 7th International Conference on smart materials, structures and systems(ISSS-2014), Bangalore, July 8-11, 2014.
  8. S. Harihara krishnan, D Ezhilarasi, G. Uma, M. Umapathy,“Experimental investigation of a novel hybrid energy harvesting system using ferroelectric material” Proceedings of Texas Instruments India Educator’s Conference, Bangalore, India,  April 4-5, 2013.
  9. G. Uma, U.VarunKumar, B.V.M.P.SantoshKumar, K.Suresh, “Design and Modelling of Piezoelectric Sifter” Proceedings of IEEE Sensors Applications Symposium (SAS-2013), Texas, USA, February 19-21, 2013, pp 205-208.
  10. Y Sujan, B.Vasuki, G. Uma, D. Ezhilarasi, K. Suersh “Thickness sensor for Ferromagnetic sheets”, Proceedings of 6th IEEE International Conference on Sensing Technology (ICST-2012), Kolkata, India, December 18-21, 2012,pp 93-96.
  11. Y Sujan, B.Vasuki, G. Uma, “T-Shaped Resonating Beam Pressure Sensor”, Proceedings of 10th IEEE International Conference on Semiconductor Electronics (ICSE-2012), kualalumpur, Malaysia, September 19-21, 2012, pp 271-275.
  12. P.Pandiyan, G. Uma, M. Umapathy, “Design of logic gates using laterally-actuated double-gate NEMS” Proceedings of the 9th International Workshop on Nanomechanical Sensing 2012(NMC-2012), IIT Bombay, Mumbai, India, June 6-8, 2012.
  13. J.Sivaraman, G.Uma, M. Umapathy “A modified chest leads for minimization of ventricular activity in electrocardiograms” Proceedings of IEEE International conference on Bio-medical Engineering (ICoBE-2012), Penang, Malaysia, February 26-28, 2012, pp 79-82.
  14. S. Harihara krishnan, D.Ezhilarasi, G.Uma, M. Umapathy, Y Sujan “Enhancement of vertical displacement in electro thermal micro actuator” Proceedings of International Conference on Smart Materials Structures and Systems (ISSS-2012), IISc Bangalore, January 2012. 
  15. Y. Sujan B.Vasuki, G.Uma, M. Umapathy, S.Harihara krishnan “Sensitivity enhancement of surface micromachined resonant pressure sensor” Proceedings of International Conference on Smart Materials Structures and Systems (ISSS-2012), Bangalore, January 2012.
  16. K. Suresh, G.Uma, M. Umapathy, “A Resonant Accelerometer with Piezoelectric self sensing electronics” Proceedings of International Conference on Smart Materials Structures and Systems (ISSS-2012), Bangalore, January 2012.
  17. J.Sivaraman, G.Uma “A Non-Invasive Detection of Somnolence based on the peripheral physiological parameter” Proceedings of International Conference on Biomedical Engineering and Assistive Technologies (BEATS), NIT Jalandhar, December 17-19, 2010.
  18. K. Suresh, B.V.M.P. Santhosh Kumar, U.V. Kumar, M. Umapathy and G. Uma, “Simulation of DC Current Sensor” Proceedings of COMSOL Conference Bangalore, 2010.
  19. B.V.M.P Santhosh Kumar, U. Varun Kumar, K. Suresh, G. Uma and M. Umapathy, “Frequency Detector using Piezo laminated cantilever beam” Proceedings of International Conference on Power Electronics and Instrumentation Engineering (PEIE- 2010), 2010, CCIS 102,pp 104-107.
  20. B.V.M.P Santhosh Kumar, M. Umapathy, U. Varun Kumar, K. Suresh and G. Uma, “Occupancy sensor using piezo laminated cantilever beam” Proceedings of 6th International conference on Vibration Engineering and Technology of Machinery, IIT Delhi, Delhi, 2010, pp. 451-455.
  21. M. Shanmugavalli, G. Uma, M. Umapathy, “Experimental evaluation of coriolis mass flowmeter using piezoelectric sensing and actuation” Proceedings of 6th International conference on Vibration Engineering and Technology of Machinery, IIT Delhi, Delhi, 2010, pp. 456-462.
  22. U.Varun Kumar, M. Umapathy, B.V.M.P.Santhosh kumar, G. Uma and K. Suresh, “Smart structure for measuring the time period of a simple pendulum” Proceedings of 6th International conference on Vibration Engineering and Technology of Machinery, IIT Delhi, Delhi ,2010, pp. 544-549.
  23. G. Uma, M. Umapathy, L. Baby Vidhya, M. Maya, T. Sophia, K. Tamilarasi, “Design and analysis of resonant based gas sensor” Proceedings of IEEE Sensors Applications Symposium (SAS-2008), Atlanta, GA, USA, 2008.
  24. G. Uma, M. Umapathy, K. Suresh, M. Shanmugavalli, “Design and simulation of meso and micro split beam resonators” Proceedings of International Conference on Smart Materials Structures and Systems(ISSS-2008), Bangalore, India, 2008.
  25. G. Uma, K. Suresh, M. Umapathy, M. Shanmugavalli, “Closed loop electronics for resonant sensors” Proceedings of  International  Conference  on Smart Materials Structures and Systems (ISSS-2008 ), Bangalore, India, 2008,pp-90.
  26. G. Uma, M. Umapathy, S. Meenatchisundaram “ Dynamic simulation of micro resonator based differential pressure sensor ” Proceedings of SPIE International conference on smart structures and materials, San Diego, USA, 2007, Vol. 6528-25.
  27. M. Umapathy, A. Girija, G. Uma, B. Bandopadhyay , “Active vibration control of piezoactuated structures using fast output sampling based sliding mode control” Proceedings of SPIE International conference on smart structures and materials, San Diego, USA, 2007, Vol. 6523-23.
  28. B. Vasuki, M. Umapathy, G. Uma, M. Shanmugavalli, S. Meenatchisundaram “Uncertainty analysis of mircoresonator using classical and interval methods”, Proceedings of SPIE International conference on smart structures and materials, San Diego, USA, 2007, Vol. 6528-23.
  29. M. Indumathy, G. Uma, M. Umapathy, “Design of fast output sampling feedback controller for ER fluid actuated car suspension system” Proceedings of the International Conference on Trends in Industrial and Automation (TIMA-2007), NIT Trichy, Trichy 2007,pp. 251-256.
  30. S. Meenatchisundaram, G. Uma, M. Umapathy, B.S. Sathyanarayana and P.R. Venkateswaran, “Displacement analysis of micro-resonators” Proceedings of the International Conference on Trends in Industrial and Automation (TIMA-2007), NIT Trichy,Trichy,2007, pp. 83-87.
  31. A. Girija, M. Umapathy, B. Bandyopadhyay, G. Uma, K. Dhanalakshmi, “ Discrete time sliding mode control for piezoelectric actuated structures” Proceedings of IEEE International Conference on Industrial Technology (ICIT -2006), Mumbai, 2006,pp 1466-1471.
  32. D. Ezhilarasi, M. Umapathy, B. Bandyopadhyay, G. Uma, “Design and experimental evaluation of composite output feedback control for smart structures” Proceedings of IEEE International Conference on Industrial Technology (ICIT- 2006), Mumbai, 2006, pp 692-697.
  33. N. Senthil Manoharan, G. Uma, M. Umapathy, S. Meenatchisundaram, “Structural vibration control using quantitative feedback theory” Proceedings of IEEE International Conference on Industrial Technology (ICIT-2006), Mumbai, 2006,pp 1816-1822.

NATIONAL  CONFERENCES

  1. G. Sruthi, G. Uma, M. Umapathy, ParthaSarathi V," Sliding Mode Control for Piezoelectric Actuated Cantilever based Liquid Pumping System", ISSS National Conference on MEMS, Smart materials, Structures and Systems,IIT kanpur, September 2016.
  2. G. Sruthi, ParthaSarathi V, G. Uma, M. Umapathy, "Design of Closed Loop Micro Accelerometer for Performance Improvement", ISSS National Conference on MEMS, Smart materials, Structures and Systems,IIT kanpur, September 2016.
  3. B.V.M.P Santhosh Kumar, M. Umapathy, U. Varun Kumar, K. Suresh, G. Uma, “Design of piezo laminated cantilever based phase detector” Proceedings of 4th ISSS National Conference on Microsystems, smart materials and structures ISSS-2010, NIT, Nagpur, 2010.
  4. U. Varun Kumar, M. Umapathy, B.V.M.P.Santhoshkumar, K. Suresh, G. Uma “Smart structure for measuring angular velocity”Proceedings of 4th National Conference on Microsystems, smart materials and structures ISSS-2010, NIT, Nagpur, 2010.
  5. S.Meenatchisundaram, S.M. Kulkarni, P.R. Venkateswaran, G. Uma, M. Umapathy, “Design and Range Analysis of Micro Pressure Sensors” Proceedings of National Conference on ICT: Theory, Applications and Practices, Sir Padampat Singhania University, Udaipur, 2010.
  6. K. Suresh, B.V.M.P.Santosh Kumar, U. Varun Kumar, G.Uma, M.Umapathy,“A novel thickness measurement using a piezo laminated cantilever resonator” Proceedings of National Conference ICECON 09, National Institute of Technology, Trichy, pp no. 52-55, 2009.
  7. P.Vetrivel, G.Uma, M.Umapathy, “Design & simulation of high Q micromechanical resonator” Proceedings of 11th National Seminar on Physics and Technology of Sensors, Pune, 2006.