• Poornachandra and N. Kumaravel, “A Wavelet coefficient smoothened RLS-Adaptive denoising model for ECG”, Journal of Biomedical Sciences Instrumentation, Vol. 39, ISA Vol. 437, pages 154-157, April 2003
• Poornachandra and N. Kumaravel, “Hyper-trim shrinkage for denoising of ECG signal”, Journal of Digital Signal Processing, vol. 15, Issue-3, pp. 315-327, May 2005
• Poornachandra S. et. al, “A Novel Tool for Effective Denoising Of Biological Signals: Recursive Trim-Mean Filter”, WSEAS Journal of Signal Processing, Issue No. 4, Vol. 2, ISSN. 1790-5022, pp. 459 – 465, April 2006
• Poornachandra S. and N. Kumaravel, “Statistical Estimation for Hyper Shrinkage”, Journal of Digital Signal Processing, Vol. 17, Issue-2, pp. 485-494, March 2007
• Poornachandra S. and N. Kumaravel, “Subband-Adaptive Shrinkage for Denoising of ECG Signals”, EURASIP Journal of Applied Signal Processing, ID81236, pp. 1 – 9, Vol. 2006, 2006.
• Poornachandra S. and N. Kumaravel, “Wavelet-based denoising using subband dependent threshold for ECG Signals”, Journal of Digital Signal Processing, Vol. 18, pp. 49-55, 2008
• Poornachandra S. and N. Kumaravel, “A Novel method for the Elimination of Power Line Frequency in ECG Signal using Hyper Shrinkage Function”, Journal of Digital Signal Processing, Vol. 18, pp. 116 – 126, 2008
• Poornachandra S. and N. Kumaravel, “Hyper Shrinkage for Denoising of ECG Signal with Adaptive Filter”, Journal of Digital Signal Processing, (available online)
• Poornachandra S. and Sumaiya Zahoor, “Optimizing of Image De-Noising Using Ex-Trim Shrinkage”, International Journal of Electronics, Electrical and Communication Engineering, IJEECE, ISSN 0975-4814, Vol. 1, No.1, pp 43 – 50, Jan-Jun 2009.
• Poornachandra S. and Sumaiya Zahoor, “Image De-Noising Using Ex-Trim Shrinkage”, International Journal of Computing & Information Technology, IJCIT Vol. 2, No.1, Jan-June 2010.

• Poornachandra and Sasikala, A book on “Electronics lab primer- a design approach”, S. Chand & co. (formerly with A. H. Wheeler publishing & co.), 2004, New Delhi, India
• Poornachandra, Sasikala and Afzal Khan, “Introduction to Electrical, Electronics & Communication Engineering”, Lakshmi publication, 2004, New Delhi, India.
• Poornachandra and Sasikala, “Electronic Devices and Circuits – for JNTU syllabus”, SciTech publication, 2003, Chennai, India
• Poornachandra and Sasikala, “Hand book of experiments in electronics & communication lab”, Vikas publication, 2002, New Delhi, India.
• Poornachandra, “Signals & Systems”, McGraw Hill publication, Third Edition, 2009, Chennai, India
• Poornachandra and Sasikala, “Electronic Circuits-II” for Anna University syllabus, SciTech publication, Second edition, 2006, Chennai, India.
• In addition to this Dr Poornachadra has presented technical papers in several National and International conferences. He is the peer reviewer for several indexed National and International Journals  and Associate Editor for  International Journal of Electronics, Electrical and Communication Engineering (IJEECE)

He is on the peer review committee of many leading international journals such as:

• IEEE Signal Processing Letter
• IEEE Transaction on Signal Processing
• Journal of WSEAS
• Journal of Applied Signal Processing, ELSEVIER
• Journal of Biophysical Reviews & Letters (JBRL)
• International Journal of Computing & Information Technology (IJCIT)
• International Journal of Physical Science. (IJPS)
• Journal of Science and Technology Education Research (JSTER)
• IET Signal Processing
• International Journal of Computer Applications (IJCA)
• Journal of Control Science and Engineering (JCSE)
• Journal of Electrical and Electronics Engineering Research (JEEER)
• IEEE-INDICOM: An IEEE international conference.

• Best Teacher Award: SSN College of Engineering (2001 & 2003)
• Best paper award: “WaveShrink using Modified Hyper-Shrinkage Function” Proc. of 27th Annual International conference of the IEEE Engineering in Medicine and Biological Society (EMBC05), 1st – 4th September, 2005, Shanghai, China.
• Best paper award: “Denoising of ECG using Wavelet Shrinkage”, Proc. of NCSSS 2006, 24th-25th Feb, Bannari Amman Institute of Technology, Tamilnadu, India.
• His name is included in MARQUIS WHO’S WHO in Science and Engineering.
• His name is included in International Biographical Centre, Cambridge, England. 
• Research papers are rated 3rd and 15th best paper in Elsevier Journal of digital signal processing 

• Served as a Lecturer in the Department of Mechanical Engineering from 1980 to 1981 at MIT, Manipal
• Experience in 50 & 100 MW Unit O&M, LEP of Neyveli Thermal Power Station from1981 to 1996
• Working in NLC R&D department from 1996 to till date.
• Overall in charge for all R&D Pilot plants (Humic acid, Activated carbon, Combustion, Gasification)

Projects Completed under R&D

• Prepared lignite-tar- oil slurry a substitute for furnace oil and conducted test firing in collaboration with  BHEL, Trichy and conducted test firing at their furnace ( Under coal S&T Project).
• Completed the design, fabrication, erection and commissioning of Agglomerated Coke pilot plant ( Under coal S&T Project)
• Completed erection, commissioning and test firing of lignite test furnace for combustion and gasification ( Sponsored by UNiDO, Vienna)
   Trained in combustion Pilot plant at DMT, Germany under UNIDO projects.
• Completed the design, fabrication, erection and commissioning of Humic acid pilot plant ( In-House R&D project) and obtained patent and commercialized the technology.
• Completed the design, fabrication, erection and commissioning of Activate carbon pilot plant from lignite in collaboration with RRL (CSIR), Trivandrum. Applied for patent.
• Completed the design, fabrication, erection and commissioning of various equipment-wise rotary vacuum paddle drier, IBR boiler, tray drier, thin film evaporator, EOT crane etc.

• ME Thermal Power Engineering, MIE, Boiler operation engineers  Certificate(BOE).

Other achievements:

• Reduced the cost of production of potassium humate ( Fertilizer for agriculture)
• Produced lignite-tar- oil slurry a substitute for furnace oil for the first time in India.
• Introduced liquid humic acid (lignite based) for the first time in India during 2003.
• Produced Activated carbon from lignite for the first time in India during 2007.
• Conducted classes for AMIE Mechanical at Institution of Engineers India .
• Conducting classes for National Power Training Institute (NPTI).
• Conducting seminar classes at NIT, Trichy.
• Conducting Training at Neyveli Training Complex.

• R&D projects,, interested to take collaborative projects with Institute and industries, deliver special lecture programme on thermal power engineering.

Family details: