O. Tetervenoks, A. Avotins, Implementation of Wireless Communication for LED Luminary Light Efficiency Evaluation Stand, Student Forum Proceedings of the 7th International Conference- Workshop Compatibility and Power electronics CPE 2011, Tallinn, Estonia, June 3, 2011, pp. 72-76.Google Scholar
 Lahiri, K.; Raghunathan, A.; Dey, S.; Panigrahi, D.; , "Battery-driven system design: a new frontier in low power design ," Design Automation Conference, 2002. Proceedings of ASP-DAC 2002. 7th Asia and South Pacific and the 15th International Conference on VLSI Design. Proceedings. , vol., no., pp.261-267, 2002Google Scholar
 Chulsung Park; Lahiri, K.; Raghunathan, A.; , "Battery discharge characteristics of wireless sensor nodes: an experimental analysis," Sensor and Ad Hoc Communications and Networks, 2005. IEEE SECON 2005. 2005 Second Annual IEEE Communications Society Conference on , vol., no., pp. 430- 440, 26-29 Sept., 2005Google Scholar
 Hang Su; Xi Zhang; , "Battery-dynamics driven tdma mac protocols for wireless body-area monitoring networks in healthcare applications," Selected Areas in Communications, IEEE Journal on , vol.27, no.4, pp.424-434, May 2009Google Scholar
 Merrett, G.V.; Weddell, A.S.; Lewis, A.P.; Harris, N.R.; Al-Hashimi, B.M.; White, N.M.; , "An Empirical Energy Model for Supercapacitor Powered Wireless Sensor Nodes," Computer Communications and Networks, 2008. ICCCN '08. Proceedings of 17th International Conference on , vol., no., pp.1-6, 3-7 Aug. 2008Google Scholar
 Philips Semiconductors, I2C-bus specification and user manual, user manual, 2012, available electronically at http://www.npx.com [Accessed March 11, 2012]Google Scholar
 R. Kötz, M. Carlen, “Principles and applications of electrochemical capacitors,” Electrochim. Acta 45 (2000) 2483-2498.Google Scholar
 Linear Technology, LTC3619 400mA/800mA synchronous step-down DC/DC with average input current control, datasheet, 2009, available electronically at http://cds.linear.com/docs/Datasheet/3619f.pdf [Accessed March 13, 2012]Google Scholar
 National Semiconductor, LM2621 low input voltage, step-up DC/DC converter, datasheet, 2005, available electronically at http://www.national.com [Accessed March 15, 2012]Google Scholar
 M. Belleville, E. Cantatore, H. Fanet, P. Fiorini, P. Nicole, M.J.M. Pelgrom, C. Piguet, R. Hahn, C. Van Hoof, R. Vullers, M. Tartagni, Energy autonomous systems: future trends in devices, technology, and systems, Report, CATRENE Working Group on Energy Autonomous Systems, 2008, Fig. 6, p. 8.Google Scholar
 M. Belleville, H. Fanet, P. Fiorini, P. Nicole, M.J.M. Pelgrom, C. Piguet, R. Hahn, C. Van Hoof, R. Vullers, M. Tartagni, E. Cantatore, “Energy autonomous sensor systems: Towards a ubiquitous sensor technology,” Microelectronics Journal, Volume 41, Issue 11, November 2010, Pages 740-745Web of ScienceCrossrefGoogle Scholar
About the article
Doctoral Student Olegs Tetervenoks
Olegs Tetervenoks received his Bachelor’s Degree with Engineer qualification (2010) and Master’s (2011) Degree in the field of electrical engineering at Riga Technical University, Faculty of Power and Electrical Engineering. Since 2011 he has been studying for his PhD at Riga Technical University. The Bachelor thesis was focused on solid state lighting technology development, in particular, on efficient LED power supply development. The Master thesis was devoted to LED light source efficiency evaluation equipment. The area of scientific interests of Olegs Tetervenoks covers microprocessor control systems and LED lighting technologies. The working experience of Olegs Tetervenoks includes 2 years of research job at Riga Technical University. Olegs Tetervenoks is IEEE member since 2011.
Professor Ilya Galkin
Ilya Galkin received his Bachelor’s (1994), Master’s (1996) and Doctor’s (2001) Degrees in the field of electrical engineering at Riga Technical University, Faculty of Power and Electrical Engineering, Department of Power Electronics and Electrical Technologies. The main research field includes design and applications of matrix converters. In particular it regards integrated designs with the matrix converters, smart control of their semiconductor switches, thermal and conductor’s design. Another research field includes smart power supplies for various applications, for example, for LED lighting. The working experience of Ilya Galkin includes 6 year of practical engineering job at research and manufacturing enterprise “Lasma” (Latvia) in the field of elaboration and development industrial automatics, as well as 14 years of research and educational job at Riga Technical University. At the given time he is a professor at the Department of Power Electronics and Electrical Technologies of RTU-EEF-IEEI. Ilya Galkin is the author of various publications. Ilya Galkin is IEEE member since 2006 in societies of Power Electronics, Industrial Electronics, Automatic control and Education.
Researcher Jelena Armas
Jelena Armas received her engineering education and Ph.D. degree in Electrical Drives and Power Electronics in Tallinn University of Technology 1982 and 2008 respectively. In 1982-1985, she worked in Tallinn University of Technology. Since 2006 she has been working in Elektrilevi OÜ. Her research interests include analysis of the quality of street lighting and implementation of new measurement methods. She has authored more than 15 publications on street lighting.
Published Online: 2013-01-31
Published in Print: 2012-12-01