Biography
Ahmed Elwakil was born in Cairo, Egypt. He received the B.Sc. and M.Sc. degrees from the Department of Electronics and Communications at Cairo University, Cairo, Egypt and the Ph.D. degree from the Department of Electrical and Electronic Engineering, National University of Ireland, University College Dublin. Since September 2000, He has been with the Department of Electrical and Computer Engineering, Sharjah University, United Arab Emirates, where he is currently a Professor. Prior to that, he was with the Egyptian Nuclear Research Centre. His research interests are primarily in the areas of Circuit Theory, Nonlinear Dynamics, Chaos Theory, as well as Fractional-Order Circuits and Systems with diverse interdisciplinary applications ranging from the modeling of oscillatory networks and nonlinear electronic circuits to energy devices and bio-materials. He is the author and co-author of over 210 publications in these areas and is currently classified among the top 5% researchers world-wide on Research-Gate (www.researchgate.net/profile/Ahmed_Elwakil2). He has served as a reviewer, review committee member and organizing committee member for many international conferences including ISCAS, NOLTA, ICECS, ECCTD, ICM, NDES and ISSPA and currently serves as an Associate Editor for the Int. J. of Circuit Theory and Applications (Wiley) and was a past Editor of this journal. He is also an Associate Editor of the Int. J. Bifurcation & Chaos, (World Scientific), the J. of Nonlinear Theory and its Applications (NOLTA), published by the Institute of Electronics, Information and Communication Engineers of Japan (IEICE-Japan) and the Int. J. of Electronics & Communications (Elsevier). He was a past Associate Editor for the J. of Dynamics of Continuous, Discrete and Impulsive Systems: Series-B, published by the American Institute of Mathematical Sciences (AIMS) and is currently on the Editorial Board of the IEEE J. Emerging and Selected Topics in Circuits and Systems.
Prof. Elwakil is an Associate Member of the Centre for Chaos Control and Synchronization at the City University of Hong Kong and has served as an instructor for a number of courses organized by the United Nations University (UNU) and the International Centre for Theoretical Physics (ICTP, Trieste, Italy), where he was also an Associate member. He was a Keynote speaker at the sixth International Workshop on Chaos Fractals and Applications, Taiyuan, Shanxi, China, August 2013, a keynote speaker at the Int. Conf. on Fractional Differentiation and Its Applications (ICFDA), Catania, Italy, June 2014 and a keynote speaker at the 39th Int. Conf. on Telecommunications and Signal Processing (TSP), Vienna, Austria, June 2016 where he lectured on the theory of fractional-order circuits and systems: An emerging interdisciplinary research area. He was also a keynote speaker at the Int. Conf. on Microelectronics (ICM), Cairo, Egypt Dec. 2017 where he lectured on the modeling of energy storage devices. Prof. Elwakil been a member of the IEEE Technical Committee on Nonlinear Circuits and Systems (TCNCAS) since 2003 and is an international observer in the European Cooperation in Science and Technology (COST) action on fractional-order system-analysis synthesis and their importance for future design (CA15225).
Prof. Elwakil was a Lead Guest Editor for the IEEE J. of Emerging and Selected Topics in Circuits & Systems, special issue on Fractional-Order Circuits and Systems (Sep. 2013) and a Guest Editor for a special issue on Chaos-Fractals Theories and Applications published in the J. of Mathematical Problems in Engineering, 2014. He was also the guest editor for a special issue on Fractional-Order Circuits (June 2016) published in the J. Circuits Systems & Signal Processing (Springer) and has organized many special sessions at specialized conferences including a special session on Fundamental Nonlinear Elements in Circuit Theory and Applications at NOLTA'15 (Hong Kong), a special session on Nonlinear Circuits at the 59th IEEE Int. Midwest Symposium on Circuits and Systems MWCAS16 (AbuDhabi, UAE) and a special session on the Progress in fractional-order devices and systems at the European Conf. on Circuit Theory and Design ECCTD 2017 (Catania, Italy).
Prof. Elwakil's paper ”Construction of classes of circuit-independent chaotic oscillators
using passive only non linear devices," published in IEEE Trans. on Circuits & Systems-March 2001, is among its top 50 cited papers. The same paper was identified (by Reuters-Thomson) as the fastest moving front in Mathematics in January 2007. His paper “Fractional-order circuits and systems: An emerging interdisciplinary research area,” published in the IEEE Circuits & Systems Magazine is also among its top 50 cited papers ranking 8/50. He received the Egyptian Government first class medal for achievements in Engineering Sciences in 2003, 2009 and 2015 respectively and was a visiting Professor/Researcher at Istanbul Technical University (Istanbul, Turkey), University of Calgary (Alberta, Canada), Queens University (Belfast, UK), Technical University of Denmark (Lyngby, Denmark), Ohio State University (Columbus, Ohio), University College Cork (Cork, Ireland), King Abdullah University of Science and Technology (KAUST, Saudi Arabia) and Nile University (Cairo, Egypt) where he is currently an Adjunct Prof. in the Nano-electronics Integrated Systems Center at Nile University, Egypt. Prof. Elwakil leads and coordinates an international research group focusing on fractional-order circuits and systems with members from Canada, Greece, Egypt, Saudi Arabia and the USA working on multiple projects.
summary
- Editor, Int. J. Circuit Theory & Applications, Wiley
- Editorial Board member, J. Electrical & Computer Engineering, Hindawi
- Past Associate Editor J. Dynamics of Continuous & Discrete Impulsive Systems-Series B, American Institute of Mathematical Sciences (AIMS)
- Associate Editor, IEICE J. Nonlinear Theory and Its Applications, Institute of Electronics, Information and Communication Engineers (IEICE, Japan)
- Review Committee Member, IEEE International Symposium on Circuits & Systems ISCAS'03, Bangkok, Thailand, 2003
- Organizing Committee, International Conference on Communications, Circuits & Systems, ICCCAS'04, Chengdu, China, 2004
- Review Committee Member, IEEE International Symposium on Circuits & Systems ISCAS'04, Vancouver, Canada
- Review Committee Member, IEEE International Symposium on Circuits & Systems ISCAS'05, Kobe, Japan
- Scientific Committee Member, European Conference on Circuits Theory & Design ECCTD'05, Cork, Ireland
- Review Committee Member, IEEE International Symposium on Circuits & Systems ISCAS'06, Kos, Greece
- Review Committee Member, IEEE International Symposium on Circuits & Systems ISCAS'07, Louisiana, USA
- Review Committee Member, IEEE International Symposium on Circuits & Systems ISCAS'08, Washington, USA
- Review Committee Member, IEEE International Symposium on Circuits & Systems ISCAS'09, Taiwan
- Review Committee Member, IEEE International Symposium on Circuits & Systems ISCAS'10, France
- Review Committee Member, IEEE International Symposium on Circuits & Systems ISCAS'11, Brazil
- Review Committee Member, IEEE International Symposium on Circuits & Systems ISCAS'13, China
- Review Committee Member, European Conference on Circuits Theory & Design ECCTD'09, Izmir, Turkey
- Track Chair, 4th IEEE GCC Conference, Bahrain, 2007
- Track Chair, 8th IEEE GCC Conference, Dubai, 2011
- Organizing Committee, International Symposium on Signal Processing and its Applications, ISSPA'07, Sharjah, UAE
- Technical Co-Chair, International Conference on Microelectronics ICM08, Sharjah, UAE
- Guest Editor, Special issue on Advances in Oscillator Analysis and Design, J. Circuits Systems Computers, World Scientific, June 2010
- Track Chair, IEEE International Conference on Electronics, Circuits & Systems, ICECS 2011, Beirut, Lebanon
- Keynote Speaker, Sixth International Workshop on Chaos Fractals and Applications, Taiyuan, Shanxi, China, August 2013.
- Lead Guest Editor, Special Issue on Fractional-Order Circuits and Systems, IEEE J. Emerging and Selected Topics in Circuits & Systems, Sept. 2013.
- Guest Editor, Special issue Chaos-Fractals Theories and Applications, Mathematical Problems in Engineering, 2014.
- Keynote Speaker, Int. Conf. on Fractional Differentiation and Its Applications (ICFDA), Catania, Italy, June 2014.
Peer Reviewed Journals and Book Chapters
H-index 33, RG-score 37.62 (top 5% world-wide), Citations > 3800]
B. J. Maundy, S. Ozoguz, A. S. Elwakil and S. Gift, "The common-base differential amplifier and applications revisited," Microelectronics J., vol. 63, pp. 8-19, May 2017.
G. Tsirimokou, C. Psychalinos, A. S. Elwakil and K. N. Salama, "Experimental behavior evaluation of series and parallel connected constant phase elements," Int. J. Electronics and Communications (AEUE), vol. 74, pp. 5-12, April 2017.
A. S. Elwakil, B. J. Maundy and C. Psychalinos, "On the pinched hysteresis behavior in a state-controlled resistor," Int. J. Electronics and Communications (AEUE), vol. 74, pp. 171-175, 2017.
G. Tsirimokou, C. Psychalinos and A. S. Elwakil, Design of CMOS Analog Integrated Fractional-Order Circuits: Applications in Medicine and Biology, Springer, 111 pages, ISBN 978-3-319-55632-1, (DOI: 10.1007/978-3-319-55633-8), 2017.
A. S. Elwakil, A. Agambayev, A. Allagui and K. N. Salama, "Experimental demonstration of fractional-order oscillators of orders 2.6 and 2.7," Chaos Solitons & Fractals, vol. 96, pp. 160-164, March 2017.
M. Fouda, A. G. Radwan and A. S. Elwakil, Memristor and Inverse Memristor: Modeling, Implementation and Experiments, Chapter 15 in Advances in Memristors, Memristive Devices and Systems (Eds. S. Vaidyanathan and C. Volos), Studies in Computational Intelligence Series, Springer Verlag, Germany, pp. 371-392, 2017.
I. Dimeas, G. Tsirimokou, C. Psychalinos and A. S. Elwakil, "Experimental verification of fractional-order filters using a reconfigurable fractional-order impedance emulator," J. Circuits Systems and Computers, vol. 16, no. 9, pp. 1750142, 2017.
A. S. Elwakil, A. G. Radwan, T. J. Freeborn, A. Allagui, B. J. Maundy and M. Fouda, "Low-voltage commercial super-capacitor response to periodic linear-with-time current excitation: A case study," IET Circuits Devices & Syst., vol. 11, no. 3, pp. 189-195, 2017.
G. Tsirimokou, C. Psychalinos and A. S. Elwakil, "Fractional-order electronically controlled generalized filters," Int. J. Circuit Theory & Applications, Wiley, vol. 45, no. 5, pp. 595-612, May 2017.
A. S. Elwakil, A. Allagui, T. J. Freeborn and B. J. Maundy, "Further experimental evidence of the fractional-order energy equation in supercapacitors," Int. J. Electronics and Communications (AEUE), vol. 78, pp. 209-212, August, 2017.
B. J. Maundy, A. S. Elwakil, S. Ozoguz and H. Yildiz, "Minimal two-transistor multifunction filter design," Int. J. Circuit Theory & Applications, Wiley, (DOI: 10.1002/cta.2319).
T. J. Freeborn, A. S. Elwakil and B. J. Maundy, "Variability of Cole-model bioimpedance parameters using magnitude-only measurements of apples from a two-electrode configuration," Int. J. Food Properties, Taylor & Francis, (DOI:/10.1080/10942912.2017.1300810), 2017.
G. Tsirimokou, C. Psychalinos and A. S. Elwakil, "Electronically tunable fully integrated fractional-order resonator," IEEE Trans. Circuits & Syst.-II, (DOI:10.1109/TCSII.2017.2684710) (in press).
A. Allagui, J. M. Ashraf, M. Khalil, M. Abelkareem, A. S. Elwakil and H. Alawadhi, "All solid-state double-layer capacitors using binderless reduced graphene oxide thin films prepared by bipolar electrochemistry," ChemElectroChem, Wiley, vol. 4, no. 8, pp. 2084-2090, August, 2017.
M. B. ElAmein, A. S. Elwakil and B. J. Maundy, "Wide range grounded nonlinear transconductor and its application as a frequency doubler," Int. J. Electronics, (DOI:10.1080/21681724.2017.1335787), 2017.
A. AboBaker, L. Said, A. Madian, A. S. Elwakil and A. G. Radwan, "Experimental comparison of integer/fractional-order electrical models of plant tissues," Int. J. Electronics and Communications (AEUE), vol. 80, pp. 1-9, Oct. 2017.
P. Bertsias, C. Psychalinos, A. S. Elwakil and B. J. Maundy, "Current-mode capacitorless integrators and differentiators for implementing emulators of fractional-order elements," Int. J. Electronics and Communications (AEUE), vol. 80, no. 10, pp. 94-103, 2017.
B. J. Maundy, A. S. Elwakil and C. Psychalinos, "CMOS realization of all positive pinched hysteresis loops,"Complexity, article 7863095, (doi.org/10.1155/2017/7863095), 2017.
C. Psychalinos, A. S. Elwakil, A. Allagui and A. Tepljakov, "Special issue on recent advances in the design and applications of fractional-order circuits and systems," Int. J. Electronics and Communications (AEUE), vol. 81, pp. 132-135, Nov. 2017.
A. Agambayev, S. Patole, M. Farhat, A. S. Elwakil, H. Bagci and K. N. Salama, "Tunable ferroelectric fractional-order capacitors," ChemElectroChem, Wiley, (DOI: 10.1002/celc.201700663), 2017.
A. Allagui, Z. Said, M. A. Abdelkareem, A. S. Elwakil, M. Yang and H. Alawadhi, "DC and AC performance of graphite films supercapacitors prepared by contact glow discharge electrolysis," J. Electrochemical Society, vol. 164, no. 12, pp. A2539-A2546, DOI: 10.1149/2.1161712jes, 2017.
2016
S. Elwakil and B. J. Maundy, "Calculating output impedance in linear networks without source or load disconnect: The instantaneous output impedance," Int. J. Circuit Theory & Applications, Wiley, vol. 44, no. 1, pp. 98-108, 2016.
Allagui, M. Abdelkareem, H. Alawadhi and A. S. Elwakil, "Reduced graphene oxide thin film on conductive substrates by bipolar electrochemistry," Scientific Reports, Nature, 6, 21281, 2016.
G. Tsirimokou, C. Psychalinos and A. S. Elwakil, "Switched-capacitor fractional-step Butterworth filter design," Circuits Systems and Signal Processing, Springer, vol. 35, no. 4, pp. 1377-1393, 2016.
T. J. Freeborn, A. S. Elwakil and B. J. Maundy, "Approximating fractional-order inverse Chebyshev lowpass filters," Circuits Systems and Signal Processing, Springer, vol. 35, no. 6, pp. 1973-1982, 2016.
S. Elwakil, A. Allagui, B. J. Maundy and C. Psychalinos, "Low frequency oscillator using a super-capacitor," Int. J. Electronics and Communications (AEU), vol. 70, no. 7, pp. 970-973, 2016.
Psychalinos, A. S. Elwakil, A. G. Radwan and K. Biswas, "Guest Editorial: Fractional-Order Circuits and Systems: Theory, Design, and Applications," Circuits Systems and Signal Processing, Springer, vol. 35, no. 6, pp. 1807-1813, 2016.
P. Ahmadi, B. Maundy, A. S. Elwakil, L. Belostotski and A. Madanayake, “A new 2nd–order allpass filter in 130nm CMOS,” IEEE Trans. Circuits & Syst.-II, vol. 63, no.3, pp. 249-253, March, 2016.
T. J. Freeborn, A. S. Elwakil and B. Maundy, "Compact wide frequency range fractional-order models of human body impedance against contact currents," Mathematical Problems in Engineering, Special Issue on Theory and Applications of Fractional Order Systems, vol. 2016, Article ID 4967937, DOI:10.1155/2016/4967937.
S. Elwakil and B. J. Maundy, "Indirect realization of the imaginary resistor jR," Circuits Systems and Signal Processing, Springer, vol. 35, no. 7, pp. 2610-2615, 2016.
M. E. Fouda, A. S. Elwakil, A. G. Radwan and B. J. Maundy, "Fractional-order two-port networks," Mathematical Problems in Engineering, Special Issue on Theory and Applications of Fractional Order Systems, vol. 2016, Article ID 5976301, DOI:10.1155/2016/5976301.
Allagui, A. Roja, T. Bonny, A. S. Elwakil and M. Abdelkareem, "Nonlinear time-series analysis of current signal in cathodic contact glow discharge electrolysis," J. Applied Physics, 119 203303, 2016.
Maundy, A. S. Elwakil and S. Gift, “On a class of cross coupled fully differential filters,” Int. J. Circuit Theory & Applications, Wiley, vol. 44, pp. 1425-1436, July 2016.
Psychalinos, A. S. Elwakil, B. Maundy and A. Allagui, "Analysis and realization of a switched fractional-order-capacitor integrator," Int. J. Circuit Theory & Applications, Wiley, vol. 44, no. 11, pp. 2035-2040, 2016.
M. Fouda, A. S. Elwakil, A. G. Radwan and A. Allagui, "Power and energy analysis of fractional-order electrical energy storage devices," Energy, vol. 111, pp. 785-792, Sept. 2016.
G. Tsirimokou, C. Psychalinos, A. S. Elwakil and K. N. Salama "Experimental verification of on chip CMOS fractional-order capacitor emulators," Electronics Letters, vol. 52, pp. 1298-1300, July 2016.
G. Tsirimokou, C. Psychalinos, T. J. Freeborn and A. S. Elwakil, "Emulation of current excited fractional-order capacitors and inductors using OTA topologies," Microelectronics J., vol. 55, pp. 70-81, Sept. 2016.
Allagui, A. S. Elwakil, B. Maundy and T. J. Freeborn, “Spectral capacitance of series and parallel combinations of super-capacitors,” ChemElectroChem, Wiley, Vol. 3, no. 9, pp. 1429-1436, Sept. 2016.
G. Radwan, B. J. Maundy and A. S. Elwakil, "Fractional-order oscillators," Chapter 3 in Oscillator Circuits, Frontiers in Design, Analysis and Applications, Editor Yoshifumi Nishio, pp. 25-49, IET, Dec. 2016.
Allagui, A. S. Elwakil, T. J. Freeborn and B. J. Maundy, "Reevaluation of performance of electric double-layer capacitors from constant current charge/discharge and cyclic voltammetry," Scientific Reports, Nature, 6:38568, Dec. 2016. (DOI: 10.1038/srep38568).
2015
Allagui and A. S. Elwakil, "On the N-shaped conductance and hysteretic behavior of contact glow discharge electrolysis," Electrochimica Acta, Elsevier, vol. 168, pp. 173-177, 2015.
S. Elwakil and B. J. Maundy, "Second order bandstop and bandpass filters using transformers," Microelectronics J., Elsevier, vol. 46, no. 8, pp. 690-697, 2015.
T. J. Freeborn, A. S. Elwakil and B. J. Maundy, "Fractional-order models of supercapacitors, batteries and fuel cells: A survey," Materials for Renewable and Sustainable Energy, Springer, vol. 4, no. 3, pp. 1-7, 2015.
M. Fouda, A. S. Elwakil and A. G. Radwan, "Pinched hysteresis with inverse-memristor frequency characteristics in some nonlinear circuit elements," Microelectronics J., Elsevier, vol. 46, no. 9, pp. 834-838, 2015.
G. Tsirimokou, C. Psychalinos, A. S. Elwakil and A. Allagui, “Simple non-impedance-based measuring technique for supercapacitors,” Electronics Letters, vol. 51, no. 21, pp. 1699-1701, 2015.
Maundy, A. S. Elwakil and A. Allagui, "Extracting the parameters of the single-dispersion Cole bioimpedance model using a magnitude-only method," Computers and Electronics in Agriculture, vol. 119, pp. 153-157, 2015.
G. Tsirimokou, C. Psychalinos and A. S. Elwakil, "Emulation of a constant phase element using operational transconductance amplifiers," Analog Integrated Circuits & Signal Processing, Springer, vol. 85, (3), pp. 413-423, Dec. 2015.
2014
S. Elwakil and B. J. Maundy, "Mapping of circuit variables into two-port network variables in basic amplifier structures: identifying new topologies," Int. J. Circuit Theory & Applications, vol. 42, no. 11, pp. 1203-1208, 2014.
S. Elwakil, "Clock-driven chaotic pulse-width generators: An overview and demonstration of power supply attack," Int. J. Bifurcation & Chaos, vol. 24, no. 6, pp. 1450079-1450086, June 2014.
S. Elwakil and B. J. Maundy, "Single transistor active filters: What is possible and what is not," IEEE Trans. Circuits & Syst.-I, vol. 61, no. 9, pp. 2517-2524, Sept. 2014.
T. J. Freeborn, B. J. Maundy and A. S. Elwakil, "Extracting the parameters of the double-dispersion Cole bioimpedance model without direct impedance measurement," Medical & Biological Engineering & Computing, Springer, vol. 52, no. 9, pp. 749-758, 2014.
H. Yu, A. S. Elwakil, L. Reyashko, Y. Wang and G. Chen, Guest Editorial, Special Issue on Chaos-Fractals Theories and Applications, Mathematical Problems in Engineering, (http://dx.doi.org/10.1155/2014/567281), 2014.
T. J. Freeborn, B. J. Maundy and A. S. Elwakil, "Approximated fractional-order Chebychev lowpass filters," Mathematical Problems in Engineering, (http://dx.doi.org/10.1155/2014/832468), 2014.
H. Yildiz, A. Toker, A. S. Elwakil and S. Ozoguz, "MOS-only allpass filters with extended operating frequency range,"Analog Integrated Circuits & Signal Processing, Springer, vol. 81, no. 1, pp. 17-22, 2014.
2013
T. J. Freeborn, B. J. Maundy and A. S. Elwakil, Fractional Step Analog Filter Design, Book Chapter in `Analog/RF and Mixed Signal Circuit Systematic Design`, Chapter 11, pp. 243-267, Springer, 2013.
T. J. Freeborn, B. J. Maundy and A. S. Elwakil, "Fractional resonance-based filters," Mathematical Problems in Engineering, (http://dx.doi.org/10.1155/2013/726721), 2013.
S. Elwakil, A. Fouda and A. G. Radwan, "A simple model of double-loop hysteresis behavior in memristive elements", IEEE Trans. Circuits & Syst.-II, vol. 60, pp. 487-491, August 2013.
T. J. Freeborn, B. Maundy and A. S. Elwakil, "Measurement of supercapacitor fractional-order model parameters from voltage-excited step response," IEEE J. Emerging and Selected Topics in Circuits & Systems, vol. 3, pp. 367-376, Sept. 2013.
T. J. Freeborn, B. J. Maundy and A. S. Elwakil, "Cole impedance extractions from the step-response of a current excited fruit sample," Computers and Electronics in Agriculture, Elsevier, vol. 98, pp. 100-108, 2013.
S. Elwakil, B. J. Maundy, L. Fortuna and G. Chen, Guest Editorial, Special Issue on Fractional-Order Circuits and Systems, IEEE J. Emerging and Selected Topics in Circuits and Systems, vol. 3, no. 3, Sept. 2013.
2012
B. J. Maundy and A. S. Elwakil, "Extracting single dispersion Cole-Cole impedance model parameters using an integrator setup," Analog Integrated Circuits & Signal Processing, Springer, vol. 71, no. 1, pp. 107-110, 2012.
B. J. Maundy, A. S. Elwakil and S. Gift, "On the realization of multi-phase oscillators using fractional-order allpass filters," Circuits Syst. & Signal Processing, Springer, vol. 31, pp. 3-17, Feb. 2012.
G. Radwan and A. S. Elwakil, "An expression for the voltage response of a current-excited fractance device based on fractional-order trigonometric identities," Int. J. Circuit Theory & Applications, vol. 40, pp. 533-538, May 2012.
T. J. Freeborn, B. Maundy and A. S. Elwakil, "Least squares estimation technique of Cole-Cole parameters from step response," Electronics Letters, vol. 48, pp. 752-754, June 2012.
P. Ahmadi, B. J. Maundy, A. S. Elwakil and L. Belostotski "High quality factor asymmetric-slope band-pass filters: A fractional-order capacitor approach," IET Circuits Devices & Syst., vol. 6, pp. 141-210, April 2012.
T. J. Freeborn, B. J. Maundy and A. S. Elwakil, "Fractional-step Tow-Thomas Biquad filters," IEICE Nonlinear Theory and its Applications NOLTA, vol. 3, no. 3, pp. 357-374, 2012.
G. Radwan and A. S. Elwakil, "Transient-time fractional-space trigonometry and application", T. Huang et al. (Eds.), Springer Lecture Notes in Computer Science, vol. 7663, pp. 40--47. Springer-Heidelberg, 2012.
Book Chapters and Special Issues
C. Psychalinos, A. G. Radwan, K. Biswas, and A. S. Elwakil (Editors). Special Issue on Fractional-Order Circuits. Circuits Systems and Signal Processing, Springer, in preparation, scheduled for publication April 2016.
H. Yu, A. S. Elwakil, L. Rayashko, Y. Wang, and G. Chen (Editors). Special Issue on Chaos-Fractals Theories and Applications. Mathematical Problems in Engineering, Hindawi, doi:10.1155/2014/567281(ID 567281), 2014.
S. Elwakil, B. J. Maundy, L. Fortuna and G. Chen (Editors). Special Issue on Fractional-Order Circuits and Systems. IEEE J. Emerging and Selected Topics in Circuits and Systems, 3(3), Sept. 2013.
Conference Publications
Dimeas, G. Tsirimokou, C. Psychalinos and A. S. Elwakil, "Realization of fractional-order capacitor and inductor emulators using current feedback operational amplifiers," Proc. Int. Symposium on Nonlinear Theory & Applications NOLTA'15, (accepted), Hong Kong, Dec., 2015.
C. Psychalinos, G. Tsirimokou and A. S. Elwakil, "Digitally programmed fractional-order Chebyshev filter realizations using current-mirrors," Proc. IEEE Symposium on Circuits & Systems ISCAS'15, pp. 2337-2340, Portugal, May, 2015.
L. Alani, M. Foolad , A. Hassan and A. S. Elwakil, "Smart garbage bin," 24th Annual IEEE Canadian Conf. Electrical and Computer Eng., pp. 001493-001494, Toronto, Canada, 2014.
H. Yildiz, A. Toker, A. S. Elwakil and S. Ozoguz, "MOS only all-pass filters modified for low operating frequency range," 8th IEEE Int. Conf. Electrical and Electronics Engineering (ELECO), pp. 36-39, Nov. 2013.
T. J. Freeborn, B. J. Maundy and A. S. Elwakil, "Reducing numerical complexity for Cole impedance extraction from current-step response", IEEE 56th Midwest Symposium on Circuits & Systems, Columbus, Ohio, August 4-7, 2013.
Marathe, B. J. Maundy and A. S. Elwakil, "Design of fractional notch filter with asymmetric slopes and large values of notch magnitude", IEEE 56th Midwest Symposium on Circuits & Systems, Columbus, Ohio, August 4-7, 2013.
T. J. Freeborn, B. J. Maundy and A. S. Elwakil, "Accurate time domain extraction of super-capacitor fractional-order model parameters," Proc. IEEE Symposium on Circuits & Systems ISCAS'13, pp. 2259-2262, China, May, 2013.
T. J. Freeborn, B. J. Maundy and A. S. Elwakil, "Improved Cole-Cole parameter extraction from frequency response using least squares fitting," Proc. IEEE Symposium on Circuits & Systems ISCAS'12, pp. 337-340, Seoul, Korea, 2012.
