Sajad Jafari, Ph.D.
https://www.researchgate.net/profile/Sajad_Jafari3
Education
Sep 2008 – Feb 2013
Sep 2005 – May 2008
Sep 2001 – Sep 2005
Amirkabir University of Technology
Doctor of Philosophy (Ph.D.), Biomedical Engineering
Tehran, Iran
Amirkabir University of Technology
Master of Science (MSc), Biomedical Engineering
Tehran, Iran
Amirkabir University of Technology
Bachelor's degree, Biomedical Engineering
Tehran, Iran
Journal Publications
Razieh Falahian, Maryam Mehdizadeh Dastjerdi, Malihe Molaie, Sajad Jafari, Shahriar Gharibzadeh:
Artificial neural network based modeling of brain response to flicker light. Nonlinear Dynamics 05/2015;
DOI:10.1007/s11071-015-2118-x
Fadhil Rahma Tahir, Sajad Jafari, Viet-Thanh Pham, Christos Volos, Xiong Wang: A Novel No-Equilibrium
Chaotic System with Multiwing Butterfly Attractors. International Journal of Bifurcation and Chaos
04/2015; 25(4). DOI:10.1142/S021812741550056X
Yasser Shekofteh, Sajad Jafari, Julien Clinton Sprott, S. Mohammad Reza Hashemi Golpayegani, Farshad
Almasganj: A Gaussian Mixture Model Based Cost Function for Parameter Estimation of Chaotic Biological
Systems. Communications in Nonlinear Science and Numerical Simulation 02/2015; 20(16):469–481.
DOI:10.1016/j.cnsns.2014.05.028
Sajad Jafari, J. C. Sprott: Reply to Comments on "Simple chaotic flows with a line equilibrium" [Chaos, Solitons &
Fractals 57 (2013) 79-84]. Chaos Solitons & Fractals 01/2015;
Mohammad Shahzad, Viet-Thanh Pham, M. Ayaz Ahmad, Sajad Jafari, Fatemeh Hadaeghi:
Synchronization and circuit design of a chaotic system with coexisting hidden attractors. The European
Physical Journal Special Topics 01/2015;
Abdulhamid Zahedi, Sahbasadat Rajamand, Sajad Jafari, Mohammadreza Rajati: A Novel Multiuser
Detector Based on Restricted Search Space and Depth-First Tree Search Method in DS/CDMA
Communication Systems. Wireless Personal Communications 01/2015;
Golnaz Baghdadi, Sajad Jafari, J. C. Sprott, Farzad Towhidkhah, Seyed Mohammad Reza Hashemi
Golpayegani: A Chaotic Model of Sustaining Attention Problem in Attention Deficit Disorder.
Communications in Nonlinear Science and Numerical Simulation 01/2015; 20(1):174–185.
DOI:10.1016/j.cnsns.2014.05.015
Sajad Jafari, J. C. Sprott, Fahimeh Nazarimehr: Recent New Examples of Hidden Attractors. The European
Physical Journal Special Topics 01/2015;
Viet-Thanh Pham, Christos Volos, Sajad Jafari, Xiong Wang, Sundarapandian Vaidyanathan: Hidden
hyperchaotic attractor in a novel simple memristive neural network. Journal of Optoelectronics and
Advanced Materials 12/2014; 8(11-12).
Viet-Thanh Pham, Sajad Jafari, Christos Volos, Xiong Wang, S. Mohammad Reza Hashemi Golpayegani:
Is that Really Hidden? The Presence of Complex Fixed-Points in Chaotic Flows with No Equilibria.
International Journal of Bifurcation and Chaos 11/2014; 24(11). DOI:10.1142/S0218127414501466
Sajad Jafari, Julien. C. Sprott, Viet-Thanh Pham, S. Mohammad Reza Hashemi Golpayegani, Amir
Homayoun Jafari: A New Cost Function for Parameter Estimation of Chaotic Systems Using Return Maps
as Fingerprints. International Journal of Bifurcation and Chaos 10/2014; 24(10):1450134.
DOI:10.1142/S021812741450134X
V.-T. Pham, Christos Volos, S. Jafari, X. Wang: Generating a Novel Hyperchaotic System out of Equilibrium.
Journal of Optoelectronics and Advanced Materials 06/2014; 8(5-6):535-539.
S. T. Kingni, S. Jafari, H. Simo, P. Woafo: Three-dimensional chaotic autonomous system with only one stable
equilibrium: Analysis, circuit design, parameter estimation, control, synchronization and its fractional-order
form. European Physical Journal Plus 05/2014; 129(5):1-16. DOI:10.1140/epjp/i2014-14076-4
Malihe Molaie, Razieh Falahian, Shahriar Gharibzadeh, Sajad Jafari, Julien C Sprott: Artificial neural
networks: powerful tools for modeling chaotic behavior in the nervous system. Frontiers in Computational
Neuroscience 04/2014; 8:40. DOI:10.3389/fncom.2014.00040
Viet-Thanh Pham, Christos Volos, Sajad Jafari, Zhouchao Wei, Xiong Wang: Constructing a Novel NoEquilibrium Chaotic System. International Journal of Bifurcation and Chaos 01/2014; 24(5).
DOI:10.1142/S0218127414500734
S. Sepehr Tabatabaei, Mohammad Javad Yazdanpanah, Sajad Jafari, Julien Clinton Sprott: Extensions in
Dynamic Models of Happiness: Effect of Memory. 01/2014; DOI:10.1504/IJHD.2014.066120
Seng-Kin Lao, Yasser Shekofteh, Sajad Jafari, Julien Clinton Sprott: Cost Function Based on Gaussian Mixture
Model for Parameter Estimation of a Chaotic Circuit with a Hidden Attractor. International Journal of
Bifurcation and Chaos 01/2014; 24(1):1450010. DOI:10.1142/S0218127414500102
Sajad Jafari, J. C. Sprott: Simple chaotic flows with a line equilibrium. Chaos Solitons & Fractals 12/2013;
57:79-84. DOI:10.1016/j.chaos.2013.08.018
Malihe Molaie, Sajad Jafari, Mohammad Hasan Moradi, J. C. Sprott, S. Mohammad Reza Hashemi
Golpayegani: A Chaotic Viewpoint on Noise Reduction from Respiratory Sounds. Biomedical Signal
Processing and Control 12/2013; DOI:10.1016/j.bspc.2013.10.009
Malihe Molaie, Sajad Jafari, Julien Clinton Sprott, S. Mohammad Reza Hashemi Golpayegani: Simple
chaotic flows with one stable equilibrium. International Journal of Bifurcation and Chaos 11/2013;
23(11):1350188. DOI:10.1142/S0218127413501885
Sajad Jafari, Seyed M R Hashemi Golpayegani, Shahriar Gharibzadeh: Is there any geometrical information in
the nervous system?. Frontiers in Computational Neuroscience 08/2013; 7:121.
DOI:10.3389/fncom.2013.00121
S. Jafari, S. M. R. H. Golpayegani, A. Daliri: Comment on ‘Parameters identification of chaotic systems by
quantum-behaved particle swarm optimization’ [Int. J. Comput. Math. 8612 2009, pp. 2225–2235].
International Journal of Computer Mathematics 05/2013; 90(5):903-905.
DOI:10.1080/00207160.2012.743651
S. Rasoul Molaei, Reza Jafari, Sajad Jafari, Hamid Reza Abdolmohammadi: Optimization of a Nonlinear
Electrical-Thermal Model of the Skin. Biomedical Engineering Applications Basis and Communications
04/2013; DOI:10.4015/S1016237213500397
Sajad Jafari, S. M. Reza H. Golpayegani, Mansour R. Darabad: Comment on “Parameter identification and
synchronization of fractional-order chaotic systems” [Commun Nonlinear Sci Numer Simulat 17 (2012) 305316]. Communications in Nonlinear Science and Numerical Simulation 03/2013;
DOI:10.1016/j.cnsns.2012.07.020
Sajad Jafari, Zohreh Ansari, Seyyed Mohammad Reza Hashemi Golpayegani, Shahriar Gharibzadeh: Is
Attention a “Period Window” in the Chaotic Brain?. The Journal of neuropsychiatry and clinical
neurosciences 03/2013; 25(1):E05. DOI:10.1176/appi.neuropsych.11120366
Sajad Jafari, Seyyed Mohammad Reza Hashemi Golpayegani, Amir Homayoun Jafari, Shahriar
Gharibzadeh: A Novel Viewpoint on Parameter Estimation in a Chaotic Neuron Model. The Journal of
neuropsychiatry and clinical neurosciences 03/2013; 25(1):E19.
DOI:10.1176/appi.neuropsych.12010012
Sajad Jafari, Golnaz Baghdadi, S M Reza H Golpayegani, Farzad Towhidkhah, Shahriar Gharibzadeh: Is
Attention Deficit Hyperactivity Disorder a Kind of Intermittent Chaos?. The Journal of neuropsychiatry
and clinical neurosciences 03/2013; 25(2):E02. DOI:10.1176/appi.neuropsych.12040079
S. Jafari, S. M. Reza Hashemi Golpayegani, A. H. Jafari: A novel noise reduction method based on geometrical
properties of continuous chaotic signals. Scientia Iranica 01/2013; DOI:10.1016/j.scient.2012.10.032
Sajad Jafari, J. C. Sprott, S. Mohammad Reza Hashemi Golpayegani: Elementary quadratic chaotic flows with
no equilibria. Physics Letters A 01/2013; 377(9). DOI:10.1016/j.physleta.2013.01.009
A. Zahedi, H.R. Bakhshi, Sajad Jafari, H.R. Abdolmohammadi, M.R. Rajati: A novel low complexity multiuser
detector based on modified genetic algorithm in Direct Sequence-Code Division Multiple Access
communication systems. Scientia Iranica 01/2013;
S. Jafari, H.R. Abdolmohammadi, F. Almasganj, Z. Shourgashti, M.R. Rajati: A new approach to experimental
design for function approximation and classification: The twilight method. Scientia Iranica 12/2012;
19(6):1731–1737. DOI:10.1016/j.scient.2012.10.017
Sajad Jafari, S. M. Reza Hashemi Golpayegani, Amir H. Jafari, Shahriar Gharibzadeh: Some remarks on
chaotic systems. International Journal of General Systems 04/2012; 41(3).
DOI:10.1080/03081079.2012.664855
Sajad Jafari, S M Reza Hashemi Golpayegani, Amir H Jafari: Is Stretching and Folding Feature of Chaotic
Trajectories Useful in Adaptive Local Projection?. 04/2012; 2(2):112-3.
M.E. Nazari, M.M. Ardehali, S. Jafari: Pumped-storage unit commitment with considerations for energy demand,
economics, and environmental constraints. Energy 10/2010; 35(10):4092-4101.
DOI:10.1016/j.energy.2010.06.022
M.E Nazari, M.M. Ardehali, S. Jafari: A Novel Optimization Methodology for Multi-Constraint Unit
Commitment of Thermal Generating Units with Considerations for Hydro Pumped Energy Storage.
Conference Proceedings
S. Jafari, H.R. Abdolmohammadi, M.E. Nazari, H.A. Shayanfar: A new approach for global optimization in
high dimension problems. Power and Energy Society General Meeting - Conversion and Delivery of
Electrical Energy in the 21st Century, 2008 IEEE; 08/2008
S Jafari, H R Abdolmohammadi, M R Rajati, S A S Salehi, S Gharibzadeh: A Modified Artificial Immune
System for Data Classification. 16th Iranian conference on electrical engineering; 01/2008
Mohammad Esmaeil Nazari, Morteza Mohammadi Ardehali, Sajad Jafari, Hamid Reza
Abdolmohammadi: Development of New Approaches for Applying Genetic Algorithm to Unit
Commitment and Economic Dispatch Problems. Second Joint Congress on Fuzzy and Intelligent
Systems, Iran; 01/2008
M Borjkhani, Sajad Jafari, Farzad Towhidkhah, Hamidreza Abdolmohammadi: ‫يک کمک به شيزوفرني تشخيص‬
‫بيماران نوشته دست در قلم حرکت از شده استخراج الگوهاي اساس بر جديد مصنوعي ايمني سيستم‬. 16th Iranian conference on
electrical engineering; 01/2008
Sajad Jafari, Hamidreza Abdolmohammadi, Hussein Eliasi, Mohammad Bagher Menhaj: ‫جديد هوشمند روش يک‬
‫سازي مدل جهت داده استخراج‬. 16th Iranian conference on electrical engineering; 01/2008
Mohammad Esmaeil Nazari, Sajad Jafari, Hamidreza Abdolmohammadi, Morteza Mohammadi Ardehali:
‫الکتريکي انرژي واحدهاي مشارکت ريزي برنامه براي جديد تکاملي الگوريتم يک‬. 16th Iranian conference on electrical
engineering; 01/2008
Sajad Jafari, Hamid Reza Abdolmohammadi, Heydar Ali Shayanfar, Mohammad Esmaeil Nazari: ‫يک با‬
‫ جديد ژنتيک الگوريتم‬CHP ‫سيستمهاي در بار اقتصادي پخش مسأله حل‬. 16th Iranian conference on electrical
engineering; 01/2008
Hamidreza Abdolmohammadi, Sajad Jafari, Heydarali Shayanfar: ‫در با نيروگاهی واحدهای توليدی هزينه سازی بهينه‬
‫بخار شيرهای اثر گرفتن نظر‬. icee 2008; 01/2008
Hamid Reza Abdolmohammadi, Sajad Jafari, Mohammad Esmaeil Nazari, Heidar Ali Shayanfar: A Bioinspired Evolutionary Algorithm for Combined Heat and Power Economic Dispatch Problems. Second Joint
Congress on Fuzzy and Intelligent Systems, Iran; 01/2008
H. R. Abdolmohammadi, S. Jafari, M. R. Rajati, M. E. Nazari: A Bio-inspired Genetic Algorithm Applied to a
Constrained Optimization Problem in Power Systems. First Joint Congress on Fuzzy and Intelligent
Systems, Ferdowsi University of Mashhad, Iran; 08/2007
Ayoub Daliri, Sajad Jafari, Mohammad Hasan Moradi: ‫مدل از استفاده با قلب ضربان نرخ پذيري تغيير سيگنال بيني پيش‬
‫فازي ديناميكي تطبيقي سازي‬. First Joint Congress on Fuzzy and Intelligent Systems, Ferdowsi University of
Mashhad, Iran; 08/2007
Sajad Jafari, Hamidreza Abdolmohammadi, Mohammad Esmaeil Nazari, Seyed Ali Seyedsalehi, Shahryar
Gharibzadeh: ‫الكتريكي بارهاي برهمكنش از الهام با مصنوعي ايمني سيستم كمك به دادگان بندي طبقه جديد روش يك‬. ICBME
2007; 01/2007