Farid Najafi
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   Farid Najafi
Mechanical Engineering Faculty
K. N. Toosi University of Technology
Pardis St., Mollasadra Ave., Vanak Sq.,
Tehran 19991-43344, P.O. Box 19395-1999
IRAN
Tel. (+98)-(21)- 88674747 and 88674841 - 7 (ext. 2209)
Fax. (+98)-(21)- 88674748
Email: fnajafi@kntu.ac.ir
fnajafi@gmail.com
Web Site: www.kntu.ac.ir/mechanical
 		  
  Professional Experiences    
 

Awards and Scholarships

   
 

Research Interests

    
  Teaching    
 

Membership of professional societies

    
 

Publications

    
       

A.    Articles in Peer- Reviewed Journals:

 

  1. Farid Najafi  and  Sergey A. Vorotnikov, “Computer-Aided Design Method for Force/Torque Sensors for Robotic systems”, Journal of Bauman Moscow State Technical University, No.2. 1996.

 

  1. Farid Najafi and Sergey A. Vorotnikov, “Design Method of the Force/Torque Sensors for Robotic Systems”, Journal of Bauman Moscow State Technical University, No.1., 1997.

 

  1. Farid Najafi, Mehran Shirvani, "A New Method in Solving Kinematic Problems of Robots in Singular Configurations", Journal of Faculty of Engineering, University of Tabriz (Iran), No.23 , 1999.
  2. Farid Najafi  and  Farzad Fariba, "Seam-Tracking Sensor for Robot-Welders and Its Working Algorithm", Journal of Welding, Iranian Society of Welding and Nondestructive Evaluations, No.17, Summer 2000.

  3. Farid Najafi, "Automation - a Practical Way  in Vehicle Industry", Journal of  Scientific, Industrial and Commercial Problems of Iran (JAR) , No. 11,  Summer 2000.

  4. Farid Najafi "Human and Robots", Journal of Mechanics of Sharif University of Technology, Vol. 3, No. 6, 2000.

  5. Farid Najafi and Amirhossein Mehvar, "An Algorithm for Determining Feasible Robot's Trajectories for Leaving a singular Point", Journal of Faculty of Engineering, University of Tabriz (Iran), No. 27, 2002.

  6. Ahmad Bagheri, Farid Najafi and Reza Farrokhi "Motion  Dynamics of a Bipedal Walking Robot by Means of a Passive Model", Amirkabir Journal of Science and Technology, Vol. 15, No. 58-B, Spring 2004.
  7. F. Najafi and M. R. Homaenejad “New Mathematical Modeling of Servo-Pneumatic Systems Using Sliding Mode Algorithm for Force-Position Control”, Mechanical and Aerospace Engineering  Journal, Vol. 1, No. 2, Nov. 2005.

 

  1. Ahmad Bagheri, Farid Najafi, Reza Farrokhi, Rahman Yousefi Moghaddam and Mohammad Ebrahimi Felezi, “Design, Dynamic Modification  and Adaptive  Control of a Biped Walking Robot”, International Journal of  Humanoid Robotics, Vol. 3, No. 1, 2006.

 

  1. M. Saadat, R. Sim and F. Najafi, “Prediction of Geometrical Variations in Airbus Wingbox Assembly”, J. of Automation Assembly, Vol. 27, Issue: 4, 2007.

 

  1. F. Najafi and M. Pordel “ Fault detection in a Servo Hydraulic System in Presence of White Noise , Using an Observer “ , Mechanical and Aerospace Engineering Journal, Vol. 3, No. 3 , 2007.

  

  1. F. Najafi and M. Fathi “Position Control of an Experimental Servo Pneumatic Actuator , Using Sliding Mode Control”, Mechanical and Aerospace Engineering Journal, Vol. 3, No. 3 , 2007.

 

  1. S.H. Sadati , M. Karimi-Masooleh and F. Najafi “Speed Control of a Servo Hydraulic Actuator , Using Artificial Neural Networks and Feedback Error Learning Algorithm “, Mechanical and Aerospace Engineering Journal, Vol. 3, No. 3 , 2007.
  2. Saadat M, Sim R, Najafi F, “Modelling and analysis of Airbus wingbox assembly”, Proceedings of the IMechE Part B: Journal of Engineering Manufacture . Volume 222, Number 6 / 2008 , pp. 701-709.

  3.  Karimi M., Najafi F., Sadati S.H., and Saadat M., “Application of Flexible Structure Artificial Neural Network on a Servo Hydraulic Rotary Actuator", International Journal of Advanced Manufacturing Technology, Volume 39, Numbers 5-6 / November, 2008 pp. 559-569. 

  4. Najafi F., Fathi M. and Saadat M., “Performance improvement of a PWM- sliding mode position controller used in pneumatic actuation, International J. of Automation and Soft Computing, Vol. 15, No.1, 2009, pp. 73-84.

  5. Saadat M, Cretin L, Sim R, Najafi F, “Deformation analysis of large aerospace components during assembly”, International Journal of Advanced Manufacturing Technology, Volume 41, Numbers 1-2 / March, 2009, pp. 145-155.

 

  1.  Taghizadeh M., Ghaffari A. and Najafi F. "Modeling and identification of a solenoid valve for PWM control applications “ Comptes  Rendus Mecanique,vol.337,pp.131- 140, 2009.

 

  1.  Taghizadeh M, Ghaffari A. and  Najafi F. ”Improving dynamic performances of OWM- driven servo- pneumatic systems via a novel pneumatic cireuit” ISA Transaction, vol.48, pp. 512-518 , 2009.

 

  1. Taghizadeh M., Najafi F.and Ghaffari A. ” Increased tracking ability of PWM- driven pneumatic servo systems via a modified pneumatic circuit” Elecrtical Engineering, vol.91, pp.79-87, 2009.

 

  1. F. Najafi , M. Karimi, and M. Ghayour "Optimal Trajectory Planning and Obstacle Avoidance of a Manipulator in the Presence of Ellipsoidal Obstacles Using Genetic Algorithms", Journal of Tarbiat Moddaress – Mechanical Engineering, Vol. 10, No. 4, 2009.

 

  1. Taghizadeh M., Najafi F. and  Ghaffari A, ”Multimodel PD.control of a pneumatic actuator under variable loads “ Int.J.Adv. Manuf. Technol, Volume 48, Numbers 5-8, 2010, pp. 655-662.

 

  1. M. H. Toufighi, S. H. Sadati and F. Najafi, "Model-based fault diagnosis of a pump-displacement-controlled actuator with a multidisciplinary approach using bond graph", International Journal of Multiphysics , Vol. 4, No. 1, 2010.

 

  1.  M. Hasan Tofighi, Hadi Sazgar , Farid Najafi , S. Hossein Sadati, "Modeling and Experimental Identification of a rotary Servo-Hydraulic System in Presence of Noise and Structural Uncertainties ", Journal of Control , Vol. 3, No. 4 , 2010, pp. 1-10.

 

  1. Nima Enayati and Farid Najafi “Design and Manufacturing of a tele-operative Rescue Robot With a Novel Track Arrangement”, International Journal of Industrial Robot , Vol. 38 , No. 5 , 2011 , pp. 476-485.

 

 

B.     Articles in Conferences:

  1. Najafi F., “New Method for Automated Grinding Process by Robots”,  Proc. of 2nd Conf. of  Production & Manufacturing Engineering, Tehran, 1995.

  1. Farid Najafi and Farzad Fariba "Design of  Sensor for Correcting Seam- Tracking of a Robot-Welder",  Proc. Of  7th Annual Conf. of Iranian Society of  Mechanical Engineers,  Zahedan, Iran May 15-17, 1999.

 

  1. Farid Najafi and Mehran Shirvani, “Singular Points in Robot Kinematics”, Proc. of 4th International and 8th Annual Conf. of Iranian Society of Mechanical Engineers, Tehran, Iran Vol. 1., May 16-19, 2000,.

 

  1. Farid Najafi “New Criterion in Optimum Design of Force/Torque Sensors For  Industrial  Robots”, Proc. of 4th International and 8th Annual Conf. of Iranian Society of Mechanical Engineers, Tehran, Iran, Vol. 1, May 16-19, 2000,.

 

  1.  Farid Najafi, "Existing  Relation  Problems Between Industries and Universities", Proc. of  the 2nd International and the 5th Annual (National) Congress on Government, University and Industry Cooperation for National   Development, Tehran -Iran, May 20-22 ,2000.

 

  1. Farid Najafi , and Behnam Kabiri,  "Optimum Design of Force/Torque Sensors for Industrial Robots", Proc. of 32nd International Symposium on Robotics (ISR2001),  Seoul , Korea April 19-21, 2001.

 

  1. Farid Najafi, Farshid Najafi and Navid Sadri " Loader-Unloader System For Press-Shops", Proc. of 10th International Conference on Mechanical Engineering, Tehran - Iran, 25-27 May , 2002.

 

  1. Roushanian J. and Najafi F., "A Simplified Methodology for the Synthesis of Adaptive Flight Control systems", WSEAS International Conf. on Electronics, Control, and Signal Processing, Singapore, December 9-12, 2002.

 

  1. Farid Najafi, Aliasghar Jafari, and S. Saeed Z. Tabatabaee " Error Analysis in Linear Vibrational Modeling of Mc-Pherson Suspension Mechanism",  Proc. of 11th International Conference on Mechanical Engineering,  Mashhad -Iran, 13-15 May  2003.

 

  1. Farid Najafi, Mohammad Teshnehlab, and Ehsan Falsafi "Dynamic Equations for a Ten Degrees of Freedom Walking Robot ", Proc. of 11th International Conference on Mechanical Engineering, Mashhad - Iran, 13-15 May 2003.
  1. Farid Najafi, Ahmad Bagheri and Reza Farrokhi, "Adaptive Control Algorithm for Single – Support Phase of Motion of a New Biped Robot", Proc. of the 9th IEEE International Conf. on Methods and Models in Automation and Robotics (MMAR2003), 25-28 Aug. 2003.
  1. F. Najafi, A. Bagheri, and R. Farrokhi, "Design and Simulation analysis of a New Planar Biped Robot", 6th International Conf. on Climbing and Walking Robots (CLAWAR2003), , 17-19 September 2003.

 

  1. S. Saied Z. Tabatabaee and Farid Najafi, "Design of Neural Network based Controller for a Active Suspension System of a Car", Proc. of 12th  International Conference on Mechanical Engineering, Tehran – Iran, 18-20 May 2004.

 

  1. Farid Najafi and Ehsan Falsafi, "Trajectory Generation for a New Bipedal Robot With Ten Degrees of Freedom", Proc. Of 5th IFAC/EURON Symposium on Intelligent Autonomous Vehicles (IAV2004), Lisbon Portugal 5-7 July 2004.

 

  1. Bagheri A., Najafi F., Farrokhi R., Alitavoli M., and Yousefi Moghadam R "Dynamic Simulation of a Bipedal Walking Robot by Means of a Passive Model", Proc. Of Complex Systems Intelligence and Modern Technological Applications Conference (CSIMTA’04), Cherbourg – France, September 19-22, 2004.

 

  1. Farid Najafi,and Mohammad Reza Homaienejad “Mathematical Modeling of New a Servo-Pneumatic System By Use of Sliding Mode Control Algorithm For Position and Force Control”, The 13th International Conf. on Mechanical Engineering, Isfahan – Iran May 2005.

 

  1. Ehsan Falsafi, Farid Najafi and Mohammad Teshnelab “Application of Flexible Sigmoid Function in a Walking Robot Neuro Controller”, The 13th International Conf. on Mechanical Engineering, Isfahan – Iran, May 2005.

 

  1. M. Saadat, R. Sim and F. Najafi, “Prediction of Geometrical Variations in Airbus Wingbox Assembly”, J. of Automation Assembly, Vol. 27, Issue: 4, 2007.

 

  1. Karimi M., Najafi F. And Ghayour M., “Optimal and Collision Free Path Planning of Robot Manipulator Around Ellipsoidal Obstacles by the Genetic Algorithm”, The 15th International Conf. on Mechanical Engineering, Tehran – Iran, May 2007.

 

  1. Moradinasab M., Nahvi A., and Najafi F., “Arc Welding Simulator Design”, The 15th International Conf. on Mechanical Engineering, Tehran – Iran, May 2007.

 

  1. Karami R., Najafi F., and  Aliyari Sh. M., “Model Based Identification and Fault Detection of  an  Active Suspension System ", Fifth IFAC Symposium on Advances in Automotive  Control, California, USA, 2007.

 

  1. Toufighi, M.H., Sadati, S.H.,  Najafi, F.,   “Modeling and Analysis of a Mechatronic   Actuator  System by Using Bond Graph Methodology”, IEEE  Aerospace Conference Montana USA , 2007.

 

  1. S. Z. Tabatabaee  and F. Najafi “ Control of an Active Suspension System Using Optimal Controller and Kalman Filter “ , The 16th International Conf. on Mechanical Engineering, Kerman– Iran , May 2008.

 

  1.  F. Najafi , A. Zaringhalam, M. Abdolahzadeh and M. Fathi “ Fuzzy Position Control System for Servo Pneumatic Actuator Using PWM Algorithm “ , The 16th International Conf. on Mechanical Engineering, Kerman – Iran, May 2008.

 

  1. H. Sazgar and F. Najafi “ Adaptive Optimal Controller System for Fatigue Testing Equipment “ , The 17th International Conf. on Mechanical Engineering, Tehran – Iran, May 2009.

 

  1. F. Najafi ,  “ Optimized  Sliding Mode Controller System for a Pneumatic Servo Hydraulic Actuator Using Genetic Algorithm”, The 17th International Conf. on Mechanical Engineering, Tehran – Iran, May 2009.

 

  1. H. Sazgar , M.H. Tofighi, F. Najafi and S. H. Sadati “ Experimental Identification of Parameters of a Rotary Servo Hydraulic Actuator and Analysis of State Variables on Identification Results”, The 18th International Conf. on Mechanical Engineering, Tehran – Iran, May 2010.

 

  1. N. Garmsiri and F. Najafi “ Application of a Brain Emotional Learning Controller on for Admittance Control of  a Rehabilitation Robot “,The 18th International Conf. on Mechanical Engineering, Tehran – Iran, May 2010.

 

  1. N. Garmsiri and F. Najafi “ Fuzzy Tuning of Brain Emotional Learning Based Intelligent Controllers “, Proc. Of the 8th World Congress on Intelligent Control and Automation, Jinan , China , July 6-9 , 2010 (IEEE 2010).