Amir Lotfavar
Academic Appointments
- Associate Professor of the School of Mechanical and Aerospace Engineering
- Associate Dean of the School & Head of the Department of Solid Mechanics
- Secretary of the University Academic Promotion Committee
- Member of the University Research and Technology Council
- Member of the University Evaluation and Supervision Council
Honors & Awards
- Distinguished Professor for Teaching, 2012-2014
- Distinguished Professor for Research, 2013
Contact
Email:
lotfavar@sutech.ac.ir
Professional Education
Ph.D. in Mechanical Engineering
- Department of Mechanical Engineering, School of Engineering, Shiraz University, Shiraz, Iran.
- Dissertation: “Trajectory Tracking and Vibration Suppression of Flexible Objects Handled by Cooperating Robot Manipulators via Two-Time Scale and Boundary Control Methods“
M.Sc. in Mechanical Engineering-Applied Mechanics
- Department of Mechanical Engineering, School of Engineering, Shiraz University, Shiraz, Iran.
- Thesis: “The Backstepping Control Method and Its Application in Control of a Robot Manipulator“
B.Sc. in Mechanical Engineering-Solid Mechanics
- Department of Mechanical Engineering, School of Engineering, Shiraz University, Shiraz, Iran.
- Final Project: “Design of a Stabilizing Control System for a Hovercraft via Its Fuel Transmission System“
Courses
Undergraduate
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Graduate & Post-Graduate
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Current Research
Robotics & Control
- Robotics for Human Life: Modeling and Control of Medical Robots, Continuum Robots for Minimally Invasive Surgeries and Exoskeletons for Rehabilitation and Power Augmentation
- Modeling and Control of Industrial Manipulators: Serials and Cabled Parallel Robots
- Modeling and Control of Unmanned Aerial Vehicles
- Developing and Implementing Control Theories: Nonlinear, Two-Time Scale, Boundary, Backstepping and Adaptive Control Methods
- Modeling and Control of Mechanical and Dynamical Systems
Mechanical Vibrations & Design
- Manipulation and Vibration-Free Trajectory Tracking of Flexible Objects
- Analytical Approximate Solution for Nonlinear Vibrational Systems
- Mechanism Design and Deployable Systems
All Publications
Book
- Fundamentals of Engineering Drawing, Shiraz University of Technology, 2010. (In Persian)
Supervised Theses
- Atosa Davarpanah, "Configuration Optimization of a Concentric Tubes Continuum Robot using Genetic Algorithm", 2016
- Abbas Rezazadeh, "Crack Identification in Rotating Shaft using Inverse Acoustic Method", 2015
- Jafar Dehghan, "Using Inverse Acoustics Methods to Identify the Location of Buried Polyethylene Gas Pipes", 2015
- Mohammad Nasiri, "Investigation of the Elongation Effect on the Dynamics and Control of Cable Based Robots", 2013
- Hossein Haghgoo, "Simulation and Control of a Bipedal Robot via Dynamic Neural Network", 2013
- Zahra Hosseini Babanari, "Dynamic Modeling and Control of a Lower-Limb Exoskeletons Robot", 2013
- Nima Kohansion, "Investigation of the Cable Mass Effects on the Dynamics and Control of Cable Based Robots", 2013
- Amir Hossein Mosalae, "Three-Dimensional Vibration Suppression of a Euler-Bernoulli Beam via Boundary Control Method", 2013
- Hossein Rafieipour, "Nonlinear Vibration Analysis of Beams and Plates Made of Advanced Materials using Approximate Analytical Methods", 2012
- Mahmood Zarebidoki, "Dynamics and Control of Non-Redundant Cable-Based Robots with and without Motors Dynamics", 2011
Journal Papers
- Eghtesad M., Mohseni M., and Lotfavar A., "An Adaptive Robust Control Method for Trajectory Tracking of a 5 DOF RLED Robot Manipulator", IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE), Vol. 13(5-I), Sep. - Oct. 2016, p. 127-136.
- Lotfavar A., Rafieipour H., Hamzeh Shalamzari S., Mohamadi T., "Nonlinear Vibration Analysis of Laminated Composite Plates via Two Approximate Analytical Methods", Iranian Journal of Mechanical Engineering, Vol. 1(17), 2015, p.16-39. (ISC, in Persian)
- Lotfavar A. and Mosalaeifard A.H., "Three-Dimensional Vibration Suppression of a Euler-Bernoulli Beam via Boundary Control Method" International Journal of Engineering, Vol. 28(5), May 2015, p.755-763. (ISC)
- Rafieipour H., Lotfavar A. and Masroori A., "Analytical Approximate Solution for Nonlinear Vibration of Microelectromechanical System using HE's Frequency Amplitude Formulation", Iranian Journal of Science and Technology (IJST) Transaction of Mechanical Engineering, Vol. 37(M2), May 2013, p.83-90. (ISI)
- Rafieipour H., Lotfavar A., Masroori A., Mahmoodi E., "Application of Laplace Iteration Method to Study of Nonlinear Vibration of Laminated Composite Plates", Latin American Journal of Solids and Structures, Vol. 10(4), July 2013, p.781-795. (ISI)
- Rafieipour H., Lotfavar A., Hamzeh Shalamzari S., "Nonlinear Vibration Analysis of Functionally Graded Beam on Winkler-Pasternak Foundation under Mechanical and Thermal Loading via Homotopy Analysis Method", The Modares Journal of Mechanics Engineering, Vol. 12(5), 2012, p.87-1015. (ISC, in Persian)
- Rafieipour H., Lotfavar A. and Mansoori M.H., "New Analytical Approach to Study of Nonlinear Behavior of Asymmetrically LCBs on Nonlinear Elastic Foundation under Axial and Thermal Loading", Latin American Journal of Solids and Structures, Vol. 5(9), October 2012, p.531-545. (ISI)
- Zarebidoki M., Lotfavar A., and Fahham H.R., "Dynamic Modeling and Adaptive Control of a Cable-suspended Robot", Lecture Notes in Engineering and Computer Science, Vol. 2190 (3), July 2011, p.2469-2473.
- Lotfavar A., Rafieipour H. and Latifizadeh H., "Application of the General Variational Iteration Method to a Nonlinear System", Lecture Notes in Engineering and Computer Science, Vol. 2190 (3), July 2011, p.182-185.
- Najafi A., Eghtesad M., Daneshmand F. and Lotfazar A., "Boundary Stabilization of Parachute Dams in Contact with Fluid", ASME Journal of Vibration and Acoustics, Vol.133, Nov. 2011, p.061009. (ISI)
- Jaberi, Abbasi H., Saki N., Lotfazar A., Ensafdaran A., Saki S. and Jaberi M.M., “A Modification of Tibial Inlay Fixation in Posterior Cruciate Ligament Reconstruction by Interference Screw: A Biomedical Study on Calf Tibial Bone Model", Archive of Orthopedic Trauma Surgery, DOI 10.1007/s00402-008-0734-3. (ISI)
- Lotfazar A., Eghtesad M., Najafi A. and Ashrafzadeh S. "Trajectory Tracking and Vibration Suppression for General Spatial Motion of a Flexible Plate via Two-time Scale and Boundary Control Methods", Journal of Vibration and Control, September 2010, Vol. 16, No 10. p.1465-1501. (ISI)
- Lotfazar A., Eghtesad M., "Exponential Stabilization of Transverse Vibration and Trajectory Tracking for General In-plane Motion of a Euler-Bernoulli Beam Via Two-Time Scale and Boundary Control Methods", ASME Journal of Vibration and Acoustics, Vol.131, 2009, p.054503. (ISI)
- Lotfazar A., Eghtesad M., Najafi A., "Vibration Control and Trajectory Tracking for General In-plane Motion of a Euler-Bernoulli Beam Via Two-Time Scale and Boundary Control Methods", ASME Journal of Vibration and Acoustics, Vol.130, 2008, p.051009. (ISI)
- Lotfazar A., Eghtesad M., "Application and Comparison of Passivity Based and Integrator Backstepping Control Methods for Trajectory Tracking of a 5 DoF Robot Manipulator Incorporating Motor Dynamics", International Journal of Robotics and Automation, Vol.22, No. 3, 2007. (ISI)
- Lotfazar A., Eghtesad M., and Mohseni M., "Integrator Backstepping Control of a 5 DoF Robot Manipulator Incorporating with Cascaded Dynamics", International Journal of Engineering, Transaction B: Applications, Vol.16, No. 4, December 2003, p.373-383. (ISC)
- Eghtesad M., Lotfavar A., and Afkar J., "Study and Design of a Stability Control System for a Hovercraft Model via Its Fuel System", Pajoheshyar, Spring 2000, p.79-90. (In Persian)
Conference Papers & Presentations
- Davarpanah A., Tavakolpour A.R. and Lotfavar A., "Kinematic Modeling of Concentric Tube Continuum Robots", International Conference on the New Research in Industrial and Mechanical Engineering, September 2016, Tehran, Iran. (In Persian)
- Davarpanah A., Tavakolpour A.R. and Lotfavar A., "Optimization of Initial Curvatures of a Concentric Tube Continuum Robot for a Specific Path", International Conference on the New Research in Industrial and Mechanical Engineering, September 2016, Tehran, Iran. (In Persian)
- Rouzegar J., Lotfavar A. and Abad F., "Identification Free Vibration Analysis of FG Plate with Piezoelectric Layer on Elastic Foundation Using Refined Shear Deformation Theory", Proceedings of the 23th Annual International Iranian Mechanical Engineering Conference, ISME2015, May 11-3, Tehran, Iran.
- Rezazadeh A., Dehghan J., Lotfavar A. and Kojorimanesh M., "Identification of the Imposed Force on a Stationary Airfoil Model via Inverse Acoustics", Proceedings of the 22nd Annual International Iranian Mechanical Engineering Conference, ISME2014, May 7-9, Ahwaz, Iran. (In Persian)
- Dehghan J., Rezazadeh A., Lotfavar A. and Kojorimanesh M., "Identification of the location of a Buried Polyethylene Pipes via Inverse Acoustics", Proceedings of the 22nd Annual International Iranian Mechanical Engineering Conference, ISME2014, May 7-9, Ahwaz, Iran. (In Persian)
- Haghgoo H., Hosseini B.A. Z., Lotfavar A. and Tavakolpour A.R., "Simulation of Human Walking via Parallel Dynamic Neural Network", Proceedings of The 22nd Annual International Iranian Mechanical Engineering Conference, ISME2014, May 7-9, Ahwaz, Iran. (In Persian)
- Nasiri M., and Lotfavar A., "Investigation of Cable Elongation on the Dynamics and Control of a Cable Based Robot", Proceedings of the 1st National Conference on Recent Development of Electrical and Robotic Industries, 2013, November 6, Tehran, Iran. (In Persian)
- Madari A., Farid M., Eghtesad M. and Lotfavar A., "Study the Effects of Cable Physical Parameters of Cable Robots on Their Positioning Accuracy", Proceedings of The 21st Annual International Iranian Mechanical Engineering Conference, ISME2013, May 7-9, Tehran, Iran. (In Persian)
- Tavakolpour A.R. and Lotfavar A., "System Identification of a Piezo-Actuated Flexible Plate Structure Using Artificial Neural Networks", Proceedings of The International Conference on Mechanical Engineering and Advanced Technology, ICMEAT2012, October 10-12, Isfahan, Iran.
- Lotfavar A., Mahmoodi E. and Rafieipour H., "Analytical Solution for Nonlinear Oscillation with Sinusoidal Nonlinearity Using the Chebyshev Polynomials and Variational Approach", Proceedings of The 20th Annual International Iranian Mechanical Engineering Conference, ISME2012, May 15-17, Shiraz, Iran, Vol. 1, p.61.
- Rafieipour H., Lotfavar A., Tabatabaei S.M. and Abbaspour M., "A Novel Approximate Analytical Method for Nonlinear Vibration Analysis of Euler-Bernoulli and Rayleigh Beam", Proceedings of The 20th Annual International Iranian Mechanical Engineering Conference, ISME2012, May 15-17, Shiraz, Iran, Vol. 1, p.62.
- Zarebidoki M., Lotfavar A. and Fahham H.R., "Comparison of Different Robust Control Methods for Trajectory Tracking of a Non-Redundant Cable-Based Robot", Proceedings of The 20th Annual International Iranian Mechanical Engineering Conference, ISME2012, May 15-17, Shiraz, Iran, Vol. 1, p.69.
- Zarebidoki M., Lotfavar A. and Fahham H.R., "Passivity Based Backstepping Control of a Cable-Based Robot Incorporating Actuator Dynamics", Proceedings of The 20th Annual International Iranian Mechanical Engineering Conference, ISME2012, May 15-17, Shiraz, Iran, Vol. 1, p.70.
- Tavakolpour A.R. and Lotfavar A., "Genetic Algorithm-Based Active Vibration Control of a Flexible Structure with non-Collocated Actuator and Sensor", Proceedings of The 20th Annual International Iranian Mechanical Engineering Conference, ISME2012, May 15-17, Shiraz, Iran, Vol. 1, p.93.
- Zarebidoki M., Lotfavar A., and Fahham H.R., "Dynamic Modeling and Robust Passivity Based Control of a Cable-suspended Robot", Proceedings of the 2nd International Conference on Control, Instrumentation and Automation ICCIA 2011, December 27 -29, Shiraz, Iran. , p. 212.
- Zarebidoki M., Lotfavar A., and Fahham H.R., "Effectiveness of Adaptive Passivity Based Trajectory Tracking Control of a Cable-suspended Robot", Proceedings of International Conference on Trends in Mechanical and Industrial Engineering ICTMIE 2011, December 23 -24, Bangkok, Thailand,180-184.
- Rafieipour H., Lotfavar A., Mosalaeifard A.H., "He's Frequency Amplitude Formulation for a Nonlinear Vibration of Microelectromechanical System (MEMS)", Proceedings of the 1st National Conference on MEMS 2011, November 16 -17, Khoy, Iran.
- Nemati R., Golbahar Haghighi M.R. and Lotfavar A., "Optimization of Water Transmission System by Genetic Algorithm", Proceedings of the 4th Iran Water Resource Management Conference 2011, May 3 -4, Tehran, Iran.
- Namazi I., Faghihi R., Eslamloian R., Lotfavar A., "Experimental Study of Gamma Scan Method for Fault Detection of Packed Bed Column and Simulation by MCNP", Proceedings of the 5th Condition Monitoring and Fault Diagnosis Conference, March 2011, Abadan, Iran. (In Persian)
- Owji H.R., Lotfavar A. and Sarvestani H., "Numerical Modeling of New Semi-Active Mass-Damper and Its Fuzzy Logic Controller", Proceedings of the X Int. Conference of Structural Dynamics Recent Advances, July 2010, Southampton, UK.
- Lotfazar A. and Eghtesad M., "Boundary Control and Two-Time Scale Method for Vibration-Free Movement and Trajectory Tracking of a Flexible Object Handled by Two Cooperating Robot Manipulators", Proceedings of 7th Int. Symposium on Mechatronics and its Applications, ISMA10, Sharjeh,
- Lotfazar A., and Eghtesad M., "Application of Passivity Based and Integrator Backstepping Control of a 5 DoF Robot Manipulator Incorporating Actuator Dynamics", Proceedings of 10th International Symposium on Robotics with Applications, World Automation Congress-June 2004, Seville, Spain, p.185-190.
- Mohseni M., Eghtesad M., and Lotfazar A., "Adaptive Control Methods for Trajectory Tracking of a 5 DoF RLED Robot Manipulator: A Comparison", Proceedings of 10th International Symposium on Robotics with Applications, World Automation Congress-June 2004, Seville, Spain, p.179-184.
- Lotfazar A., Safavi S.A.A, Eghtesad M., "Supervisory Fuzzy PID Control and Its Application to Trajectory Control of Robot Manipulators", Proceeding of 11th Conference on Fuzzy System, 2004, Tehran, Iran, p.1990-1996. (In Persian)
- Lotfazar A., Eghtesad M., and Mohseni M., "Integrator Backstepping Control of a 5 DoF Robot Manipulator Incorporating Actuator Dynamics", Conference on Control Application IEEE, 2003, p.1007-1012.
- Hanifeangizi R., Eghtesad M., and Lotfazar A., "Dynamics and Control of a 6DoF Robot Manipulators via Adaptive Robust Control", Proceeding of 11th Conference of Mechanical Engineering, 2003, Mashhad, Iran, p.1990-1996. (In Persian)
- Eghtesad M., Sanaeialam M., and Lotfazar A., "Full Scale Hovercraft Heave Control Via Adaptive Control", Proceeding of 4th Conference of Aerospace Engineering, 2002, Tehran, Iran, p.239-248. (In Persian)
- Tahavvor A.R., Lotfazar A., Eghtesad M., "Modeling of Motion and Human Walking by Neural Network Logic", Proceeding of 1st Conference of Mechatronics Engineering, 2003, Tehran, Iran, p.371-383. (In Persian)