SHARIF UNIVERSITY OF TECHNOLOGY


 Saeed Khodaygan

    Assistant Professor

    Ph.D, Sharif University of Technology, 2011

    Mechanical Engineering Department, Sharif University of Technology


Contact Information
Email: khodaygan@sharif.edu
Tel: +98 (21) 6616 5518
Fax: +98 (21) 6600 0021
P.O. Box 11155-9567

 

 


Research Interests

 

Applied Design

  • Multidisciplinary Design Optimization

  • Experimental Design

  • Robust and Reliability-based Design

  • Design for X (X: Manufacturing/Assembly/Testing)

 Precision Engineering

  • Computer aided Tolerance Design

  • Measurement Systems and Instrumentation

  • ElectroHydroDynamic (EHD) 3D Printing for Micro-fabrication

Engineering Applications of Artificial Intelligence & Soft Computing

  • Machine Learning

  • System Identification

  • Uncertain/Fuzzy Systems

  • Probabilistic/Stochastic Processes and Simulations

Bio-Design and Fabrication

  • Bio-inspired Design

  • Bio-CAD Modeling

  • 3D Printing for Bio-fabrication


Teaching Interests

Undergraduate Courses

  • Machine Design (I & II)

  • Measurement and Control Systems

  • Engineering Statistics

Graduate Courses

  • Optimal Design

  • Robust Design

  • Advanced Mathematics

 


Selected Publications

Journal papers:

  • Khodaygan S.,(2018). Meta-model based multi-objective optimisation method for computer-aided tolerance design of compliant assemblies, International Journal of Computer Integrated Manufacturing, DOI: 10.1080/0951192X.2018.1543953

  • Sombolestan S. M., Rasooli A., Khodaygan S., (2018) Optimal path-planning for mobile robots to find a hidden target in an unknown environment based on machine learning, Journal of Ambient Intelligence and Humanized Computing, 2018, 1-10.

  • Khodaygan S. (2018) Modal parameter identification of rotor systems based on power spectral density transmissibility (PSDT) functions. SAE Technical Paper, 2018-01-1107, 2018.

  • Khodaygan S., (2018). An interactive method for computer-aided optimal process tolerance design based on automated decision making, International Journal on Interactive Design and Manufacturing (IJIDeM), pp.1-16. https://doi.org/10.1007/s12008-018-0462-z

  • Khodaygan S., (2018). A multiple objective framework for optimal asymmetric tolerance synthesis of mechanical assemblies with degrading components. The International Journal of Advanced Manufacturing Technology, DOI: 10.1007/s00170-018-2658-6

  • Manshoori Yeganeh A., Movahhedy M. R., Khodaygan S., (2018). An efficient scanning algorithm for improving accuracy based on minimising part warping in selected laser sintering process, Virtual and Physical Prototyping, https://doi.org/10.1080/17452759.2018.1511738.

  • Khodaygan S., Ghaderi A., (2018). Tolerance - Reliability Analysis of Mechanical Assemblies for Quality Control based on Bayesian Modeling, Assembly Automation, Accepted.

  • Golmohammadi A. H., K., Khodaygan S., (2018). A framework for multi-objective optimisation of 3D part-build orientation with a desired angular resolution in additive manufacturing processes, Virtual and Physical Prototyping, Accepted.

  • Khodaygan, S. (2018). A method for optimal reduction of locating error with the minimum adjustments of locators based on the geometric capability ratio of process. The International Journal of Advanced Manufacturing Technology, Vol. 94, Issue 9-12, pp 3963-3978.

  • Jafarzadeh E. , M. R. Movahhedy, S. Khodaygan, M. Ghorbani, (2018) Prediction of machining chatter in milling based on dynamic FEM simulations of chip formation, Advances in Manufacturing, 6: 334. https://doi.org/10.1007/s40436-018-0228-7.

  • Hadavand M., S. Khodaygan S., M. S. Esfandiar M. S. (2018) A new method for reconstructing the inner profile of the pipe for inspection with the laser-based measuring pig, Modares Mechanical Engineering, Vol. 18, No. 04, pp. 655-661.

  • Khodaygan S., Sharafi M. H., (2018) A new approach for the reliability based robust design optimization of the mechanical systems under the uncertain conditions. SAE Technical Paper, 2018-01-0615, 2018.

  • Khodaygan S., Hemati-NikMulti J., (2018) Objective optimal tolerance allocation of the mechanical systems under the thermal gradients. SAE Technical Paper, 2018-01-1031, 2018.

  • Golmohammadi A. H., Khodaygan S., (2018) Comparison of analytical and experiment design-based optimization methods to determine the optimum part build orientation in rapid prototyping processes, Modares Mechanical Engineering, Vol. 18, No. 03, pp. 115-125.

  • Manshoori Yeganeh A., Khodaygan S., Movahhedy M. R., (2018) Determination of optimal parameters in selective laser sintering for minimizing the part warping based on Taguchi method, Modares Mechanical Engineering, Vol. 17, No. 12, pp. 157-166.

  • Manshoori Yeganeh A., Khodaygan S. , Movahhedy M. R., (2018). Optimized thermal gradient by changing temperature parameters for laser-assisted additive manufacturing process based on polyamide-12 powder using numerical model. , Iranian Journal of Manufacturing Engineering, Accepted.

  • Hafezipour, M., Khodaygan, S. (2017). An uncertainty analysis method for error reduction in end-effector of spatial robots with joint clearances and link dimension deviations. International Journal of Computer Integrated Manufacturing, 30(6), 653-663.

  • Khodaygan, S.,& Golmohammadi, A. H. (2017). Multi-criteria optimization of the part build orientation (PBO) through a combined meta-modeling/NSGAII/TOPSIS method for additive manufacturing processes. International Journal on Interactive Design and Manufacturing (IJIDeM), pp. 1-15. https://doi.org/10.1007/s12008-017-0443-7

  • Khodaygan S., Fallahzadeh H. (2017) Static and dynamic tolerance analysis of flexible rotary systems based on the tolerance zone method, Modares Mechanical Engineering, Vol. 17, No. 8, pp. 143-152.

  • Golmohammadi A. H., Khodaygan S., (2017) Build Time Estimation in Additive Manufacturing Processes based on Part Orientations , Modares Mechanical Engineering, Vol. 17, No. 7, pp. 9-16.

  • Khodaygan, S., Movahhedy, M. R. (2016). A comprehensive fuzzy feature-based method for worst case and statistical tolerance analysis. International Journal of Computer Integrated Manufacturing, 29(1), 42-63.

  • Khodaygan, S., Afrasiab, H., (2016). Capability Prediction of Machining Processes Based on Uncertainty Analysis. World Academy of Science, Engineering and Technology, International Journal of Mechanical, Aerospace, Industrial, Mechatronic and Manufacturing Engineering, 10(7), 1248-1255.

  • Khodaygan, S., (2016) "An Efficient Method for Workpiece Locating Error Prediction in Machining Process," SAE Technical Paper 2016-01-1347, 2016.

  • Khodaygan, S., Ghasemali, A., and Afrasiab, H., (2016) "Statistical Tolerance Analysis of Flexible Assemblies with Contact Effects," SAE Technical Paper 2016-01-1380, 2016.

  • Khodaygan, S., Hafezipour, M. (2015). Error reduction in spatial robots based on the statistical uncertainty analysis. SAE International Journal of Materials and Manufacturing, 8(2015-01-0435), 263-270.

  • Khodaygan S., Ghasemali A., Afrasiab H., Tolerance analysis of flexible assemblies with contact effects based on modified influence coefficients method, Modares Mechanical Engineering, Vol. 15, No. 13, pp. 144-149, 2015.

  • Khodaygan, S. (2014). Manufacturing error compensation based on cutting tool location correction in machining processes. International Journal of Computer Integrated Manufacturing, 27(11), 969-978.

  • Khodaygan, S. and Movahhedy, M., "Robust Tolerance Design of Mechanical Assemblies Using a Multi-Objective Optimization Formulation," SAE Technical Paper 2014-01-0378, 2014.

  • Khodaygan, S. (2013). A Method for Locator Errors Compensation in the Fixture Workpiece System. SAE International Journal of Materials and Manufacturing, 6(2013-01-1382), 494-501.

  • Khodaygan, S., & Movahhedy, M. R. (2012). Fuzzy-based analysis of process capability for assembly quality assessment in mechanical assemblies. International Journal of Production Research, 50(12), 3395-3415.

  • Khodaygan, S., Movahhedy, M. R., & Foumani, M. S. (2011). Fuzzy-small degrees of freedom representation of linear and angular variations in mechanical assemblies for tolerance analysis and allocation. Mechanism and Machine Theory, 46(4), 558-573.

  • Khodaygan, S., & Movahhedy, M. R. (2011). Tolerance analysis of assemblies with asymmetric tolerances by unified uncertainty accumulation model based on fuzzy logic. The International Journal of Advanced Manufacturing Technology, 53(5-8), 777-788.

  • Movahhedy, M. and khodaygan, S., (2011) "Predicting Fitting Quality of Mechanical Assemblies Through Statistical-Based Process Capability Analysis," SAE Technical Paper 2011-01-0466, 2011.

  • Khodaygan, S., Movahhedy, M. R., & Fomani, M. S. (2010). Tolerance analysis of mechanical assemblies based on modal interval and small degrees of freedom (MI-SDOF) concepts. The International Journal of Advanced Manufacturing Technology, 50(9-12), 1041-1061.

  • Movahhedy, M. R., & Khodaygan, S. (2007). Tolerance analysis of mechanical assemblies with asymmetric tolerances. Trans SAE J Materials Manuf, 116, 44-52.
     

 Conference Papers:

  • Farahani M.R., Khodaygan S., (2018). Optimal design of high-speed spindle bearings for reducing non-repeatable run out, The 26th International Annual Conference of the Iranian Society of Mechanical Engineers (ISME 2018), April 24-26, 2018, Semnan University, Semnan, Iran.

  • Khodaygan S., Ghaderi A., (2018). Tolerance analysis for quality control of products based on Bayesian-reliability model,  The 26th International Annual Conference of the Iranian Society of Mechanical Engineers (ISME 2018), April 24-26, 2018, Semnan University, Semnan, Iran.

  • Khodaygan S., Talebi, M., (2017) An algorithm for identifying dynamic characteristics of asymmetric rotary mechanical systems based on operational modal analysis, 7th International Conference on Acoustics and Vibration, November 27-28, 2017, Sharif university of technology, Tehran, Iran.

  • Khodaygan S., Sharafi M.H., (2017) A new method for robust design of the inactive suspension system with uncertain parameters, 7th International Conference on Acoustics and Vibration, November 27-28, 2017, Sharif university of technology, Tehran, Iran.

  • S. Khodaygan, H. Fallahzadeh, Analysis of the Effects of dimensional and geometric tolerances on the natural frequencies of flexible rotary systems based on tolerance zone model, The 25th International Annual Conference of the Iranian Society of Mechanical Engineers (ISME 2017),May 2-4, 2017, Tarbiat Modares University, Tehran, Iran.

  • A. Manshoori Yeganeh, M. R. Movahhedy, S. Khodaygan, Investigation of scanning parameters' effect on warpage of manufactured parts by SLS process based on finite element modeling. The 25th International Annual Conference of the Iranian Society of Mechanical Engineers (ISME 2017),May 2-4, 2017, Tarbiat Modares University, Tehran, Iran.

  • S. Khodaygan, J. Hemati-Nik, Tolerance allocation of mechanical assemblages under thermal impact, 24th Annual International Conference on Mechanical Engineering (ISME 2016; April 26-28, 2016; Yazd, Iran.

  • E. Jafarzadeh, A. Sohani, S. Khodaygan, Multi-objective optimization of parameters affecting machining in the stability limit by providing a novel innovative algorithm, 24th Annual International Conference on Mechanical Engineering (ISME 2016); April 26-28, 2016; Yazd, Iran.

  • Khodaygan, S., & Movahhedy, M. R. (2010, January). TOLERANCE ANALYSIS OF MECHANICAL ASSEMBLIES BASED ON FUZZY SMALL DEGREES OF FREEDOM (F-SDOF) MODEL. In ASME 2010 International Mechanical Engineering Congress and Exposition (pp. 519-524). American Society of Mechanical Engineers.

  • Khodaygan S., Movahhedy M.R., Fuzzy analysis of production process capability for evaluating assembly quality in mechanical assemblies, The 21th International Conference on Mechanical Engineering, 2013.

  • Khodaygan S., Movahhedy M.R., Tolerance Analysis of Mechanical Assemblies based on Fuzzy-Small Degrees of Freedom (FSDOF) Model, Proceedings of the ASME International Mechanical Engineering Progress & Exposition IMECE 2010, 2010, Vancouver, British Columbia.

  • Khodaygan S., Movahhedy M.R., Mirabolghasemi A., Zendehbad M., Moradi H., Statistical Error Analysis For Dimensional Control in Automotive Body Assembly Process, Proceedings of the ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis (ESDA2010), July 12-14, 2010 , Istanbul, Turkey.

  • Movahhedy M.R., Khodaygan S., Tolerance analysis of mechanical assemblies with asymmetric tolerances using uncertainty model based on fuzzy logic, The 18th International Conference on Mechanical Engineering, 2010.

  • Khodaygan, S., Movahhedy M.R., Tolerance analysis of mechanical assemblies based on modal interval - small degrees of freedom model, 10th Iranian Conference on Manufacturing Engineering, 2010.

  • Salehvesal, A., Movahhedy M.R., Khodaygan, S., Tolerance analysis of tilted-pad journal using parametric method, 10th Iranian Conference on Manufacturing Engineering, 2010.

  •  Khodaygan, S., Movahhedy M.R., 3D Tolerance analysis of welding fixture based on Fuzzy - Direct Linearization Method, 10th Iranian Conference on Manufacturing Engineering, 2010.


Research Labs

  • Dimensional Metrology Lab

      Link: http://www.mech.sharif.ir/web/13312/metrology

  • Precision Manufacturing Lab

 

Editor in Chief

  • Fanaavard Journal of Science & Technology (FJST)