Ulaş Yaman

Associate Professor

Address: Middle East Technical University, Department of Mechanical Engineering, A-205, Çankaya, 06800 Ankara/Turkey
Telephone:
Fax: +903122102536
E-mail: uyaman@metu.edu.tr
Nationality: Turkish

WORK EXPERIENCE

Dates (from – to)
2020 to date
Name and address of employer
Middle East Technical University, 06800 Çankaya, Ankara, Turkey
Type of business or sector
Higher Education and Research
Occupation or position held
Associate Professor
Main activities and responsibilities
Teaching and conducting research on additive manufacturing and mechatronics
Dates (from – to)
2016-2020
Name and address of employer
Middle East Technical University, 06800 Çankaya, Ankara, Turkey
Type of business or sector
Higher Education and Research
Occupation or position held
Assistant Professor
Main activities and responsibilities
Teaching and conducting research on additive manufacturing and mechatronics
Dates (from – to)
2015-2016
Name and address of employer
Middle East Technical University, 06800 Çankaya, Ankara, Turkey
Type of business or sector
Higher Education and Research
Occupation or position held
Instructor
Main activities and responsibilities
Teaching
Dates (from – to)
2014-2015
Name and address of employer
Purdue University, IN, USA
Type of business or sector
Higher Education and Research
Occupation or position held
Visiting Assistant Professor
Main activities and responsibilities
Research and teaching at the Department of Computer Science
Dates (from – to)
2007-2014
Name and address of employer
Middle East Technical University, 06800 Çankaya, Ankara, Turkey
Type of business or sector
Higher Education and Research
Occupation or position held
Research and Teaching Assistant
Main activities and responsibilities
Assisting various courses in the Department of Mechanical Engineering and conducting research on various topics

EDUCATION AND TRAINING

Dates (from – to)
2010-2014
Name and type of organization providing education and training
Middle East Technical University, 06800 Çankaya, Ankara, Turkey
Principal subjects/occupational
Advanced Motion Command Generation Paradigms for CNC Systems
Title of qualification awarded
Ph.D.
Dates (from – to)
2007-2010
Name and type of organization providing education and training
Middle East Technical University, 06800 Çankaya, Ankara, Turkey
Principal subjects/occupational
Design of Advanced Motion Command Generators utilizing FPGA
Title of qualification awarded
M.Sc.
Dates (from – to)
2004-2007
Name and type of organization providing education and training
Middle East Technical University, 06800 Çankaya, Ankara, Turkey
Principal subjects/occupational
Minor in Mechatronics
Title of qualification awarded
Mechatronics Engineer
Dates (from – to)
2003-2007
Name and type of organization providing education and training
Middle East Technical University, 06800 Çankaya, Ankara, Turkey
Principal subjects/occupational
Bachelor Study at the Department of Mechanical Engineering
Title of qualification awarded
Mech. Eng. (Mechanical Engineer)

PERSONAL SKILLS AND COMPETENCES

MOTHER TONGUE
Turkish
OTHER LANGUAGES
English
German
Reading skills
Excellent
Beginner
Writing skills
Excellent
Beginner
Verbal skills
Excellent
Beginner
SOCIAL SKILLS AND COMPETENCES
Living and working with other people, in multicultural environments, in positions where communication is important and situations where teamwork is essential (for example culture and sports), etc.
Dr. Yaman has been working/studying in multicultural environments since 2003 during his education at ODTÜ, postdoctoral studies at Purdue University and as a faculty member at ODTÜ. He has given several talks at international scientific conferences. He is highly social and has good communication skills with people from different backgrounds.
ORGANIZATIONAL SKILLS AND COMPETENCES
Coordination and administration of people, projects and budgets; at work, in voluntary work (for example culture and sports) and at home, etc.
Dr. Yaman is one of the vice-chair person of the Department of Mechanical Engineering at ODTÜ. His responsibilities at the department are maintenance of the buildings, budget management, organization of labor, etc. He is also one of the co-chairs of the 2nd Additive Manufacturing Turkey Conference. Furthermore, he is one of the vice-chair person of Turkish Additive Manufacturing Association and organized various voluntary events on additive manufacturing in this association.
TECHNICAL SKILLS AND COMPETENCES
With computers, specific kinds of equipment, machinery, etc.
Dr. Yaman can use any conventional, advanced and additive manufacturing machinery. He has excellent programming skills and use any commercial or open-source software related to computer science, design and engineering.
OTHER SKILLS AND COMPETENCES
Competences not mentioned above.
Dr. Yaman cycles, plays basketball, and does charcoal drawing.
DRIVING LICENSE(S)
2002 to date, International Driving License

AUTHORED OR CO-AUTHORED ARTICLES

ARTICLES IN PEER REVIEWED JOURNALS 1. V. Haseltalab, M. Dolen, U. Yaman, C. Hoffmann, “Toward a Simple Design and Manufacturing Pipeline for Additive Manufacturing,” IEEE Access, vol. 9, pp. 107224-107234, 2021.

2. U. M. Dilberoglu, B. Gharehpapagh, U. Yaman, and M. Dolen, “Current trends and research opportunities in hybrid additive manufacturing,” The International Journal of Advanced Manufacturing Technology, vol. 113, pp. 623-648, 2021.

3. Y. Silik and U. Yaman, “Control of Rotary Inverted Pendulum by Using On–Off Type of Cold Gas Thrusters, ” Actuators, vol. 9, no. 4, pp. 95, 2020.

4. L. M. Mert, U. Yaman, Y. Sahillioğlu, “A fabrication-oriented remeshing method for auxetic pattern extraction,” Turkish Journal of Electrical Engineering and Computer Science, vol. 28, no. 3, pp. 1535-1548, 2020.

5. U. M. Dilberoglu, S. Simsek, and U. Yaman, “Shrinkage Compensation Approach Proposed for ABS material in FDM process,” Materials and Manufacturing Processes, vol. 34, no. 9, pp. 993-998, 2019.

6. U. Yaman, M. Dolen, and C. Hoffmann, “Generation of patterned indentations for additive manufacturing technologies,” IISE Transactions, vol. 51, no. 2, pp. 209-217, 2019.

7. U. Yaman, “Fabrication of Topologically Optimized Parts via Direct 3D Printing,” Gazi University Journal of Science Part C: Design and Technology, vol. 7, no. 1, pp. 236-244, 2019.

8. U. Yaman, and M. Dolen, “A novel command generation paradigm for production machine systems,” Robotics and Computer Integrated Manufacturing, vol. 51, pp. 25-36, 2018.

9. U. Yaman, “Shrinkage compensation of holes via shrinkage of interior structure in FDM process,” International Journal of Advanced Manufacturing Technology, vol. 94, pp. 2187–2197, 2018.

10. U. Yaman, N. Butt, E. Sacks, and C. Hoffmann, “Slice Coherence in a Query-Based Architecture for 3D Heterogeneous Printing,” Computer-Aided Design, vol. 75-76, pp. 27-38, 2016.

11. U. Yaman, and M. Dolen, “A General Purpose Morphological Method to Produce Planar Curve Offsets,” International Journal of Advanced Manufacturing Technology, vol. 80, pp. 255-274, 2015.

12. M. Dolen, and U. Yaman, “New Morphological Methods to Generate Two Dimensional Curve Offsets,” International Journal of Advanced Manufacturing Technology, vol. 71, no. 9-12, pp. 1687-1700, 2014.

13. U. Yaman, and M. Dolen, “Direct Command Generation for CNC Machinery based on Data Compression Techniques,” Robotics and Computer Integrated Manufacturing, vol. 29, no. 2, pp. 344-356, 2013.
ARTICLES IN PEER REVIEWED CONFERENCES AND SYMPOSIUMS (INTERNATIONAL CONFERENCES ONLY) 1. Ekinci, Mehmet Burak, Ulas Yaman, and Reşit Soylu. "Experimental Setup for a Novel Mechanical Force Generator." IEEE 16th International Workshop on Advanced Motion Control (AMC), pp. 147-152, 2020.

2. Helvaci, Damla Ozkapici, and Ulas Yaman. "Tiling of Microstructures According to the Density Values of SIMP Topology Optimization." Procedia Manufacturing 51 (2020): 1033-1037.

3. Subasi, Levent, Mustafa I. Gokler, and Ulas Yaman. "Multi objective optimization of water Jet guided laser micro drilling on Inconel 718 using Taguchi method." Procedia CIRP 94 (2020): 505-510.

4. Subaşı L., Gökler M. İ. , Yaman U., "Predicting the Effective Cutting Length of Laser Micro Jet Process Using Machine Learning", International Conference and Exhibition on Digital Transformation and Smart Systems, Ankara, Turkey, 23 - 25 October 2019.

5. Silik, Yusuf, and Ulas Yaman. "Single Axis Attitude Controller Design Using Pulse Width Modulated Thruster." In 2019 20th International Conference on Research and Education in Mechatronics (REM), pp. 1-6. IEEE, 2019.

6. Yıldırım E., Yaman U., Arıkan M. A. S., “Characterization of Embedded Microchannels Fabricated by SLA,” 4th International Congress on 3D Printing (Additive Manufacturing) Technologies and Digital Industry, Antalya, Turkey, 11 - 14 April 2019.

7. Haseltalab, Vahid, and Ulas Yaman. "A cloud manufacturing application for additive manufacturing methods." In 2019 IEEE International Conference on Mechatronics (ICM), vol. 1, pp. 287-292. IEEE, 2019.

8. Kayıran, Ali Murat, and Ulas Yaman. "Effect of Lattice Structures on Natural Frequency of SLA Fabricated Parts." Procedia Manufacturing 39 (2019): 533-538.

9. Gültekin, Sinan, Ahmet Ural, and Ulas Yaman. "Embedding QR Codes on the Interior Surfaces of FFF Fabricated Parts." Procedia Manufacturing 39 (2019): 519-525.

10. Gharehpapagh, Bahar, Melik Dolen, and Ulas Yaman. "Investigation of variable bead widths in FFF Process." Procedia Manufacturing 38 (2019): 52-59.

11. Dilberoglu, Ugur M., Vahid Haseltalab, Ulas Yaman, and Melik Dolen. "Simulator of an additive and subtractive type of hybrid manufacturing system." Procedia Manufacturing 38 (2019): 792-799.

12. Özcan, Melih, and Ulas Yaman. "A continuous path planning approach on Voronoi diagrams for robotics and manufacturing applications." Procedia Manufacturing 38 (2019): 1-8.

13. Öncel, Anıl Can, and Ulas Yaman. "Generation of optimized voronoi based interior structures for improved mechanical properties." Procedia Manufacturing 38 (2019): 42-51.

14. S. Aydın, U. Yaman and S. Özerinç, “Effects of Annealing on the Structure and Mechanical Properties of 3D Printed PLA Components,” Proceedings of First International Conference on Advances in Mechanical and Mechatronics Engineering, 2018.

15. F. T. Altekin and U. Yaman, “Implications of Direct Digital Manufacturing on Sustainable Supply Chain Management,” Proceedings of the International Conference and Exhibition on Digital Transformation and Smart Systems, 2018.

16. V. Okbay, G. B. Akar, and U. Yaman, “Automated Image Processing for Scratch Detection on Specular Surfaces,” Proceedings of the International Conference and Exhibition on Digital Transformation and Smart Systems, 2018.

17. M. Keles and U. Yaman, “Tuning the Center of Gravity of 3D Printed Artifacts,” Procedia Manufacturing, vol. 17, pp. 371-378, 2018.

18. V. Kandemir, O. Dogan, and U. Yaman, “Topology optimization of 2.5D parts using the SIMP method with a variable thickness approach,” Procedia Manufacturing, vol. 17, pp. 29-36, 2018.

19. U. M. Dilberoglu, S. Simsek, and U. Yaman, “Comprehensive Analysis of the Shrinkage Compensation Approach Proposed for the FDM process,” Proceedings of the 28th International Conference on Flexible Automation and Intelligent Manufacturing (FAIM2018), OH, USA, June 11-14, 2018.

20. C. M. Al and U. Yaman, “An Automated Design and Fabrication Pipeline for Improving the Strength of 3D Printed Artifacts under Tensile Loading,” Proceedings of the 21st International ESAFORM Conference on Material Forming (ESAFORM2018), Palermo, Italy, April 23-25, 2018.

21. V. Haseltalab, U. Yaman, M. Dolen, “Utilization of Curve Offsets in Additive Manufacturing,” Proceedings of the 21st International ESAFORM Conference on Material Forming (ESAFORM2018), Palermo, Italy, April 23-25, 2018.

22. V. Kandemir, O. Dogan, and U. Yaman, “Topology optimization of 2.5D parts using the SIMP method with a variable thickness approach,” Proceedings of the 10th European Solid Mechanics Conference, 2018.

23. U. Yaman, M. Dolen, and C. M. Hoffmann, “Formation of Patterned Indentations for Additive Manufacturing Applications,” Proceedings of the Workshop on Creative Design and Advanced Manufacturing: An emerging application area for Signals and Systems (Satellite Workshop of EUSIPCO2017), Kos, Greece, September 2, 2017.

24. C. M. Al and U. Yaman, “Improving the Strength of Additively Manufactured Objects via Modified Interior Structure,” Proceedings of the 20th International ESAFORM Conference on Material Forming (ESAFORM2017), Dublin, Ireland, April 26-28, 2018.

25. U. M. Dilberoglu, B. Gharehpapagh, U. Yaman, and M. Dolen, “The role of additive manufacturing in the era of Industry 4.0,” Procedia Manufacturing, vol. 11, pp. 545-554, 2017.

26. U. Yaman, M. Dolen, U. M. Dilberoglu, and B. Gharehpapagh “A new method for generating image projections in DLP-type 3D printer systems” Procedia Manufacturing, vol. 11, pp. 490-500, 2017.

27. U. Yaman and M. Dolen, “A Command Generation Approach for Desktop Fused Filament Fabrication 3D Printers,” Proceedings of IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society, pp. 4588-4593, October 23-26, 2016.

28. S. Simsek and U. Yaman, “Dimensional accuracy improvement of fused filament fabrication holes utilizing modified interior,” Proceedings of the 19th International Conference on IEEE Electrical Machines and Systems (ICEMS2016), Chiba, Japan, November 13-16, 2016.

29. S. Usenmez, U. Yaman, M. Dolen, and A. B. Koku, “A New Hardware-in-the-Loop Simulator for Control Engineering Education,” Proceedings of IEEE Global Engineering Education Conference (EDUCON), pp. 1-8, April 3-5, 2014.

30. S. Usenmez, B. R. Mutlu, U. Yaman, E. Kilic, M. Dolen, and A. B. Koku, “A New Hardware-in-the-Loop Simulator for CNC Machine Applications,” Proceedings of IEEE International Conference on Mechatronics 2013, February 27-28, March 01, 2013.

31. U. Yaman, and M. Dolen, “Evaluation of Compression Algorithms for Motion Command Generation,” Proceedings of IEEE International Conference on Mechatronics 2011, pp. 45-50, April 13-15, 2011.

32. U. Yaman, M. Dolen, and A. B. Koku, “A Novel Command Generation Method with Variable Feedrate utilizing FPGA for Servo-Motor Drives,” Proceedings of the 8th IEEE Workshop on Intelligent Solutions in Embedded Systems, pp. 67-72, Greece, July 8-9, 2010.

33. B. Kocer, T. Yuksel, M. E. Yümer, C. A. Ozen, and U. Yaman, “Polymorphic Robotic System Controlled by an Observing Camera,” Proceedings of SPIE Second International Conference of Digital Image Processing, Singapore, vol. 7546, pp. 754607, February 26-28, 2010.

34. U. Yaman, B. R. Mutlu, M. Dolen, and A. B. Koku, “Direct Command Generation Methods for Servo-Motor Drives,” Proceedings of the 12th International Conference on Electrical Machines and Systems, LS3D-2, Japan, November 15-18, 2009.

35. B. R. Mutlu, U. Yaman, M. Dolen, and A. B. Koku, “Performance Evaluation of Different Real-Time Motion Controller Topologies Implemented on a FPGA,” Proceedings of the 12th International Conference on Electrical Machines and Systems, DS2G7-7, Japan, November 15-18, 2009.

36. U. Yaman, S. Usenmez, B. R. Mutlu, M. Dolen, and A. B. Koku, “Graduate Student Education in Discrete-Time Control,” Proceedings of the 13th International Conference on Machine Design and Production, vol. 2, pp. 1129-1142, Turkey, September 3-5, 2008.
PROJECTS DIRECTED 1. 2018-2020, “Increasing the dimensional accuracy of 3D printed parts having auxetic interior structures,” Principal Investigator, ODTÜ.

2. 2017-2020, “A Smart and Hybrid Manufacturing System Utilizing Additive Manufacturing Methods and Machining,” Principal Investigator, TUBITAK.

3. 2017-2018, “A Novel Design and Fabrication Pipeline for 3D Printers: LIPRO,” Principal Investigator, TUBITAK.

4. 2017-2018, “Design of a Smart Manufacturing Cell Employing Image Processing Methods for Finding Scratches on Sheet Metals,” Researcher, Arçelik.

5. 2017-2018, “Design of Air Valves Test System,” Researcher, DSİ.

6. 2017-2017, “High Accuracy Control of Quadcopters,” Principal Investigator, ODTÜ.

7. 2016-2016, “Increasing the Dimensional Accuracy of 3D Fabricated Parts,” Principal Investigator, ODTÜ.
REGISTERED PATENTS Production Method with Molten Filaments on a Powder Bed: The invention is related to a method of establishing support structures used in additive manufacturing methods based on the material layering with extrusion principle with 3D printers, wherein said method is characterized in that the additive manufacturing carried out by material layering with extrusion performed in a recyclable particle tank (powder, dust, particle etc.), PCT/TR2019/050801