Professor, Mechanical and Industrial Engineering
Sipahi received his BS from Technical University of Istanbul in 2000, and MS and PhD degrees respectively in 2002 and 2005 from University of Connecticut, all in mechanical engineering. Awarded with a Chateuabriand scholarship by the French government, he has been a postdoctoral fellow at Universite de Technologie de Compiegne, HeuDiaSyC Labs (CNRS) in France. He joined the Department of Mechanical and Industrial Engineering at Northeastern University in August 2006 where he is currently a Professor and Associate Chair for Undergraduate Affairs.
Sipahi is the recipient of the 2015 ASME Dynamic Systems and Control Division Outstanding Young Investigator Award, a 2011 DARPA Young Faculty Award, 2011 College of Engineering Martin W. Essigmann Outstanding Teaching Award, and 2014 College of Engineering Faculty Fellow Award. He has also been actively involved in ASME Dynamic Systems and Control (DSC) Division, taking editorial duties in division newsletter and recently in division-led ASME DSC Magazine. His scholarly activities include publication of 63 journal articles and 95 peer-reviewed conference papers, as well as 10 book chapters and additional 32 conference presentations including invited session talks. His research has been funded primarily by US National Science Foundation and DARPA. He (co-)edited four book volumes with Springer, each with a collection of invited chapters totaling around 400 pages (2009, 2012, 2014, 2019), total of which received over 150,000 chapter downloads to date according to Springer. His Google Scholar h index is 30.
Sipahi has been actively involved as associate editor, associate editor at large, publicity chair, finance chair, exhibits/sponsors chair, outreach chair, program committee member, session chair/co-chair in many conferences organized by ASME, IEEE, and IFAC, including Editor of the Conference Editorial Board of the ASME Dynamic Systems and Control Conference (2018-2019) and the 2012 IFAC Workshop on Time Delay Systems, which he co-organized at Northeastern University, and of which he was the Program Editor. He is also the co-creator of e-delay newsletter together with Prof. Niculescu. He was the lead organizer of three one-full-day educational workshops with Professors Hitay Ozbay, Silviu-Iulian Niculescu, Wim Michiels, Dimitri Breda, and Fatihcan M. Atay in the field of Time Delay Systems at three major control systems conferences (2013, 2014 European Control Conference, and 2013 IEEE Conference on Decision and Control) as well as the sole organizer of a similar workshop held preceding the ASME Dynamic Systems and Control Conference in 2015. He is the lead author of the article entitled Stability and Stabilization of Systems with Time Delay, Limitations and Opportunities that was published in 2011 in IEEE Control Systems Magazine, with S.-I. Niculescu, C.T. Abdallah, W. Michiels and K. Gu as co-authors; the author of the book entitled Mastering Frequency Domain Techniques for the Stability Analysis of LTI Time Delay Systems (2019, Society of Industrial and Applied Mathematics); and co-author in an article in Nature Human Behaviour (2019).
Sipahi is a Fellow of ASME since 2014 and was elevated to IEEE Senior member grade in 2016. He currently serves as Associate Editor for Automatica.
- PhD (2005), Mechanical Engineering,
University of Connecticut
- MSc (2002), Mechanical Engineering,
University of Connecticut
- BSc (2000), Mechanical Engineering,
Istanbul Technical University
Research & Scholarship Interests
Control systems and mechatronics; stability analysis and control synthesis of dynamical systems with delays; interplay between stability, delays, and graphs; control-systems-aided human-machine systems; engineering education research; disability research; systems biology
Honors & Awards
- 2017 Associate Editor, Automatica
- 2016 IEEE Senior Member
- 2015 ASME Dynamic Systems and Control Division Young Investigator Award
- 2014 COE Faculty Fellow
- 2014 ASME Fellow
- 2011 DARPA Young Faculty Award.
- 2011 Martin W. Essigmann Outstanding Teaching Award of the College of Engineering, Northeastern University.
- 2011 Nominated for the Excellence for Teaching Award of Northeastern University.
- Lead author of the review article published and featured as cover in IEEE Control Systems Magazine February 2011 issue.
- 2005 Chateaubriand Scholarship to conduct post-doctoral research in France, awarded by the French Government.
- 2003 Best Master’s Thesis Award of School of Engineering, University of Connecticut.
- 2002 Best Student Paper Award from Dynamic Systems and Control Division at ASME-IMECE Conference, New Orleans, LA.
- Mechanical Engineering Design (undergraduate)
- System Analysis and Control (graduate and undergraduate)
- Time Delay Systems, Stability and Control (graduate level)
- Introduction to System Dynamics (Honors Program, undergraduate level)
- ME Capstone (senior design)
- American Society of Mechanical Engineers International
- Institute of Electrical and Electronics Engineers
- A. Ramirez, S. Mondie, R. Garrido, R. Siphai, Design of Maximum Exponential Decay Rate for LTI-SISO Systems via Delay-Based Controllers, SIAM Control and Optimization, 55(1), 2017, 397-412
- T. Yucelen, Y. Yildiz, R. Sipahi, E. Yousefi, N. Nguyen, Stability Limit of Human-in-the-Loop Model Reference Adaptive Control Architechtures, International Journal of Control, 2017, 1-18
- S. Nourazari, D.B. Hoch, S. Capawanna, R. Sipahi, J.C. Benneyan, Can Improved Specialty Access Moderate Emergency Department Overuse? Effect of Neurology Appointment Delays on ED Visits, Neurology Clinical Practice, 6(6), 2016, 498-505
- M.H. Koh, R. Sipahi, A Consensus Dynamics with Delay-Induced Instability Can Self-Regulate for Stability via Agent Regrouping, Chaos: An Interdisciplinary Journal of Nonlinear Science, 26(11), 2016, 116313
- D. Tian, R. Sipahi, Creating Two Disjoint Stability Intervals Along the Delay Axis via Controller Design: Linear SISO Case, International Journal of Dynamics and Control, 2016