World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
32
Citations
5468
World Ranking
9525
National Ranking
2689

Rifat Sipahi publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Rifat Sipahi sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 212 publications — 52nd percentile

52% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

Rifat Sipahi D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Rifat Sipahi sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 32 D-Index — 3rd percentile

3% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

Research.com Recognitions

  • 2014 - Fellow of the American Society of Mechanical Engineers

Overview

Rifat Sipahi is affiliated with Northeastern University in the United States and specializes in engineering fields, particularly in control and systems engineering. Their research spans over 52 publications in engineering and 15 in social sciences, with a focus on areas such as transportation and computer networks.

The primary research topics covered by Sipahi include:

  • Traffic control and management
  • Transportation planning and optimization
  • Stability and control of uncertain systems
  • Nonlinear dynamics and pattern formation
  • Human-automation interaction and safety
  • Advanced queuing theory analysis
  • Traffic prediction and management techniques

Sipahi's recent papers include:

  • "PX4 Simulation Results of a Quadcopter with a Disturbance-Observer-Based and PSO-Optimized Sliding Mode Surface Controller" (2022) published in Drones
  • "Damping Power System Electromechanical Oscillations Using Time Delays" (2021) published in IEEE Transactions on Circuits and Systems I Regular Papers
  • "Containment Control of Multi-Human Multi-Agent Systems Under Time Delays" (2024) published in IEEE Transactions on Systems Man and Cybernetics Systems
  • "A Scalable Approach to Compute Delay Margin of a Class of Neutral-Type Time Delay Systems" (2021) published in SIAM Journal on Control and Optimization
  • "Consensus Stability of a Large-Scale Robotic Network Under Input and Transmission Delays" (2021) published in IEEE Transactions on Control of Network Systems

Frequent co-authors of Sipahi include:

  • Adrián Ramírez
  • Silviu-Iulian Niculescu
  • Fatihcan M. Atay
  • Duo Wang
  • Haonan Fan

The most common publication venues are:

  • IEEE Control Systems Letters
  • Drones
  • Chaos An Interdisciplinary Journal of Nonlinear Science
  • Proceedings of the Institution of Mechanical Engineers Part I Journal of Systems and Control Engineering
  • AIAA Scitech 2020 Forum

Sipahi has contributed to book publications with notable titles such as:

  • "Design of Delay-Based Controllers for Linear Time-Invariant Systems" (2024), published by Society for Industrial and Applied Mathematics
  • "Deterministic Car-Following Traffic Models" (2024), published by Springer International Publishing

Award recognition includes being named a Fellow of the American Society of Mechanical Engineers in 2014.

Best Publications

  • An exact method for the stability analysis of time-delayed linear time-invariant (LTI) systems

    N. Olgac;R. Sipahi

  • Stability and Stabilization of Systems with Time Delay

    R Sipahi;S Niculescu;Chaouki T Abdallah;W Michiels

  • Complete stability robustness of third-order LTI multiple time-delay systems

    Rifat Sipahi;Nejat Olgac

  • Stability of Traffic Flow Behavior with Distributed Delays Modeling the Memory Effects of the Drivers

    Rifat Sipahi;Fatihcan M. Atay;Silviu-Iulian Niculescu

  • Stability Robustness Analysis of Multiple Time- Delayed Systems Using “Building Block” Concept

    H. Fazelinia;R. Sipahi;N. Olgac

  • Design of Proportional-Integral-Retarded (PIR) Controllers for Second-Order LTI Systems

    Adrian Ramirez;Sabine Mondie;Ruben Garrido;Rifat Sipahi

  • Brief A practical method for analyzing the stability of neutral type LTI-time delayed systems

    Nejat Olgac;Rifat Sipahi

  • A unique methodology for the stability robustness of multiple time delay systems

    Rifat Sipahi;Nejat Olgac

  • Topics in Time Delay Systems

    Jean Jacques Loiseau;Wim Michiels;Silviu-Iulian Niculescu;Rifat Sipahi

  • Dynamics and Stability of Variable-pitch Milling:

    Nejat Olgac;Rifat Sipahi

  • Stability and Stabilization of Systems with Time Delay. Limitations and Opportunities

    R. Sipahi;S.-I. Niculescu;C. T. Abdallah;W. Michiels

  • Delay-Independent Stability Test for Systems With Multiple Time-Delays

    I. I. Delice;R. Sipahi

  • A Unique Methodology for Chatter Stability Mapping in Simultaneous Machining

    Nejat Olgac;Rifat Sipahi

  • The Cluster Treatment of Characteristic Roots and the Neutral Type Time-Delayed Systems

    Nejat Olgac;Rifat Sipahi

  • “Delay Scheduling”: A New Concept for Stabilization in Multiple Delay Systems:

    Nejat Olgac;Ali Fuat Ergenc;Rifat Sipahi

  • Advanced Clustering With Frequency Sweeping Methodology for the Stability Analysis of Multiple Time-Delay Systems

    R Sipahi;I I Delice

  • Degenerate Cases in Using the Direct Method

    Rifat Sipahi;Nejat Olgac

  • Stability of inventory dynamics in supply chains with three delays

    Rifat Sipahi;Ismail Ilker Delice

  • Consensus Control Under Communication Delay in a Three-Robot System: Design and Experiments

    Wei Qiao;Rifat Sipahi

  • Active Vibration Suppression With Time Delayed Feedback

    Rifat Sipahi;Nejat Olgac

  • Time Delay Systems: Methods, Applications and New Trends

    Rifat Sipahi;Tomáš Vyhlídal;Silviu-Iulian Niculescu;Pierdomenico Pepe

Frequent Co-Authors

Nejat Olgac
Nejat Olgac University of Connecticut
Silviu-Iulian Niculescu
Silviu-Iulian Niculescu CentraleSupélec
Federico Milano
Federico Milano University College Dublin
Günther K.H. Zupanc
Günther K.H. Zupanc Northeastern University
Alexandre Seuret
Alexandre Seuret Centre national de la recherche scientifique, CNRS
Wim Michiels
Wim Michiels KU Leuven
Chaouki T. Abdallah
Chaouki T. Abdallah Georgia Institute of Technology
Keqin Gu
Keqin Gu Southern Illinois University Edwardsville
Maurizio Porfiri
Maurizio Porfiri New York University
Jie Chen
Jie Chen Beihang University

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