World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
38
Citations
6403
World Ranking
7999
National Ranking
2205

Ou Ma 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 Ou Ma 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: 181 publications — 40th percentile

40% of scientists in this discipline score the same or lower.

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

Ou Ma 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 Ou Ma 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: 38 D-Index — 20th percentile

20% of scientists in this discipline score the same or lower.

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

Overview

Ou Ma is affiliated with the University of Cincinnati in the United States and works primarily in the fields of Engineering and Computer Science. Their research focuses on several subfields, including Aerospace Engineering, Computer Vision and Pattern Recognition, Control and Systems Engineering, Artificial Intelligence, and Mechanical Engineering.

The scientist's recent publications highlight a focus on robotics and related technologies. Notable papers include:

  • "Robotic Manipulation and Capture in Space: A Survey" (2021) published in Frontiers in Robotics and AI
  • "Predictive Estimation of Optimal Signal Strength From Drones Over IoT Frameworks in Smart Cities" (2021) published in IEEE Transactions on Mobile Computing
  • "Blockchain-Empowered Security and Energy Efficiency of Drone Swarm Consensus for Environment Exploration" (2022) published in IEEE Transactions on Green Communications and Networking
  • "Human Posture Recognition Using a Hybrid of Fuzzy Logic and Machine Learning Approaches" (2020) published in IEEE Access
  • "Decentralized Control of Multi-Robot System in Cooperative Object Transportation Using Deep Reinforcement Learning" (2020) published in IEEE Access

Ou Ma has frequently collaborated with a set of coauthors, including Yufeng Sun, Andrew Barth, Caleb Bisig, Anoop Sathyan, and Tianqi Ma. These collaborations have resulted in multiple publications spanning a range of robotics and control systems topics.

The scientist's work has been published repeatedly in several key venues, notably:

  • Frontiers in Robotics and AI
  • IEEE Access
  • arXiv (Cornell University)
  • Drones
  • Multibody System Dynamics

Their research topics extensively cover areas related to robotics and autonomous systems. Specific main topics of study include:

  • Robotic Path Planning Algorithms
  • Modular Robots and Swarm Intelligence
  • Distributed Control Multi-Agent Systems
  • Reinforcement Learning in Robotics
  • Robot Manipulation and Learning
  • Robotic Locomotion and Control
  • UAV Applications and Optimization

Ou Ma's publications reflect integration of multiple approaches such as deep reinforcement learning, fuzzy logic, and machine learning to address challenges in cooperative robotics, drone technology, and human posture recognition.

Best Publications

  • A review of space robotics technologies for on-orbit servicing

    Angel Flores-Abad;Ou Ma;Khanh Pham;Steve Ulrich

  • Survey on Collaborative Smart Drones and Internet of Things for Improving Smartness of Smart Cities

    Saeed H. Alsamhi;Ou Ma;Mohammad Samar Ansari;Faris A. Almalki

  • Architecture singularities of platform manipulators

    O. Ma;J. Angeles

  • Optimum architecture design of platform manipulators

    O. Ma;J. Angeles

  • Vibration analysis of cable-driven parallel manipulators

    Xiumin Diao;Ou Ma

  • Robotic Manipulation and Capture in Space: A Survey.

    Evangelos Papadopoulos;Farhad Aghili;Ou Ma;Roberto Lampariello

  • Collaboration of Drone and Internet of Public Safety Things in Smart Cities: An Overview of QoS and Network Performance Optimization

    Saeed H. Alsamhi;Ou Ma;M. Samar Ansari;Sachin Kumar Gupta

  • On-Orbit Identification of Inertia Properties of Spacecraft Using a Robotic Arm

    Ou Ma;Hung Dang;Khanh Pham

  • The concept of dynamic isotropy and its applications to inverse kinematics and trajectory planning

    O. Ma;J. Angeles

  • Optimum design of manipulators under dynamic isotropy conditions

    O. Ma;J. Angeles

  • MDSF — A generic development and simulation facility for flexible, complex robotic systems

    Ou Ma;Kerman Buhariwala;Neil Roger;John MacLean

  • Greening internet of things for greener and smarter cities: a survey and future prospects

    Saeed H. Alsamhi;Saeed H. Alsamhi;Ou Ma;Mohammad Samar Ansari;Qingliang Meng

  • Optimal Control of Space Robots for Capturing a Tumbling Object with Uncertainties

    Angel Flores-Abad;Zheng Wei;Ou Ma;Khanh Pham

  • Dynamic Simulation of n-Axis Serial Robotic Manipulators Using a Natural Orthogonal Complement

    Jorge Angeles;Ou Ma

  • A method of verifying force-closure condition for general cable manipulators with seven cables

    Xiumin Diao;Ou Ma

  • Survey on artificial intelligence based techniques for emerging robotic communication

    Saeed H. Alsamhi;Saeed H. Alsamhi;Ou Ma;Mohammad Samar Ansari;Mohammad Samar Ansari

  • Use of industrial robots for hardware-in-the-loop simulation of satellite rendezvous and docking

    Ou Ma;Angel Flores-Abad;Toralf Boge

  • Predictive Estimation of Optimal Signal Strength from Drones over IoT Frameworks in Smart Cities

    Saeed Hamood Alsamhi;Faris Almalki;Ou Ma;Mohammad Samar Ansari

  • Passive Gravity Compensation Mechanisms: Technologies and Applications

    Qi Lu;Carlos Ortega;Ou Ma

  • An extended bristle friction force model with experimental validation

    Jianxun Liang;Steven Fillmore;Ou Ma

  • An algorithm for the inverse dynamics of n-axis general manipulators using Kane's equations

    J. Angeles;O. Ma;A. Rojas

  • Engineering Notes Optimal Control of Space Robots for Capturing a Tumbling Object with Uncertainties

    Angel Flores-Abad;Zheng Wei;Ou Ma;Khanh Pham

Frequent Co-Authors

Jorge Angeles
Jorge Angeles McGill University
Hongxing Liu
Hongxing Liu University of Alabama
Inna Sharf
Inna Sharf McGill University
Richard P. Stumpf
Richard P. Stumpf National Oceanic and Atmospheric Administration
Meyer Nahon
Meyer Nahon McGill University
Enrico Pontelli
Enrico Pontelli New Mexico State University
Evangelos Papadopoulos
Evangelos Papadopoulos National Technical University of Athens
Sarthak Misra
Sarthak Misra University of Groningen

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