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Gregory S. Chirikjian

Gregory S. Chirikjian

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Mechanical and Aerospace Engineering 64 546 495 242 203 346 16044
Electronics and Electrical Engineering 62 1436 1373 589 549 342 15863

Gregory S. Chirikjian publications per year

The chart shows the history of publications by Gregory S. Chirikjian between 1990 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Gregory S. Chirikjian published across 36 years, from 1990 to 2025, averaging 13.7 papers a year. Output peaked at 31 publications in 2021. 27 of the 493 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1990 to 2025. Vertical axis: number of publications, 0 to 31. Peak 31 publications in 2021. 1990: 1 publication 1991: 4 publications 1992: 4 publications 1993: 7 publications 1994: 8 publications 1995: 8 publications 1996: 11 publications 1997: 3 publications 1998: 10 publications 1999: 4 publications 2000: 30 publications 2001: 8 publications 2002: 8 publications 2003: 15 publications 2004: 20 publications 2005: 16 publications 2006: 16 publications 2007: 15 publications 2008: 11 publications 2009: 18 publications 2010: 18 publications 2011: 10 publications 2012: 22 publications 2013: 13 publications 2014: 18 publications 2015: 22 publications 2016: 20 publications 2017: 8 publications 2018: 21 publications 2019: 21 publications 2020: 14 publications 2021: 31 publications 2022: 14 publications 2023: 17 publications 2024: 14 publications 2025: 13 publications
1990 2025

493 publications in total across all disciplines

View publications per year as a table
Gregory S. Chirikjian: publications per year, 1990 to 2025
Year Publications
1990 1
1991 4
1992 4
1993 7
1994 8
1995 8
1996 11
1997 3
1998 10
1999 4
2000 30
2001 8
2002 8
2003 15
2004 20
2005 16
2006 16
2007 15
2008 11
2009 18
2010 18
2011 10
2012 22
2013 13
2014 18
2015 22
2016 20
2017 8
2018 21
2019 21
2020 14
2021 31
2022 14
2023 17
2024 14
2025 13
Total 493
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Gregory S. Chirikjian publications per year - data summary

  • Gregory S. Chirikjian, a Mechanical and Aerospace Engineering scholar from University of Delaware, has 493 publications recorded across 36 years, from 1990 to 2025.
  • The oldest publication on record dates to 1990 and the most recent to 2025.
  • The most productive year is 2021, with 31 publications.
  • The least productive year with any output is 1990, with 1 publication.
  • The rate of publication averages 13.7 papers per year over the whole span, or 13.7 per year counting only the 36 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 89 publications, 18% of the career total.
  • Split into equal eras - 1990-2001: 98 publications (8.2 per year); 2002-2013: 182 publications (15.2 per year); 2014-2025: 213 publications (17.8 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Gregory S. Chirikjian publication distribution in Mechanical and Aerospace Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mechanical and Aerospace Engineering in 2026. The highlighted bar marks where Gregory S. Chirikjian sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 63 bars. Horizontal axis: publications, 47–56 to 659+. Vertical axis: number of scientists, 0 to 155. Most scientists, 155, have 147–156 publications. The last bar groups every scientist with 659 publications or more. The highlighted bar, 337–346 publications, is where this scientist sits. 47–56 publications: 10 scientists 57–66 publications: 23 scientists 67–76 publications: 32 scientists 77–86 publications: 62 scientists 87–96 publications: 67 scientists 97–106 publications: 91 scientists 107–116 publications: 113 scientists 117–126 publications: 115 scientists 127–136 publications: 130 scientists 137–146 publications: 140 scientists 147–156 publications: 155 scientists 157–166 publications: 132 scientists 167–176 publications: 133 scientists 177–186 publications: 130 scientists 187–196 publications: 140 scientists 197–206 publications: 115 scientists 207–216 publications: 125 scientists 217–226 publications: 117 scientists 227–236 publications: 99 scientists 237–246 publications: 92 scientists 247–256 publications: 100 scientists 257–266 publications: 95 scientists 267–276 publications: 88 scientists 277–286 publications: 77 scientists 287–296 publications: 74 scientists 297–306 publications: 74 scientists 307–316 publications: 62 scientists 317–326 publications: 70 scientists 327–336 publications: 59 scientists 337–346 publications: 58 scientists 347–356 publications: 45 scientists 357–366 publications: 44 scientists 367–376 publications: 36 scientists 377–386 publications: 41 scientists 387–396 publications: 32 scientists 397–406 publications: 23 scientists 407–416 publications: 28 scientists 417–426 publications: 27 scientists 427–436 publications: 25 scientists 437–446 publications: 23 scientists 447–456 publications: 23 scientists 457–466 publications: 20 scientists 467–476 publications: 12 scientists 477–486 publications: 24 scientists 487–496 publications: 18 scientists 497–506 publications: 12 scientists 507–516 publications: 13 scientists 517–526 publications: 21 scientists 527–536 publications: 12 scientists 537–546 publications: 8 scientists 547–556 publications: 16 scientists 557–566 publications: 3 scientists 567–576 publications: 11 scientists 577–586 publications: 6 scientists 587–596 publications: 5 scientists 597–606 publications: 6 scientists 607–616 publications: 7 scientists 617–626 publications: 7 scientists 627–636 publications: 10 scientists 637–646 publications: 4 scientists 647–656 publications: 3 scientists 657–658 publications: 2 scientists 659+ publications: 100 scientists
47–56 publications 659+

This scientist: 346 publications — 81st percentile

81% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 659 publications or more.

View publications distribution as a table
Number of Mechanical and Aerospace Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 3,445 ranked scientists.
Publications Scientists This scientist
47–56 10
57–66 23
67–76 32
77–86 62
87–96 67
97–106 91
107–116 113
117–126 115
127–136 130
137–146 140
147–156 155
157–166 132
167–176 133
177–186 130
187–196 140
197–206 115
207–216 125
217–226 117
227–236 99
237–246 92
247–256 100
257–266 95
267–276 88
277–286 77
287–296 74
297–306 74
307–316 62
317–326 70
327–336 59
337–346 58 346
347–356 45
357–366 44
367–376 36
377–386 41
387–396 32
397–406 23
407–416 28
417–426 27
427–436 25
437–446 23
447–456 23
457–466 20
467–476 12
477–486 24
487–496 18
497–506 12
507–516 13
517–526 21
527–536 12
537–546 8
547–556 16
557–566 3
567–576 11
577–586 6
587–596 5
597–606 6
607–616 7
617–626 7
627–636 10
637–646 4
647–656 3
657–658 2
659+ 100
Download as CSV

Gregory S. Chirikjian publication distribution in Mechanical and Aerospace Engineering in 2026 - data summary

  • The chart plots the publication count of all 3,445 Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026, grouped into 63 ranges running from 47–56 to 659+ publications.
  • Gregory S. Chirikjian, a Mechanical and Aerospace Engineering scholar from University of Delaware, records 346 publications - the 81st percentile of the discipline.
  • 81% of ranked Mechanical and Aerospace Engineering scientists score the same or lower than Gregory S. Chirikjian, and about 19% score higher.
  • The median of the discipline falls in the 217–226 publications range, and Gregory S. Chirikjian ranks above the median.
  • The most crowded range is 147–156 publications, holding 155 scientists (4% of the field).
  • 46% of the field sits in the lowest quarter of the value range (up to 197–206 publications), so the distribution leans towards the lower end of the scale.
  • The final bar has no upper bound: it groups every scientist with 659 publications or more, 100 scientists in all (3% of the field).

Gregory S. Chirikjian D-index placement in Mechanical and Aerospace Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Gregory S. Chirikjian sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 64 bars. Horizontal axis: D-Index, 30 to 93+. Vertical axis: number of scientists, 0 to 189. Most scientists, 189, have 34 D-Index. The last bar groups every scientist with 93 D-Index or more. The highlighted bar, 64 D-Index, is where this scientist sits. 30 D-Index: 83 scientists 31 D-Index: 113 scientists 32 D-Index: 144 scientists 33 D-Index: 153 scientists 34 D-Index: 189 scientists 35 D-Index: 158 scientists 36 D-Index: 139 scientists 37 D-Index: 127 scientists 38 D-Index: 130 scientists 39 D-Index: 126 scientists 40 D-Index: 104 scientists 41 D-Index: 100 scientists 42 D-Index: 107 scientists 43 D-Index: 101 scientists 44 D-Index: 103 scientists 45 D-Index: 79 scientists 46 D-Index: 88 scientists 47 D-Index: 70 scientists 48 D-Index: 83 scientists 49 D-Index: 44 scientists 50 D-Index: 64 scientists 51 D-Index: 56 scientists 52 D-Index: 50 scientists 53 D-Index: 48 scientists 54 D-Index: 58 scientists 55 D-Index: 52 scientists 56 D-Index: 48 scientists 57 D-Index: 42 scientists 58 D-Index: 34 scientists 59 D-Index: 42 scientists 60 D-Index: 37 scientists 61 D-Index: 42 scientists 62 D-Index: 44 scientists 63 D-Index: 22 scientists 64 D-Index: 33 scientists 65 D-Index: 29 scientists 66 D-Index: 23 scientists 67 D-Index: 29 scientists 68 D-Index: 24 scientists 69 D-Index: 19 scientists 70 D-Index: 34 scientists 71 D-Index: 26 scientists 72 D-Index: 19 scientists 73 D-Index: 18 scientists 74 D-Index: 19 scientists 75 D-Index: 14 scientists 76 D-Index: 19 scientists 77 D-Index: 8 scientists 78 D-Index: 18 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 17 scientists 82 D-Index: 11 scientists 83 D-Index: 16 scientists 84 D-Index: 7 scientists 85 D-Index: 9 scientists 86 D-Index: 8 scientists 87 D-Index: 6 scientists 88 D-Index: 6 scientists 89 D-Index: 7 scientists 90 D-Index: 10 scientists 91 D-Index: 4 scientists 92 D-Index: 4 scientists 93+ D-Index: 100 scientists
30 D-Index 93+

This scientist: 64 D-Index — 85th percentile

85% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 93 D-Index or more.

View D-Index distribution as a table
Number of Mechanical and Aerospace Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 3,445 ranked scientists.
D-Index Scientists This scientist
30 83
31 113
32 144
33 153
34 189
35 158
36 139
37 127
38 130
39 126
40 104
41 100
42 107
43 101
44 103
45 79
46 88
47 70
48 83
49 44
50 64
51 56
52 50
53 48
54 58
55 52
56 48
57 42
58 34
59 42
60 37
61 42
62 44
63 22
64 33 64
65 29
66 23
67 29
68 24
69 19
70 34
71 26
72 19
73 18
74 19
75 14
76 19
77 8
78 18
79 16
80 12
81 17
82 11
83 16
84 7
85 9
86 8
87 6
88 6
89 7
90 10
91 4
92 4
93+ 100
Download as CSV

Gregory S. Chirikjian D-index placement in Mechanical and Aerospace Engineering in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 3,445 Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026, grouped into 64 ranges running from 30 to 93+ D-Index.
  • Gregory S. Chirikjian, a Mechanical and Aerospace Engineering scholar from University of Delaware, records 64 D-Index - the 85th percentile of the discipline.
  • 85% of ranked Mechanical and Aerospace Engineering scientists score the same or lower than Gregory S. Chirikjian, and about 15% score higher.
  • The median of the discipline falls in the 43 D-Index range, and Gregory S. Chirikjian ranks above the median.
  • The most crowded range is 34 D-Index, holding 189 scientists (5% of the field).
  • 57% of the field sits in the lowest quarter of the value range (up to 45 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 93 D-Index or more, 100 scientists in all (3% of the field).

Research.com Recognitions

  • 2010 - IEEE Fellow For contributions to hyper-redundant manipulators
  • 2008 - Fellow of the American Society of Mechanical Engineers

Overview

Gregory S. Chirikjian is affiliated with the University of Delaware in the United States. Their research spans multiple fields related to robotics, engineering, and computer science, with significant contributions to both theoretical and applied aspects of robotics technology.

The main fields of study in which they have published include:

  • Engineering
  • Computer Science

Within these fields, the subfields of study they focus on are:

  • Computer Vision and Pattern Recognition
  • Biomedical Engineering
  • Control and Systems Engineering
  • Computational Mechanics
  • Applied Mathematics

The primary topics of Gregory S. Chirikjian's work are diverse and cover many aspects of robotic technology and related disciplines. These topics include:

  • Robot Manipulation and Learning
  • Robotic Locomotion and Control
  • Human Pose and Action Recognition
  • 3D Shape Modeling and Analysis
  • Prosthetics and Rehabilitation Robotics
  • Robotic Path Planning Algorithms
  • Robotics and Sensor-Based Localization

They have published extensively in various venues, often appearing in:

  • arXiv (Cornell University)
  • IEEE Robotics and Automation Letters
  • Mechanism and Machine Theory
  • Robotica
  • IEEE Transactions on Robotics

Some recent papers authored by or involving Gregory S. Chirikjian include:

  • A concise guide to modelling the physics of embodied intelligence in soft robotics, 2022, Nature Reviews Physics
  • Efficient Path Planning in Narrow Passages for Robots With Ellipsoidal Components, 2022, IEEE Transactions on Robotics
  • An enhanced moment-based approach to time-dependent positional reliability analysis for robotic manipulators, 2020, Mechanism and Machine Theory
  • LSG-CPD: Coherent Point Drift with Local Surface Geometry for Point Cloud Registration, 2021, 2021 IEEE/CVF International Conference on Computer Vision (ICCV)
  • Robust and Accurate Superquadric Recovery: a Probabilistic Approach, 2022, 2022 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)

Frequent collaborators include the following researchers, indicating sustained partnerships over multiple projects and publications:

  • Sipu Ruan
  • Hongtao Wu
  • Weixiao Liu
  • Yuanfeng Han
  • Amitesh S. Jayaraman

Gregory S. Chirikjian has been recognized by professional organizations with distinctions such as:

  • IEEE Fellow (2010) for contributions to hyper-redundant manipulators
  • Fellow of the American Society of Mechanical Engineers (2008)

Best Publications

  • Modular Self-Reconfigurable Robot Systems [Grand Challenges of Robotics]

    M. Yim;Wei-Min Shen;B. Salemi;D. Rus

  • Nonholonomic Modeling of Needle Steering

    Robert J. Webster;Jin Seob Kim;Noah J. Cowan;Gregory S. Chirikjian

  • A modal approach to hyper-redundant manipulator kinematics

    G.S. Chirikjian;J.W. Burdick

  • Engineering Applications of Noncommutative Harmonic Analysis: With Emphasis on Rotation and Motion Groups

    GS Chirikjian;AB Kyatkin;AC Buckingham

  • The kinematics of hyper-redundant robot locomotion

    G.S. Chirikjian;J.W. Burdick

  • Useful metrics for modular robot motion planning

    A. Pamecha;I. Ebert-Uphoff;G.S. Chirikjian

  • Kinematic design and commutation of a spherical stepper motor

    G.S. Chirikjian;D. Stein

  • Devices and systems for minimally invasive surgery of the throat and other portions of mammalian body

    Nabil Simaan;Russell H. Taylor;Paul Flint;Gregory Chirikjian

  • Kinematically optimal hyper-redundant manipulator configurations

    G.S. Chirikjian;J.W. Burdick

  • Kinematics of a metamorphic robotic system

    G.S. Chirikjian

  • Modular Self-Reconfigurable Robot Systems

    Mark Yim;Wei-Min Shen;Behnam Salemi;Daniela Rus

  • An obstacle avoidance algorithm for hyper-redundant manipulators

    G.S. Chirikjian;J.W. Burdick

  • Equilibrium Conformations of Concentric-tube Continuum Robots

    D. Caleb Rucker;Robert J. Webster;Gregory S. Chirikjian;Noah J. Cowan

  • Design and Implementation of Metamorphic Robots

    Amit Pamecha;Chih-Jung Chiang;David Stein;Gregory Chirikjian

  • Efficient generation of feasible pathways for protein conformational transitions.

    Moon K. Kim;Robert L. Jernigan;Gregory S. Chirikjian

  • Hyper-redundant manipulator dynamics: a continuum approximation

    Gregory S. Chirikjian

  • Evaluating efficiency of self-reconfiguration in a class of modular robots

    Gregory S. Chirikjian;Amit Pamecha;Imme Ebert-Uphoff

  • Diffusion-Based Motion Planning for a Nonholonomic Flexible Needle Model

    Wooram Park;Jin Seob Kim;Yu Zhou;N.J. Cowan

  • Distal bevel-tip needle control device and algorithm

    Robert J. Webster;Allison M. Okamura;Noah J. Cowan;Gregory Chirikjian

  • A 'sidewinding' locomotion gait for hyper-redundant robots

    Joel W. Burdick;Jim Radford;Gregory S. Chirikjian

  • Nonholonomic Modeling of Needle Steering.

    Robert J. Webster;Noah J. Cowan;Gregory S. Chirikjian;Allison M. Okamura

  • Engineering Applications of Noncommutative Harmonic Analysis

    Alexander B. Kyatkin;Gregory S. Chirikjian

Frequent Co-Authors

Joel W. Burdick
Joel W. Burdick California Institute of Technology
Russell H. Taylor
Russell H. Taylor Johns Hopkins University
Gabor Fichtinger
Gabor Fichtinger Queen's University
Nabil Simaan
Nabil Simaan Vanderbilt University
Allison M. Okamura
Allison M. Okamura Stanford University
Daniel N. Rockmore
Daniel N. Rockmore Dartmouth College
Emad M. Boctor
Emad M. Boctor Johns Hopkins University
Robert L. Jernigan
Robert L. Jernigan Iowa State University
Mehran Armand
Mehran Armand Johns Hopkins University
Noah J. Cowan
Noah J. Cowan Johns Hopkins University

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