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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Mechanical and Aerospace Engineering 32 3161 2968 70 69 277 4188

Ja Choon Koo publications per year

The chart shows the history of publications by Ja Choon Koo between 1979 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ja Choon Koo published across 47 years, from 1979 to 2025, averaging 6.6 papers a year. Output peaked at 31 publications in 2006. 22 of the 309 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1979 to 2025. Vertical axis: number of publications, 0 to 31. Peak 31 publications in 2006. 1979: 1 publication 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 0 publications 1994: 0 publications 1995: 0 publications 1996: 0 publications 1997: 2 publications 1998: 0 publications 1999: 1 publication 2000: 2 publications 2001: 0 publications 2002: 1 publication 2003: 0 publications 2004: 7 publications 2005: 11 publications 2006: 31 publications 2007: 15 publications 2008: 10 publications 2009: 13 publications 2010: 10 publications 2011: 12 publications 2012: 19 publications 2013: 16 publications 2014: 17 publications 2015: 18 publications 2016: 14 publications 2017: 29 publications 2018: 9 publications 2019: 12 publications 2020: 9 publications 2021: 12 publications 2022: 10 publications 2023: 6 publications 2024: 9 publications 2025: 13 publications
1979 2025

309 publications in total across all disciplines

View publications per year as a table
Ja Choon Koo: publications per year, 1979 to 2025
Year Publications
1979 1
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 0
1991 0
1992 0
1993 0
1994 0
1995 0
1996 0
1997 2
1998 0
1999 1
2000 2
2001 0
2002 1
2003 0
2004 7
2005 11
2006 31
2007 15
2008 10
2009 13
2010 10
2011 12
2012 19
2013 16
2014 17
2015 18
2016 14
2017 29
2018 9
2019 12
2020 9
2021 12
2022 10
2023 6
2024 9
2025 13
Total 309
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Ja Choon Koo 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 Ja Choon Koo 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, 277–286 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: 277 publications — 67th percentile

67% 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 77 277
287–296 74
297–306 74
307–316 62
317–326 70
327–336 59
337–346 58
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
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Ja Choon Koo 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 Ja Choon Koo 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, 32 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: 32 D-Index — 10th percentile

10% 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 32
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
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
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Overview

Ja Choon Koo is affiliated with Sungkyunkwan University in South Korea, contributing extensively to the field of engineering with a focus on soft robotics and actuator technologies. Their research spans multiple subfields including biomedical engineering, mechanical engineering, control and systems engineering, cognitive neuroscience, and electrical and electronic engineering.

The scientist's publication record reflects a strong emphasis on soft robotics and related applications. They have contributed to these main topics in their work:

  • Soft Robotics and Applications
  • Advanced Sensor and Energy Harvesting Materials
  • Robot Manipulation and Learning
  • Prosthetics and Rehabilitation Robotics
  • Dielectric Materials and Actuators
  • Hydraulic and Pneumatic Systems
  • Muscle Activation and Electromyography Studies

Ja Choon Koo's frequent publication venues include:

  • IEEE Robotics and Automation Letters
  • Microsystem Technologies
  • Soft Robotics
  • Actuators
  • Mechatronics

Some of their recent papers are:

  • Development of a Quadruped Robot System With Torque-Controllable Modular Actuator Unit, 2020, IEEE Transactions on Industrial Electronics
  • Long Short Term Memory Model Based Position-Stiffness Control of Antagonistically Driven Twisted-Coiled Polymer Actuators Using Model Predictive Control, 2021, IEEE Robotics and Automation Letters
  • A Multi-Curvature, Variable Stiffness Soft Gripper for Enhanced Grasping Operations, 2021, Actuators
  • Variable Stiffness Robotic Hand Driven by Twisted-Coiled Polymer Actuators, 2022, IEEE Robotics and Automation Letters
  • Soft Artificial Muscle With Proprioceptive Feedback: Design, Modeling and Control, 2022, IEEE Robotics and Automation Letters

The scientist has collaborated frequently with several co-authors, including:

  • Hyungpil Moon
  • Hyouk Ryeol Choi
  • Tuan Luong
  • Hugo Rodrigue
  • Seung Ho Lee

Best Publications

  • Development of Soft-Actuator-Based Wearable Tactile Display

    Ig Mo Koo;Kwangmok Jung;Ja Choon Koo;Jae-Do Nam

  • Artificial annelid robot driven by soft actuators

    Kwangmok Jung;Ja Choon Koo;Jae-do Nam;Young Kwan Lee

  • Graphene oxide porous paper from amine-functionalized poly(glycidyl methacrylate)/graphene oxide core-shell microspheres

    Joonsuk Oh;Jun-Ho Lee;Ja Choon Koo;Hyouk Ryeol Choi

  • Biomimetic soft actuator: design, modeling, control, and applications

    Hyouk Ryeol Choi;Kwangmok Jung;S. Ryew;Jae-Do Nam

  • A transparent and stretchable graphene-based actuator for tactile display

    Uikyum Kim;Junmo Kang;Choonghan Lee;Hyeok Yong Kwon

  • A small biomimetic quadruped robot driven by multistacked dielectric elastomer actuators

    Canh Toan Nguyen;Hoa Phung;Tien Dat Nguyen;Choonghan Lee

  • Design analysis and fabrication of arrayed tactile display based on dielectric elastomer actuator

    Hyung Seok Lee;Hoa Phung;Dong-Hyuk Lee;Ui Kyum Kim

  • Effects of prestrain on behavior of dielectric elastomer actuator

    Hyouk Ryeol Choi;Kwangmok Jung;Nguyen Huu Chuc;Minyoung Jung

  • Electromechanically driven variable-focus lens based on transparent dielectric elastomer

    Sang-ik Son;David Pugal;Taeseon Hwang;Hyouk Ryeol Choi

  • Inspection Robot for Hanger Cable of Suspension Bridge: Mechanism Design and Analysis

    Kyeong Ho Cho;Ho Moon Kim;Young Hoon Jin;Fengyi Liu

  • A robotic finger driven by twisted and coiled polymer actuator

    Kyeong Ho Cho;Min Geun Song;Hosang Jung;Jungwoo Park

  • Development of Wall Climbing Robot System by Using Impeller Type Adhesion Mechanism

    Ig Mo Koo;Tran Duc Trong;Yoon Haeng Lee;Hyungpil Moon

  • The effects of additives on the actuating performances of a dielectric elastomer actuator

    Huu Chuc Nguyen;Vu Thuy Doan;Jong Kil Park;Ja Choon Koo

  • Tactile display as a Braille display for the visually disabled

    H.R. Choi;S.W. Lee;K.M. Jung;J.C. Koo

  • A solid state actuator based on the PEDOT/NBR system

    M.S. Cho;H.J. Seo;J.D. Nam;H.R Choi

  • High ionic conductivity and mechanical strength of solid polymer electrolytes based on NBR/ionic liquid and its application to an electrochemical actuator

    Misuk Cho;Hyunjoo Seo;Jedo Nam;Hyoukryeol Choi

  • Braille display device using soft actuator

    Sangwon Lee;Kwangmok Jung;Jachoon Koo;Sungil Lee

  • Development of enhanced synthetic elastomer for energy-efficient polymer actuators

    Kwangmok Jung;Joonho Lee;Misuk Cho;Ja Choon Koo

  • UV-curing kinetics and performance development of in situ curable 3D printing materials

    Ye Chan Kim;Sungyong Hong;Hanna Sun;Myeong Gi Kim

  • High performance twisted and coiled soft actuator with spandex fiber for artificial muscles

    Sang Yul Yang;Kyeong Ho Cho;Youngeun Kim;Min-Geun Song

  • A dielectric elastomer actuator with self-sensing capability

    Nguyen Huu Chuc;Doan Vu Thuy;Jonggil Park;Duksang Kim

  • Electrically controllable twisted-coiled artificial muscle actuators using surface-modified polyester fibers

    Jungwoo Park;Ji Wang Yoo;Hee Won Seo;Youngkwan Lee

  • Multifunctional Robotic Crawler for Inspection of Suspension Bridge Hanger Cables: Mechanism Design and Performance Validation

    Kyeong Ho Cho;Young Hoon Jin;Ho Moon Kim;Hyungpil Moon

  • Double Helix Twisted and Coiled Soft Actuator from Spandex and Nylon

    Kihyeon Kim;Kyeong Ho Cho;Ho Sang Jung;Sang Yul Yang

  • Joint Torque Sensor Embedded in Harmonic Drive Using Order Tracking Method for Robotic Application

    Byung-jin Jung;Byungchul Kim;Ja Choon Koo;Hyouk Ryeol Choi

  • Fabrication and Control of Rectilinear Artificial Muscle Actuator

    Nguyen Huu Chuc;Nguyen Huu Lam Vuong;Duk Sang Kim;Hyung Pil Moon

Frequent Co-Authors

Hyouk Ryeol Choi
Hyouk Ryeol Choi Sungkyunkwan University
Hyungpil Moon
Hyungpil Moon Sungkyunkwan University
Jae-Do Nam
Jae-Do Nam Sungkyunkwan University
Youngkwan Lee
Youngkwan Lee Sungkyunkwan University
Wan Kyun Chung
Wan Kyun Chung Pohang University of Science and Technology
Hong Gil Nam
Hong Gil Nam Daegu Gyeongbuk Institute of Science and Technology
Jae Wook Jeon
Jae Wook Jeon Sungkyunkwan University
Seong-Gi Kim
Seong-Gi Kim Sungkyunkwan University
Kwang J. Kim
Kwang J. Kim University of Nevada, Las Vegas
Pyung Ok Lim
Pyung Ok Lim Daegu Gyeongbuk Institute of Science and Technology

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