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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 40 4379 4201 1551 1449 118 15198

R. Krishnan publications per year

The chart shows the history of publications by R. Krishnan between 1977 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. R. Krishnan published across 48 years, from 1977 to 2024, averaging 2.6 papers a year. Output peaked at 19 publications in 2017. 4 of the 127 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1977 to 2024. Vertical axis: number of publications, 0 to 19. Peak 19 publications in 2017. 1977: 1 publication 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 3 publications 1984: 1 publication 1985: 0 publications 1986: 0 publications 1987: 11 publications 1988: 7 publications 1989: 7 publications 1990: 4 publications 1991: 1 publication 1992: 0 publications 1993: 1 publication 1994: 0 publications 1995: 3 publications 1996: 3 publications 1997: 0 publications 1998: 3 publications 1999: 4 publications 2000: 2 publications 2001: 5 publications 2002: 3 publications 2003: 2 publications 2004: 1 publication 2005: 4 publications 2006: 5 publications 2007: 7 publications 2008: 6 publications 2009: 7 publications 2010: 2 publications 2011: 2 publications 2012: 4 publications 2013: 0 publications 2014: 1 publication 2015: 2 publications 2016: 0 publications 2017: 19 publications 2018: 0 publications 2019: 0 publications 2020: 2 publications 2021: 0 publications 2022: 0 publications 2023: 2 publications 2024: 2 publications
1977 2024

127 publications in total across all disciplines

View publications per year as a table
R. Krishnan: publications per year, 1977 to 2024
Year Publications
1977 1
1978 0
1979 0
1980 0
1981 0
1982 0
1983 3
1984 1
1985 0
1986 0
1987 11
1988 7
1989 7
1990 4
1991 1
1992 0
1993 1
1994 0
1995 3
1996 3
1997 0
1998 3
1999 4
2000 2
2001 5
2002 3
2003 2
2004 1
2005 4
2006 5
2007 7
2008 6
2009 7
2010 2
2011 2
2012 4
2013 0
2014 1
2015 2
2016 0
2017 19
2018 0
2019 0
2020 2
2021 0
2022 0
2023 2
2024 2
Total 127
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R. Krishnan publication distribution in Electronics and Electrical Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Electronics and Electrical Engineering in 2026. The highlighted bar marks where R. Krishnan sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 53 bars. Horizontal axis: publications, 34–53 to 1,065+. Vertical axis: number of scientists, 0 to 445. Most scientists, 445, have 174–193 publications. The last bar groups every scientist with 1,065 publications or more. The highlighted bar, 114–133 publications, is where this scientist sits. 34–53 publications: 24 scientists 54–73 publications: 52 scientists 74–93 publications: 114 scientists 94–113 publications: 203 scientists 114–133 publications: 269 scientists 134–153 publications: 355 scientists 154–173 publications: 403 scientists 174–193 publications: 445 scientists 194–213 publications: 430 scientists 214–233 publications: 431 scientists 234–253 publications: 399 scientists 254–273 publications: 366 scientists 274–293 publications: 335 scientists 294–313 publications: 300 scientists 314–333 publications: 276 scientists 334–353 publications: 250 scientists 354–373 publications: 214 scientists 374–393 publications: 187 scientists 394–413 publications: 152 scientists 414–433 publications: 169 scientists 434–453 publications: 147 scientists 454–473 publications: 111 scientists 474–493 publications: 117 scientists 494–513 publications: 103 scientists 514–533 publications: 99 scientists 534–553 publications: 92 scientists 554–573 publications: 75 scientists 574–593 publications: 58 scientists 594–613 publications: 69 scientists 614–633 publications: 50 scientists 634–653 publications: 62 scientists 654–673 publications: 54 scientists 674–693 publications: 44 scientists 694–713 publications: 37 scientists 714–733 publications: 28 scientists 734–753 publications: 26 scientists 754–773 publications: 26 scientists 774–793 publications: 19 scientists 794–813 publications: 23 scientists 814–833 publications: 20 scientists 834–853 publications: 16 scientists 854–873 publications: 20 scientists 874–893 publications: 11 scientists 894–913 publications: 11 scientists 914–933 publications: 16 scientists 934–953 publications: 13 scientists 954–973 publications: 10 scientists 974–993 publications: 11 scientists 994–1,013 publications: 9 scientists 1,014–1,033 publications: 9 scientists 1,034–1,053 publications: 10 scientists 1,054–1,064 publications: 6 scientists 1,065+ publications: 99 scientists
34–53 publications 1,065+

This scientist: 118 publications — 7th percentile

7% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,065 publications or more.

View publications distribution as a table
Number of Electronics and Electrical Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
Publications Scientists This scientist
34–53 24
54–73 52
74–93 114
94–113 203
114–133 269 118
134–153 355
154–173 403
174–193 445
194–213 430
214–233 431
234–253 399
254–273 366
274–293 335
294–313 300
314–333 276
334–353 250
354–373 214
374–393 187
394–413 152
414–433 169
434–453 147
454–473 111
474–493 117
494–513 103
514–533 99
534–553 92
554–573 75
574–593 58
594–613 69
614–633 50
634–653 62
654–673 54
674–693 44
694–713 37
714–733 28
734–753 26
754–773 26
774–793 19
794–813 23
814–833 20
834–853 16
854–873 20
874–893 11
894–913 11
914–933 16
934–953 13
954–973 10
974–993 11
994–1,013 9
1,014–1,033 9
1,034–1,053 10
1,054–1,064 6
1,065+ 99
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R. Krishnan D-index placement in Electronics and Electrical Engineering in 2026

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

No. of scientists
50 100 150 200 250
Bar chart with 82 bars. Horizontal axis: D-Index, 30 to 111+. Vertical axis: number of scientists, 0 to 263. Most scientists, 263, have 32 D-Index. The last bar groups every scientist with 111 D-Index or more. The highlighted bar, 40 D-Index, is where this scientist sits. 30 D-Index: 178 scientists 31 D-Index: 257 scientists 32 D-Index: 263 scientists 33 D-Index: 262 scientists 34 D-Index: 244 scientists 35 D-Index: 236 scientists 36 D-Index: 211 scientists 37 D-Index: 220 scientists 38 D-Index: 214 scientists 39 D-Index: 214 scientists 40 D-Index: 205 scientists 41 D-Index: 187 scientists 42 D-Index: 194 scientists 43 D-Index: 201 scientists 44 D-Index: 155 scientists 45 D-Index: 189 scientists 46 D-Index: 148 scientists 47 D-Index: 160 scientists 48 D-Index: 134 scientists 49 D-Index: 130 scientists 50 D-Index: 141 scientists 51 D-Index: 156 scientists 52 D-Index: 108 scientists 53 D-Index: 130 scientists 54 D-Index: 112 scientists 55 D-Index: 97 scientists 56 D-Index: 111 scientists 57 D-Index: 102 scientists 58 D-Index: 108 scientists 59 D-Index: 120 scientists 60 D-Index: 103 scientists 61 D-Index: 93 scientists 62 D-Index: 92 scientists 63 D-Index: 74 scientists 64 D-Index: 77 scientists 65 D-Index: 73 scientists 66 D-Index: 64 scientists 67 D-Index: 69 scientists 68 D-Index: 60 scientists 69 D-Index: 39 scientists 70 D-Index: 57 scientists 71 D-Index: 59 scientists 72 D-Index: 46 scientists 73 D-Index: 49 scientists 74 D-Index: 38 scientists 75 D-Index: 35 scientists 76 D-Index: 32 scientists 77 D-Index: 35 scientists 78 D-Index: 31 scientists 79 D-Index: 22 scientists 80 D-Index: 34 scientists 81 D-Index: 31 scientists 82 D-Index: 34 scientists 83 D-Index: 23 scientists 84 D-Index: 18 scientists 85 D-Index: 30 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 20 scientists 89 D-Index: 8 scientists 90 D-Index: 17 scientists 91 D-Index: 7 scientists 92 D-Index: 14 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 12 scientists 97 D-Index: 10 scientists 98 D-Index: 10 scientists 99 D-Index: 12 scientists 100 D-Index: 16 scientists 101 D-Index: 5 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 8 scientists 105 D-Index: 9 scientists 106 D-Index: 13 scientists 107 D-Index: 4 scientists 108 D-Index: 5 scientists 109 D-Index: 10 scientists 110 D-Index: 8 scientists 111+ D-Index: 96 scientists
30 D-Index 111+

This scientist: 40 D-Index — 36th percentile

36% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 111 D-Index or more.

View D-Index distribution as a table
Number of Electronics and Electrical Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
D-Index Scientists This scientist
30 178
31 257
32 263
33 262
34 244
35 236
36 211
37 220
38 214
39 214
40 205 40
41 187
42 194
43 201
44 155
45 189
46 148
47 160
48 134
49 130
50 141
51 156
52 108
53 130
54 112
55 97
56 111
57 102
58 108
59 120
60 103
61 93
62 92
63 74
64 77
65 73
66 64
67 69
68 60
69 39
70 57
71 59
72 46
73 49
74 38
75 35
76 32
77 35
78 31
79 22
80 34
81 31
82 34
83 23
84 18
85 30
86 19
87 19
88 20
89 8
90 17
91 7
92 14
93 9
94 15
95 10
96 12
97 10
98 10
99 12
100 16
101 5
102 7
103 7
104 8
105 9
106 13
107 4
108 5
109 10
110 8
111+ 96
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Overview

R. Krishnan is affiliated with Virginia Tech in the United States and has contributed to various research fields spanning engineering, biotechnology, and health sciences. Their work is positioned at the intersection of technical innovation and health-related applications, as evidenced by their diverse publication record and research topics.

The scientist's research output includes studies on dementia and cognitive impairment, enzyme production and characterization, and power systems engineering. Their focus on health is reflected in topics such as dementia, cognitive aging, and probiotics, while their engineering contributions involve microgrid control, frequency control, and renewable energy system stability.

Recent publications by R. Krishnan cover a range of interdisciplinary subjects:

  • Validation, Deployment, and Real-World Implementation of a Modular Toolbox for Alzheimer's Disease Detection and Dementia Risk Reduction: The AD-RIDDLE Project, 2024, The Journal of Prevention of Alzheimer s Disease
  • Identification and characterisation of dextran produced by a novel high yielding Weissella cibaria Fiplydextran strain, 2024, International Journal of Biological Macromolecules
  • Battery Energy Storage for Renewable Energy Integrated Power System Stability Enhancement, 2023, International Journal of Science Engineering and Technology

These papers indicate an engagement with both life sciences and engineering disciplines. The Alzheimer's disease detection toolbox research falls under psychiatry and mental health, while work on dextran production relates to food science, biotechnology, and nutrition. The study on battery energy storage contributes to engineering fields concerned with renewable energy and power system stability.

Collaborations are an integral part of R. Krishnan's research. Frequent coauthors include:

  • Kristina Malzbender
  • Pietro Paolo Barbarino
  • Phyllis Ferrell
  • Angela C. Bradshaw
  • Anthony J. Brookes

The venues where Krishnan frequently publishes reflect the diversity of their work:

  • The Journal of Prevention of Alzheimer s Disease
  • International Journal of Biological Macromolecules
  • International Journal of Science Engineering and Technology

Main fields of study include engineering, with subfields extending into psychiatry and mental health, health toxicology and mutagenesis, biotechnology, nutrition and dietetics, and food science. Their research topics highlight an integration of multiple scientific domains:

  • Dementia and Cognitive Impairment Research
  • Health, Environment, Cognitive Aging
  • Enzyme Production and Characterization
  • Food Composition and Properties
  • Probiotics and Fermented Foods
  • Microgrid Control and Optimization
  • Frequency Control in Power Systems

Best Publications

  • Switched reluctance motor drives : modeling, simulation, analysis, design, and applications

    R Krishnan

  • Modeling, simulation, and analysis of permanent-magnet motor drives. I. The permanent-magnet synchronous motor drive

    P. Pillay;R. Krishnan

  • Modeling, simulation, and analysis of permanent-magnet motor drives. II. The brushless DC motor drive

    P. Pillay;R. Krishnan

  • Permanent Magnet Synchronous and Brushless DC Motor Drives

    Ramu Krishnan

  • Control in Power Electronics: selected problems

    Marian P. Kazmierkowski;R. Krishnan;Frede Blaabjerg

  • Modeling of permanent magnet motor drives

    P. Pillay;R. Krishnan

  • Application characteristics of permanent magnet synchronous and brushless DC motors for servo drives

    P. Pillay;R. Krishnan

  • Switched Reluctance Motor Drives

    R. Krishnan

  • Control characteristics and speed controller design for a high performance permanent magnet synchronous motor drive

    P. Pillay;R. Krishnan

  • Study of Parameter Sensitivity in High-Performance Inverter-Fed Induction Motor Drive Systems

    R. Krishnan;Frank C. Doran

  • Performance comparisons of radial and axial field, permanent magnet, brushless machines

    K. Sitapati;R. Krishnan

  • Design procedure for switched-reluctance motors

    R. Krishnan;R. Arumugan;J.F. Lindsay

  • A review of parameter sensitivity and adaptation in indirect vector controlled induction motor drive systems

    R. Krishnan;A.S. Bharadwaj

  • Noise in electric machines: a review

    P. Vijayraghavan;R. Krishnan

  • Estimation of switched reluctance motor losses

    P.N. Materu;R. Krishnan

  • Ropeless Elevator With Linear Switched Reluctance Motor Drive Actuation Systems

    Hong Sun Lim;R. Krishnan

  • Design and Control of a Linear Propulsion System for an Elevator Using Linear Switched Reluctance Motor Drives

    Hong Sun Lim;R. Krishnan;N.S. Lobo

  • Design of a linear switched reluctance machine

    Byeong-Seok Lee;Han-Kyung Bae;P. Vijayraghavan;R. Krishnan

  • Sensorless Control of Single Switch-Based Switched Reluctance Motor Drive Using Neural Network

    C.A. Hudson;N.S. Lobo;R. Krishnan

  • Novel Two-phase Switched Reluctance Machine using Common-Pole E-Core Structure: Concept, Analysis, and Experimental Verification

    Cheewoo Lee;R. Krishnan;N.S. Lobo

  • Comparison of Linear Switched Reluctance Machines for Vertical Propulsion Application: Analysis, Design and Experimental Correlation

    N.S. Lobo;Hong Sun Lim;R. Krishnan

Frequent Co-Authors

Pragasen Pillay
Pragasen Pillay Concordia University
Marian P. Kazmierkowski
Marian P. Kazmierkowski Warsaw University of Technology
Mariusz Malinowski
Mariusz Malinowski Warsaw University of Technology
Mario J. Duran
Mario J. Duran University of Malaga
William Rosehart
William Rosehart University of Calgary
Marco Liserre
Marco Liserre Kiel University
Leopoldo G. Franquelo
Leopoldo G. Franquelo University of Seville
Frede Blaabjerg
Frede Blaabjerg Aalborg University
Hosein Farzanehfard
Hosein Farzanehfard Isfahan University of Technology
José A. Aguado
José A. Aguado University of Malaga

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