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Electronics and Electrical Engineering
USA
2026
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Mechanical and Aerospace Engineering
USA
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Mechanical and Aerospace Engineering 108 38 36 20 18 299 22457
Electronics and Electrical Engineering 99 200 194 95 89 259 20546

Anthony H. Heap publications per year

The chart shows the history of publications by Anthony H. Heap between 2000 and 2021, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Anthony H. Heap published across 22 years, from 2000 to 2021, averaging 20.5 papers a year. Output peaked at 132 publications in 2008. 5 of the 452 publications appeared in the last two years.

No. of publications
25 50 75 100 125
Bar chart. Horizontal axis: year, 2000 to 2021. Vertical axis: number of publications, 0 to 132. Peak 132 publications in 2008. 2000: 1 publication 2001: 0 publications 2002: 0 publications 2003: 3 publications 2004: 5 publications 2005: 22 publications 2006: 34 publications 2007: 38 publications 2008: 132 publications 2009: 9 publications 2010: 17 publications 2011: 19 publications 2012: 39 publications 2013: 57 publications 2014: 32 publications 2015: 23 publications 2016: 13 publications 2017: 3 publications 2018: 0 publications 2019: 0 publications 2020: 4 publications 2021: 1 publication
2000 2021

452 publications in total across all disciplines

View publications per year as a table
Anthony H. Heap: publications per year, 2000 to 2021
Year Publications
2000 1
2001 0
2002 0
2003 3
2004 5
2005 22
2006 34
2007 38
2008 132
2009 9
2010 17
2011 19
2012 39
2013 57
2014 32
2015 23
2016 13
2017 3
2018 0
2019 0
2020 4
2021 1
Total 452
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Anthony H. Heap 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 Anthony H. Heap 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, 297–306 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: 299 publications — 72nd percentile

72% 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 74 299
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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Anthony H. Heap 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 Anthony H. Heap 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, 93+ 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: 108 D-Index — 99th percentile

99% 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
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+ 100 108
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Research.com Recognitions

  • 2026 - Research.com Electronics and Electrical Engineering in United States Leader Award
  • 2026 - Research.com Mechanical and Aerospace Engineering in United States Leader Award
  • 2025 - Research.com Electronics and Electrical Engineering in United States Leader Award

Overview

What is he best known for?

The fields of study he is best known for:

  • Electrical engineering
  • Mechanical engineering
  • Internal combustion engine

His primary areas of investigation include Powertrain, Control theory, Torque, Automotive engineering and Transmission. In his study, Electrical energy storage and Electrical engineering is strongly linked to Electric vehicle, which falls under the umbrella field of Powertrain. His Control theory research incorporates themes from Battery and Clutch.

In general Torque, his work in Hybrid powertrain is often linked to Transmission linking many areas of study. His work in Automotive engineering tackles topics such as Control engineering which are related to areas like Motor control and Powertrain control module. His work in Transmission addresses issues such as Control system, which are connected to fields such as Gear ratio.

His most cited work include:

  • Optimal selection of input torque considering battery utilization for a hybrid electric vehicle (207 citations)
  • Vehicle propulsion system (185 citations)
  • Method of providing electric motor torque reserve in a hybrid electric vehicle (171 citations)

What are the main themes of his work throughout his whole career to date?

His scientific interests lie mostly in Torque, Automotive engineering, Powertrain, Control theory and Transmission. His Torque research focuses on Clutch and how it connects with Slip. His research in Automotive engineering is mostly concerned with Internal combustion engine.

His study on Engine control unit is often connected to Propulsion as part of broader study in Internal combustion engine. Anthony H. Heap interconnects Battery and Electrical engineering in the investigation of issues within Powertrain. His Torque sensor, Torque converter and Control theory study, which is part of a larger body of work in Control theory, is frequently linked to Stall torque, bridging the gap between disciplines.

He most often published in these fields:

  • Torque (54.09%)
  • Automotive engineering (49.82%)
  • Powertrain (48.40%)

What were the highlights of his more recent work (between 2014-2021)?

  • Automotive engineering (49.82%)
  • Powertrain (48.40%)
  • Torque (54.09%)

In recent papers he was focusing on the following fields of study:

His main research concerns Automotive engineering, Powertrain, Torque, Internal combustion engine and Electric machine. His Automotive engineering research includes themes of State of charge, Engine power, Hybrid powertrain and Hybrid vehicle. His Powertrain study is concerned with the larger field of Control theory.

His work blends Control theory and State studies together. His Torque study which covers Transmission that intersects with Gear ratio. His research in Internal combustion engine focuses on subjects like Noise, which are connected to Muffler, Longitudinal engine, Mechanical energy and Battery.

Between 2014 and 2021, his most popular works were:

  • Method and apparatus for controlling operation of an internal combustion engine for a multi-mode powertrain system (12 citations)
  • Method and apparatus for controlling a powertrain system during deceleration (3 citations)
  • Method and apparatus for stabilizing an engine state selection using an energy-based stabilization strategy for hybrid powertrain systems (3 citations)

In his most recent research, the most cited papers focused on:

  • Electrical engineering
  • Mechanical engineering
  • Internal combustion engine

Anthony H. Heap mainly investigates Automotive engineering, Powertrain, Torque, Internal combustion engine and Control theory. His studies deal with areas such as Hybrid powertrain and Energy based as well as Automotive engineering. He undertakes interdisciplinary study in the fields of Torque and Stall torque through his works.

Anthony H. Heap has researched Internal combustion engine in several fields, including Longitudinal engine, Muffler and Noise. His study in the field of Control variable and Torque sensor also crosses realms of State. His Regenerative brake study combines topics from a wide range of disciplines, such as Cylinder and Torque converter, Clutch.

Best Publications

  • Optimal selection of input torque considering battery utilization for a hybrid electric vehicle

    William R. Cawthorne;Anthony H. Heap;Gregory A. Hubbard

  • Vehicle propulsion system

    Alan G. Holmes;Gregory A. Hubbard;Anthony H. Heap;William R. Cawthorne

  • Method and apparatus to control warm-up of an exhaust aftertreatment system for a hybrid powertrain

    Anthony H. Heap;John L. Lahti

  • Method of providing electric motor torque reserve in a hybrid electric vehicle

    Anthony H. Ann Arbor Heap;Tung-Ming Carmel Hsieh;Gregory A. Brighton Hubbard

  • Coordinated regenerative and engine retard braking for a hybrid vehicle

    Xuefeng T. Tao;Gregory A. Hubbard;Tung-Ming Hsieh;Anthony H. Heap

  • Method for dynamically determining peak output torque within battery constraints in a hybrid transmission including a parallel hybrid split

    Gregory A. Hubbard;Tung-Ming Hsieh;Anthony H. Heap

  • Optimal selection of input torque with stability of power flow for a hybrid electric vehicle

    Gregory A. Hubbard;Anthony H. Heap;Tung-Ming Hsieh

  • Method and apparatus to control an electro-mechanical transmission during shifting event

    Jy-Jen F. Sah;Anthony H. Heap

  • Control system architecture for a hybrid powertrain

    William R. Cawthorne;Mario V. Maiorana;Jy-Jen F. Sah;Sean E Gleason

  • Speed control for an electrically variable transmission

    Todd M Steinmetz;Anthony H. Heap;Gregory A. Hubbard;Jy-Jen F. Sah

  • Engine retard operation scheduling and management in a hybrid vehicle

    Xuefeng T. Tao;Gregory A. Hubbard;Tung-Ming Hsieh;Anthony H. Heap

  • System architecture for a blended braking system in a hybrid powertrain system

    Anthony H. Heap;William R. Cawthorne;Seamus T. McGrath;Timothy M. Karnjate

  • Diagnostic method for a torque control of an electrically variable transmission

    Anthony H. Ann Arbor Heap;Tung-Ming Carmel Hsieh;Gregory A. Brighton Hubbard;Todd M. Escanaba Steinmetz

  • Method for dynamically determining peak output torque in an electrically variable transmission

    Gregory A. Hubbard;Tung-Ming Hsieh;Anthony H. Heap

  • Control system for hybrid powertrain

    Anthony H. Heap

  • Method and apparatus to control launch of a vehicle having an electro-mechanical transmission

    Jy-Jen F. Sah;Anthony H. Heap;Gregory A. Hubbard

  • Method and apparatus to determine instantaneous engine power loss for a powertrain system

    John L. Lahti;Anthony H. Heap

  • Method and apparatus for real-time life estimation of an electric energy storage device in a hybrid electric vehicle

    Andrew M. Zettel;Anthony H. Heap

  • Real-time operating parameter selection in a vehicular transmission

    Gregory A. Hubbard;Anthony H. Heap;William R. Cawthorne

  • Control architecture for optimization and control of a hybrid powertrain system

    Anthony H. Heap;William R. Cawthorne

Frequent Co-Authors

Jy-Jen F. Sah
Jy-Jen F. Sah General Motors (United States)

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