World's Best Scientists 2026 revealed!
Patrick L. Chapman

Patrick L. Chapman

D-Index & Metrics

Electronics and Electrical Engineering

D-Index
40
Citations
13943
World Ranking
4384
National Ranking
1555

Patrick L. Chapman 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 Patrick L. Chapman sits on this spectrum.

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 publications 1,065+

This scientist: 171 publications — 20th percentile

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

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

Patrick L. Chapman 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 Patrick L. Chapman sits on this spectrum.

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.

Overview

What is he best known for?

The fields of study he is best known for:

  • Electrical engineering
  • Voltage
  • Mechanical engineering

Patrick L. Chapman spends much of his time researching Electronic engineering, Control theory, Power electronics, Photovoltaic system and Electrical engineering. He has included themes like Buck converter, Acoustics, Sine wave, Photovoltaics and Inductor in his Electronic engineering study. His Control theory research is multidisciplinary, incorporating perspectives in Torque ripple, Direct torque control and Buck–boost converter, Boost converter, Forward converter.

His Power electronics study integrates concerns from other disciplines, such as Electricity generation, Ripple and Harmonic elimination. His study in Photovoltaic system is interdisciplinary in nature, drawing from both Redundancy and Voltage. His Maximum power point tracking, Solar micro-inverter, Mppt controller and Pv power study in the realm of Voltage interacts with subjects such as Convergence.

His most cited work include:

  • Comparison of Photovoltaic Array Maximum Power Point Tracking Techniques (4030 citations)
  • Dynamic Maximum Power Point Tracking of Photovoltaic Arrays Using Ripple Correlation Control (437 citations)
  • A multiple-input DC-DC converter topology (304 citations)

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

His main research concerns Electronic engineering, Control theory, Electrical engineering, Converters and Inductor. The Electronic engineering study combines topics in areas such as Buck converter, Power electronics, Boost converter, Voltage and Photovoltaic system. His research in Photovoltaic system intersects with topics in Maximum power point tracking, Solar micro-inverter, Inverter and Grid-connected photovoltaic power system.

His Maximum power point tracking research is multidisciplinary, incorporating elements of Reliability and Maximum power principle. His work in the fields of Control theory, such as Nonlinear system, overlaps with other areas such as Reference frame. His Converters study incorporates themes from Pulse-width modulation and Realization.

He most often published in these fields:

  • Electronic engineering (52.34%)
  • Control theory (35.94%)
  • Electrical engineering (22.66%)

What were the highlights of his more recent work (between 2009-2013)?

  • Electronic engineering (52.34%)
  • Photovoltaic system (16.41%)
  • Maximum power point tracking (9.38%)

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

His primary areas of investigation include Electronic engineering, Photovoltaic system, Maximum power point tracking, Control theory and Converters. His Electronic engineering research includes elements of Power factor, Inductor, Power supply rejection ratio, Voltage and Power module. His Photovoltaic system research incorporates themes from Solar micro-inverter, Inverter and Grid-connected photovoltaic power system.

His work deals with themes such as Maximum power principle and Reliability, which intersect with Maximum power point tracking. The concepts of his Control theory study are interwoven with issues in Energy harvesting and Ćuk converter, Boost converter. His research investigates the link between Converters and topics such as Topology that cross with problems in Ripple.

Between 2009 and 2013, his most popular works were:

  • A Unified Approach to Reliability Assessment of Multiphase DC–DC Converters in Photovoltaic Energy Conversion Systems (110 citations)
  • Quadrature-Corrected Feedforward Control Apparatus and Method for DC-AC Power Conversion (80 citations)
  • Multiple-input boost converter to minimize power losses due to partial shading in photovoltaic modules (48 citations)

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

  • Electrical engineering
  • Mechanical engineering
  • Voltage

His primary areas of investigation include Electronic engineering, Converters, Photovoltaic system, Inverter and Control theory. His Electronic engineering research is multidisciplinary, relying on both Nonlinear system, Inductor and Direct current. In his work, Photovoltaic energy conversion, Redundancy, Topology and Solar micro-inverter is strongly intertwined with Photovoltaics, which is a subfield of Converters.

His research on Photovoltaic system frequently connects to adjacent areas such as Maximum power point tracking. His Inverter study is related to the wider topic of Voltage. His work on Sensitivity as part of general Control theory research is often related to Eigenvalues and eigenvectors, thus linking different fields of science.

Best Publications

  • Comparison of Photovoltaic Array Maximum Power Point Tracking Techniques

    T. Esram;P.L. Chapman

  • Dynamic Maximum Power Point Tracking of Photovoltaic Arrays Using Ripple Correlation Control

    T. Esram;J.W. Kimball;P.T. Krein;P.L. Chapman

  • A multiple-input DC-DC converter topology

    B.G. Dobbs;P.L. Chapman

  • Power budgeting of a multiple-input buck-boost converter

    N.D. Benavides;P.L. Chapman

  • Selective harmonic control: a general problem formulation and selected solutions

    J.R. Wells;B.M. Nee;P.L. Chapman;P.T. Krein

  • Modeling the Effect of Voltage Ripple on the Power Output of Photovoltaic Modules

    N.D. Benavides;P.L. Chapman

  • Modulation-Based Harmonic Elimination

    J.R. Wells;Xin Geng;P.L. Chapman;P.T. Krein

  • Evaluation of motions and actuation methods for biomechanical energy harvesting

    P. Niu;P. Chapman;R. Riemer;X. Zhang

  • A Unified Approach to Reliability Assessment of Multiphase DC–DC Converters in Photovoltaic Energy Conversion Systems

    S. V. Dhople;A. Davoudi;Alejandro D. Domínguez-García;P. L. Chapman

  • Telecommunications Power Plant Damage Assessment for Hurricane Katrina– Site Survey and Follow-Up Results

    A. Kwasinski;W.W. Weaver;P.L. Chapman;P.T. Krein

  • Method and Device for Controlling a Configurable Power Supply

    Patrick Chapman

  • Optimal current control strategies for surface-mounted permanent-magnet synchronous machine drives

    P.L. Chapman;S.D. Sudhoff;C.A. Whitcomb

  • Quadrature-Corrected Feedforward Control Apparatus and Method for DC-AC Power Conversion

    Patrick L. Chapman;Trishan Esram;Eric Martina;Brian T. Kuhn

  • Improvement of light-load efficiency using width-switching scheme for CMOS transistors

    S. Musunuri;P.L. Chapman

  • Development of three-dimensional inductors using plastic deformation magnetic assembly (PDMA)

    Jun Zou;Chang Liu;D.R. Trainor;J. Chen

  • An induction machine model for predicting inverter-machine interaction

    S. D. Sudhoff;D. C. Aliprantis;B. T. Kuhn;P. L. Chapman

  • Time domain comparison of pulse-width modulation schemes

    A. Kwasinski;P.T. Krein;P.L. Chapman

  • Multiple reference frame analysis of non-sinusoidal brushless DC drives

    P.L. Chapman;S.D. Sudhoff;C.A. Whitcomb

  • Modern laboratory-based education for power electronics and electric machines

    R.S. Balog;Z. Sorchini;J.W. Kimball;P.L. Chapman

  • Low-input-voltage, low-power boost converter design issues

    J.W. Kimball;T.L. Flowers;P.L. Chapman

  • Design issues for monolithic DC-DC converters

    S. Musunuri;P.L. Chapman;Jun Zou;Chang Liu

Frequent Co-Authors

Ali Davoudi
Ali Davoudi The University of Texas at Arlington
Philip T. Krein
Philip T. Krein University of Illinois at Urbana-Champaign
Sairaj V. Dhople
Sairaj V. Dhople University of Minnesota
Scott D. Sudhoff
Scott D. Sudhoff Purdue University West Lafayette
Jonathan W. Kimball
Jonathan W. Kimball Missouri University of Science and Technology
Alireza Khaligh
Alireza Khaligh University of Maryland, College Park
Juri Jatskevich
Juri Jatskevich University of British Columbia
Robert S. Balog
Robert S. Balog Texas A&M University
Brian Johnson
Brian Johnson University of Washington
Alejandro D. Dominguez-Garcia
Alejandro D. Dominguez-Garcia University of Illinois at Urbana-Champaign

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