Publications | Nishanth Gadiyar

2025

Development of Solid Synchronous Reluctance Rotors With Multi-Material Additive Manufacturing

Dante Newman, Patrick Faue, Nishanth Gadiyar, Behzad Rankouhi, Frank E Pfefferkorn, Dan J Thoma, and Eric Severson

IEEE Transactions on Industry Applications, 2025

@article{newman2024development,
  title = {Development of Solid Synchronous Reluctance Rotors With Multi-Material Additive Manufacturing},
  author = {Newman, Dante and Faue, Patrick and Gadiyar, Nishanth and Rankouhi, Behzad and Pfefferkorn, Frank E and Thoma, Dan J and Severson, Eric},
  journal = {IEEE Transactions on Industry Applications},
  year = {2025},
  doi = {10.1109/TIA.2024.3522210},
  publisher = {IEEE},
  category = {Journals},
}

2024

IEEE-TIA

Design of Electric Machine Windings to Independently Control Multiple Airgap Harmonics

Nishanth Gadiyar, Anvar Khamitov, and Eric L. Severson

IEEE Transactions on Industry Applications, 2024

DOI Bib

@article{10313586,
  author = {Gadiyar, Nishanth and Khamitov, Anvar and Severson, Eric L.},
  journal = {IEEE Transactions on Industry Applications},
  title = {Design of Electric Machine Windings to Independently Control Multiple Airgap Harmonics},
  year = {2024},
  volume = {60},
  number = {2},
  pages = {3039-3050},
  keywords = {Windings;Harmonic analysis;Rotors;Torque;Electric machines;Stars;Power system harmonics;Electric machines;multiphase machines;multi-harmonic machines;winding design;multiple airgap fields;torque enhancement;bearingless machines;brushless excitation systems},
  doi = {10.1109/TIA.2023.3331662},
  category = {Journals},
}

IEEE-TIA

Evaluation of Torque-Dense Electric Machine Technology for Off-Highway Vehicle Electrification

Nishanth Gadiyar, James VandeVen, and Eric L. Severson

IEEE Transactions on Industry Applications, 2024

DOI Bib

@article{10328391,
  author = {Gadiyar, Nishanth and VandeVen, James and Severson, Eric L.},
  journal = {IEEE Transactions on Industry Applications},
  title = {Evaluation of Torque-Dense Electric Machine Technology for Off-Highway Vehicle Electrification},
  year = {2024},
  volume = {60},
  number = {2},
  pages = {3062-3074},
  keywords = {Electric machines;Torque;Hydraulic systems;Pumps;Stress;Magnetic flux;Topology;Off-highway vehicles;torque density;hydraulic machines;multi-harmonic current injection;combined radial-axial flux machines;magnetic gears;magnetically-geared machines;electrification},
  doi = {10.1109/TIA.2023.3335890},
  category = {Journals}
}

2023

IEEE-TIA

A Review of Axial Flux Permanent Magnet Machine Technology

Nishanth Gadiyar, Joachim Van Verdeghem, and Eric L. Severson

IEEE Transactions on Industry Applications, 2023

DOI Bib

@article{10076914,
  author = {Gadiyar, Nishanth and Van Verdeghem, Joachim and Severson, Eric L.},
  journal = {IEEE Transactions on Industry Applications},
  title = {A Review of Axial Flux Permanent Magnet Machine Technology},
  year = {2023},
  volume = {59},
  number = {4},
  pages = {3920-3933},
  keywords = {Torque;Rotors;Loading;Mathematical models;Three-dimensional displays;Stator windings;Magnetic flux;Analysis;axial flux machines;axial flux machine sizing;bearingless machines;commercial axial flux machines;combined radial-axial flux machines;electric machine thermal management;fabrication;flux weakening;optimization;PM machines;speed-power capability;magnetically geared machines},
  doi = {10.1109/TIA.2023.3258933},
  category = {Journals}
}

IEEE-TEC

Characterization of an Axial Flux Machine With an Additively Manufactured Stator

Nishanth Gadiyar, Alexander D. Goodall, Iain Todd, and Eric L. Severson

IEEE Transactions on Energy Conversion, 2023

DOI Bib

@article{10149361,
  author = {Gadiyar, Nishanth and Goodall, Alexander D. and Todd, Iain and Severson, Eric L.},
  journal = {IEEE Transactions on Energy Conversion},
  title = {Characterization of an Axial Flux Machine With an Additively Manufactured Stator},
  year = {2023},
  volume = {38},
  number = {4},
  pages = {2717-2729},
  keywords = {Magnetic flux;Soft magnetic materials;Stator windings;Stator cores;Steel;Lamination;Eddy currents;3D printed electric machines;axial flux machines;metal additive manufacturing;eddy current limiting structures;electric machine fabrication;hilbert pattern},
  doi = {10.1109/TEC.2023.3285539},
  category = {Journals},
}

Elsevier MatToday

Loss performance of an additively manufactured axial flux machine stator with an eddy-current limiting structure

Alexander D Goodall, Nishanth Gadiyar, Eric L Severson, and Iain Todd

Materials Today Communications, 2023

Bib

@article{goodall2023loss,
  title = {Loss performance of an additively manufactured axial flux machine stator with an eddy-current limiting structure},
  author = {Goodall, Alexander D and Gadiyar, Nishanth and Severson, Eric L and Todd, Iain},
  journal = {Materials Today Communications},
  volume = {35},
  pages = {105978},
  year = {2023},
  publisher = {Elsevier},
  category = {Journals}
}

IEEE-ECCE

Solid high-speed synchronous reluctance rotor enabled by multi-material additive manufacturing

Dante Newman, Patrick Faue, Nishanth Gadiyar, Behzad Rankouhi, Frank E Pfefferkorn, Dan J Thoma, and Eric Severson

In 2023 IEEE Energy Conversion Congress and Exposition (ECCE), 2023

Bib

@inproceedings{newman2023solid,
  title = {Solid high-speed synchronous reluctance rotor enabled by multi-material additive manufacturing},
  author = {Newman, Dante and Faue, Patrick and Gadiyar, Nishanth and Rankouhi, Behzad and Pfefferkorn, Frank E and Thoma, Dan J and Severson, Eric},
  booktitle = {2023 IEEE Energy Conversion Congress and Exposition (ECCE)},
  pages = {3965--3972},
  year = {2023},
  organization = {IEEE},
  category = {Conference proceedings}
}

IEEE-ITEC

Design and optimization of a fast-switching electromagnetic valve actuator for off-highway vehicle hydraulic systems

Parth Purohit, Arpan Chatterjee, Nishanth Gadiyar, Pia Strampp, Perry Y Li, and Eric L Severson

In 2023 IEEE Transportation Electrification Conference & Expo (ITEC), 2023

Bib

@inproceedings{purohit2023design,
  title = {Design and optimization of a fast-switching electromagnetic valve actuator for off-highway vehicle hydraulic systems},
  author = {Purohit, Parth and Chatterjee, Arpan and Gadiyar, Nishanth and Strampp, Pia and Li, Perry Y and Severson, Eric L},
  booktitle = {2023 IEEE Transportation Electrification Conference \& Expo (ITEC)},
  pages = {1--6},
  year = {2023},
  organization = {IEEE},
  category = {Conference proceedings}
}

2022

IEEE-TIA

Development of an Integrated Electro-Hydraulic Machine to Electrify Off-highway Vehicles

Nishanth Gadiyar, Garrett Bohach, Md Minal Nahin, James VandeVen, and Eric L. Severson

IEEE Transactions on Industry Applications, 2022

DOI Bib

@article{9826430,
  author = {Gadiyar, Nishanth and Bohach, Garrett and Nahin, Md Minal and VandeVen, James and Severson, Eric L.},
  journal = {IEEE Transactions on Industry Applications},
  title = {Development of an Integrated Electro-Hydraulic Machine to Electrify Off-highway Vehicles},
  year = {2022},
  volume = {58},
  number = {5},
  pages = {6163-6174},
  keywords = {Hydraulic systems;Pumps;Electric machines;Power system measurements;Density measurement;Torque;Rails;Axial flux machine;electric machine design;hydraulic-electric integration;multiphysics optimization;off-highway vehicle electrification;power density;radial piston pump},
  doi = {10.1109/TIA.2022.3189609},
  category = {Journals},
}

IEEE-ECCE

Topology optimization of electric machines: A review

Nishanth Gadiyar, and Bingnan Wang

In 2022 IEEE Energy Conversion Congress and Exposition (ECCE), 2022

Bib

@inproceedings{nishanth2022topology,
  title = {Topology optimization of electric machines: A review},
  author = {Gadiyar, Nishanth and Wang, Bingnan},
  booktitle = {2022 IEEE Energy Conversion Congress and Exposition (ECCE)},
  pages = {1--8},
  year = {2022},
  organization = {IEEE},
  category = {Conference proceedings}
}

IEEE-ITEC

A review of torque-dense electric drive systems with potential to bridge the gap with hydraulics for off-highway vehicle electrification

Nishanth Gadiyar, and Eric L Severson

In 2022 IEEE Transportation Electrification Conference & Expo (ITEC), 2022

Bib

@inproceedings{nishanth2022review,
  title = {A review of torque-dense electric drive systems with potential to bridge the gap with hydraulics for off-highway vehicle electrification},
  author = {Gadiyar, Nishanth and Severson, Eric L},
  booktitle = {2022 IEEE Transportation Electrification Conference \& Expo (ITEC)},
  pages = {397--402},
  year = {2022},
  organization = {IEEE},
  category = {Conference proceedings}
}

IEEE-ECCE

Design of multiphase motor windings for control of multiple airgap fields

Nishanth Gadiyar, Anvar Khamitov, and Eric L Severson

In 2022 IEEE Energy Conversion Congress and Exposition (ECCE), 2022

Bib

@inproceedings{nishanth2022design,
  title = {Design of multiphase motor windings for control of multiple airgap fields},
  author = {Gadiyar, Nishanth and Khamitov, Anvar and Severson, Eric L},
  booktitle = {2022 IEEE Energy Conversion Congress and Exposition (ECCE)},
  pages = {1--8},
  year = {2022},
  organization = {IEEE},
  category = {Conference proceedings}
}

IEEE-ONCON

Development of a Machine Learning Technique to Accurately Estimate Battery State of Charge

Varsha Pendyala, and Nishanth Gadiyar

In 2022 IEEE 1st Industrial Electronics Society Annual On-Line Conference (ONCON), 2022

Bib

@inproceedings{pendyala2022development,
  title = {Development of a Machine Learning Technique to Accurately Estimate Battery State of Charge},
  author = {Pendyala, Varsha and Gadiyar, Nishanth},
  booktitle = {2022 IEEE 1st Industrial Electronics Society Annual On-Line Conference (ONCON)},
  pages = {1--6},
  year = {2022},
  organization = {IEEE},
  category = {Conference proceedings}
}

2021

IEEE-ECCE

Recent advances in analysis and design of axial flux permanent magnet electric machines

Nishanth Gadiyar, Joachim Van Verdeghem, and Eric L Severson

In 2021 IEEE Energy Conversion Congress and Exposition (ECCE), 2021

Bib

@inproceedings{nishanth2021recent,
  title = {Recent advances in analysis and design of axial flux permanent magnet electric machines},
  author = {Gadiyar, Nishanth and Van Verdeghem, Joachim and Severson, Eric L},
  booktitle = {2021 IEEE Energy Conversion Congress and Exposition (ECCE)},
  pages = {3745--3752},
  year = {2021},
  organization = {IEEE},
  category = {Conference proceedings}
}

IEEE-IEMDC

A review of thermal analysis and management of power dense electric machines

Nishanth Gadiyar, Martin Johnson, and Eric L Severson

In 2021 IEEE International Electric Machines & Drives Conference (IEMDC), 2021

Bib

@inproceedings{nishanth2021review,
  title = {A review of thermal analysis and management of power dense electric machines},
  author = {Gadiyar, Nishanth and Johnson, Martin and Severson, Eric L},
  booktitle = {2021 IEEE International Electric Machines \& Drives Conference (IEMDC)},
  pages = {1--8},
  year = {2021},
  organization = {IEEE},
  category = {Conference proceedings}
}

ASME-FPMC

Dynamic modeling and design of a radial hydrostatic piston pump for integrated pump-motor

Md Minal Nahin, Garrett R Bohach, Nishanth Gadiyar, Eric L Severson , and James D VandeVen

In Fluid Power Systems Technology, 2021

Bib

@inproceedings{nahin2021dynamic,
  title = {Dynamic modeling and design of a radial hydrostatic piston pump for integrated pump-motor},
  author = {Nahin, Md Minal and Bohach, Garrett R and Gadiyar, Nishanth and Severson, Eric L and VandeVen, James D},
  booktitle = {Fluid Power Systems Technology},
  volume = {85239},
  pages = {V001T01A028},
  year = {2021},
  organization = {American Society of Mechanical Engineers},
  category = {Conference proceedings}
}

2020

IEEE-ECCE

Design of an axial flux machine with an integrated hydraulic pump for off-highway vehicle electrification

Nishanth Gadiyar, Garrett Bohach, Md Minal Nahin, James VandeVen, and Eric L Severson

In 2020 IEEE Energy Conversion Congress and Exposition (ECCE), 2020

Bib

@inproceedings{nishanth2020design,
  title = {Design of an axial flux machine with an integrated hydraulic pump for off-highway vehicle electrification},
  author = {Gadiyar, Nishanth and Bohach, Garrett and Nahin, Md Minal and VandeVen, James and Severson, Eric L},
  booktitle = {2020 IEEE Energy Conversion Congress and Exposition (ECCE)},
  pages = {1772--1779},
  year = {2020},
  organization = {IEEE},
  category = {Conference proceedings}
}

IEEE-ITEC

Comparison of linear and rotary electric machine topologies for a hybrid hydraulic electric architecture of off-highway vehicles

Nishanth Gadiyar, Anvar Khamitov, and Eric L Severson

In 2020 IEEE Transportation Electrification Conference & Expo (ITEC), 2020

Bib

@inproceedings{nishanth2020comparison,
  title = {Comparison of linear and rotary electric machine topologies for a hybrid hydraulic electric architecture of off-highway vehicles},
  author = {Gadiyar, Nishanth and Khamitov, Anvar and Severson, Eric L},
  booktitle = {2020 IEEE Transportation Electrification Conference \& Expo (ITEC)},
  pages = {1063--1068},
  year = {2020},
  organization = {IEEE},
  category = {Conference proceedings}
}

2019

arXiv

Analysis of an Induction Machine Fed by a Space Vector Modulated VSI

Nishanth Gadiyar

arXiv preprint arXiv:2209.05254, 2019

Bib

@article{nishanth2022analysis,
  title = {Analysis of an Induction Machine Fed by a Space Vector Modulated VSI},
  author = {Gadiyar, Nishanth},
  journal = {arXiv preprint arXiv:2209.05254},
  year = {2019},
  category = {Pre-prints}
}

IEEE-ECCE

Design of a highly integrated electric-hydraulic machine for electrifying off-highway vehicles

Nishanth Gadiyar, Garrett Bohach, James VandeVen, and Eric L Severson

In 2019 IEEE Energy Conversion Congress and Exposition (ECCE), 2019

Bib

@inproceedings{nishanth2019design,
  title = {Design of a highly integrated electric-hydraulic machine for electrifying off-highway vehicles},
  author = {Gadiyar, Nishanth and Bohach, Garrett and VandeVen, James and Severson, Eric L},
  booktitle = {2019 IEEE Energy Conversion Congress and Exposition (ECCE)},
  pages = {3983--3990},
  year = {2019},
  organization = {IEEE},
  category = {Conference proceedings}
}