Dr MOHAMMAD REZA ILKHANI's Outputs (30)

High Speed Synchronous Machines: Technologies and Limits (2025)
Journal Article
Di Nardo, M., Gallicchio, G., Cupertino, F., Palmieri, M., Ilkhani, M. R., Degano, M., & Gerada, C. (2025). High Speed Synchronous Machines: Technologies and Limits. IEEE Open Journal of Industry Applications, 6, 93-106. https://doi.org/10.1109/OJIA.2025.3531227

This paper presents a comprehensive comparison of high-speed synchronous machines, encompassing synchronous reluctance, its permanent magnet variant and surface permanent magnet synchronous motors. The evaluation of their maximum performance capabili... Read More about High Speed Synchronous Machines: Technologies and Limits.

Design Methodologies of High Speed Surface Permanent Magnet Synchronous Machines (2023)
Presentation / Conference Contribution
Gallicchio, G., Cupertino, F., Di Nardo, M., Reza Ilkhani, M., & Gerada, C. (2023, May). Design Methodologies of High Speed Surface Permanent Magnet Synchronous Machines. Presented at 2023 IEEE International Electric Machines and Drives Conference, IEMDC 2023, San Francisco, USA

This paper investigates the challenges of designing high speed surface permanent magnet synchronous motors. In particular, the material selection of the permanent magnet retaining system is addressed considering all its multi-physics implication. Fir... Read More about Design Methodologies of High Speed Surface Permanent Magnet Synchronous Machines.

The Friction of Radially Loaded Hybrid Spindle Bearings under High Speeds (2023)
Journal Article
Gärtner, M., Brecher, C., Neus, S., Eckel, H. M., Bartelt, A., Hoppert, M., & Ilkhani, M. R. (2023). The Friction of Radially Loaded Hybrid Spindle Bearings under High Speeds. Machines, 11(6), Article 649. https://doi.org/10.3390/machines11060649

Friction losses are an important parameter for evaluating the operational behaviour of high-speed rolling bearings. Specifically, in machine tool applications, the bearings are subjected to high radial loads and high speeds, which lead to increased f... Read More about The Friction of Radially Loaded Hybrid Spindle Bearings under High Speeds.

Optimal Design of Bearingless Multi-Three Phases Permanent Magnet Synchronous Machines (2023)
Presentation / Conference Contribution
Di Nardo, M., Ilkhani, M. R., Wang, M., Degano, M., Gerada, C., Gallicchio, G., Cupertino, F., Gartner, M., Brecher, C., & Hoppert, M. (2023, May). Optimal Design of Bearingless Multi-Three Phases Permanent Magnet Synchronous Machines. Presented at 2023 IEEE International Electric Machines & Drives Conference (IEMDC), San Francisco, CA, USA

This paper addresses the design of a multi-three phases sectorial permanent magnet synchronous machine for bearingless applications. After a brief description of the mathematical model of this machine topology along with some preliminary design consi... Read More about Optimal Design of Bearingless Multi-Three Phases Permanent Magnet Synchronous Machines.

Rotor Vibration Control using Multi-Three-Phase Permanent Magnet Synchronous Machines (2023)
Presentation / Conference Contribution
Di Nardo, M., Ilkhani, M. R., Wang, M., Degano, M., Gerada, C., Sala, G., Spadi, T., Gaertner, M., Brecher, C., & Hoppert, M. (2023, May). Rotor Vibration Control using Multi-Three-Phase Permanent Magnet Synchronous Machines. Presented at 2023 IEEE International Electric Machines & Drives Conference (IEMDC), San Francisco, USA

This paper investigates the possibility to control the radial displacements of the shaft of an electrical machine equipped with a multi-three-phase winding arrangement with the aim of reducing the related vibrations. A comprehensive dynamic modeling... Read More about Rotor Vibration Control using Multi-Three-Phase Permanent Magnet Synchronous Machines.

Design of an aircraft generator with radial force control [version 3; peer review: 2 approved] (2023)
Journal Article
Brecher, C., Neus, S., Gärtner, M., Eckel, H.-M., Hoppert, M., James, B., Gerada, C., Degano, M., Ilkhani, M. R., & Di Nardo, M. (2023). Design of an aircraft generator with radial force control [version 3; peer review: 2 approved]. Open Research Europe, Article 73. https://doi.org/10.12688/openreseurope.14684.2

With the increasing electrical energy demands in aviation propulsion systems, the increase in the onboard generators’ power density is inevitable. During the flight, forces coming from the gearbox or gyroscopic forces generated by flight manoeuvres l... Read More about Design of an aircraft generator with radial force control [version 3; peer review: 2 approved].

Design of an aircraft generator with radial force control. (2023)
Journal Article
Brecher, C., Neus, S., Gärtner, M., Eckel, H.-M., Hoppert, M., James, B., Gerada, C., Degano, M., Ilkhani, M. R., & Di Nardo, M. (2023). Design of an aircraft generator with radial force control. Open Research Europe, 2, Article 73. https://doi.org/10.12688/openreseurope.14684.3

With the increasing electrical energy demands in aviation propulsion systems, the increase in the onboard generators’ power density is inevitable. During the flight, forces coming from the gearbox or gyroscopic forces generated by flight manoeuvres l... Read More about Design of an aircraft generator with radial force control..

Surface Permanent Magnet Synchronous Machines: High Speed Design and Limits (2022)
Journal Article
Gallicchio, G., Nardo, M. D., Palmieri, M., Ilkhani, M. R., Degano, M., Gerada, C., & Cupertino, F. (2023). Surface Permanent Magnet Synchronous Machines: High Speed Design and Limits. IEEE Transactions on Energy Conversion, 38(2), 1311-1324. https://doi.org/10.1109/tec.2022.3225224

Surface permanent magnet synchronous machines are one of the most widely adopted machine topologies in high-speed applications where efficiency and power factor cannot be compromised. Although the design of such machine type has been extensively inve... Read More about Surface Permanent Magnet Synchronous Machines: High Speed Design and Limits.

Practical Implementation and Associated Challenges of Integrated Torque Limiter (2022)
Presentation / Conference Contribution
Ilkhani, M. R., Syed, S. A., Connor, P. H., Vakil, G., Gerada, C., Rashed, M., & Benarous, M. Practical Implementation and Associated Challenges of Integrated Torque Limiter

Evolving of aircraft design towards further electrification requires safe and fault-free operation of all the components. More electric aircraft are increasingly utilizing electro-mechanical actuators (EMA). EMAs are prone to jamming and subsequent f... Read More about Practical Implementation and Associated Challenges of Integrated Torque Limiter.

An Abaqus plugin for efficient damage initiation hotspot identification in large-scale composite structures with repeated features (2021)
Journal Article
Zou, X., Yan, S., Ilkhani, M. R., Brown, L., Jones, A., & Hamadi, M. (2021). An Abaqus plugin for efficient damage initiation hotspot identification in large-scale composite structures with repeated features. Advances in Engineering Software, 153, Article 102964. https://doi.org/10.1016/j.advengsoft.2020.102964

© 2021 Elsevier Ltd Identifying the hotspots for damage initiation in large-scale composite structure designs presents a significant challenge due to the high modelling cost. For most industrial applications, the finite element (FE) models are often... Read More about An Abaqus plugin for efficient damage initiation hotspot identification in large-scale composite structures with repeated features.

An efficient multiscale surrogate modelling framework for composite materials considering progressive damage based on artificial neural networks (2020)
Journal Article
Yan, S., Zou, X., Ilkhani, M., & Jones, A. (2020). An efficient multiscale surrogate modelling framework for composite materials considering progressive damage based on artificial neural networks. Composites Part B: Engineering, 194, https://doi.org/10.1016/j.compositesb.2020.108014

© 2020 Elsevier Ltd Modelling of the progressive damage behaviour of large-scale composite structures presents a significant challenge in terms of computational cost. This is due to the detailed description in finite element (FE) models for the mater... Read More about An efficient multiscale surrogate modelling framework for composite materials considering progressive damage based on artificial neural networks.

Molecular dynamics simulation and size dependent cylindrical shell models for vibrations of spinning axially loaded carbon nanotubes (2019)
Journal Article
Ilkhani, M., & Nazemnezhad, R. (2019). Molecular dynamics simulation and size dependent cylindrical shell models for vibrations of spinning axially loaded carbon nanotubes. European Journal of Mechanics - A/Solids, 77, Article 103804. https://doi.org/10.1016/j.euromechsol.2019.103804

Today nanotubes are main parts of nano-machines who withstand against axial and vibrational loads. So, in this paper a mathematical model is presented to predict behavior of a spinning nanotube under axial load. For this purpose, classical thin shell... Read More about Molecular dynamics simulation and size dependent cylindrical shell models for vibrations of spinning axially loaded carbon nanotubes.

Small scale and spin effects on free transverse vibration of size-dependent nano-scale beams (2019)
Journal Article
Ilkhani, M. R., Nazemnezhad, R., & Hosseini-Hashemi, S. (2019). Small scale and spin effects on free transverse vibration of size-dependent nano-scale beams. Journal of the Brazilian Society of Mechanical Sciences and Engineering, 41(11), Article 511. https://doi.org/10.1007/s40430-019-1997-z

© 2019, The Brazilian Society of Mechanical Sciences and Engineering. This study aims to investigate the transverse vibration of size-dependent nano-beam which spins about its longitudinal axis. To this end, nano-beams are modeled based on the Euler–... Read More about Small scale and spin effects on free transverse vibration of size-dependent nano-scale beams.

Comparison of Three Speed Loop Designs for a High Speed Nine-phase Permanent Magnet Synchronous Machine in More Electric Aircraft (2017)
Presentation / Conference Contribution
Tang, M., Chen, Y., Yang, T., & Ilkhani, M. (2022, October). Comparison of Three Speed Loop Designs for a High Speed Nine-phase Permanent Magnet Synchronous Machine in More Electric Aircraft. Presented at IECON 2022 – 48th Annual Conference of the IEEE Industrial Electronics Society, Brussels, Belgium

A high speed nine phase permanent magnet synchronous machine (PMSM) has been designed for more electric aircraft (MEA) for the sake of high power density and fault-tolerant capability. This paper addresses the speed loop design of the high speed PMSM... Read More about Comparison of Three Speed Loop Designs for a High Speed Nine-phase Permanent Magnet Synchronous Machine in More Electric Aircraft.

Exact solution for free vibrations of spinning nanotube based on nonlocal first order shear deformation shell theory (2016)
Journal Article
Hosseini-Hashemi, S., & Ilkhani, M. (2016). Exact solution for free vibrations of spinning nanotube based on nonlocal first order shear deformation shell theory. Composite Structures, 157, 1-11. https://doi.org/10.1016/j.compstruct.2016.08.019

Spinning nanotubes are the main part of power transmission units in nano-machines. So, having proper information about the dynamic behavior of them are very important. So, as the basis of each dynamics problem free vibration of spinning nanotube is a... Read More about Exact solution for free vibrations of spinning nanotube based on nonlocal first order shear deformation shell theory.

On the free vibrations of size-dependent closed micro/nano-spherical shell based on the modified couple stress theory (2016)
Journal Article
Hosseini-Hashemi, S., Sharifpour, F., & Ilkhani, M. R. (2016). On the free vibrations of size-dependent closed micro/nano-spherical shell based on the modified couple stress theory. International Journal of Mechanical Sciences, 115-116, 501-515. https://doi.org/10.1016/j.ijmecsci.2016.07.007

Since classical theory is incapable to justify size-dependency of small scale systems such as micro-electro-mechanics (MEMs) or nano-electro-mechanics (NEMs) systems, modified couple stress theory (MCST) has been developed in order to capture the siz... Read More about On the free vibrations of size-dependent closed micro/nano-spherical shell based on the modified couple stress theory.

Nonlocal modeling for dynamic stability of spinning nanotube under axial load (2016)
Journal Article
Hosseini-Hashemi, S., & Ilkhani, M. R. (2017). Nonlocal modeling for dynamic stability of spinning nanotube under axial load. Meccanica, 52, 1107-1121. https://doi.org/10.1007/s11012-016-0441-z

Spinning nanotubes are the main part of different high precision nano-machines such as nano sensors, nano motors, and nano pumps. Nanotubes experience various types of loads in such devices. In this paper, different type of instability for a spinning... Read More about Nonlocal modeling for dynamic stability of spinning nanotube under axial load.

Size dependent vibro-buckling of rotating beam based on modified couple stress theory (2016)
Journal Article
Ilkhani, M., & Hosseini-Hashemi, S. (2016). Size dependent vibro-buckling of rotating beam based on modified couple stress theory. Composite Structures, 143, 75-83. https://doi.org/10.1016/j.compstruct.2016.02.013

Micro-electro-mechanical and nano-electro-mechanical machines such as micro/nano pumps use a rotating beam as their energy transmission part. For such devices, dynamics behavior of a low scale tangentially loaded rotating beam is so important. Theref... Read More about Size dependent vibro-buckling of rotating beam based on modified couple stress theory.

Free vibrations of thin rectangular nano-plates using wave propagation approach (2015)
Journal Article
Ilkhani, M., Bahrami, A., & Hosseini-Hashemi, S. (2016). Free vibrations of thin rectangular nano-plates using wave propagation approach. Applied Mathematical Modelling, 40(2), 1287-1299. https://doi.org/10.1016/j.apm.2015.06.032

The wave propagation approach is one of the most powerful techniques used in vibration problems. This method gives the propagation and reflection matrix which is useful for the analysis of mechanical energy transmission in micro/nano devices like ene... Read More about Free vibrations of thin rectangular nano-plates using wave propagation approach.

Free vibrations of functionally graded viscoelastic cylindrical panel under various boundary conditions (2015)
Journal Article
Hosseini-Hashemi, S., Abaei, A., & Ilkhani, M. (2015). Free vibrations of functionally graded viscoelastic cylindrical panel under various boundary conditions. Composite Structures, 126, 1-15. https://doi.org/10.1016/j.compstruct.2015.02.031

Polymeric foams are new materials which prefer special mechanical and thermal properties for mechanical designers. The best mathematical model for polymeric and metallic foams is functionally graded viscoelastic (FGV) materials. So, this paper has co... Read More about Free vibrations of functionally graded viscoelastic cylindrical panel under various boundary conditions.