Publications de André Hodder | EPFL Graph Search

Levitation Force Enhancement in Single-Sided Linear Induction Motors

André Hodder, Mario Paolone, Simone Rametti

Traditional magnetic levitation trains (maglev) generally use two or three separate systems to perform propulsion, levitation, and guidance (PLG) functionalities. Linear electromagnetic motors (LEMs) may be used for propulsion, electromagnetic suspension ( ...

Institute of Electrical and Electronics Engineers (IEEE)2025

Analysis of Multiphase Single-Sided Linear Induction Motors for Combined Propulsion and Levitation of Maglev Vehicles

André Hodder, Mario Paolone, Lucien André Félicien Pierrejean, Simone Rametti

Thanks to the rapid growth of multiphase drives (MPDs), multiphase (MP) rotating electrical machines have gained popularity in the scientific community, demonstrating several advantages compared to traditional three-phase ones. Although MP rotating machine ...

Institute of Electrical and Electronics Engineers (IEEE)2025

Analytical Model of Single-Sided Linear Induction Motors for High-Speed Applications

André Hodder, Mario Paolone, Lucien André Félicien Pierrejean, Simone Rametti

This article describes a field-based analytical model of single-sided linear induction motors (SLIMs) that explicitly considers the following effects altogether: finite motor length, magnetomotive force mmf space harmonics, slot effect, edge effect, and ta ...

IEEE2024

Decoupled Levitation and Propulsion Control of Single-Sided Linear Induction Motors

André Hodder, Mario Paolone, Lucien André Félicien Pierrejean, Simone Rametti

This article describes a simultaneous and decoupled scheme for the control of levitation and propulsion forces of single-sided linear induction motors (SLIMs). The proposed control scheme utilizes a highly accurate SLIM analytical model to ensure the opera ...

IEEE2024

Pseudo-Three-Dimensional Analytical Model of Linear Induction Motors for High-Speed Applications

André Hodder, Mario Paolone, Lucien André Félicien Pierrejean, Simone Rametti

Literature on linear induction motors (LIMs) has proposed several approaches to model the behavior of such devices for different applications. In terms of accuracy and fidelity, field analysis-based models are the most relevant. Closed-form or numerical so ...

2024

A Review of Modeling, Design and Performance Assessment of Linear Electromagnetic Motors for High-Speed Transportation Systems

André Hodder, Mario Paolone, Lucien André Félicien Pierrejean, Simone Rametti

Linear electromagnetic motors (LEMs) have been proposed, developed and used to propel high-speed (i.e. speed > 100 m/s) levitating vehicles. However, few real implementations have demonstrated the feasibility of these machines at such speeds. Furthermore, ...

2024

Start-up of a Varspeed Group in Pump Mode, Practical Implementations and Tests

André Hodder, Basile Kawkabani

The present paper addresses the practical implementation in a test bench of different control strategies for the start-up of a varspeed group in pump mode. In varspeed groups using a double-fed induction machine supplied by back to back voltage source inve ...

IEEE2016

An Advanced Teaching Lab for the Setting up of an Islanded Production Unit

André Hodder, Basile Kawkabani

The present paper addresses an advanced teaching lab consisting of setting up an islanded production unit. This teaching lab takes place in the very last semester at master level for students in electrical engineering with energy specialization. The purpos ...

2013

HIL Simulation of a Mixed Islanded Power Network with External DSP Regulator

André Hodder, Basile Kawkabani, Philippe Allenbach, Sylvain Robert, Nicolas Junod, György Atilla Bànyai

The present paper deals with the development of a modular, flexible and structured block to block approach for the study of regulators by implementing the different blocks on a DSP (digital signal processor). The proposed low-cost approach has been applied ...

2012

An Advanced Teaching Lab for the Setting up of an Islanded Production Unit

André Hodder, Basile Kawkabani

The present paper addre teaching lab consisting of setting up an is unit. This teaching lab takes place in the ve master level for students in electrical engin specialization. The purpose of this teaching knowledge learned in different areas such as contro ...

2012

An analytical determination of the torque–speed and efficiency–speed characteristics

André Hodder, Yves Perriard, Miroslav Markovic

2009

Analysis of the Commutation Currents for a Sinusoidal BLDC Motor

André Hodder, Yves Perriard, Miroslav Markovic

2008

Benchmark Test of a Variable Speed Unit for Teaching Purposes

André Hodder, Basile Kawkabani, Jean-Jacques Simond, Sylvain Robert

Variable speed pump-turbine units have become nowadays an interesting way to increase stability of electrical power networks due to their high level of operating flexibility. Different advantages offered by variable speed pump-turbine units for both pumpin ...

2008

Double trouble

André Hodder, Alexander Schwery, Jean-Jacques Simond

This article presents the modeling, simulation, and practical application of a double-fed asynchronous motor-generator for pumped-storage plants equipped with a three-level VSI cascade. The problem of DC unbalance control is studied in this particular appl ...

2008

A New Electrically Assist Scooter

André Hodder, Yves Perriard

2008

Analytical Modelling of a BLDC Drive with 120°/180° Block Commutation

André Hodder, Yves Perriard

2008

Unbalanced DC-link voltage regulation in a back-to-back 3-level PWM converter for a doubly-fed induction motor/generator

André Hodder, Alexander Schwery, Jean-Jacques Simond

An unbalanced DC-link voltage regulation strategy is proposed for a three-level voltage source inverter used in the rotor cascade of a double-fed asynchronous motor-generator. The major problem in determining the presence of the unbalanced component is inv ...

2005

Doubly-Fed Asynchronous Machine with 3-Level VSI cascade for Variable Speed Pump Storage

André Hodder, Alain Sapin, Jean-Jacques Simond

This paper deals with a fixed-frequency variable-speed motor/generator with 3-level VSI (Voltage Source Inverter) cascade. The 3-level VSI is applied to a DASM (Doubly-fed ASynchronous Machine) for large pump storage plants. The extension to 3 levels is th ...

2000