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Topology Optimization for Coils of Electric Machine with Level-set Method

Publications associées (84)

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An Actuated Transfemoral Prosthesis with Optimized Polycentric Knee Joint

Serge Pfeifer

Powered transfemoral prostheses can give above-knee amputees more flexibility than passive devices, for example allowing them to ascend and descend stairs more easily, or allowing a more natural and symmetrical gait pattern. To achieve the high torques req ...

2012

Control of Current in AC Induction Machines with Pronounced Slot Harmonics for Smooth Torque

Nicolas Lorétan

AC introduction motors have been used in traction applications for a long time. They have a good efficiency for a low cost and are very robust. Most of these motors have been developed for industrial applications and they have a torque ripple because of th ...

2011

A BLAC Motor Drive for EPS System Application

Romain David Besuchet

EPS systems are more and more used in automotive application to save energy and create a more flexible tool for driver. A BLAC motor has been designed in the Prof. Shen's Laboratory and has a very sinusoidal waveform. In order to avoid the detent torque, a ...

2011

Modeling, Control, and Experimental Characterization of Microbiorobots

Mahmut Selman Sakar

In this paper, we describe how motile microorganisms can be integrated with engineered microstructures to develop a micro-bio-robotic system. SU-8 microstructures blotted with swarmer cells of Serratia Marcescens in a monolayer are propelled by the bacteri ...

SAGE Publications2011

Fabrication and characterization of 3D integrated 2 DOF Micromirror Arrays for excessive thermal loads

Nico de Rooij, Caglar Ataman, Wilfried Noell, Fabio Jutzi, Sébastien Lani, Dara Zaman Bayat

This paper reports a high fill-factor (>90%), 2-dimensional analog micromirror array designed specifically for very high, optically induced thermal load applications. Each pixel can attain a mechanical DC rotation angle of ±4 degrees around any arbitrary a ...

Ieee Service Center2011

An Analytical Solution for the Torque and Power of a Solid-Rotor Induction Motor

Yves Perriard, Miroslav Markovic

An analytical solution for the torque and power of a solid-rotor two-pole three-phase slotless induction motor is presented. The field excitation is a current layer placed at the stator interior surface. The solution is based on an analytical solution of t ...

IEEE2011

Until now, the preferred solution for MEMS (Micro Electro Mechanical Systems) actuation is the electrostatic one. The main reason is that this kind of actuators can be easily manufactured following the microfabrication rules, as their geometry perfectly fi ...

EPFL2010

Torque measurement methods for very high-speed motors

Yves Perriard, Pierre-Daniel Pfister

Purpose - The purpose of this paper is to develop a contactless torque measurement methods. The need for low-weight, high-efficiency and high-power density motors has led to an increased research and development activity in the field of very high speed (VH ...

2010

In this paper an Iterative Learning Control (ILC) algorithm is proposed for a certain class of Linear Parameter Varying (LPV) systems whose dynamics change between iterations. Consistency of the algorithm in the presence of stochastic disturbances is shown ...

Institute of Electrical and Electronics Engineers2010

Analytical Determination of the Phase Inductances of a Brushless DC Motor With Faulhaber Winding

Yves Perriard, Patrick Ragot, Miroslav Markovic

This paper presents a method to analytically model the self and mutual phase inductances of a brushless dc motor with a Faulhaber winding. The method of images is used to “remove” the motor iron parts in the model in order to analyze the winding completely ...

Institute of Electrical and Electronics Engineers2010