PhD Thesis

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« Modelling and simulation of the mixed signal and multi domain Microsystems : toward virtual prototyping of an autonomous microsystem ».

Author: A. Zenati
Advisor: S. Basrour
President of jury: J. Delamare
thesis reviewer(s): T. Bourouina, I. O'Connor,
These de Doctorat Université Joseph-Fourier - Grenoble I
Speciality: Micro et Nano Electronique
Defense: October 26 2007
ISBN: 978-2-84813-109-2


The work carried in this thesis deals with the modeling and simulation of multi-disciplinary microsystems composed of devices coming from different domains: electromechanical, digital and analog electronics and electrochemical. Our goal is to propose virtual prototypes for autonomous microsystems. Such microsystems are able to generate, from mechanical vibrations, the needed electric energy to power the overall system, making it electrically independent. A method for collaborative modelling under the MATLAB/Simulink environment is proposed allowing to study the complex behaviour of these microsystems. This is achieved at different levels of detail and relies on two simulation approaches. The first approach allows verifying the behavior of the virtual prototype within the same environment through global simulation. The second approach relies on a co-simulation interface with VHDL under ModelSim. Compared to the results measured on the physical prototype, the obtained simulation results showed the reliability and effectiveness of the proposed method.

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