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Noticias
Se buscan candidatos para un contrato de Titulado Superior en el área de Tecnología Electrónica y de Comunicaciones, asociado al Proyecto de Investigación MARAGDA (Aproximación multi-nivel al diseño orientado a la fiabilidad de circuitos integrados analógicos y digitales).
El Instituto de Ciencias de la Educación (ICE) de la Universidad de Sevilla organiza este curso a celebrar en los laboratorios de la Escuela Politécnica Superior. Dirigido al personal de la US.
28, 29, 30 de Junio y 5, 6 de Julio 2016
[inscripción]
♦ Seminario IMSE-Forum
Presentación de los servicios que la empresa eSilicon presta a universidades y centros de investigación, incluyendo los servicios de MPW.
23 Junio 2016
♦ Seminario IMSE-Forum
Seminario introductorio al Programa Europeo de Investigación e Innovación Horizonte 2020.
Melania Rivers Rodríguez. Gerente del IMSE.
10 Junio 2016
♦ Presentación de libros de divulgación científica
Acto de presentación de los libros "Del electrón al chip" de Gloria Huertas, Luisa Huertas y José Luis Huertas y "La Nanotecnología: explorando un cosmos en miniatura" de Antonio José Acosta.
Casa de la Ciencia del CSIC en Sevilla.
19 Mayo 2016
¿Qué hacemos en el Instituto de Microelectrónica de Sevilla?
Santiago Sánchez Solano. Director del IMSE.

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Últimas publicaciones
Image Sensing Scheme Enabling Fully-Programmable Light Adaptation and Tone Mapping with a Single Exposure  »
This letter presents new insights into a high dynamic range (HDR) technique recently reported. We demonstrate that two intertwined photodiodes per pixel can perform tone mapping under unconstrained illumination conditions with a single exposure. Experimental results attained from a prototype chip confirm the proposed theoretical framework. It opens the door to the realization of imagers providing HDR images free of artifacts without requiring any digital post-processing at all.

Journal Paper - IEEE Sensors Journal, vol. 16, no. 13, pp. 5121-5122, 2016 IEEE
DOI: 10.1109/JSEN.2016.2559158    ISSN: 1530-437X    » doi
J. Fernández-Berni, F.D.V.R. Oliveira, R. Carmona-Galán and A. Rodríguez-Vázquez
Reliability simulation for analog ICs: Goals, solutions, and challenges  »
The need for new tools and simulation methodologies to evaluate the impact of all reliability effects in ICs is a critical challenge for the electronic industry. Issues due to process-related variations (also known as spatial variability) are well-known and off-the-shelf simulation methods are available. On the other hand, models and simulation methods for the aging-related problems, which are becoming more important with each technology node, are far less mature, specially for analog ICs. In this sense, transistor wear-out phenomena such as Bias Temperature Instability (BTI) and Hot Carriers Injection (HCI) cause a time-dependent variability that occurs together with the spatial variability. A fundamental missing piece in the design flow is an efficient and accurate simulation methodology for IC reliability. To this goal, several challenges should be addressed properly: the essential nature of the stochastic behavior of aging (and thus resorting to stochastic models rather than deterministic ones), the correlation between spatial and aging-related variability, and relationship between biasing, stress and aging in analog ICs, among others. This paper discusses some of these challenges in detail.

Journal Paper - Integration, the VLSI Journal, Article in Press, first online, 2016 ELSEVIER
DOI: 10.1016/j.vlsi.2016.05.002    ISSN: 0167-9260    » doi
A. Toro-Frías, P. Martín-Lloret, J. Martin-Martinez, R. Castro-López, E. Roca, R. Rodriguez, M. Nafria and F.V. Fernández
Single-Exposure HDR Technique Based on Tunable Balance Between Local and Global Adaptation  »
This brief describes a high-dynamic-range technique that compresses wide ranges of illuminations into the available signal range with a single exposure. An online analysis of the image histogram provides the sensor with the necessary feedback to dynamically accommodate changing illumination conditions. This adaptation is accomplished by properly weighing the influence of local and global illuminations on each pixel response. The main advantages of this technique with respect to similar approaches previously reported are as follows: 1) standard active-pixel-sensor circuitry can be used to render the pixel values and 2) the resulting compressed image representation is ready either for readout or for early vision processing at the very focal plane without requiring any additional peripheral circuit block. Experimental results from a prototype smart image sensor achieving a dynamic range of 102 dB are presented.

Journal Paper - IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 63, no. 5, pp. 488-492, 2016 IEEE
DOI: 10.1109/TCSII.2015.2505263    ISSN: 1549-7747    » doi
J. Fernández-Berni, R. Carmona-Galán and A. Rodríguez-Vázquez
La Nanotecnología: explorando un cosmos en miniatura  »
Abstract not available

Book - Colección: Un paseo por el cosmos, 2016 RBA EDITORES

A.J. Acosta Jiménez
Circuit Realization of the Synchronization of Two Chaotic Oscillators with Optimized Maximum Lyapunov Exponent  »
The modeling, simulation and circuit realization of the synchronization of two optimized multi-scroll chaotic oscillators is described herein. The case of study is the master-slave synchronization of two multi-scroll chaotic oscillators generating four to seven scrolls, based on saturated function series. The maximum Lyapunov exponent (MLE) of the chaotic oscillator is optimized by applying meta-heuristics. We show the behavior on the synchronization for chaotic oscillators with low and high MLEs, while the synchronization is performed by generalized Hamiltonian forms and observer approach from nonlinear control theory. Numerical simulation results are given for the chaotic oscillators with and without optimized MLEs, and for their master-slave synchronization. Finally, we show the good agreement between theoretical results, SPICE simulations and the experimental results when the whole synchronized system is implemented with commercially available operational amplifiers.

Book Chapter - Advances in Chaos Theory and Intelligent Control. A.T. Azar, S. Vaidyanathan (Eds.), 2016 SPRINGER

ISBN: 978-3-319-30338-3    
V.H. Carbajal-Gómez, E. Tlelo-Cuautle and F.V. Fernández

Webs relacionadas con el IMSE
Parque Científico y Tecnológico Cartuja, Calle Américo Vespucio s/n, 41092, Sevilla. Teléfono: 954466666, Fax: 954466600
viernes, 01 de julio de 2016
Última actualización: 30.06.2016
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