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Publications associées (15)

Networks of Coupled VO2 Oscillators for Neuromorphic Computing

Elisabetta Corti

Neuromorphic computing is a wide research field aimed to the realization of brain-inspired hardware, apt to tackle computation of unstructured data more efficiently than currently done with standard computational units. Oscillatory neural networks are know ...

EPFL2021

Time-Delay Encoded Image Recognition in a Network of Resistively Coupled VO2 on Si Oscillators

Kirsten Emilie Moselund

Oscillatory neural networks based on insulator to metal transition of VO2 switches are implemented for image recognition. The VO2 oscillators are fabricated on silicon in a CMOS compatible process.A fullyconnected network of coupled oscillators is investig ...

Institute of Electrical and Electronics Engineers2020

Triboelectric‐TFT Flip‐Flop for Bistable Latching of Dielectric Elastomer Actuators

Danick Briand, Herbert Shea, Rubaiyet Iftekharul Haque, Ronan Julien Hinchet, Alexis Pierre Henri Marette, Xiaobin Ji

A high‐voltage flip‐flop combining two self‐powered soft sensors with a flexible high‐voltage thin film transistor (HVTFT) is reported, and is used to electrically latch dielectric elastomer actuators (DEAs) in zero and high‐strain states. Two touch‐actuat ...

2019

VO2 oscillators coupling for Neuromorphic Computation

Mihai Adrian Ionescu, Igor Stolichnov, Kirsten Emilie Moselund, Elisabetta Corti

New computation schemes inspired by biological processes can outperform standard von-Neumann architectures in dealing with complex and unstructured tasks. As a new approach, systems of frequency-locked, coupled oscillators are investigated using the phase ...

IEEE2019

Resistive Coupled VO2 Oscillators for Image Recognition

Mihai Adrian Ionescu, Igor Stolichnov, Kirsten Emilie Moselund, Elisabetta Corti

Oscillator networks are known for their interesting collective behavior such as frequency locking, phase locking, and synchronization. Compared to other artificial neural network implementations, timing rather than amplitude information is used for computa ...

IEEE2019

Programmable Constant-Force Multistable Mechanisms

Simon Nessim Henein, Mohamed Gamal Abdelrahman Ahmed Zanaty

Programmable multistable mechanisms exhibit stability behavior whereby the stiffness and the number of stable states can be controlled via programming inputs. In this paper, we report the zero stiffness behavior of a 2-degree of programming (DOP) T-combine ...

AMER SOC MECHANICAL ENGINEERS2018

Electrothermal actuation of vanadium dioxide for tunable capacitors and microwave filters with integrated microheaters

Mihai Adrian Ionescu, Andreas Schueler, Montserrat Fernandez-Bolanos Badia, Wolfgang Amadeus Vitale, Clara-Fausta Moldovan, Antonio Paone, Luca Petit

We report the fabrication, modeling and characterization of novel microwave tunable capacitors based on the metal-insulator transition (MIT) of Vanadium Dioxide (VO2) as a future replacement solution for microelectromechanical capacitive switches. We prese ...

Elsevier Science Sa2016

Reconfigurable electronics based on metal-insulator transition : steep-slope switches and high frequency functions enabled by Vanadium Dioxide

Wolfgang Amadeus Vitale

The vast majority of disruptive innovations in science and technology has been originated from the discovery of a new material or the way its properties have been exploited to create novel devices and systems. New advanced nanomaterials will have a lasting ...

EPFL2016

Tunable Capacitors and Microwave Filters Based on Vanadium Dioxide Metal-Insulator Transition

Mihai Adrian Ionescu, Josef Andreas Schuler, Montserrat Fernandez-Bolanos Badia, Wolfgang Amadeus Vitale, Clara-Fausta Moldovan, Antonio Paone

We report the fabrication, modeling and characterization of novel microwave tunable capacitors based on the metal-insulator transition (MIT) of Vanadium Dioxide (VO2). We present the advantages of VO2-based capacitors over alternative technologies for micr ...

2015

Implementation and Characterization of Dynamic Genetic Networks in Vitro

Henrike Marie Niederholtmeyer

Transcription and translation (TX-TL) can be performed in vitro, outside of cells, allowing the assembly and analysis of genetic networks. This approach to engineering biological networks in a less complex and more controllable environment could one day al ...

EPFL2015

Cmos compatible non-volatile latch and d-flip flop using resistive switching materials

Davide Sacchetto, Yusuf Leblebici, Tugba Demirci

A non-volatile latch circuitry, comprising a Re RAM cell configured to store a final value of the non-volatile latch circuitry; a data selection circuitry configured to connect or disconnect a data input to a plus voltage node and a minus voltage node of t ...

2014

Zipping dielectric elastomer actuators: characterization, design and modeling

Herbert Shea, Samuel Rosset, Luc Maffli

We report on miniature dielectric elastomer actuators (DEAs) operating in zipping mode with an analytical model that predicts their behavior. Electrostatic zipping is a well-known mechanism in silicon MEMS to obtain large deformations and forces at lower v ...

Iop Publishing Ltd2013

A Novel 1V, 24μW, ∑∆ Modulator Using Amplifier & Comparator Based Switched Capacitor Technique, with 10-kHz Bandwidth and 64dB SNDR

Pierre-André Farine, Steve Tanner, Shafqat Ali

A new technique, Amplifier and Comparator Based Switched Capacitor (ACBSC) for low voltage switched cap circuits, is presented. ACBSC combines the recently introduced CBSC (comparator based switched capacitor circuit) with an amplifier. The current sources ...

2010

Current Sensing Completion Detection for Subthreshold Asynchronous Circuits

Yusuf Leblebici, Eric Vittoz, Omer Can Akgun

In this paper a novel completion detection method for self-timed, asynchronous subthreshold circuits is presented. By employing the self-timed operation principle, substantial speed gains in the operation of the asynchronous pipelines can be realized. The ...

2007

Design of Completion Detection Circuits for Self-timed Systems Operating in Subthreshold Regime

Yusuf Leblebici, Eric Vittoz, Omer Can Akgun

In this paper implementation of a novel completion detection method for self-timed, asynchronous subthreshold circuits is presented. By employing the self-timed operation principle, substantial speed gains in the operation of the asynchronous pipelines can ...

2007