Thales

Marc Gatti

Christian Pitot

Gerard Nemoz

Bruno Bellin

David Jose Faura

Martin Rayrole

Olivier Guerineau

Franck Cazaurang

Guillaume Terrasson

Bruno Bluteau

Didier Regis

Romain Martin

Renaud Briand

Damien Jugie

Alexandre Bobrinskoy

Sebastien Thomas

The present invention relates to a system for acquisition of at least one physical variable, in particular for a critical on-board avionics system, comprising a sensor for measuring the physical variable; an acquisition channel receiving an analog signal corresponding to the physical variable measured by the sensor and transforming this analog signal into a corresponding digital signal, at least some of these transformations being able to be carried out with loss of accuracy; self-test unit for checking the integrity of the acquisition channel and generating a self-test result. The system further comprises an analyzer analyzing the self-test result in order to determine an operating mode of the acquisition channel, and for activating the operation of means for correcting the signal delivered by the channel.

System for acquisition of at least one physical variable, in particular for a critical on-board avionics system, and associated acquisition method

A critical system comprises a control pathway comprising an actuation unit having a nonlinear behavior, that is able to be controlled by applying an input quantity and whose state is characterized by an output quantity. The behavior of the actuation unit being described by a flat nonlinear model, wherein the system comprises an estimation unit comprising a dynamic inversion linearization module calculating from the measured output quantity, the input quantity of the equivalent linear model; an estimation module estimating a flat output quantity from the input quantity of the equivalent linear model; and a computing module computing a residual based on the estimated flat output quantity and a measured flat output quantity, corresponding to the measured output quantity.

Critical system and associated monitoring method

According to this method, an electromagnetic spectrum emitted by the electronic component during operation is measured and the measured electromagnetic spectrum is compared with a predetermined template defining at least one safe operating range in order to detect possible malfunction or risk of malfunction of the electronic component.

Method for predictively controlling the operation of an electronic component, electronic equipment and control device

The operational reliability of a heat pipeprovided for carrying heat dissipated by an electronic componentto a heat exchangeris tested by using the heat pipe in the reverse direction, by providing energy in the form of heat at the exchanger, and by measuring the propagation time &#x394;P of the heat from the exchanger to the electronic component. Application to heat pipe tests in onboard computers.

Method for testing a heat pipe and corresponding test device

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Pessac, France

Marc Gatti