Patents Assigned to Institut Francais Des Sciences Et Technologies Des Transports De L'Amenagement Et Des Reseaux
-
Patent number: 11697707Abstract: Disclosed are conjugated polymers bearing chemical probes and the use thereof for the preparation of chemical sensors based on carbon nanotubes allowing the selective detection of analytes in water.Type: GrantFiled: April 10, 2018Date of Patent: July 11, 2023Assignees: ECOLE POLYTECHNIQUE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, INSTITUT FRANÇAIS DES SCIENCES ET TECHNOLOGIES DES TRANSPORTS DE L'AMENAGEMENT ET DES RESEAUX (IFSTTAR)Inventors: Gaël Zucchi, Bérengère Lebental, Loic Loisel, Sasikumar Ramachandran, Alfredo Flores Gutiérrez, Xinyang Wang, Mallesham Godumala, Laurence Bodelot
-
Patent number: 11173919Abstract: A control device for a vehicle for determining a comfort level of a driver, the control device being configured to: receive sensor output of a physiological sensor and a behavioral sensor, the physiological sensor measuring at least one physiological feature of the driver and the behavioral sensor measuring at least one behavioral feature of the driver, receive driving context information from a driving context detection unit, create a reference data set by recording the sensor output and the driving context information over a predetermined reference time period, determine a reference index for the comfort level of the driver based on the reference data set, and determine a comfort level index value of the driver, the index value being determined as a function of a current sensor output, current driving context information and the reference index. Further relates to a system and a method.Type: GrantFiled: July 20, 2016Date of Patent: November 16, 2021Assignees: TOYOTA MOTOR EUROPE, INSTITUT FRANCAIS DES SCIENCES ET TECHNOLOGIES DES TRANSPORTS, DE L'AMÉNAGEMENT ET DES RÉSEAUXInventors: Marleen De Weser, Hugo Loeches De La Fuente, Catherine Berthelon, Christophe Jallais, Alexandra Fort, Virginie Etienne
-
Patent number: 11000719Abstract: A process for immobilizing a mercury-containing waste, which comprises: —stabilizing the mercury of the waste by precipitating the mercury as mercury (II) sulfide; then —encapsulating the waste by cementation, the cementation comprising coating the waste in a cement paste obtained by mixing a composition comprising a powder of at least one binder chosen from hydraulic cements, alkali-activated cements and acid-activated cements, with an aqueous mixing solution, then hardening the cement paste; and which is characterized in that the precipitation of the mercury as mercury (II) sulfide is obtained by reacting the mercury with a thiosulfate in a basic aqueous medium, while stirring and in the presence of a sulfide of an alkali metal, the molar ratio of the thiosulfate to the mercury being at least equal to 1.Type: GrantFiled: June 29, 2017Date of Patent: May 11, 2021Assignees: ORANO DÉMANTÈLEMENT, INSTITUT FRANÇAIS DES SCIENCES ET TECHNOLOGIES DES TRANSPORTS, DE L'AMÉNAGEMENT ET DES RÉSEAUXInventors: Lavinia Stefan, Thierry Chaussadent, Nadia Dominique
-
Patent number: 10989612Abstract: An acquisition device includes a wall and a transducer constituted by a body on which electrodes are fastened spaced apart from one another. An electrical impedance of the transducer is variable as a function of deformation of the transducer. When looking in a direction perpendicular to a surface of the wall, at least two electrodes of the plurality of electrodes are spaced apart from each other. The transducer is incorporated under the surface of the wall.Type: GrantFiled: March 27, 2015Date of Patent: April 27, 2021Assignees: INSTITUT FRANCAIS DES SCIENCES ET TECHNOLOGIES DES TRANSPORT, DE L'AMENAGEMENT ET DES RESEAUX, CONSEJO SUPERIOR DE INVESTIGACIONES CIENTIFICAS, ECOLE POLYTECHNIQUEInventors: Berengere Lebental, Boutheina Ghaddab, Vincent Gaudefroy, Eduardo Ruiz-Hitzky, Pilar Aranda Gallego, Cristina Ruiz Garcia, Birger Hennings
-
Publication number: 20200345275Abstract: The invention relates to a method for automatic and continuous measurement of a sedation state of a patient in an intensive care unit. The method according to the invention comprises the following steps: providing signals representative of the condition of the patient, said signals comprising cardio-circulatory signals, signals representative of the respiratory activity and signals representative of the motor activity of the patient; and determining a global index representative of the sedation state of the patient.Type: ApplicationFiled: January 25, 2019Publication date: November 5, 2020Applicants: UNIVERSITE D'AIX-MARSEILLE (AMU), ASSISTANCE PUBLIQUE - HOPITAUX DE MARSEILLE (AP-HM), INSTITUT FRANCAIS DES SCIENCES ET TECHNOLOGIES DES TRANSPORTS DE L'AMENAGEMENT ET DES RESEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)Inventors: Harold Noble Ibouanga-Kipoutou, Salah Boussen, Kouider Nacer M'Sirdi, Pierre-Jean Arnoux, Nicolas Bruder, Michel Behr
-
Patent number: 10697807Abstract: A measurement system for performing measurement by Brillouin scattering analysis, the system comprising a laser emitter device (10) configured to emit an incident wave (?0) and a reference wave (?0??B), the incident wave presenting an incident frequency (?0) and the reference wave presenting a reference frequency (?0??B), the reference frequency (?0??B) being shifted from the incident frequency (?0) by a predetermined value (?B). The system is configured to: project the incident wave (?0) into the optical fiber (25); receive in return a backscattered wave (?0??S); generate a composite wave (?0-S, 0-B) combining the backscattered wave (?0??S) and the reference wave (S0??B); and determine at least one property relating to the fiber by analyzing a Brillouin spectrum of the composite wave (?0-S, 0-B). Advantageously, the incident wave and the reference wave come from a dual-frequency vertical-cavity surface-emitting laser source (12) forming part of the laser emitter device.Type: GrantFiled: September 21, 2016Date of Patent: June 30, 2020Assignees: INSTITUT FRANCAIS DES SCIENCES ET TECHNOLOGIES DES TRANSPORTS, DE L'AMENAGEMENT ET DES RESEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Aghiad Khadour, Jean-Louis Oudar
-
Publication number: 20190225229Abstract: A control device for a vehicle for determining a comfort level of a driver, the control device being configured to: receive sensor output of a physiological sensor and a behavioral sensor, the physiological sensor measuring at least one physiological feature of the driver and the behavioral sensor measuring at least one behavioral feature of the driver, receive driving context information from a driving context detection unit, create a reference data set by recording the sensor output and the driving context information over a predetermined reference time period, determine a reference index for the comfort level of the driver based on the reference data set, and determine a comfort level index value of the driver, the index value being determined as a function of a current sensor output, current driving context information and the reference index. Further relates to a system and a method.Type: ApplicationFiled: July 20, 2016Publication date: July 25, 2019Applicants: TOYOTA MOTOR EUROPE, INSTITUT FRANÇAIS DES SCIENCES ET TECHNOLOGIES DES TRANSPORTS, DE L' AMÉNAGEMENT ET DES RÉSEAUXInventors: Marleen DE WESER, Hugo LOECHES DE LA FUENTE, Catherine BERTHELON, Christophe JALLAIS, Alexandra FORT, Virginie ETIENNE
-
Publication number: 20190188498Abstract: The present invention relates to an image processing method for recognizing ground marking, comprising a step of receiving at least one image of the ground at the front and/or at the rear of the vehicle, characterised in that it comprises a step of calculating a digital image corresponding to a confidence map consisting of assigning, to each pixel of the acquired image, a value corresponding to the degree of confidence that said pixel belongs to an area of marking, then performing a marking detection step by minimising the function f of the following equation: -F is the regression function-x±corresponding to the x coordinate of the ith pixel crossed by the agent-y±corresponding to the y coordinate of the ith pixel crossed by the agent-w±corresponding to the grey value V± of the ith pixel crossed by the agent-B designates a function space, and-? designates the smoothing parameter which is a function of the type of road.Type: ApplicationFiled: May 11, 2017Publication date: June 20, 2019Applicant: Institut Français des Sciences et Technologies des Transports, de l'aménagement et des réseauxInventors: Marc REVILLOUD, Mohamed Cherif RAHAL, Dominique GRUYER
-
Patent number: 10158093Abstract: The invention relates to a method for manufacturing an electronic device, particularly a device including a flexible and/or low-cost substrate and/or carbon nanotubes, and also relates to electronic devices produced using said method.Type: GrantFiled: October 7, 2015Date of Patent: December 18, 2018Assignees: Ecole Polytechnique, Centre National de la Recherche Scientifique, Institut Francais des Sciences et Technologies des Transports de l'Amenagement et des ReseauxInventors: Costel-Sorin Cojocaru, Fatima Zahra Bouanis, Kitchner Max Garry Rose
-
Patent number: 10133834Abstract: The method for simulating wave propagation wherein: a) data representing a three-dimensional scene (14) are supplied; b) primary rays (Pij) emitted in different propagation directions are calculated; d) as a function of a point of reception (P), is calculated primary scattered rays (RdA, RdB), emitted by the surfaces of the objects present in the scene reached by a primary ray. The power transported by the scattered rays (Rd) is calculated as a function of the relative orientation between the primary incident ray that reaches the surface of the object in question and the normal to this surface. Simulator, computer program and recording medium for implementing the method.Type: GrantFiled: November 24, 2014Date of Patent: November 20, 2018Assignee: INSTITUT FRANCAIS DES SCIENCES ET TECHNOLOGIES DES TRANSPORTS, DE L'AMENAGEMENT ET DES RESEAUXInventors: Steve Pechberti, Dominique Gruyer
-
Patent number: 9970841Abstract: A method for monitoring a civil engineering construction including a first metal reinforcement and a reference conductor element. The first metal reinforcement and the reference conductor being separated by dielectric material and each having a first end that is electrically accessible. The method including injecting an incident electrical signal which is applied differentially between the first ends of the first reinforcement and of the reference conductor element collecting reflected signals returning along the conductors in return, and analyzing the reflected signals by comparing them against reference signals in order to determine any potential structural defect in the first reinforcement.Type: GrantFiled: December 18, 2013Date of Patent: May 15, 2018Assignees: SOLETANCHE FREYSSINET, INSTITUT FRANCAIS DES SCIENCES ET TECHNOLOGIES DES TRANSPORTS DE L'AMENAGEMENT ET DES RESEAUXInventors: Frédéric Taillade, Gilles Hovhanessian, Nicolas Freitag
-
Publication number: 20180059063Abstract: The invention relates to a method for detecting defects of at least one metal wire of a set of metal wires, in particular in a cable, the method including: a step of emitting a high-frequency ultrasound signal around a so-called specific frequency in the metal wire; a step of reflecting said ultrasound signal in the metal wire; and a step of receiving the reflected ultrasound signal. The emitted ultrasound signal enables the energisation of at least one high-frequency wave capable of propagating in a longitudinal direction of the metal wire and having a phase velocity that is slightly higher than a compression volume wave velocity in the metal from which the metal wire is made.Type: ApplicationFiled: March 24, 2016Publication date: March 1, 2018Applicant: INSTITUT FRANCAIS DES SCIENCES ET TECHNOLOGIES DES TRANSPORTS, DE L'AMENAGEMENT ET DES RESEAUXInventors: Laurent LAGUERRE, Olivier DURAND, Remi COLIN
-
Patent number: 9322812Abstract: The invention relates to a method for simultaneously analyzing at least two samples using a chromatography device comprising a chromatography column having an inlet and an outlet, and at least one detector placed at the outlet of the chromatography column, the method comprising steps of: injecting fractions of each independent sample at the inlet of the chromatography column, the fractions of each independent sample being injected according to a specific injection timing sequence derived from a pseudo-random binary sequence associated with said independent sample; recording a signal generated by said detector for a period of time at least equal to a duration of the longest of the specific injection timing sequences; cross-correlating the recorded signal and a derived correlation function, said derived correlation function being derived from the pseudo-random binary sequence associated with one of the independent samples, so as to obtain an individual correlogram signal specific to said independent sample; andType: GrantFiled: January 17, 2014Date of Patent: April 26, 2016Assignees: Institut Francais des Sciences et Technologies des Transports, De L'Amenagement et des Reseaux (IFSTTAR), Chambre de Commerce et D'Industrie de Region Paris Ile de France (ESIEE Paris)Inventors: Dan Angelescu, William Cesar, Tarik Bourouina
-
Patent number: 9243966Abstract: The present invention relates to a pressure sensor for measuring the pressures experienced by an anthropomorphic dummy in an abdominal or thoracic section of the trunk of said dummy. This sensor comprises at least two fluid-tight flexible pressure-measurement chambers (4) arranged in the abdominal or thoracic section of the trunk of said dummy on each side of a sagittal median plane of said abdominal or thoracic section, said pressure-measurement chambers (4) being filled with an incompressible fluid and each comprising at least one pressure-measurement cell (5) able at output thereof to deliver an electric signal indicative of the pressure of said fluid in said pressure-measurement chambers.Type: GrantFiled: October 12, 2012Date of Patent: January 26, 2016Assignee: INSTITUT FRANCAIS DES SCIENCES ET TECHNOLOGIES DES TRANSPORTS, DE L'AMENAGEMENT ET DES RESEAUXInventors: Philippe Beillas, Francois Alonzo
-
Patent number: 9171216Abstract: A method of detecting the presence of an element (fog, rain, etc. . . . ) disturbing the visibility of a scene illuminated by a headlight (105, 107) at night. The method comprises: a) acquiring an image of the scene with the help of a camera (120); b1) detecting the light sources in the image; b2) detecting the presence of the disturbing element as a function of the halo (H) appearing in the image in the vicinity of the light sources; c) detecting the presence of the disturbing element in the image as a function of the backscattering of the light emitted by the light sources; and d) weighting the results of the detections performed in steps b2) and c) in such a manner as to output an indication concerning the presence of the element disturbing the visibility of the scene. The method provides satisfactory results in an environment with or without lighting. The invention also provides a computer program and a device for implementing the method.Type: GrantFiled: September 28, 2011Date of Patent: October 27, 2015Assignee: INSTITUT FRANCAIS DES SCIENCES ET TECHNOLOGIES DES TRANSPORTS, DE L'AMENAGEMENT ET DES RESEAUXInventors: Romain Gallen, Aurélien Cord, Nicolas Hautiere, Didier Aubert
-
Publication number: 20150204825Abstract: The invention relates to a method for simultaneously analyzing at least two samples using a chromatography device comprising a chromatography column having an inlet and an outlet, and at least one detector placed at the outlet of the chromatography column, the method comprising steps of: injecting fractions of each independent sample at the inlet of the chromatography column, the fractions of each independent sample being injected according to a specific injection timing sequence derived from a pseudo-random binary sequence associated with said independent sample; recording a signal generated by said detector for a period of time at least equal to a duration of the longest of the specific injection timing sequences; cross-correlating the recorded signal and a derived correlation function, said derived correlation function being derived from the pseudo-random binary sequence associated with one of the independent samples, so as to obtain an individual correlogram signal specific to said independent sample; andType: ApplicationFiled: January 17, 2014Publication date: July 23, 2015Applicants: Institut Francais des Sciences et Technologies des Transports, De L'Amenagement et des Reseaux (IFST, Chambre de Commerce et D'Industrie de Region Paris lle de France (ESIEE Paris)Inventors: Dan Angelescu, William Cesar, Tarik Bourouina
-
Patent number: 9058643Abstract: Devices and methods for detecting of drops on a transparent wall through which digital image is acquired by means of an image acquisition system. The method includes establishing a gradient image from the digital image by assigning to each pixel the value of the gradient for the pixel; filtering the gradient image by assigning to each pixel a value obtained by rank filtering; and establishing a mask representing the position of the detected drops in the digital image by activating the pixels for which the difference between the value of the pixel in the filtered image and the value of the pixel in the gradient image exceeds a predetermined value.Type: GrantFiled: February 8, 2011Date of Patent: June 16, 2015Assignee: INSTITUT FRANCAIS DES SCIENCES ET TECHNOLOGIES DES TRANSPORTS DE L'AMENAGEMENT ET DES RESEAUXInventors: Aurelien Cord, Didier Aubert
-
Patent number: 8990027Abstract: The invention relates to a method for monitoring the state of a foundation supporting a building (I) and embedded in the ground, consisting of using a plurality of sensors (4, 5) arranged on the building to acquire a set of measurements (mi1, mi2) relating to the foundation and/or to the building according to a predetermined acquisition mode; calculating, from said set of measurements, a set of condition indicators (iJ1,iJ2) characteristic of an embedding rigidity of the foundation; and making a comparison between a set of values derived from the set of calculated condition indicators and a set of thresholds.Type: GrantFiled: January 29, 2010Date of Patent: March 24, 2015Assignees: Soletanche Freyssinet, Institut Francais des Sciences et Technologies des Transports, De L'Amenagement et des ReseauxInventors: Gilles Hovhanessian, Frédéric Bourquin
-
Patent number: 8444763Abstract: The present invention relates to a novel type of noncorrosive geopolymer cement in which said cement comprises a metakaolin or a mixture of metakaolin and non-thermally activated aluminosilicate, in a weight ratio comprised between about 40:60 and about 80:20, and an alkaline silicate solution having a molar ratio M2O:SiO2 comprised between about 0.51 and 0.60, M representing Na or K, and to the use of a superplasticizer comprising a crosslinked acrylic acid polymer in the manufacture of geopolymer cement.Type: GrantFiled: August 20, 2010Date of Patent: May 21, 2013Assignee: Institut Francais des Sciences et Technologies des Transports, de l'Amenagement et des ReseauxInventor: Hieu Thao Huynh
-
Publication number: 20120192765Abstract: The present invention relates to a novel type of noncorrosive geopolymer cement in which said cement comprises a metakaolin or a mixture of metakaolin and non-thermally activated aluminosilicate, in a weight ratio comprised between about 40:60 and about 80:20, and an alkaline silicate solution having a molar ratio M2O:SiO2 comprised between about 0.51 and 0.60, M representing Na or K, and to the use of a superplasticizer comprising a crosslinked acrylic acid polymer in the manufacture of geopolymer cement.Type: ApplicationFiled: August 20, 2010Publication date: August 2, 2012Applicant: Institut Francais Des Sciences Et Technologies Des Transports De L'Amenagement Et Des ReseauxInventor: Hieu Thao Huynh